JB/T 10082-2000 Technical requirements for wire-cut electric discharge machines
Some standard content:
JB/T 10082—2000
This standard is a revision of JB/T10082-1999 "Technical Requirements for Manufacturing and Acceptance of Electric Spark Wire Cutting Machines". The main technical differences between this standard and JB/T10082—1999 are as follows: 1. The content of the original Chapter 1 has been cancelled, and Chapter 10 "Marking and Instructions for Use" and Chapter 11 "Packaging, Transportation and Transportation" have been added; 2. Chapter 5 "Safety Protection" has been added;
3. Electromagnetic compatibility test has been added to the machine tool idle running test, and some test items have been adjusted; 4. The technical requirements for electrical equipment, the original standard was written according to GB5226-85 "General Technical Requirements for Machine Tool Electrical Equipment", and this standard was written according to GB/T5226.1—1996 "Industrial Machinery Electrical Equipment Part 1: General Technical Requirements": 5. Relevant content has been modified according to the development of technology. This standard replaces JB/T10082--1999 from the date of implementation. This standard was proposed and managed by the National Technical Committee for Standardization of Special Processing Machine Tools. The drafting units of this standard are: Suzhou Electrical Processing Machine Tool Research Institute, Hangzhou Radio Special Equipment Yi Guang, Suzhou Sodick Sanguang Electromechanical Co., Ltd., and Shanghai Huisheng Electronic Machinery Equipment Co., Ltd. The main drafters of this standard are: Fu Chusen, Mei Tianfu, Sun Jie, Yu Zhisan, Xie Yuanchen, and Wu Min. This standard was first issued in August 1987 as ZBJ59001-87, and the standard number was adjusted to JB/T10082-1999 in 1999.
1 Scope
Machinery Industry Standard of the People's Republic of China
Wire electro-discharge machines
Technical requirements
Wire electro-discharge machines-Technical requirements
JB/T 10082-2000
Replaces JB/T10082-1999
This standard specifies the technical requirements for safety protection, processing and assembly quality, machine tool idle running test, machine tool accuracy inspection, machine tool load test, marking and instruction manual, packaging, transportation and storage of reciprocating wire (high-speed wire) electric discharge machines. This standard is applicable to reciprocating wire (high-speed wire) electric discharge machines (hereinafter referred to as machine tools) for general purpose and conventional precision mold and parts processing.
2 Referenced standards
The provisions contained in the following references constitute the provisions of this standard through reference in this standard. When this standard was published, the versions shown were valid. All standards are subject to revision and parties using this standard should investigate the possibility of using the most recent versions of the following standards. GB191—1990 Pictorial symbols for packaging, storage and transportation
GB/T5226.1—1996 Electrical equipment for industrial machinery Part 1: General technical conditions Parameters of wire-cutting electric discharge machines
GB/T 7925— 1987
GB/T 7926—1987
GB/T 9061—1988
GB 9969. 1—1998
Accuracy of wire-cutting electric discharge machines
General technical conditions for metal cutting machine tools
General provisions for instructions for use of industrial products
GB/T 13306--1991
GB 13567---1998
Electrical discharge machining machines
Technical requirements for safety protection
GB/T 16769—1997
JB/T 8356,1—1996
JB/T 8356.2—1996
JB/T 8356. 3—1996
JB/T 9875—1999
JB/T 9876—1999||t t||JB/T 9877—1999
3 General requirements
Method for measuring sound pressure level of noise from metal cutting machine tools Technical conditions for machine tool packaging
Machine tool packaging box
Medium and small wooden boxes for machine tool packaging
Metal cutting machine tools
Preparation of random technical documents
Inspection and evaluation of joint surfaces of metal cutting machine tools by color coating Metal cutting machine tools
Determination of cleanliness
When designing and manufacturing machine tools, items not specified in this standard shall also comply with the provisions of GB/T5226.1 and GB/T9061. 4 Accessories and tools
4.1 The following accessories and tools shall be provided with the machine tool: a) 1 set of threading and tightening accessories;
Approved by the State Bureau of Machinery Industry on January 4, 2000, implemented on June 1, 2000
b) 1 set of workpiece fixtures;
c) 1 set of special tools.
4.2 Special accessories may be supplied according to agreement.
5 Safety protection
JB/T 10082—2000
The safety protection requirements for machine tools shall comply with the provisions of GB13567. 6 Machining and assembly quality
6.1—General requirements
6.1.1 Parts that are easily worn by dust and debris, such as the workbench guide rails, wire storage guide rails, wire rack lifting guide rails, and taper mechanism guide rails, shall be equipped with protective devices.
6.1.2 Cleanliness shall be inspected in accordance with the method specified in JB/T9877. a) Sliding and rolling mating surfaces, joint gaps, gear transmission systems, rolling bearings and sliding bearings shall be cleaned during assembly, and no visible dirt, rust, dirt, etc. shall be allowed. b) Chips, debris and visible dirt shall not be allowed in the main machine, electrical box and working fluid tank. 6.1.3 The machined surface of parts shall not have rust, burrs, bumps, scratches and other defects. 6.2 Castings
6.2.1 The following castings are important castings:
a) Bed;
b) Workbench slide and slide seat;
c) Wire rack arm.
6.2.2 Important castings shall be treated to eliminate internal stress. 6.3 Important guide rails
The workbench slide rail, wire storage drum rail and taper mechanism rail are important guide rails, and wear-resistant measures shall be taken. 6.4 Joint surface
6.4.1 The joint surface between the bed and the workbench slide seat, the bed and the wire storage slide seat, the bed and the wire rack seat, and the guide rail and the guide rail seat are important fixed joint surfaces and should fit tightly. After tightening, it should not be inserted when inspected with a 0.04mm feeler gauge. 6.4.2 The joint surface between the workbench guide rail, wire storage drum guide rail, taper mechanism guide rail and its accessories is an important sliding joint surface. In addition to the inspection according to 6.4.2.1~6.4.2.3, it should also be inspected with a 0.04mm feeler gauge. The insertion depth of the feeler gauge between the sliding surfaces of the guide rail, the insert strip, and the end of the pressure plate shall not exceed 20mm.
6.4.2.1 The scraped surface should not have traces of machining and obvious knife marks. When the joint surfaces of the two mating parts are scraped surfaces, the joint surface (grinding tool) of the mating parts is used for color coating inspection, and the scraping points should be uniform. Calculated on average according to the specified calculation area, the number of contact points in each 25mm×25mm area shall not be less than the requirements of Table 1. 6.4.2.2 The contact surface of two mating parts processed by mechanical processing methods shall be tested by the coloring method. The contact should be uniform and the contact index shall not be less than the requirements of Table 2. The inspection and evaluation methods shall be in accordance with the provisions of JB/T9876. Table 1
Joint surface properties
Width of each guide rail mm
Number of contact points
Sliding (rolling) guide rail
Transfer guide rail
Note: The calculation area is determined according to the mass of the machine tool. For machine tools with a mass not exceeding 10°kg, the calculation area is 100cm2; for machine tools with a mass exceeding 10*kg, the calculation area is 300cm2.
Mating surface properties
Over the entire length
Over the entire width
JB/T 10082--2000
Sliding (rolling) guide rails
Transfer guide rails
6.4.2.3 The mating surfaces of two mating parts are one machined surface and the other is a scraped surface. The machined surface of the mating parts shall be used for inspection. The number of contact points of the scraped surface shall not be less than 75% of the number of points specified in Table 1. Plastic-coated guide rails shall comply with the provisions of Table 2. 6.5 Main parts of machine tools
6.5.1 Main parts of machine tools
a) Worktable guide rail pair;
b) CNC axis lead screw pair;
c) Main wheel.
6.5.2 The qualified rate of key items of main parts of machine tools shall reach 100%. 6.5.3 The key items of the main parts of the machine tool include: a) the straightness and hardness of the worktable guide rail; b) the cumulative pitch error and hardness of the lead screw; c) the circular runout and hardness of the bottom diameter of the V-shaped groove of the main wheel and the cone surface to the axis. 6.6 Others
The wire storage cylinder should be dynamically balanced, and the balance level is G2.5. 7 Machine tool idle running test
7.1 The machine tool idle running test shall be carried out according to Table 3. 7.2
Power supply adaptability inspection, anti-interference test, high temperature operation test, electromagnetic compatibility test, noise test, and transportation vibration test are only carried out during routine inspection.
Machine tool electrical appliances
Power-on inspection
Workbench inspection
Wire storage barrel inspection
Power supply adaptability inspection
Pulse power supply parameter inspection
Pulse power supply
and control
Control system function inspection
Anti-interference test
High temperature operation test
After turning on the power, check whether the operation of each indicator light, relay, contactor, etc. is correct and reliable according to the operating procedures specified in the instruction manual
The workbench moves within the full stroke to check flexibility and uniformity. Check the operating force of the handwheel (handle) of the workbenchwww.bzxz.net
Wire storage The drum should be light and flexible for normal speed rotation and reciprocating motion, the commutation should be smooth, the limit should be reliable to adjust the AC voltage, which is 110% and 90% of the rated value respectively. The pulse power supply and control system should run continuously for 2 hours without any fault. According to the design requirements of the machine tool, check the pulse power supply parameters. According to the design requirements of the machine tool, check the control system functions: a) broken wire protection, b) display function; c) power failure memory; d) short circuit retreat; e) automatic positioning; f) automatic comprehensive process; g) others. Under consideration. Run at 40℃±2℃ for 48 hours. The system should work normally 221
Inspection items
Safety protection inspection
Electromagnetic compatibility test
Working fluid system inspection
Noise test
Transport vibration test
8 Machine tool precision inspection
JB/T10082—2000
Table 3 (end)
Before the machine tool is powered on, check the following items:
a) Carry out a continuity test of the protective grounding circuit in accordance with the provisions of 20.2 of GB/T5226.1-1996,
b) Carry out a continuity test of the protective grounding circuit in accordance with the provisions of 20.3 of GB/T5226.1—1996 Conduct insulation resistance test; c) Conduct pressure test according to 20.4 of GB/T5226.1-1996: d) Emergency stop devices and limit elements should operate 5 times, which should be safe and reliable; e) Check according to GB13567 and it should meet the requirements. It should meet the requirements of 6.2.3 of GB13567-1998. Check the following items:
a) There should be no leakage in pipelines, pumps, valves, containers, pipe joints, etc.; b) The pressure valve and flow valve should be sensitive and reliable when adjusted; The pressure gauge and flow meter indications should be sensitive and correct:
c) The working fluid pump should rotate in the correct direction, and the noise pressure level of the machine tool during normal operation shall not be greater than 80dB (A). The measurement method of noise sound pressure level shall be in accordance with the provisions of GB/T16769.
After the factory packaging, the machine tool shall be subjected to the transportation vibration test according to the following a) or b). After the test, the appearance and structure of the equipment shall be checked: the outer packaging box shall not be damaged or deformed; the inner packaging parts and components shall not be loose, damaged or displaced. Power on to conduct electrical performance inspection (appropriate adjustments can be made, but tools such as electric melting iron shall not be used), and the pulse power supply and control system shall be normal. a) Vibration test bench: simulate automobile transportation vibration, the vibration time is 3h; b) Automobile transportation test: the packaged machine tool is fixed in the middle of the car; the car travels 100km at a speed of 30-40km/h on the third-level road.
8.1 The precision inspection of machine tools shall be carried out in accordance with the provisions of GB/T7926. 8.2 After the geometric accuracy and CNC accuracy inspection of the machine tool are qualified, the idling and load tests shall be carried out. After the test, the accuracy must be re-inspected (some items shall be randomly inspected according to the situation).
8.3 When inspecting the geometric accuracy of each moving part, each part shall be manually operated. Mechanisms that are not suitable for manual operation are allowed to be maneuvered at low speed. 8.4 During the inspection process, the mechanisms and parts that affect the performance and accuracy of the machine tool should not be adjusted. Otherwise, the relevant items affected by the adjustment should be re-inspected. 8.5 The inspection should be carried out on the whole machine. Except for the parts, components and accessories that have no effect on the motion accuracy and performance, they should generally not be disassembled for inspection. 9 Machine tool load test
9.1 Before the inspection, the machine tool is allowed to be adjusted once (tools such as files and electric soldering irons are prohibited). 9.2 Maximum load weight operation test of the workbench (routine inspection) The workbench is made to bear the maximum weight specified in GB/T7925, and the workbench should operate normally within the full stroke. 9.3 Continuous processing test
The machine tool should be normal and stable when it is processed and operated for more than 2 hours under the following conditions: Workpiece material: Cr12;
Cutting speed: wa≥60 mm2/min;
Processing method: one-time continuous processing.
Signs and Instructions
JB/T10082—2000
10.1 The machine tool should have signs and labels or signs indicating lubrication, operation, safety, etc. that comply with GB/T13306 and relevant standards. 10.2 The packaging, storage and transportation diagrams of the machine tool should comply with the provisions of GB191 and JB/T8356.1. 10.3 The random technical documents of the machine tool should include: instruction manual, certificate of conformity, packing list. 10.4 The preparation method of random technical documents should comply with the provisions of GB9969.1 and JB/T9875; the random technical documents of the electrical system should comply with the provisions of GB/T5226.1.
Packaging, transportation and storage
11.1 The packaging of the machine tool should comply with the provisions of JB/T8356.1~8356.3. 11.2 The packaged machine tool should be subjected to transportation vibration test (routine inspection) in accordance with Chapter 7. 11.3 The anti-rust period of machine tool storage shall not be less than 18 months.3. Check the following items:
a) Pipelines, pumps, valves, containers, pipe joints, etc. must not leak; b) Pressure valves and flow valves should be sensitive and reliable when adjusted; pressure gauges and flow gauges should indicate sensitive and correct:
c) The working fluid pump should rotate in the correct direction and operate normally. The noise sound pressure level of the machine tool should not be greater than 80dB (A). The noise sound pressure level measurement method shall be in accordance with the provisions of GB/T16769.
The machine tool after factory packaging shall be subjected to transportation vibration test according to the following a) or b), and the appearance and structure of the equipment shall be inspected after the test: the outer packaging box shall not be damaged or obviously deformed; the inner packaging parts and components shall not be loose, damaged or obviously displaced. Power on to conduct electrical performance inspection (appropriate adjustments can be made, but tools such as electric melting irons shall not be used), and the pulse power supply and control system shall be normal. a) Vibration test bench: simulate automobile transportation vibration, vibration time is 3h; b) Automobile transportation test: the packaged machine tool is fixed in the middle of the car; the car travels 100km at 30-40km/h on the third-level road
8.1 The machine tool accuracy inspection shall be carried out in accordance with the provisions of GB/T7926. 8.2 After the machine tool geometric accuracy and CNC accuracy inspection are qualified, the idling and load tests shall be carried out, and the accuracy must be re-inspected after the test (some items shall be randomly inspected according to the situation).
8.3 When inspecting the geometric accuracy of each moving part, each part shall be manually operated. Mechanisms that are not suitable for manual operation are allowed to be maneuvered at low speed. 8.4 During the inspection process, the mechanisms and parts that affect the performance and accuracy of the machine tool should not be adjusted. Otherwise, the relevant items affected by the adjustment should be re-inspected. 8.5 The inspection shall be carried out on the whole machine. Except for the parts, components and accessories that have no effect on the motion accuracy and performance, they should generally not be disassembled for inspection. 9 Load test of machine tools
9.1 Before the inspection, the machine tool is allowed to be adjusted once (it is forbidden to use tools such as files and electric soldering irons). 9.2 Maximum load weight operation test of the workbench (routine inspection) Make the workbench bear the maximum weight specified in GB/T7925, and the workbench should operate normally within the full stroke. 9.3 Continuous processing test
The machine tool should be normal and stable when it is processed and operated for more than 2 hours under the following conditions: Workpiece material: Cr12;
Cutting speed: wa≥60 mm2/min;
Processing method: one-time continuous processing.
Signs and instruction manual
JB/T10082—2000
10.1 The machine tool should have signs that comply with GB/T13306 and relevant standards and signs or signs indicating lubrication, operation, safety, etc. 10.2 The graphic signs for packaging, storage and transportation of machine tools should comply with the provisions of GB191 and JB/T8356.1. 10.3 The random technical documents of the machine tool shall include: instruction manual, certificate of conformity, packing list. 10.4 The preparation method of the random technical documents shall comply with the provisions of GB9969.1 and JB/T9875; the random technical documents of the electrical system shall comply with the provisions of GB/T5226.1.
Packaging, transportation and storage
11.1 The packaging of the machine tool shall comply with the provisions of JB/T8356.1~8356.3. 11.2 The packaged machine tool shall be subjected to the transport vibration test (routine inspection) in accordance with Chapter 7. 11.3 The anti-rust period of the machine tool storage shall not be less than 18 months. 2233. Check the following items:
a) Pipelines, pumps, valves, containers, pipe joints, etc. must not leak; b) Pressure valves and flow valves should be sensitive and reliable when adjusted; pressure gauges and flow gauges should indicate sensitive and correct:
c) The working fluid pump should rotate in the correct direction and operate normally. The noise sound pressure level of the machine tool should not be greater than 80dB (A). The noise sound pressure level measurement method shall be in accordance with the provisions of GB/T16769.
The machine tool after factory packaging shall be subjected to transportation vibration test according to the following a) or b), and the appearance and structure of the equipment shall be inspected after the test: the outer packaging box shall not be damaged or obviously deformed; the inner packaging parts and components shall not be loose, damaged or obviously displaced. Power on to conduct electrical performance inspection (appropriate adjustments can be made, but tools such as electric melting irons shall not be used), and the pulse power supply and control system shall be normal. a) Vibration test bench: simulate automobile transportation vibration, vibration time is 3h; b) Automobile transportation test: the packaged machine tool is fixed in the middle of the car; the car travels 100km at 30-40km/h on the third-level road
8.1 The machine tool accuracy inspection shall be carried out in accordance with the provisions of GB/T7926. 8.2 After the machine tool geometric accuracy and CNC accuracy inspection are qualified, the idling and load tests shall be carried out, and the accuracy must be re-inspected after the test (some items shall be randomly inspected according to the situation).
8.3 When inspecting the geometric accuracy of each moving part, each part shall be manually operated. Mechanisms that are not suitable for manual operation are allowed to be maneuvered at low speed. 8.4 During the inspection process, the mechanisms and parts that affect the performance and accuracy of the machine tool should not be adjusted. Otherwise, the relevant items affected by the adjustment should be re-inspected. 8.5 The inspection shall be carried out on the whole machine. Except for the parts, components and accessories that have no effect on the motion accuracy and performance, they should generally not be disassembled for inspection. 9 Load test of machine tools
9.1 Before the inspection, the machine tool is allowed to be adjusted once (it is forbidden to use tools such as files and electric soldering irons). 9.2 Maximum load weight operation test of the workbench (routine inspection) Make the workbench bear the maximum weight specified in GB/T7925, and the workbench should operate normally within the full stroke. 9.3 Continuous processing test
The machine tool should be normal and stable when it is processed and operated for more than 2 hours under the following conditions: Workpiece material: Cr12;
Cutting speed: wa≥60 mm2/min;
Processing method: one-time continuous processing.
Signs and instruction manual
JB/T10082—2000
10.1 The machine tool should have signs that comply with GB/T13306 and relevant standards and signs or signs indicating lubrication, operation, safety, etc. 10.2 The graphic signs for packaging, storage and transportation of machine tools should comply with the provisions of GB191 and JB/T8356.1. 10.3 The random technical documents of the machine tool shall include: instruction manual, certificate of conformity, packing list. 10.4 The preparation method of the random technical documents shall comply with the provisions of GB9969.1 and JB/T9875; the random technical documents of the electrical system shall comply with the provisions of GB/T5226.1.
Packaging, transportation and storage
11.1 The packaging of the machine tool shall comply with the provisions of JB/T8356.1~8356.3. 11.2 The packaged machine tool shall be subjected to the transport vibration test (routine inspection) in accordance with Chapter 7. 11.3 The anti-rust period of the machine tool storage shall not be less than 18 months. 223
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