Some standard content:
CDC620.17.05
National Standard of the People's Republic of China
GB/T 2611-92
General technical requirements for testing machines
General requirements for testing machinesy1992-08-29Promulgated
1993-04-01Implementation
State Bureau of Technical Supervision
National Standard of the People's Republic of China
General technical requirements for testing machines
General requirements for testing machines1Subject content and applicable scope
GI/T 2611-92
Agency GB2611-!
This standard specifies the basic requirements for testing machines, including machine components, assembly and safety precautions, parts processing equipment, certification equipment, appearance information, random technical documents and other requirements. This standard applies to metal material testing machines, non-metallic material testing machines, balancing machines, vibration machines, impact machines and pull-over machines, force and deformation testing machines, age testing machines and packaging testing machines and non-destructive testing machines (hereinafter referred to as testing machines) 2 Electrical standards
GB2894 Safety standards:
F5226 General technical symbols for machine tool equipment CB516.1 Principles for drawing graphic numbers for electrical equipment GB 6444 Vocabulary
2BN75007 Method for compiling models of testing machines and non-destructive testing instruments 3 Basic requirements
3.1 Terms and measurement units
3.7.1 The technical requirements of the testing machine shall comply with the provisions of the testing machine terminology GB%444. 3.1.2 The measurement units used for the testing machine shall adopt the statutory measurement list of the People's Republic of China 33.? Testing machine naming and model, inspection, quality assurance 3.2.1 The name and model of the testing machine product shall comply with the provisions of 7FN70 001, and shall be reported and issued according to the prescribed procedures of the seller. 3.2.2 The testing machine shall have necessary signs and instructions, such as operation, safety, etc., and shall remain clear for a long time: 3.2.3 Testing machine product inspection and separation! Inspection (acceptance inspection and type control inspection or routine commissioning), when any of the following situations occurs, type inspection should be carried out: new products or old products transferred to the factory for production: after formal production, if there are major changes in materials, processes, etc., the product performance can be accepted; during normal production: regular or periodic inspection after accumulating a certain amount of production; when resuming production, the national quality supervision agency is responsible for conducting type inspection according to the requirements. 3.2.4 Under the supervision of the transportation, storage and inspection regulations of the testing machine, the product will be damaged or cannot work normally from the date of shipment. If the testing machine is of poor quality or cannot be operated normally, the manufacturer shall repair or replace it free of charge. 3.3 Design and installation
3.3.1 The design of the testing machine is reasonable, 3.3.2 The test machine and its auxiliary devices (except the video camera type) shall be installed or placed in an environment where the environment and the structure will not hinder the operation and will not affect its performance. Approved by the State Technical Supervision Bureau on August 29, 1992, and implemented on April 1, 1993. GE/r261192 3.3.3 The test machine shall be installed in a place where the environment and the structure will not hinder the operation and will not affect its performance. The installation environment and the environment of the test machine shall be specified in the relevant national or industry standards according to its performance requirements. 3.4 The test machine shall be installed in a place where the environment and the structure will not hinder the operation and will not affect its performance. 3.4.1 Ensure the performance of the test machine. The tools and accessories should be supplied with the machine. The accessories and tools should generally be marked with relevant markings, such as the size of the tool head and the range of the test diameter. The accessories and tools should be installed in the accessory box (with label). 3.4.2 In addition to the protection and workmanship to expand the test performance, they should be supplied according to the user's requirements. 4.1 Quality control, assembly and safety protection of machined parts 4.1.1 The parts that meet the requirements of the drawings shall be heat treated. The parts that are prone to damage shall be heat treated. After heat treatment, there shall be no marks or defects. 4.1.3 All parts that have been heat treated shall not have any fire-proof effects. 4.1.1 The parts that have been slightly treated with acid shall not have obvious magnetic properties. 4.1.5 The parts that have been slightly treated with acid shall not be marked with marks on the surface. 4.1.6 The parts that have been tested shall be engraved with shallow marks inside the machine. , the characters are high and accurate, and the hooks are smooth and clear. The car should correspond to the following micro-engraving. 4.1.7 The hand wheel strategy and the operation level should be in accordance with the light method. 42 Assembly mouse quantity || tt || 42.1 Acceptance and assembly of the common parts should be carried out according to the current requirements. The inner pads that are not specified in the drawing process should not be put into the design. 4.2.2 Purchased parts must be tested and certified or inspected by people before they can be used. 2.3 The company has a card year Wang · The machine material should be flexible and can be properly positioned. 2.2.4 The parts must be well fastened! The ends, pins, etc. must be fixed firmly to prevent loosening and falling off. 4.3 Safety protection
4.3.1 The large test base (or parts should be easy to install by lifting. The product should be equipped with lifting holes or lifting rings: 3.2 Test standards before and after transportation + there are parts that can be checked for looseness and have anti-loosening measures. 4.3.3 The exposed surface of the test machine, such as the pulley, etc. should be reduced. 5 Rotational processing quality disc
5.1 The materials of all special parts on the test machine should comply with the requirements of the relevant material standards. 5.2 The surface of the casting shall be flat, and the length of the surface shall not be greater than 3ma in any inspection length of 650mn. 5.3 The sand-like powder on the workpiece should be removed, and the flying, hair, porcelain, and loan materials should be scraped off. 5.4 There should be no cracks, and the bonding surface and external processing should not have holes and pores. The technical shadow production can produce defects in the parts. It is allowed to carry out static electricity. E.5 Normally, the castings of the cylinder and the cylinder should not have holes, shrinkage holes, sand holes, etc. that reduce the strength of the parts. Under the specified pressure, there should be no full measurement (water) under the current test. 5.5 The testing machine must be used to effectively process the parts for uniformity. 6 Electrical equipment
6.1 Electrical equipment identification and item codes
E.1.1 The markings used in electrical equipment should be placed in visible locations and be clearly understood. 61.2 When electrical components are installed in external devices such as power cords, etc., there should be warning signs on the door panels and their signs should comply with the provisions of 2864 (GF/L 2E11-92). 6.1.3 The entire electrical equipment should be marked with a brand name or logo on its door or in the appropriate position (for position control): a. Rated voltage of the source, frequency of the machine; c. Total capacity or total cutting current of the machine; d. Product number for full-scale control) The control operating parts of the electrical equipment such as buttons, selection switches, etc. should have clear and functional markings. This mark can be a graphic symbol, and can be used as a symbol. It is in accordance with the current provisions of G4. 6.1.5 When using electrical equipment, its usage should be clearly marked on the rack if it is limited to the use of the switch. The non-instructions should be marked in the product description. 6.1.6 The red and red indicator lights of electrical equipment must be marked with the color of the buttons. Refer to GB5 for the attached drawings and sub-items. 6.1.? Each size and device in the electrical equipment must have a valid date code and a batch code in accordance with the schematic diagram. The device should be marked on the surface. All the terminals have a long-term connection inside the power supply. The effective line number should be marked on the point.
62 continuous current test. Withstand voltage test
5.2.1. The grounding resistance should meet the following requirements; for circuits with a voltage of G00V or above, its functional range (to ensure the normal operation of the equipment and prevent the electric shock caused by the added insulation outside the functional insulation line, so as to prevent the electric shock caused by the added insulation outside the functional insulation line) should be not less than 2M; the insulation resistance should be not less than 5Mh; the reverse insulation (to make it a kind of insulation block with a constant voltage and a constant current, it has the same degree of resistance to current as double-frequency insulation) and the positive insulation (positive insulation composed of insulation structure: the insulation resistance should be not less than 2Mh; for circuits with a positive voltage exceeding V, the insulation value should be a coefficient multiplied by the above insulation value, and the coefficient is calculated according to the following formula:
system voltage
. Use extra-low voltage insulation as the core. The positive voltage shall be measured by using a safety transformer or a special independent resistor: the effective value of the AC voltage between the conductor and the conductor or between the conductor and the power supply shall not exceed the positive voltage, and the positive voltage generated inside the electrical equipment shall not be less than 1M. 6.2.2 The insulation test is also for the power circuit that is just short-circuited! Including the control circuit and signal circuit connected to the power circuit) and the protection circuit (including the disassembled machine base) The insulation limit of the conductor shall comply with the provisions of 6.2, 1. 6.2.3 Electrical equipment shall be able to withstand a withstand voltage test of not more than 1min without any breakdown or flashover. 6.2.4 The test voltage of the new voltage test is applied between the following circuits: and the short-circuited power circuit (including the power circuit) The control circuit and the station number circuit) and the protection circuit (including the hanging machine note): h and the power port circuit is connected to the rated voltage of 50V or more. The test is carried out in accordance with the meter. 3
Rated power supply voltage\V
Direct current or effective AC power
:--135
>130.-250
GB/T2611··92
Voltage charging peak power or including voltage"
-85--184
184--355
Design: 1> There are several rated power materials, and the rated power is selected according to the commercial standard. 2》The combined discharge supply is the DC negative pressure value. The sum of three clouds. Test voltage ky
The design stipulates that the test components, devices (including live parts, electric wearers, electric devices, etc.) are not subject to high voltage tests. When performing voltage tests, they should be disconnected. The narrow circuit between the exposed parts shall not be registered. The test frequency is subject to the attached electric shock test.
6.3. The electrical equipment has the ability to protect personal safety and prevent electric shock. 6.3.2 In the normal working situation, the protection of electric shock should be one of the protective measures specified in 6.3.3 and 6.3.4. 6.3.3 The protection of the electric cabinet should meet one of the following requirements-a. The key or tool must be used to open the electric cabinet, and after opening the door, the live parts with a voltage higher than 10uV in the phase should be protected to prevent accidental electric shock:
b. Before starting the power supply, the power supply should be disconnected first. The interlocking mechanism between the door and the power switch must be realized. When the switch is off, people can open the door: close the door and then turn on the switch; c. If it is not necessary to use a tool to open the door, or to work without disconnecting the non-electrical parts (replacing the bulb and replacing the broken wire), there must be a baffle in the electric part to prevent contact with the live parts. When the voltage is below 5V, the baffle may not be installed. 6.3.4 To protect the live parts, the live parts should be separated by insulation materials that do not need to be removed. This insulation disk can withstand mechanical, electrical or thermal damage. The paint, lacquer, and paint must not be used alone. 6.3.5 For protection against electric shock, the following two types of protection should be adopted: a. Connect the exposed conductor to the rack circuit; b. Use a protective switch with automatic power off. 5.3.6 All operating conductors of electrical equipment and testers (including the machine base) must be connected to a special protective grounding cable. 6.3.7 Metal shielding wires shall not be used as grounding wires. All other metal shielding wires (tubes, aluminum connections) must be connected to the protective grounding circuit. 6.3.8 If electrical equipment is taken out for live testing and maintenance, the protective conductor must be connected to the battery at the same level. 6.3.9 Disable switches and circuit breakers in the protective circuit. 6.3.0 When the connection curtain or plug is interrupted, the protective grounding circuit must be disconnected only after the power supply wire is disconnected. When reconnecting, the protective grounding circuit must be connected before the power supply wire is connected. 6.4 Basic requirements for components, wires and terminals
6. When several power supplies are installed in the gas shock equipment, there must be a total switch, and there must be sufficient repair to cut off the ship. The safety sense should not be cut off. The full-bottom batch switch is not allowed. E.4.2 In the test, the power is suddenly stored. When the power supply is restored, the drive and other equipment can be automatically connected. 6.4.3 The 5 terminals and recordings of the electrical equipment can be added or taken as much as possible: 6.4.4 For motors that can rotate in one direction, the header of the motor can be marked at the appropriate position. 6.4.5 All the connections of the load, especially the protective grounding circuit, must be firm and not be moved. 4
GB/T2611·92
6.4.6 Except for the cases where welding is required, all wires should use cold-pressed terminals: If the electrical equipment is subjected to high pressure, it is not allowed to use joints. 6.4.7 The protection wire and the neutral wire of the electrical equipment must be color-coded. The wiring of other circuits should be color-coded as much as possible. The wire color should meet the requirements. The protection conductor is yellow-green. The neutral wire of the power circuit is light blue: AC or DC power conductor is black: Cross-strike control conductor is red: DC control conductor is blue: The wire used for control circuit interlocking, if it is connected to the external control circuit and when the power is disconnected, the interlocking control circuit wire is standard color:
8. The circuit wire connected to the protective conductor is white: h The electric terminal is not subject to the above restrictions. 6.4.3 The wiring in the electrical distribution box and between the two terminals must be continuous and no joints are allowed in the middle. 6.4.9 The protective film must be marked with "*" or text "user". 7 Hydraulic equipment
7.1 The working surfaces of the hydraulic system, such as the active part, the door, etc., shall not have cracks and discs. 7.2 The working speed range of the transmission part shall not exceed the specified range. The machine shall stop when the speed exceeds the specified range. 7.3 The filter system shall have a non-airtight and reliable seal, and there shall be no leakage. 7.4 The box structure and shape shall meet the following requirements: Under normal working conditions, it shall be able to accommodate the full hydraulic pressure flowing from the system; n
Prevent leaking or overflowing hydraulic oil from directly entering the main tank! h.
The bottom of the oil tank should be shaped to allow the hydraulic oil to be drained. The oil tank should be easy to lubricate and drain. 1. dWww.bzxZ.net
The oil tank surface should have a surface indicator.
7.5 The concentrated pressure system should be clean. In order to eliminate harmful impurities in the concentrated pressure oil, an oil filter device should be installed to quickly reduce the pressure oil to the specified lubrication requirements.
7.6 The oil filter must be installed in a place where it is used and there should be enough space for replacement. 7 All oil pipes and The outlet of the oil drain pipe must be below the oil level to avoid bubbles and air ingress. 7.8 When the hydraulic system circuit is under pressure or full capacity and may cause danger or accident, protective equipment should be installed. 9 The pressure transmitter part should be equipped with a working stroke position switch when necessary. 7.10 When there are more than one automatic or manual control devices in the pressure system, if any failure may cause personal safety and equipment damage, a joint protection device must be installed. 7.11 When the hydraulic system is in the working stop position, the hydraulic oil is reduced, the hydraulic oil is reduced, and the actuator is drained back to the oil pusher. When the noise causes the equipment to be damaged or dangerous, there is an emergency to prevent the liquid from returning to the tank. 7.12 The manual control device with a closed system should meet the following requirements: It must be easy to recognize:
. The equipment must be installed at the operator's work station, and the operation must be done immediately.
can only complete all the remaining operations with one control panel. B Appearance weight
8.1 The appearance of the test machine should not have any defects: the core, twist, and other damage. GB/T 2611--·92
92 The parts of the testing machine should be neatly matched and there should be no obvious misalignment. The door should be installed in a straight line, and the joint surface should not be too tight.
Sheng Da Use Size
9--son
-1 000
8.3. The countersunk head should not be exposed on the outer surface of the lower part, and there should be no obvious double center than the inner hole. The pin should be exposed on the outer surface of the upper part, and the exposed shaft should protrude from the outer surface of the part. The pin should be cut continuously. The tail end should be slightly exposed. 8.4 The parts of the test machine have no corrosion, no stains, no magnetism, no balance and other defects. 8.5 The appearance of the test machine should be in color and color, and the color should be harmonious. The boundaries of different colors should not be mixed. 6.5 The test parts should be new and can withstand the impact of the machine. There should be no peeling of the parts. 8.7 All the parts and components of the machine that have not been assembled should be carefully cleaned of rust, sand, dirt and other dirt before primer coating. The surface should be flat and smooth. There should be no spots, wrinkles, aerosols and sticky materials. 8.B The surface of the parts should be uniform and free of spots, iron layer, and no peeling. 8.9 The surface color of the oxidized parts should be uniform, without spots, screw corrosion, etc. 8.1 The various signs on the test machine should be fixed in a conspicuous position. The fixed position should be correct and the materials should be properly marked. It is allowed to use "artistic" signs or to print clear "words" on the test machine. 9.1 The technical documents accompanying the equipment shall include: instruction manual; qualification certificate; installation manual; 9.2 The instruction manual shall correctly guide the installation, use and maintenance of the equipment. Additional remarks: This standard was proposed by the Ministry of Machinery and Electronics Industry of the Chinese People's Republic of China, and was approved by the Testing Machine Standardization Technical Committee of China. This standard was funded by Changchun Testing Machine Research Institute, and the main drafter of this standard is Li Yanfang.
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