Profession: laboratory assistant for physical and mechanical tests. Laboratory assistant for physical and mechanical tests Laboratory assistant for physical and mechanical tests

Examination tickets comply with the Order of the Ministry of Education and Science of Russia dated 02.08.2013 N 915 "On approval of the federal state educational standard of secondary vocational education by profession 240100.01 Laboratory assistant for physical and mechanical tests" (Registered at the Ministry of Justice of Russia 08.20.2013 N 29491)

Examination tickets Laboratory assistant for physical and mechanical tests, contain links in the regulatory and technical literature on the correct answers, which allows you to quickly and efficiently prepare for certification

IV. CHARACTERISTIC OF PROFESSIONAL

GRADUATES 'ACTIVITIES

4.1. The area of ​​professional activity of graduates: physical and mechanical testing of raw materials, materials, semi-finished products and finished products in various sectors of the economy.

4.2. The objects of professional activity of graduates are:

raw materials and supplies;

finished products and semi-finished products;

laboratory equipment;

instruments and test benches;

regulatory and technical documentation.

4.3. Trainee by profession 240100.01 Laboratory assistant for physical and mechanical tests prepares for the following activities:

4.3.1. Sample preparation for testing.

4.3.2. Preparation of equipment for physical and mechanical tests.

4.3.3. Performing physical and mechanical tests on laboratory equipment.

4.3.4. Compliance with the rules and techniques of safety, industrial sanitation and fire safety.

5.2. A graduate who has mastered the PPCDS must have professional competencies corresponding to the types of activities:

5.2.1. Sample preparation for testing.

PC 1.1. Make prototypes in the laboratory.

PC 1.2. Determine the compliance of the parameters of the tested samples with GOST and TU.

5.2.2. Preparation of equipment for physical and mechanical tests.

PC 2.1. Check laboratory equipment.

PC 2.2. Carry out simple adjustments to laboratory equipment.

PC 2.3. Perform equipment adjustment work.

5.2.3. Performing physical and mechanical tests on laboratory equipment.

PC 3.1. Start and stop laboratory equipment.

PC 3.2. Observe the operation of the equipment during the testing process.

PC 3.3. Take readings from devices.

PC 3.4. Perform calculations and graphic work related to ongoing tests.

PC 3.5. Draw up reports on the work done.

5.2.4. Compliance with the rules and techniques of safety, industrial sanitation and fire safety.

PC 4.1. Possess safety techniques during testing.

PC 4.2. Use primary fire extinguishing equipment.

PC 4.3. Provide first aid to the victim.

Course Topics:

Topic 1 General professional training cycle

As a result of studying the compulsory part of the educational cycle, a student in general professional disciplines must:

monitor the implementation of grounding, grounding;

start and stop electric motors installed on the operated equipment;

take readings of work and use electrical equipment in compliance with safety standards and operating rules;

basic concepts of direct and alternating electric current, series and parallel connection of conductors and current sources, units of measurement of current strength, voltage, power of electric current, resistance of conductors, electric and magnetic fields;

the essence and methods of measuring electrical quantities, design and technical characteristics of measuring instruments;

basic laws of electrical engineering;

rules for graphic representation and drawing up electrical diagrams;

symbols for electrical devices and electrical machines;

main elements of electrical networks;

principles of operation, device, main characteristics of electrical measuring instruments, electrical machines, control and protection equipment, power supply circuits;

DC and AC motors, their structure, principle of operation, rules for starting, stopping;

safety rules when working with electrical devices OP.01.

Topic 2 Technical drawing

general information about assembly drawings, the purpose of conventions and simplifications used in drawings, rules for the design and reading of working drawings;

basic provisions of design, technological and other regulatory documentation;

geometric constructions and rules for drawing technical details, methods of graphical presentation of technological equipment and execution of technological schemes;

requirements of ESKD and ESTD standards for the design and preparation of drawings and diagrams

Topic 3 Fundamentals of materials science and technology of general metalwork

determine the properties and classify materials used in production by composition, purpose and method of preparation;

select basic structural materials with similar coefficients of thermal expansion;

perform general locksmith work: marking, cutting, straightening, bending, cutting, filing, scraping metal, drilling, countersinking and reaming holes, riveting, soldering, tinning and gluing, threading;

use tools and instrumentation when performing plumbing work;

basic information about the purpose and properties of metals and alloys, about the technology of their production;

main types, properties and fields of application of structural metallic and non-metallic materials used in production;

structural features of metals and alloys;

types of gasket and sealing materials;

classification and properties of metals and alloys, basic protective materials, composite materials;

types of mechanical, chemical and thermal processing of metals and alloys;

methods for measuring parameters and determining the properties of materials;

basic information about crystallization and structure of melts;

basic properties of polymers and their use; methods of heat treatment and protection of metals from corrosion;

types of locksmith work and technology for their implementation;

device, purpose, rules for the selection and use of tools and instrumentation used when performing plumbing work;

requirements for the quality of parts processing;

types of wear of parts and assemblies;

properties of lubricants

Topic 4 Fundamentals of technical mechanics

method for calculating structural elements for strength, stiffness and stability for various types of deformation OP.04.

assemble structures from parts according to drawings and diagrams;

determine stresses in structural elements;

types of wear and deformation of parts and assemblies;

types of lubricants, requirements for the properties of oils used to lubricate units and parts, rules for storing lubricants;

kinematics of mechanisms, connections of machine parts, mechanical transmissions, types and arrangement of transmissions;

purpose and classification of bearings;

main types of lubrication devices;

types, purpose, arrangement of reducers;

friction, its types, the role of friction in technology;

device and purpose of tools and instrumentation used in the maintenance and repair of equipment;

methodology for calculating structural elements for strength, stiffness and stability for various types of deformation

Topic 5 Occupational safety

use means of individual and group protection;

apply safe working practices on the territory of the enterprise and in production facilities;

use eco-bio-protective and fire-fighting equipment;

identify and analyze traumatic and harmful factors in the field of professional activity;

types and rules for conducting briefings on labor protection;

possible dangerous and harmful factors and means of protection;

the effect of toxic substances on the human body;

measures to prevent fires and explosions;

normative documents on labor protection and health, the basics of occupational hygiene, occupational health and fire safety;

general safety requirements on the territory of the enterprise and in production facilities;

the main causes of fires and explosions;

legal and organizational foundations of labor protection at the enterprise, a system of measures for the safe operation of hazardous production facilities and reducing harmful effects on the environment, preventive measures for safety and industrial sanitation;

the rights and obligations of employees in the field of labor protection;

the principles of predicting the development of events and assessing the consequences of man-made emergencies and natural phenomena;

means and methods of increasing the safety of technical means and technological processes

Topic 6 Life safety

organize and carry out measures to protect workers and the population from the negative effects of emergencies;

take preventive measures to reduce the level of dangers of various types and their consequences in professional activities and everyday life;

use means of individual and collective protection against weapons of mass destruction; use primary fire extinguishing means;

navigate the list of military registration specialties and independently determine among them those related to the received profession;

apply professional knowledge in the course of performing military service duties in military positions in accordance with the profession received;

own methods of conflict-free communication and self-regulation in daily activities and extreme conditions of military service;

provide first aid to victims;

principles of ensuring the stability of economic facilities, predicting the development of events and assessing the consequences of man-made emergencies and natural phenomena, including in the context of countering terrorism as a serious threat to the national security of Russia;

the main types of potential hazards and their consequences in professional activity and everyday life, principles of reducing the likelihood of their realization;

the basics of military service and state defense;

tasks and main activities of civil defense;

ways to protect the population from weapons of mass destruction; fire safety measures and rules of safe conduct in case of fires;

the organization and procedure for conscription of citizens to military service and admission to it on a voluntary basis;

the main types of weapons, military equipment and special equipment that are in service (equipping) military units, which have military registration specialties, akin to the professions of open source software;

the field of application of the acquired professional knowledge in the performance of military service duties;

procedure and rules for providing first aid to victims

Topic 7 Technique of preparation of samples for physical and mechanical tests

Sample preparation for testing

have practical experience:

production of prototypes in laboratory conditions;

determination of compliance of the parameters of the tested samples with GOST and TU;

prepare samples from various materials for testing;

draw up documentation for selected samples;

own technical documentation;

make corrections for the geometric dimensions of the samples;

to carry out degreasing of samples;

draw up a protocol for making changes;

composition, properties, types and purpose of samples to be tested;

the procedure for the selection and registration of samples;

methodology for preparing samples for testing;

state standards and specifications for samples of materials and products;

rules for making corrections for the geometric dimensions of samples;

methods for degreasing samples;

plumbing technology;

basic concepts of tolerances and technical measurements;

rules for reading drawings;

methodology for drawing up a protocol for non-compliance of the sample with the requirements of GOST and making changes

Topic 8 Technique of preparation of laboratory equipment for physical and mechanical tests

Preparation of equipment for physical and mechanical tests

As a result of studying the professional module, the student must:

have practical experience:

verification of laboratory equipment;

simple adjustment of laboratory equipment;

performance of work on equipment adjustment;

monitor the condition of laboratory equipment;

prepare equipment for carrying out physical and mechanical tests;

carry out simple equipment adjustments;

check laboratory equipment;

observe the operation of the equipment in the process of testing;

make adjustments when equipment malfunctions are detected;

equipment for carrying out physical and mechanical tests, classification, purpose, device, principle of operation;

the sequence of preparation and rules for controlling equipment for conducting physical and mechanical tests;

possible malfunctions in equipment, methods and means of their identification and elimination;

instrumentation used in the preparation of equipment, their types, purpose, measurement methods

Topic 9 Technology for performing physical and mechanical tests

Performing physical and mechanical tests on laboratory equipment

As a result of studying the professional module, the student must:

have practical experience:

start-up and shutdown of laboratory equipment;

monitoring the operation of equipment in the process of testing;

taking readings from devices;

performing calculations and graphic works related to ongoing tests;

registration of reports on the work done;

take readings from devices;

keep working journals;

to process and formalize the results of tests and measurements;

perform computational and graphic work related to ongoing tests;

prepare technical documentation;

purpose and main characteristics of devices;

designation on scales and methods for determining the division value;

methods and means of processing, systematization and registration of test and measurement results;

methods and means of performing technical calculations, computational and graphic works;

classification of errors;

errors of indirect measurements and installation;

methods of error prevention;

current state standards and technical conditions for the developed documentation, its form, content and procedure for implementation

Topic 10 Safety regulations, industrial sanitation and fire safety

Compliance with the rules and practices of safety, industrial sanitation and fire safety

As a result of studying the professional module, the student must:

have practical experience:

possession of safety techniques during testing;

use of primary fire extinguishing equipment;

first aid to the victim;

ensure the fulfillment of sanitary and hygienic requirements, norms and rules for labor protection;

handle primary protection and fire extinguishing equipment;

safety and labor protection requirements at the enterprise;

basics of occupational hygiene and industrial sanitation;

norms, rules of electrical safety;

measures, fire extinguishing means;

environmental protection measures

The profession of a laboratory assistant for physical and mechanical tests today is quite popular and promising. New modern laboratories are being opened, with the latest equipment, which requires qualified personnel for research and work. An important condition is the availability of professional education. The heads of enterprises are required to regularly send employees to special preparatory courses for training in working with new equipment and improving the qualifications of personnel.

The Interregional Training Center guarantees high-quality training and retraining of specialists in the profession of laboratory assistant for physical and mechanical tests. All modern, proven training programs and materials are used for training.

The purpose of the training is to train or retrain specialists, to acquire new theoretical knowledge and practical skills in working with modern laboratory equipment. The training course provides for a large number of practical lessons, consultations to gain in-depth knowledge. The teaching staff closely monitors changes in legislation and promptly responds to them with changes in the curriculum. Thus, guaranteeing a high-quality level of training, taking into account the specifics and direction of activity.

Distance learning is possible, without interrupting the main activity. To sign up for courses, leave a request on our website.

Our advantages:

• Five years of successful work of the training center guarantee a professional approach and a high-quality training program;
• Vocational training license issued by the Moscow Department of Education;
• Experienced teaching staff;
• Specially equipped class for practical training;
• Quality knowledge is guaranteed at affordable prices.

Studying time:

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Official edition

AGREED Directorate of personnel policy of the Ministry of Economy of the Russian Federation

APPROVED Deputy Minister of Education of the Russian Federation

STANDARD OF THE RUSSIAN FEDERATION EDUCATION

Physiological and hygienic foundations of the labor process.

The main provisions of the Legislation on labor protection.

Safety rules in the company and in workshops.

Analyzes the economic information necessary for orientation in their professional activities.

Industry and enterprise economics.

SPECIAL PARAMETERS

Determines the compliance of the tested samples (raw materials, materials, semi-finished products and finished products) with GOST and TU.

Amends for

Types, purpose and properties of materials to be tested, raw materials, semi-finished products and finished products.

State standards and

5. SPECIFIC REQUIREMENTS

Age - at least 16 years old. Gender - not regulated.

Medical restrictions are regulated by the List of Contraindications of the Ministry of Health of the Russian Federation.

learning

1. Industry block

1.1. Materials Science

1.4. Technical mechanics

2. General professional unit

2.1. Locksmith work

Tolerances and technical measurements

Types of errors. Interchangeability and its types. Views
landings. Tolerance and fit systems. Designation in the drawings of the fields of tolerances and landings. Qualities and parameters of surface roughness in accordance with GOST.

2.2.2. Classification, purpose and basic characteristics

measuring instruments and devices. Measurement errors. Means for measuring linear and angular dimensions (2). Measurement technique (2). Means for measuring surface roughness (2) and methods for its elimination (2). Calibers and their main types.

2.3. Hygiene and labor protection

2.3.1. Physiological and hygienic foundations of the labor process at workplaces and in laboratories. Hygienic requirements for a laboratory assistant (2). Sanitary inspection authorities.

2.3.2. The main provisions of the Legislation on labor protection. Labor protection of women and adolescents.

2.3.3. Occupational safety requirements at workplaces, laboratories (2).

2.3.4. Norms, rules of electrical safety (2). Measures, means of protection against electric shock (2).

2.3.5. Fire safety; causes of fires; fire prevention measures. Fire-extinguishing measures (2).

2.3.6. First aid in case of accidents (bruises, cuts, burns, poisoning, electric shock) (2).

3. Professional unit

3.1.2. Volume, weight and density (2): definition, units of measurement. Bulk density, true, average and bulk density (2): definition, units of measurement, methods of measurement.

3.1.6. Concepts: about water-, air-tightness of solid materials (2). Methods for their measurement (2). Methods for reducing water to - and airtightness of materials (2). The concept of waterproof and airtight materials.

Method for determining the thermal coefficient of linear expansion and critical points on dilatometers.

3.1.15. Photo materials. Developers. Fasteners. Recipes for

drawing up. Films. Photo paper. Classification and technical characteristics of photographic film and photographic paper. Negative process. Positive process. The nature of the negative and positive process. Technique for making negatives, transparencies and photographs (2).

3.2. Equipment and methods for testing materials and products

3.2.1. Measures with a constant value of the measured quantities (weights, calibers, reference resistances, etc.) and with a variable value (measuring rulers, calipers, micrometers, voltmeters, etc.) (2): classification, purpose, device. Measurement methods (2).

3.2.2. Instrumentation: classification (by the nature of the measured quantities, by the nature of the readings, by the form of presentation of the readings, by the principle of operation, by location, by the working conditions, by the dimensions, the limits of the measured values ​​and the accuracy class).

3.2.3. The main elements of instrumentation (2): purpose, device, principle of action, brief description.

3.2.4. The main characteristics of instrumentation (range of measured values, measurement accuracy, speed, sensitivity threshold, metrological reliability) (2).

Devices with a photoelectric converter for determining the roughness of samples (2): their device and methods of measurement.

3.2.6. Devices for determining the volume of solids of irregular geometric shape \ bulk and liquid materials (beakers, measuring cups, Le Chatelier volumetric meter) (2): purpose, device and methods of measurement.

3.2.7. Devices for determining the weight of solid, bulk, liquid and gaseous materials (2): varieties, purpose, device, principle of operation. Installation for determining the weight of solid materials immersed in water (2): purpose, device and action. Weighing technique (2).

3.2.8. Installations for the separation of the density of solid materials and for determining the true, average and bulk density of bulk materials (2): block diagrams of installations, their constituent elements. Methods for determining the density of materials.

3.2.9. Installations for determining the density of liquid materials and for measuring the density of a gaseous medium with ionization converters (2): structural diagrams, their constituent elements. Methods for determining the density of materials at each of the installations (2).

3.2.10. Instruments for measuring the density of liquid materials (hydrometers) (2): device, principle of operation and methods of measurement.

3.2.11. Instruments for measuring the viscosity of liquid materials (viscometers) (2): classification, purpose and device. Methods for measuring the viscosity of liquid materials by viscometers of different systems (2).

3.2.12. Installations for determining the viscosity of drying oil and for determining the relative viscosity of a liquid (2): block diagrams of the installation and their constituent elements. Method for determining the viscosity of liquid materials at each of the installations (2).

3.2.13. Equipment for determining the bulk density, fineness of grinding and specific surface area of ​​bulk materials: types, purpose, device, principle of operation. Method for determining bulk density, fineness of grinding and specific surface area (2).

3.2.14. Installations for testing materials for setting time, uniformity of volume change, percentage of shrinkage, bonding of cementitious mixtures (2): structural diagrams, main and auxiliary equipment, its varieties, purpose, device.

3.2.15. Temperature measuring devices (2): classification (expansion thermometers, thermoelectric thermometers, resistance thermometers, pyrometers), purpose, device, principle of operation and installation. Temperature measurement technique (2).

3.2.16. Equipment for creating and maintaining a certain temperature (thermostats, refrigerating chambers and cryochambers) (2): purpose and device. Fluids used as heaters (coolers) (2). Electric ovens and thermostats (2): device and operation. Thermometers for measuring low and high temperatures using thermocouples (2).

3.2.17. Instruments for measuring thermal expansion of solid, liquid and gaseous materials (dilatometers) (spring, quartz, special) (2): purpose and device. Method for determining the thermal coefficient of linear expansion (2) and critical temperature points of materials on dilatometers (2).

3.2.18. Installation for testing solid materials for heat resistance and thermal expansion (compression) (2): block diagram and its constituent elements. Methods for regulating the uniformity of heating the sample along the length (2). Indirect temperature measurement using thermocouples and relative deformation using strain gauge transducers (2): installation of thermocouples and strain gauges. Temperature measurement and cold junction correction. Method for determining thermal expansion (compression) of solid materials and their heat resistance (2).

3.2.19. Pressure measuring devices (2). Classification, purpose, device and principle of operation. Installation and maintenance of the device (2). Pressure measurement rules (2).

3.2.20. Vacuum meters (liquid, mechanical, thermal, ionization, radioisotope) (2): purpose, device, principle of operation. Installation and maintenance of devices. Low pressure measurement rules (2).

3.2.21. Equipment for creating and maintaining a certain pressure (pressure chambers) (2): purpose and device. The main units of vacuum systems (foreline and diffusion pumps, fittings, leak detectors, pressure measuring instruments) (2): purpose, design and maintenance. Pumps for creating high pressures in the pressure chamber (2): design, operation and maintenance. Means for measuring high pressures (2): their types, placement and maintenance.

3.2.22. Electrical measuring devices (2): classification, purpose, device and principle of operation, designation in the diagrams. Methods for connecting devices to an electrical circuit (2). Scale designations (2). Methods for determining the division price (2). Connecting devices to the electrical circuit and reading their readings (2).

3.2.23. The use of electrical measuring instruments for measuring non-electrical quantities (2). General understanding of ratiometers.

3.2.24. Installations for determining the resistivity of conductors by current-voltage and bridge methods (2): electrical circuits and their components. Methodology for calculating the resistivity of a conductor by its size and instrument readings (2).

3.2.25. Installation for determining the dependence of the electrical resistance of a conductor on temperature (2): electrical diagram.

Installation equipment (2): purpose, device, principle of operation.

3.2.26. Installations for determining the resistivity of dielectrics at high temperatures in vacuum and argon atmosphere (2): structural and electrical diagrams of installations and their constituent elements.

3.2.27. Ballistic installation for determining the magnetic permeability of materials (2): device and principle of operation. The procedure for testing material for magnetic permeability (2) and the method for its calculation (2).

3.2.28. Devices for measuring the moisture content of solid and bulk materials (2): classification, design, operation and operation. Technique for measuring the moisture content of solid materials (2).

3.2.29. Fisher for the quantitative assessment of the moisture content of liquid dielectrics (2): device and operation. Electrohydrometers for determining the moisture content of liquid materials (2): purpose, principle of operation and device. Measurement of moisture content of liquid materials using K. Fischer's installation and electro-moisture meters (2).

3.2.30. Devices for determining the absolute and relative humidity of air (2): purpose, device and principle of operation. Air humidity measurement (2).

3.2.31. Equipment used in the process of mechanical testing of materials and products for tension and compression (crushing) (2): varieties, purpose, device, principle of operation.

3.2.32. Devices for measuring relative deformations, efforts, analyzers of deformations and loads (2): device and principle of operation.

3.2.33. Devices for testing materials for extrusion (pressing) of products (2): device and action.

3.2.34. Method for determining the modulus of longitudinal elasticity by the radio engineering method (2). A method for determining the limits of proportionality, elasticity, yield and strength from the tensile diagrams of plastic and brittle materials (2).

3.2.35. Equipment used in the process of mechanical testing of materials and products for shear (shearing, shearing) (tensile and universal machines, presses, fixtures) (2): device and principle of operation.

3.2.36. Electronic device with a strain-gauge transducer for measuring the shear angle (2): device and operation. Technique for determining the shear modulus by the radio engineering method (2).

3.2.37. Methods for testing materials for strength under shear shear and shear deformation (2).

3.2.38. Equipment for mechanical testing of materials and products for bending (2): types, device and principle of operation.

3.2.39. Instruments for measuring bending moments, applied forces, linear and angular displacements (2): device, operation and measurement methods.

3.2.40. Test procedure for deformation, stiffness and strength of materials and products in bending (2).

3.2.41. Equipment for mechanical testing of materials and products by torsion (2): type, device and action.

3.2.42. Instruments for determining the angles of twisting, shear modulus, limits of proportionality, elasticity, yield, strength, recording the deformation curve of the sample in the coordinates "Torque - twist angle" (2): device, action and methods of measurement.

3.2.43. A technique for carrying out mechanical tests for deformation, rigidity and strength of materials and products under torsion (2).

3.2.44. Installations for mechanical testing of materials and products under the action of dynamic loads (2): varieties, purpose, device, action.

3.2.45. Pendulum impact devices and installations for mechanical testing of materials and products for impact strength (2): their varieties, purpose, device and action.

3.2.46. Methodology for testing materials and products for impact strength (2).

3.2.47. Devices for measuring the hardness of materials and products (according to Brinell, Rockwell and Vickers) (2): purpose, device, action, advantages and disadvantages.

3.2.48. Optical microscope for measuring fingerprints (2): device and operation. Measurement methods.

3.2.49. Presses and accessories for them for determining the hardness of materials and products (2): device and action. Indicators (2). Methodology for determining the hardness of materials and products using a press (2). Advantages and disadvantages of the method (2).

3.2.50. Microhardness meters (2): types, purpose, device and principle of operation. Procedure for testing the hardness of coatings and thin sheets (foil, film) (2).

Tensile and universal machines with a working space that allows the installation of cryochambers or vessels with a cooling liquid and elongated rods for gripping the sample (2): purpose, design and operation. Requirements for cryochambers and coolants (2): device, action. Thermocouple method for measuring low temperatures (2). Methods for controlling the uniformity of sample cooling (2). Procedure for mechanical tests at low temperatures for deformation and strength (2).

education of the RF Ministry of Defense

education of the RF Ministry of Defense

mechanical engineering and communications

Executor

education

Federal component of the content of industry and professional cycles

learning

№№ Educational elements and levels of their assimilation

1. Industry block

1.1. Materials Science

1.2. Industry and enterprise economics

1.3. Production automation

1.4. Technical mechanics

2. General professional unit 2.1. Locksmith work

2.1.1. Typical locksmith operations (2): purpose, essence,

execution technique. Locksmith tools (2): types, purpose, rules for selection and use. Quality control of the performed locksmith work (2): the most probable defects, methods and means of detection and elimination.

Locksmith processing of parts (2).

2.1.2. Fitting operations of locksmithing: purpose, essence and methods of execution. Working tool and devices: types, purpose, methods of use.

Performing fitting operations (2).

2.1.3. Requirements for the organization of the workplace and the safety of performing locksmith work (2).

2.2. Tolerances and technical measurements

2.2.1. Types of errors. Interchangeability and its types. Views
landings. Tolerance and fit systems. Designation in the drawing - fields of tolerances and fits. Qualities and parameters rough !? surfaces in accordance with GOST.

2.2.2. Classification, purpose and main characteristics!

measuring instruments and devices. Measurement error. Means for measuring linear and angular dimensions (2). Measurement technique (2). Means for measuring surface roughness (2) and methods of its elimination (2] Gauges and their main types.

2.3. Hygiene and labor protection

2.3.1. Physiological and hygienic foundations of the labor process in workplaces and in laboratories. Hygienic requirements for a laboratory assistant (2). Sanitary inspection authorities.

2.3.2. Main provisions of the Labor Protection Legislation< Охрана труда женщин и подростков.

2.3.3. Occupational safety requirements at workplaces, laboratories (2).

2.3.4. Norms, rules of electrical safety (2). Measures, means of protection against electric shock (2).

2.3.5. Fire safety; causes of fire] fire prevention measures. Fire extinguishing measures (2).

First aid in case of accidents (bruises, cuts: burns, poisoning, electric shock) (2).

3. Professional unit

3.1. Basic material properties

3.1.1. Materials used in various industries (solid, bulk, liquid and gaseous): composition and structure, classification of materials by purpose, basic properties (dimensional, weight, moisture, thermal, electrical, magnetic) application.

3.1.2. Volume, weight and density (2): definition, units of measurement. Bulk density, true, average and bulk density (2): definition, units of measurement, methods of measurement.

3.1.3. The concept of fineness of grinding (degree of grinding), specific surface area and their units of measurement (2). Measurement methods (2).

3.1.4. General information about binding mixtures, adhesives and paints and varnishes. Setting time; uniformity of measurement of volume, percent of shrinkage and adhesion (2): concept, units of measurement, methods of measurement (2). Classification of cementitious mixtures by setting time. Techniques for reducing shrinkage of binder mixtures (2).

3.1.5. The concept of the moisture content of solid, liquid and gaseous materials: definition, units. Influence of porosity and hollowness of solid materials on their moisture content. Methods for measuring the moisture content of materials.

3.1.6. Concepts: about water-, air-tightness of solid materials (2). Methods for their measurement (2). Ways to reduce water and air impermeability of materials (2). The concept of waterproof and airtight materials.

3.1.7. Electromagnetic materials: concept, classification, application.

3.1.8. Electrical properties of conductors (electrical conductivity, resistance, resistivity) (2): definition, units. Low and high resistivity conductors and their applications.

Determination of the resistance of conductors using an ammeter and volztmeter (2). Bridge method for determining resistance (2). Method for calculating resistivity (2).

3.1.9. Semiconductors (2): concept, purpose and electrical properties (resistivity, dielectric constant, electron (hole) mobility, band gap) and units of measurement. Current-voltage characteristic of semiconductors. Methodology for determining and calculating the main parameters of semiconductors (2).

3.1.10. Solid, liquid and gaseous dielectrics (2): concept, purpose. Properties of dielectrics (volume and surface resistivity, dielectric constant, dielectric loss tangent, dielectric strength) (2): definition, units. Methodology for determining and calculating the main parameters of dielectrics.

3.1.11. Basic information about magnetic materials. Properties of magnetic materials (magnetic flux, tension, coercive force, magnetization, magnetic susceptibility, magnetic induction, magnetic saturation, residual induction and magnetic permeability): definition, units (2). Ballistic method for measuring magnetic permeability (2).

3.1.12. Thermal properties of materials (thermal expansion (compression), heat capacity, thermal conductivity and heat resistance) (2): definition, units. The main temperature critical points of materials when heated.

Method for determining the thermal coefficient of linear expansion and critical points on dilatometers.

3.1.13. Basic information about heat-resistant materials and their application. Determination of heat resistance (2). Methods for testing and quantitative assessment of thermal resistance of materials.

3.1.14. Basic information about vacuum and methods of its creation. The concept of concentration and pressure naz. Dependence of gas pressure on temperature. Free path length. Dependence of the degree of gas rarefaction on the mean free path and
11

linear dimensions of the device. Low, medium, high and ultra high vacuum. Composition of residual gases and vapors.

Materials used in vacuum installations (metal, ceramic and glass): their characteristics, application.

Procedure for testing materials in vacuum for thermal shock resistance and strength (2).

Photo materials. Developers. Fasteners. Recipes for drawing up. Films. Photo paper. Classification and technical characteristics of photographic film and photographic paper. Negative process. Positive process. The nature of the negative and positive process. Technique for making negatives, transparencies and photographs (2).

Equipment and methods for testing materials and products

Measures with a constant value of the measured quantities (weights, calibers, reference resistances, etc.) and with a variable value (measuring rulers, calipers, micrometers, voltmeters, etc.) (2): classification, purpose, device. Measurement methods (2).

Instrumentation: classification (by the nature of the measured quantities, by the nature of the readings, by the form of presentation of the readings, by the principle of operation, by location, by the working conditions, by the dimensions, the limits of the measured values ​​and the accuracy class).

The main elements of instrumentation (2): purpose, device, principle of action, brief description.

The main characteristics of instrumentation (range of measured values, measurement accuracy, speed, sensitivity threshold, metrological reliability) (2).

Measurement error (2): factors influencing the measurement error; ways to prevent them; errors of indirect measurements.

3.2.6. Devices with a photoelectric converter for determining the roughness of samples (2): their device and methods of measurement.

3.2.7. Devices for determining the volume of solids of irregular geometric shape \ bulk and liquid materials (beakers, measuring cups, Jle Chatelier volumetric meter) (2): purpose, device and methods of measurement.

3.2.8. Devices for determining the weight of solid, bulk, liquid and gaseous materials (2): varieties, purpose, device, principle of operation. Installation for determining the weight of solid materials immersed in water (2): purpose, device and action. Weighing technique (2).

3.2.9. Installations for the separation of the density of solid materials and for determining the true, average and bulk density of bulk materials (2): block diagrams of installations, their constituent elements. Methods for determining the density of materials.

3.2.10. Installations for determining the density of liquid materials and for measuring the density of a gaseous medium with ionization converters (2): structural diagrams, their constituent elements. Methods for determining the density of materials at each of the installations (2).

3.2.11. Instruments for measuring the density of liquid materials (hydrometers) (2): device, principle of operation and methods of measurement.

3.2.12. Instruments for measuring the viscosity of liquid materials (viscometers) (2): classification, purpose and device. Methods for measuring the viscosity of liquid materials by viscometers of different systems (2).

3.2.13. Installations for determining the viscosity of drying oil and for determining the relative viscosity of a liquid (2): block diagrams of the installation and their constituent elements. Method for determining the viscosity of liquid materials at each of the installations (2).

3.2.14. Equipment for determining the bulk density, fineness of grinding and specific surface area of ​​bulk materials: types, purpose, device, principle of operation. Method for determining bulk density, fineness of grinding and specific surface area (2).

3.2.15. Installations for testing materials for setting time, uniformity of volume change, percentage of shrinkage, bonding of cementitious mixtures (2): structural diagrams, main and auxiliary equipment, its varieties, purpose, device.

Methodology for determining the setting time, uniformity of volume change and percentage of shrinkage of cementitious mixtures; drying time of paints and varnishes and adhesion (adhesion, adhesion) of adhesives and paints and varnishes (2).

3.2.16. Temperature measuring devices (2): classification (expansion thermometers, thermoelectric thermometers, resistance thermometers, pyrometers), purpose, device, principle of operation and installation. Temperature measurement technique (2).

Conversion of temperature from one scale to another (2).

3.2.17. Equipment for creating and maintaining a certain temperature (thermostats, refrigerating chambers and cryochambers) (2): purpose and device. Fluids used as heaters (coolers) (2). Electric ovens and thermostats (2): device and operation. Thermometers for measuring low and high temperatures using thermocouples (2).

3.2.18. Instruments for measuring thermal expansion of solid, liquid and gaseous materials (dilatometers) (spring, quartz, special) (2): purpose and device. Method for determining the thermal coefficient of linear expansion (2) and critical temperature points of materials on dilatometers (2).

3.2.19. Installation for testing solid materials for heat resistance and thermal expansion (compression) (2): block diagram and its constituent elements. Methods for regulating the uniformity of heating the sample along the length (2). Indirect temperature measurement using thermocouples and relative deformation using strain gauge transducers (2): installation of thermocouples and strain gauges. Temperature measurement and cold junction correction. Method for determining thermal expansion (compression) of solid materials and their heat resistance (2).

3.2.20. Pressure measuring devices (2). Classification, purpose, device and principle of operation. Installation and maintenance of the device (2). Pressure measurement rules (2).

3.2.21. Vacuum meters (liquid, mechanical, thermal, ionization, radioisotope) (2): purpose, device, principle of operation. Installation and maintenance of devices. Low pressure measurement rules (2).

3.2.22. Equipment for creating and maintaining a certain pressure (pressure chambers) (2): purpose and device. The main units of vacuum systems (foreline and diffusion pumps, fittings, leak detectors, pressure measuring instruments) (2): purpose, design and maintenance. Pumps for creating high pressures in the pressure chamber (2): design, operation and maintenance. Means for measuring high pressures (2): their types, placement and maintenance.

3.2.23. Electrical measuring devices (2): classification, purpose, device and principle of operation, designation in the diagrams. Methods for connecting devices to an electrical circuit (2). Scale designations (2). Methods for determining the division price (2). Connecting devices to the electrical circuit and reading their readings (2).

3.2.24. The use of electrical measuring instruments for measuring non-electrical quantities (2). General understanding of ratiometers.

3.2.25. Installations for determining the resistivity of conductors by current-voltage and bridge methods (2): electrical circuits and their components. Methodology for calculating the resistivity of a conductor by its size and instrument readings (2).

3.2.26. Installation for determining the dependence of the electrical resistance of a conductor on temperature (2): electrical diagram.

Installation equipment (2): purpose, device, principle ^ c

actions.

Methodology for calculating the temperature coefficient of resistivity according to instrument readings (2).

3.2.27. Installations for determining the resistivity of dielectrics at high temperatures in vacuum and argon atmosphere (2): structural and electrical diagrams of installations and their constituent elements.

The main equipment of installations (2): types, purpose, device, principle of operation.

Auxiliary equipment (measuring cells for fixing or placing samples of solid and liquid dielectrics) (2): device of cells, features of measuring cells for liquid and gaseous dielectrics. Checking the measuring cells for compliance with the dimensions of the requirements of GOST (2). Checking nodes and connections of cells for density (2). Care of measuring cells for liquid dielectrics (2).

3.2.28. Ballistic installation for determining the magnetic permeability of materials (2): device and principle of operation. The procedure for testing material for magnetic permeability (2) and the method for its calculation (2).

3.2.29. Devices for measuring the moisture content of solid and bulk materials (2): classification, design, operation and operation. Method for measuring the moisture content of solid materials

3.2.30. Fisher for the quantitative assessment of the moisture content of liquid dielectrics (2): device and operation. Electrohydrometers for determining the moisture content of liquid materials (2): purpose, principle of operation and device. Measurement of moisture content of liquid materials using K. Fischer's installation and electro-moisture meters (2).

3.2.31. Devices for determining the absolute and relative humidity of air (2): purpose, device and principle of operation. Air humidity measurement (2).

3.2.32. Equipment used in the process of mechanical testing of materials and products in tension and compression (crushing) (2): varieties, purpose, device,

operating principle.

3.2.33. Devices for measuring relative deformations, efforts, analyzers of deformations and loads (2): device and principle of operation.

3.2.34. Devices for testing materials for extrusion (pressing) of products (2): device and action.

3.2.35. Method for determining the modulus of longitudinal elasticity by the radio engineering method (2). A method for determining the limits of proportionality, elasticity, yield and strength from the tensile diagrams of plastic and brittle materials (2).

3.2.36. Equipment used in the process of mechanical testing of materials and products for shear (shearing, shearing) (tensile and universal machines, presses, fixtures) (2): device and principle of operation.

3.2.37. Electronic device with a strain-gauge transducer for measuring the shear angle (2): device and operation. Technique for determining the shear modulus by the radio engineering method (2).

3.2.38. Methods for testing materials for strength under shear shear and shear deformation (2).

3.2.39. Equipment for mechanical testing of materials and products for bending (2): types, device and principle of operation.

3.2.40. Instruments for measuring bending moments, applied forces, linear and angular displacements (2): device, operation and measurement methods.

3.2.41. Test procedure for deformation, stiffness and strength of materials and products in bending (2).

3.2.42. Equipment for mechanical testing of materials and products by torsion (2): type, device and action.

3.2.43. Instruments for determining the angles of twisting, shear modulus, limits of proportionality, elasticity, yield, strength, recording the deformation curve of the sample in the coordinates "Torque - twist angle" (2): device, action and methods of measurement.

3.2.44. A technique for carrying out mechanical tests for deformation, rigidity and strength of materials and products under torsion (2).

3.2.45. Installations for mechanical testing of materials and products under the action of dynamic loads (2): varieties, purpose, device, action.

3.2.46. Pendulum impact devices and installations for mechanical testing of materials and products for impact strength (2): their varieties, purpose, device and action.

3.2.47. Methodology for testing materials and products for impact strength (2).

3.2.48. Devices for measuring the hardness of materials and products (according to Brinell, Rockwell and Vickers) (2): purpose, device, action, advantages and disadvantages.

3.2.49. Optical microscope for measuring fingerprints (2): device and operation. Measurement methods.

3.2.50. Presses and accessories for them for determining the hardness of materials and products (2): device and action. Indicators (2). Methodology for determining the hardness of materials and products using a press (2). Advantages and disadvantages of the method (2).

3.2.51. Microhardness meters (2): types, purpose, device and principle of operation. Procedure for testing the hardness of coatings and thin sheets (foil, film) (2).

Determination of the hardness of materials and products by the methods of bounce, impact indentation, measurement of plastic hardness and scratching (2): purpose of methods, equipment. th used to implement the methods.

3.5.52. Tensile and universal machines with a working space that allows the installation of cryochambers or vessels with a cooling liquid and elongated rods for gripping the sample (2): purpose, design and operation. Requirements for cryochambers and coolants (2): device, action. Thermocouple method for measuring low temperatures (2). Methods for controlling the uniformity of sample cooling (2). Procedure for mechanical tests at low temperatures for deformation and strength (2).

3.5.53. Explosive and universal machines with a working space allowing the installation of heat chambers or heating furnaces with a set of interchangeable grips (2): device and action. Heaters for thermal chambers and their device (2). Thermocouple method for measuring high temperatures (2).

Methods for controlling the uniformity of heating the sample (2). Technique for mechanical testing of materials at high temperatures for deformation and strength (2).

3.2.54. Installation for mechanical testing of high-temperature materials in vacuum at high temperatures (2): block diagram and its components. Technique for mechanical testing of materials in vacuum at high temperatures (2). Features of the calculation of mechanical parameters (2).

3.2.55. Photographic devices, photoexposure meters, photographic enlargers, reproduction equipment, contact copiers (2): purpose, device and action.

3.2.56. Auxiliary equipment (2): types, purpose and operation of each of the elements of auxiliary equipment.

3.2.57. Technique for performing photographic processes (2): shooting, obtaining negatives, positives and photographs.

Distribution of training time by profession

"Laboratory assistant for physical and mechanical tests" in the section "Professional training"

DRAFT STANDARD DEVELOPED BY THE INSTITUTE FOR THE DEVELOPMENT OF PROFESSIONAL EDUCATION OF THE MINISTRY OF EDUCATION OF THE RUSSIAN FEDERATION

Director of the Institute for the Development of Professional

education of the RF Ministry of Defense

Deputy Director of the Institute for the Development of Professional

education of the RF Ministry of Defense

Development Manager Head laboratory for methodological support of professions

mechanical engineering and communications

Executor

AGREED BY: Head of the Department of Initial Professional

Physicomechanical Testing Assistant

§ 120. Laboratory assistant for physical and mechanical tests (2nd category)

Description of works... Physical and mechanical testing of metals, raw materials, products, alloys, various materials, semi-finished products and finished products for strength, tension, bending, heat resistance, compression, removal and pushing force, rupture, hardness, air tightness, viscosity, flyiness, twisting, thickness, moisture , water resistance, fat content and other quality indicators on control and verification installations, on Rockwell, Brinell and others in accordance with the current instructions. Measurement of electrical resistance by the bridge method and by the ampere-voltmeter method. Determination of density by hydrostatic weighing. Checking the sizes of cells and the density of nodes and joints. Determination of the percentage of shrinkage and adhesion. Maintaining established test records. Preparation and degreasing of test specimens. Selection and preparation of devices and apparatus for testing. Adjustment of devices and apparatus under the guidance of a laboratory assistant of higher qualifications. Preparation of a developer and fixer according to a given recipe, processing of photographic paper, films and plates, making prints from photo negatives.

Must know: classification of physical and mechanical tests; basic physical and mechanical properties of the tested metals and materials; elementary information about the electrical properties of metals and non-metallic materials; specific electrical resistance; methods for determining the density of the electrolyte; methodology for preparing samples for testing; fundamentals of electrical engineering within the scope of the work performed; rules for the storage and use of photographic materials: chemical reagents, photographic paper, photographic plates; methods for preparing a developer and fixer according to a recipe; the procedure for the selection and design of samples according to the types and properties of the analyzed materials, raw materials, semi-finished products and finished products; the principle of operation of the serviced equipment and the rules for handling it in the process of analysis and testing; system for recording test results; state standards and technical conditions for testing; the purpose of control and measuring devices, tools and the rules for their use.

§ 121. Laboratory assistant for physical and mechanical tests (3rd category)

Description of works... Physical and mechanical tests of raw materials, materials, semi-finished products and finished products with the execution of work on processing and generalization of the results of the tests carried out. Performing calculations to determine the quality indicators of materials, raw materials, semi-finished products and finished products. Determination of the compliance of the tested samples with state standards and technical specifications. Preparation of prototypes in laboratory conditions. Determination of the fineness of grinding, uniformity of change in volume, setting time and bulk density of materials. Calculation of the magnitude of the loads by the size of the samples. Determination of temperatures using thermocouples during testing for heat resistance of samples. Mounting the thermocouple. Corrections for the cold junction temperature. Determination of the modulus of normal elasticity and shear modulus by the radio engineering method, standardization of the installation for determining the moduli. Measurement of magnetic permeability on a ballistic device. Correction for the geometric dimensions of the sample. Regulation of uniform heating of the sample along the length, control of the heating temperature by thermocouples. Measurement with a thermocouple vacuum gauge of vacuum up to 174 - 1.3 Pa (up to 1.31 - 10 mm Hg). Change the oil in the foreline pump. Verification and adjustment of laboratory equipment in the process of testing. Monitoring the passage of a pilot batch of raw materials, materials and semi-finished products in production. Graphical display of test results.

Must know: the device of the serviced equipment; recipe, types, purpose and features of materials, raw materials, semi-finished products and finished products subject to testing; rules for conducting physical and mechanical tests of varying complexity with the execution of work on their processing and generalization; the principle of operation of ballistic devices for determining the magnetic permeability; main units of vacuum systems of fore-vacuum and diffusion pumps, thermocouple vacuum gauge; basic methods for determining the physical properties of samples; basic properties of magnetic bodies; thermal expansion of alloys; method for determining the coefficients of linear expansion of critical points on dilatometers; method for determining temperature using high and low temperature thermometers; elastic properties of metals and alloys; rules for making corrections for the geometric dimensions of the sample; methods of plotting; a system of records of tests carried out and a methodology for summarizing test results.

§ 122. Laboratory assistant for physical and mechanical tests (4th category)

Description of works... Determination of magnetic susceptibility, magnetic permeability, residual induction, coercive force. Removing the hysteresis loop on the permeameter. Checking the wire for homogeneity and thermoelectromotive force with standards. Thermostating of thermocouple cold junctions. Removal of thermal cycles of cooling and heating of the sample. Creation of high vacuum in installations, measurements of it with vacuum gauges. Determination of thermal conductivity, heat capacity and electrical conductivity. Determination of thermal expansion coefficients and critical points on a vacuum dilatometer. Adjustment of the instruments used and their adjustment. Determination of the yield strength of the metal from the diagram. Compilation of calculation tables. Calibration of thermocouples and dilatometers for the manufacture and specification of temperature scales. Measurement of soil temperature with mercury inertial thermometers. Conducting control tests. Work with light-beam oscilloscopes. Selecting the required vibrator, installing it in the magnetic block. Calculation of residual stresses by the ring method according to these measurements. Adjustment of the optical system and the timer of the oscilloscope. Oscillogram processing.

Must know: device of permeameters, installations for determining the magnetic properties of metals in constant magnetic fields, potentiometers for temperature control, installations for determining thermal conductivity, heat capacity and electrical conductivity, light-beam oscilloscopes, ionization and magnetic discharge manometers; ferro-, dia- and paramagnetic materials; the dependence of the magnetic permeability on the field; basic methods for determining magnetic properties; methods of work on a permeameter, ferrotester, installation for determining magnetic susceptibility; fundamentals of materials science; methods for measuring high vacuum; methods for detecting leaks and eliminating them; thermal properties of metals and alloys; methods for determining thermal conductivity and heat capacity; fundamentals of metal science and heat treatment; values ​​of permissible loads and stresses on the tested material; ultimate strength and yield strength in tension and bending, fatigue limits, maximum stresses.

§ 123. Laboratory assistant for physical and mechanical tests (5th grade)

Description of works... Physical and mechanical tests of all types of welded joints, pipes of various diameters, sheet and profile rolled products with obtaining all characteristics in accordance with technical requirements and conditions. Conducting various non-standard tests. Testing of finished units, products and chains, calibration of special devices, adjustable for torque. Assembly of circuits and devices for non-standard tests. Calibration of recording and recording equipment. Testing using various strain gauges. Removal of the curves of decomposition and supercooled austenite on the anisometer and temperature curves in the manufacture of control thermocouples. Determination of the coefficients of linear expansion on automatic high-temperature dilatometers. Determination of the thermal properties of substances on an electronically heated calorimeter. Determination of the damping decrement of samples in the low frequency range. Determination of purity of metals after zone melting by measuring residual resistance at liquid helium temperature. Filling of vessels with compressed and liquefied gases. Carrying out current repairs and adjustments of the equipment used.

Must know: methodology for mechanical testing of various welded seams, pipes, rolled products, finished units and products; the principle of calculating and drawing up schemes for non-standard tests; the device of light-beam oscilloscopes, strain gauges and strain gauge equipment; device of automatic high-temperature dilatometers, installations for determining internal friction in metals, calorimeters, various types of installations for determining the residual electrical resistance of metals and alloys, anisometers; basics of dilatometry within the work performed; iron carbon state diagram; the influence of alloying elements on the physical properties of metals and alloys; method for determining thermal expansion on high-temperature dilatometers in inert gases; rules for taking diagrams of isothermal decomposition of supercooled austenite at low and high temperatures when using a bath of liquid nitrogen, oil and liquid tin; properties of materials at low temperatures; properties of liquefied gases; method for determining residual electrical resistance; mathematical processing of experimental data; rules for working with liquid nitrogen; a method for determining the physical properties of materials.

§ 124. Laboratory assistant for physical and mechanical tests (6th grade)

Description of works... Carrying out physical and mechanical tests to determine the electrical conductivity and temperature coefficient of resistance in samples of a micron section of increased complexity. Taking thermokinematic curves on anisometer and dilatometer at temperatures from -196 degrees. C and higher. Determination of the thermal properties of substances by the method of electron bombardment. Turning on, servicing and turning off high temperature heaters. Measurement of electrical conductivity, thermal conductivity, thermal expansion coefficient, emissivity at high temperatures in vacuum and inert media. Characterization of thermoelectrode materials at cryogenic temperatures. Determination of the damping decrement in the region of high frequencies and high temperatures. Participation in the development of methods for new alloys and metrological certification of installations.

Must know: principles of high temperature heating; dependence of heating temperature on power consumption; materials for high temperature heaters; the role of heat shields; the principle of heating substances by electronic bombardment; basic laws of electronic heating and temperature distribution over a sample when bombarded with electrons; methods for determining the physical properties of materials at temperatures above 1000 degrees. C; methods for measuring high temperatures using standard pyrometers; methods for calibrating thermocouples using standard pyrometers; features of the device of high-temperature installations; ways to reduce heat loss; methods of accounting for heat loss and the introduction of corrections for heat loss in the mathematical processing of measurement results.

Secondary specialized education is required.