Some standard content:
JB/T5102--1999
This standard is equivalent to ISO8206--1991 "Repeat Accuracy and Working Performance Test of Coordinate Gas Cutting Machine". This standard is a revision of JB/T5102-91. Compared with the original standard, the main changes are as follows: the detailed operation method and data requirements for the marking test of the specified graphics (the original comprehensive graphics have been changed) have been added, and two speed requirements have been given.
The test of the verticality and tracking accuracy of the up and down movement trajectory of the cutting torch has been added; the standard content has been added, that is, the circuit, gas interface and dangerous parts are required to have obvious signs; the random file clause has been added,
The warranty period clause has been added.
This standard replaces JB/T5102-91 from the date of implementation. This standard is proposed and managed by the National Technical Committee for Welding Standardization. The main drafting units of this standard are: Harbin Welding Research Institute, Shanghai Isa Hancock Co., Ltd., Harbin Electric Machinery Co., Ltd. Mechanical and Electronic Equipment Branch, Shenzhen Bolichang CNC Cutting Co., Ltd., Baotou Northern Electromechanical Equipment Manufacturing Co., Ltd., and Wutong Hualian Welding and Cutting Equipment Factory.
The main drafters of this standard are: Wen Dehui, Li Naijian, Zhu Baofa, Cao Aiguo, Chen Shuqing, and Wu Qing. 545
1 Scope
Machinery Industry Standard of the People's Republic of China
Coordinate type gas cutting machine
Coordinate type gas cutting machineJB/T 5102—1999
eqv iso 8206-1991
Replace JB/T 5102-91
This standard specifies the classification, model, basic parameters, technical requirements and inspection methods of coordinate type gas cutting machines. This standard applies to fixed straight-type gas cutting machines, photoelectric tracking gas cutting machines and numerically controlled gas cutting machines. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and the parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T5226.11996 Industrial machinery electrical equipment Part 1: General technical conditions JB/T5101—1991 Cutting torch for gas cutting machine
3 Terms
3. 1 Coordinate type gas cutting machine coordinate type gas cutting machine A gas cutting machine in which the cutting torch moves along the longitudinal guide rail and the transverse guide rail separately or the cutting torch makes a combined movement on the longitudinal and transverse guide rails. 3.2 Straight gas cutting machine straight gas cutting machine A gas cutting machine in which the cutting torch moves separately along the longitudinal or transverse guide rails. 3.3 Photoelectric tracing gas cutting machine Photoelectric tracing gas cutting machine A gas cutting machine whose cutting torch moves in proportion to the trajectory tracked by a photoelectric sensor. 3.4 Numerical control gas cutting machine A gas cutting machine whose cutting torch movement trajectory is controlled by digital instructions. 4 Classification
4.1 Coordinate gas cutting machines are divided into straight-moving gas cutting machines, photoelectric tracing gas turning machines and numerical control gas cutting machines according to the movement form and control method of the cutting torch.
4.2 Coordinate gas cutting machine models are composed of Chinese phonetic letters, Roman numerals and Arabic numerals, and the meanings of letters and numbers are as follows: G - represents gas cutting machine;
Type code:
S - represents numerical control type;
2 - represents straight-moving type;
D - represents photoelectric tracing type
When the above types are combined, the above symbols can be used to synthesize, such as S/D. Drive type code:
indicates that the longitudinal movement of the gas cutting machine is a single-sided drive type, and the code can be omitted; 1-- indicates that the longitudinal movement of the gas cutting machine is a double-sided drive type, and the code cannot be omitted. Guohao Machinery Industry Bureau approved 546 on 1999-06-24
2000-01-01 purchase and implementation
The model representation method is as follows:
G xxxx
5 Basic parameters
JB/T 5102---1999
Manufacturers mark characteristic parameters by themselves
Add other cutting energy codes, D: plasma; J: laser. Nominal value of guide rail spacing, mm
Drive type code
-Type code
Gas cutting machine code
The preferred spacing series of the guide rails of the gas cutting machine is shown in Table 1. The gauges not listed in the table are increased according to the R20 series. Table 1 Guide rail spacing series
Straight-type gas cutting machine
CNC gas cutting machine
Photoelectric tracking gas cutting machine
Guide rail spacing series
2000;2240;2500;2800;3150;3550:4000,4500,5000;5600;6300;7100;8000;9000;10000
600:630,710:800;900;10001120:1250;1400;1600;18005.2 The guide rail spacing of the gas cutting machine can also be agreed upon by the supply and demand parties. 6 Technical requirements
6.1 Installation accuracy of guide rails
6.1.1 The tolerance of the straightness of the side of the main guide rail is 0.4mm/10000rmm. 6.1.2 The tolerance of the straightness of the side of the processed auxiliary guide rail is 1mm/20000mm. The tolerance of the straightness of the side of the unprocessed auxiliary guide rail is 6 mm/20000 mm.
6.1.3 The tolerance of the parallelism between the longitudinal rail surface of the main rail and the auxiliary rail and the horizontal plane (hereinafter referred to as horizontal accuracy) is ±0.2mm/1000mm. The tolerance of horizontal accuracy within a length of 50000mm is ±2mm. 6.1.4 The tolerance of the horizontal accuracy of the transverse rail surface of the main rail is ±0.1mm/1000mm. The horizontal accuracy tolerance of the lateral surface of the auxiliary guide rail is 0.2 mm/1000 mm.
6.1.5 When the gauge of the main guide rail and the auxiliary guide rail is less than or equal to 10000mm, the flatness tolerance of the two rail surfaces is 1mm: when the gauge is greater than 10000mm, the flatness tolerance of the two rail surfaces is 2mm. 6.1.6 Within the entire guide rail length range, the parallelism tolerance between the main guide rail and the auxiliary guide side is 4mm. 6.2 Rated stroke size
The rated stroke size includes the cutting torch height adjustment stroke, effective cutting width and effective cutting length. 6.2.1 The cutting torch height adjustment stroke should be greater than the rated stroke by 3mm. 6.2.2 The effective cutting width should be greater than the rated cutting width by 10mm. 6.2.3 The effective cutting length should be greater than the rated cutting length by 20mm. 6.3 Working accuracy
6.3.1 When the photoelectric tracking gas cutting machine is marked with the cutting gap compensation of 0 and the profiling ratio of 1:1, the profiling accuracy tolerance is ±0.4mm, and the tolerance at the corner is ±0.8mm.
6.3.2 When the photoelectric tracking gas cutting machine is marked with the cutting gap compensation of 0 and the enlarged figure, the profiling accuracy tolerance is ±1.5mm. 6.3.3 The cutting torch movement accuracy of the CNC gas cutting machine shall be inspected according to the specified figure and meet the requirements of Table 2. 547
Intersection offset
Straightness
Diagonal difference
Single-sided drive
JB/T 5102-1999
Table 2 Specified graphic marking inspection requirements for CNC gas cutting machines
1000mm/min
Double-sided drive
6000 mm/min
Note: The specified speed is 1000 m/min and the calibrated speed is 6000 mm/min. 0. 4
The intersection of more than three lines
The corners are the focus
6.3.4 The photoelectric tracking and straight-line gas cutting machines use the rated cutting width (when greater than or equal to 3000mm, 3000mm) to draw a square, and the tolerance of the difference between the two diagonals is 0.5mm6.3.5 The verticality of the up and down movement trajectory of the cutting torch of the CNC gas cutting machine shall be inspected according to the prescribed inspection method, and the tolerance of the dial indicator reading is 0.2mm. 6.3.6 The tracking accuracy of the up and down movement trajectory of the cutting torch of the CNC gas cutting machine shall be inspected according to the prescribed inspection method, and the tolerance of the dial indicator reading is 1mm. 6.3.7 The straightness tolerance of the straight-line cutting machine is 0.4mm/10000mm. 6.3.8 The verticality of the longitudinal and lateral movement of the cutting torch of the straight-line cutting machine shall be tested by marking a square according to the rated cutting width. If the rated cutting width is equal to or greater than 4000mm, a square of 4000mmX4000mm shall be drawn, and the diagonal tolerance is 2mm. 6.3.9 When the photoelectric tracking and CNC gas cutting machines cut parts with 30° angle graphics, and the straight-line gas cutting machine cuts straight seams, the cutting depth of the cutting surface shall be less than or equal to 80um.
6.4 Gas circuit
6.4.1 The gas circuit should be able to ensure the gas flow and pressure of the rated cutting thickness. 6.4.2
The gas tightness of the cutting torch and gas circuit equipped with the gas cutting machine should meet the requirements of JB/T5101. 6.5 Electrical control
6.5.1 The control circuit should be subjected to insulation test and should meet the requirements of 20.3 in GB/T5226.1-1996. 6.5.2
When the network voltage fluctuates by ±10%, the change rate of the cutting torch running speed should be less than or equal to ±10%. Inspection method
7.1 Inspection of guide rail installation accuracy
7.1.1 The straightness of the side of the main guide and the auxiliary guide shall be tested as shown in Figure 1. Tension the steel wire of 0.5mm at both ends of the guide rail, adjust the steel wire so that the distance between the side of the guide rail and the steel wire is consistent, and measure the straightness with an adjustment pin and a feeler gauge or a reading microscope at every 1000mm. The straightness must meet the requirements of 6.1.1 and 6.1.2. Figure 1 Inspection of the straightness of the guide rail
7.1.2 The horizontal accuracy of the main guide rail and the auxiliary guide rail shall be inspected according to the method shown in Figure 2. Use a level with an accuracy of 0.05mm/1000mm to inspect the longitudinal and transverse directions at every 1000mm interval. The horizontal accuracy shall meet the requirements of 6.1.3 and 6.1.4. 548
JB/T5102-—1999
Figure 2 Test of horizontal accuracy of guide rail
7.1.3 The flatness of the main guide rail and the auxiliary guide rail surface shall be tested with a theodolite with a horizontal accuracy of 3 ± 2. The two ends and six points in the middle of the guide rail shall be tested. The flatness shall meet the requirements of 6.1.5. 7.1.4 The parallelism between the sides of the main guide rail and the auxiliary guide rail shall be tested as shown in Figure 3. Use the same steel tape measure to measure the two ends and three middle parts of the guide rail at a tension of 10N. The parallelism shall meet the requirements of 6.1.6. Figure 3 Inspection of parallelism of guide rail side
7.2 Inspection of working accuracy
7.2.1 The photoelectric tracking gas cutting machine shall mark 250mm×250mm, or 500mm×500mm or 1000mm×1000mm squares in both forward and reverse directions at three speeds: 300mm/min, 1/2 rated maximum cutting speed and rated maximum cutting speed; measure the actual marking size and compare it with the sample size and it shall meet the requirements of 6.3.1 and 6.3.2. 7.2.2 When the CNC gas cutting machine is marking the cutting torch motion accuracy according to the specified figure (see Figure 4), the following points should be noted and the requirements of Table 2 should be met:
Figure 4 CNC gas cutting machine marking with specified figure
a) One side of the outer square is consistent with the longitudinal motion direction of the cutting torch of the gas cutting machine; E. The line segment shall not be divided to mark:
c) The inner square at a 45° angle with the outer square and the star with 8 vertices should be drawn in one stroke; d) The inscribed circle with the outer square should be drawn in one stroke clockwise; e) The other circle should be drawn counterclockwise.
7.2.3 The verticality of the longitudinal and transverse motion trajectories of the cutting torch of the straight-type gas cutting machine and the photoelectric tracking gas cutting machine shall be checked according to the method in Figure 5. The photoelectric tracking gas cutting machine allows manual marking, and the difference between the two diagonal lines measured Aa-la1-a21 shall meet the requirements of 6.3.4. 549
JB/T5102—1999
Figure 5 Inspection of the verticality of the longitudinal and transverse movement trajectory of the cutting torch 7.2.4 The verticality of the vertical movement trajectory of the cutting torch of the CNC gas turning machine is shown in Figure 6. Install a dial indicator at the clamping position of the cutting torch, place a cylinder with an outer diameter of 70mm on a horizontal platform (the generatrix of the cylinder is perpendicular to the end face), press the dial indicator contact on the generatrix of the cylinder, move up and down 50mm, and read the maximum difference of the dial indicator, which should meet the requirements of 6.3.5. 1—Digital indicator; 2—Clamping position of the cutting torch, 3-Cylinder Figure 6 Inspection of the verticality of the vertical movement trajectory of the cutting torch 7.2.5 Inspection of the tracking accuracy of the vertical movement of the cutting torch As shown in Figure 7, on an inclined flat plate, at the rated maximum cutting speed, make the height detector move in a circle with a diameter of 500mm, read the maximum difference and compare it with the theoretical difference, which should meet the requirements of 6.3.6. 1—cutting torch + 2—cutting torch holder: 3 dial gauge stand: 4—dial gauge Figure 7 Inspection of tracking accuracy of cutting torch up and down movement
7.2.6 For straight-line gas cutting machine, draw straight lines at 1/3.1/2 of the maximum cutting speed and the maximum cutting speed, and the measured straightness shall meet the requirements of 6.3.7.
7.2.7 For straight-line gas cutting machine, use a marking pen to draw two parallel long lines in the longitudinal direction according to the maximum working width, and use a compass with a radius of at least 3m to draw two perpendicular lines with equal spacing to the width on the two long lines to form a square, measure the two diagonals, and the calculated absolute value shall meet the requirements of 6.3.8. 7.2.8 The plate thickness range of low-carbon steel specimens cut by photoelectric tracking and CNC gas cutting machines is 1620mm. Cut out a figure with a 30° angle as shown in Figure 8, and the cut surface of the specimen after cutting shall meet the requirements of 6.3.9. 550
8 Acceptance rules
JB/T5102--1999
Figure 8 Cutting surface quality inspection figure
8.1 Before the coordinate gas cutting machine leaves the factory, each unit shall be inspected item by item, and can only leave the factory after passing the inspection. 8.2 During the user's acceptance, after the installation is completed at the installation site designated by the user, various data and performances can be inspected or sampled according to the standards and user agreements, and the user shall supervise on site. The following methods can be selected for acceptance: a) The user can accept according to the inspection report issued by the relevant testing agency; b) The user can entrust the relevant testing agency to accept on his behalf. 9 Marking, packaging, storage
9.1 The gas circuit, circuit interface and dangerous parts of the coordinate gas cutting machine should be clearly marked; the label should indicate the model, name, factory date, factory self-number, main technical parameters, factory name and address, etc. 9.2 Anti-vibration, fixing and rainproof measures should be taken when packing the coordinate gas cutting machine (including accessories and spare parts) to meet the requirements of transportation and outdoor storage.
9.3 The technical documents provided with the gas cutting machine should at least include: a) packing list;
b) factory qualification certificate of the machine;
c) factory acceptance report;
d) operation and maintenance instructions and related documents and drawings; e) product warranty certificate.
9.4 The storage environment should be dry and ventilated, and no corrosive and flammable gases are allowed. 5512 When the CNC gas cutting machine is marking according to the specified figure (see Figure 4) to check the movement accuracy of the cutting torch, the following points should be noted and the requirements of Table 2 should be met:
Figure 4 CNC gas cutting machine marking with specified figure
a) One side of the outer square is consistent with the longitudinal movement direction of the cutting torch of the gas cutting machine; E. The line segment shall not be divided to mark: bzxz.net
c) The inner square at a 45° angle with the outer square and the star with 8 vertices must be drawn in one stroke; d) The inscribed circle with the outer square must be drawn in one stroke clockwise; e) The other circle must be drawn counterclockwise.
7.2.3 The verticality of the longitudinal and transverse movement tracks of the cutting torch of the straight-type gas cutting machine and the photoelectric tracking gas cutting machine shall be checked according to the method in Figure 5. The photoelectric tracking gas cutting machine allows manual marking, and the difference between the two diagonal lines measured Aa-la1-a21 shall meet the requirements of 6.3.4. 549
JB/T5102—1999
Figure 5 Inspection of the verticality of the longitudinal and transverse movement trajectory of the cutting torch 7.2.4 The verticality of the vertical movement trajectory of the cutting torch of the CNC gas turning machine is shown in Figure 6. Install a dial indicator at the clamping position of the cutting torch, place a cylinder with an outer diameter of 70mm on a horizontal platform (the generatrix of the cylinder is perpendicular to the end face), press the dial indicator contact on the generatrix of the cylinder, move up and down 50mm, and read the maximum difference of the dial indicator, which should meet the requirements of 6.3.5. 1—Digital indicator; 2—Clamping position of the cutting torch, 3-Cylinder Figure 6 Inspection of the verticality of the vertical movement trajectory of the cutting torch 7.2.5 Inspection of the tracking accuracy of the vertical movement of the cutting torch As shown in Figure 7, on an inclined flat plate, at the rated maximum cutting speed, make the height detector move in a circle with a diameter of 500mm, read the maximum difference and compare it with the theoretical difference, which should meet the requirements of 6.3.6. 1—cutting torch + 2—cutting torch holder: 3 dial gauge stand: 4—dial gauge Figure 7 Inspection of tracking accuracy of cutting torch up and down movement
7.2.6 For straight-line gas cutting machine, draw straight lines at 1/3.1/2 of the maximum cutting speed and the maximum cutting speed, and the measured straightness shall meet the requirements of 6.3.7.
7.2.7 For straight-line gas cutting machine, use a marking pen to draw two parallel long lines in the longitudinal direction according to the maximum working width, and use a compass with a radius of at least 3m to draw two perpendicular lines with equal spacing to the width on the two long lines to form a square, measure the two diagonals, and the calculated absolute value shall meet the requirements of 6.3.8. 7.2.8 The plate thickness range of low-carbon steel specimens cut by photoelectric tracking and CNC gas cutting machines is 1620mm. Cut out a figure with a 30° angle as shown in Figure 8, and the cut surface of the specimen after cutting shall meet the requirements of 6.3.9. 550
8 Acceptance rules
JB/T5102--1999
Figure 8 Cutting surface quality inspection figure
8.1 Before the coordinate gas cutting machine leaves the factory, each unit shall be inspected item by item, and can only leave the factory after passing the inspection. 8.2 During the user's acceptance, after the installation is completed at the installation site designated by the user, various data and performances can be inspected or sampled according to the standards and user agreements, and the user shall supervise on site. The following methods can be selected for acceptance: a) The user can accept according to the inspection report issued by the relevant testing agency; b) The user can entrust the relevant testing agency to accept on his behalf. 9 Marking, packaging, storage
9.1 The gas circuit, circuit interface and dangerous parts of the coordinate gas cutting machine should be clearly marked; the label should indicate the model, name, factory date, factory self-number, main technical parameters, factory name and address, etc. 9.2 Anti-vibration, fixing and rainproof measures should be taken when packing the coordinate gas cutting machine (including accessories and spare parts) to meet the requirements of transportation and outdoor storage.
9.3 The technical documents provided with the gas cutting machine should at least include: a) packing list;
b) factory qualification certificate of the machine;
c) factory acceptance report;
d) operation and maintenance instructions and related documents and drawings; e) product warranty certificate.
9.4 The storage environment should be dry and ventilated, and no corrosive and flammable gases are allowed. 5512 When the CNC gas cutting machine is marking according to the specified figure (see Figure 4) to check the movement accuracy of the cutting torch, the following points should be noted and the requirements of Table 2 should be met:
Figure 4 CNC gas cutting machine marking with specified figure
a) One side of the outer square is consistent with the longitudinal movement direction of the cutting torch of the gas cutting machine; E. The line segment shall not be divided to mark:
c) The inner square at a 45° angle with the outer square and the star with 8 vertices must be drawn in one stroke; d) The inscribed circle with the outer square must be drawn in one stroke clockwise; e) The other circle must be drawn counterclockwise.
7.2.3 The verticality of the longitudinal and transverse movement tracks of the cutting torch of the straight-type gas cutting machine and the photoelectric tracking gas cutting machine shall be checked according to the method in Figure 5. The photoelectric tracking gas cutting machine allows manual marking, and the difference between the two diagonal lines measured Aa-la1-a21 shall meet the requirements of 6.3.4. 549
JB/T5102—1999
Figure 5 Inspection of the verticality of the longitudinal and transverse movement trajectory of the cutting torch 7.2.4 The verticality of the vertical movement trajectory of the cutting torch of the CNC gas turning machine is shown in Figure 6. Install a dial indicator at the clamping position of the cutting torch, place a cylinder with an outer diameter of 70mm on a horizontal platform (the generatrix of the cylinder is perpendicular to the end face), press the dial indicator contact on the generatrix of the cylinder, move up and down 50mm, and read the maximum difference of the dial indicator, which should meet the requirements of 6.3.5. 1—Digital indicator; 2—Clamping position of the cutting torch, 3-Cylinder Figure 6 Inspection of the verticality of the vertical movement trajectory of the cutting torch 7.2.5 Inspection of the tracking accuracy of the vertical movement of the cutting torch As shown in Figure 7, on an inclined flat plate, at the rated maximum cutting speed, make the height detector move in a circle with a diameter of 500mm, read the maximum difference and compare it with the theoretical difference, which should meet the requirements of 6.3.6. 1—cutting torch + 2—cutting torch holder: 3 dial gauge stand: 4—dial gauge Figure 7 Inspection of tracking accuracy of cutting torch up and down movement
7.2.6 For straight-line gas cutting machine, draw straight lines at 1/3.1/2 of the maximum cutting speed and the maximum cutting speed, and the measured straightness shall meet the requirements of 6.3.7.
7.2.7 For straight-line gas cutting machine, use a marking pen to draw two parallel long lines in the longitudinal direction according to the maximum working width, and use a compass with a radius of at least 3m to draw two perpendicular lines with equal spacing to the width on the two long lines to form a square, measure the two diagonals, and the calculated absolute value shall meet the requirements of 6.3.8. 7.2.8 The plate thickness range of low-carbon steel specimens cut by photoelectric tracking and CNC gas cutting machines is 1620mm. Cut out a figure with a 30° angle as shown in Figure 8, and the cut surface of the specimen after cutting shall meet the requirements of 6.3.9. 550
8 Acceptance rules
JB/T5102--1999
Figure 8 Cutting surface quality inspection figure
8.1 Before the coordinate gas cutting machine leaves the factory, each unit shall be inspected item by item, and can only leave the factory after passing the inspection. 8.2 During the user's acceptance, after the installation is completed at the installation site designated by the user, various data and performances can be inspected or sampled according to the standards and user agreements, and the user shall supervise on site. The following methods can be selected for acceptance: a) The user can accept according to the inspection report issued by the relevant testing agency; b) The user can entrust the relevant testing agency to accept on his behalf. 9 Marking, packaging, storage
9.1 The gas circuit, circuit interface and dangerous parts of the coordinate gas cutting machine should be clearly marked; the label should indicate the model, name, factory date, factory self-number, main technical parameters, factory name and address, etc. 9.2 Anti-vibration, fixing and rainproof measures should be taken when packing the coordinate gas cutting machine (including accessories and spare parts) to meet the requirements of transportation and outdoor storage.
9.3 The technical documents provided with the gas cutting machine should at least include: a) packing list;
b) factory qualification certificate of the machine;
c) factory acceptance report;
d) operation and maintenance instructions and related documents and drawings; e) product warranty certificate.
9.4 The storage environment should be dry and ventilated, and no corrosive and flammable gases are allowed. 551
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