JB/T 3185.1-1999 Technical requirements for small and medium-sized three-roller plate rolling machines

JB/T 3185.1-1999 This standard is a revision of JB 3185-82 "Technical Conditions for Small and Medium-sized Three-roll Plate Rolling Machines". During the revision, the gear accuracy grade was adjusted according to the relevant standards; the specific material requirements were deleted; and the requirements for rolling temperature rise and important fixed joint surfaces were modified. This standard specifies the technical requirements, test methods and inspection rules for small and medium-sized three-roll plate rolling machines. This standard is applicable to small and medium-sized three-roll plate rolling machines that cold roll plates into round and conical cylinders. This standard was first issued in May 1982. JB/T 3185.1-1999 Technical Conditions for Small and Medium-sized Three-roll Plate Rolling Machines JB/T3185.1-1999 Standard download decompression password: www.bzxz.net

ICS25.120.10
Machinery Industry Standard of the People's Republic of China
JB/T3185.1-1999
Technical Conditions for Small and Medium-sized Three-roll Plate Bending Machines
Published on 1999-05-14
State Bureau of Machinery Industry
Implementation on 2000-01-01
JB/T3185.1-1999
This standard is a revision of JB318582 "Technical Conditions for Small and Medium-sized Three-roll Plate Bending Machines". The main differences between this standard and JB318582 are:
According to the gear standards (GB/T10095-1988, GB/T10089-1988, GB/T1365-1989 and GB/T157531995), the accuracy grade of gears has been adjusted; the requirements for specific materials have been deleted;
- The legal unit of measurement symbols have been adopted:
- The temperature and temperature rise of rolling bearings have been modified; the requirements for important fixed joint surfaces have been modified
This standard will be implemented from January 1, 2000, and this standard will replace JB318582 from the date of implementation. This standard is proposed and managed by the National Technical Committee for Standardization of Forging Machinery. The drafting units of this standard are Changzhi Forging Machine Tool Factory and Liaoyang Forging Machine Tool Co., Ltd. This standard was first issued in May 1982.
1 Scope
Machinery Industry Standard of the People's Republic of China
Technical Conditions for Small and Medium-sized Three-roll Plate Rolling Machines
This standard specifies the technical requirements, test methods and inspection rules for small and medium-sized three-roll plate rolling machines. JB/T3185.1-1999
Replaces JB318582
This standard applies to small and medium-sized three-roll plate rolling machines (hereinafter referred to as plate rolling machines) that cold roll plates into round and conical cylinders. 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 are subject to revision, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB191—1990
GB/T 1184—1996
GB/T1801—1979
GB/T1804—1992
GB/T5226.1—1996
GB /T65761986
GB/T7935—1987
GB/T100891988
GB/T100951988
GB/T 11365—1989
GB/T133061991
GB/T 157531995
JB/T1829—1997
JB/T8356.1—1996
JB/T8797—1998
JB9971—1999
3 Technical requirements
Packaging, storage and transportation pictorial symbols
Shape and position tolerances Unindicated tolerance values
Tolerances and fits Dimensions up to 500mm Tolerance zones and fits for holes and shafts General tolerances Unindicated tolerances for linear dimensions
Industrial machinery and electrical equipment Part 1 : General technical conditions Machine tool lubrication system
Hydraulic components: General technical conditions
Cylindrical worm and worm wheel accuracy
Involute cylindrical gear accuracy
Bevel gear and hypoid gear accuracy
Arc cylindrical gear accuracy
General technical conditions for forging machinery
Machine tool packaging technical conditions
Types and basic parameters of small and medium-sized three-roller plate rolling machines Noise limits for pipe bending machines and small and medium-sized three-roller plate rolling machines 3.1 The types and basic parameters of plate rolling machines shall comply with the provisions of JB/T8797. 3.2 The plate rolling machines shipped from the factory shall ensure completeness and be equipped with special accessories and spare wearing parts required for the normal use and maintenance of the plate rolling machines. Special accessories shall be agreed upon by the user and the manufacturer, and shall be supplied randomly or ordered separately. 3.3 Plate rolling machines shall meet safety technical requirements. For example, exposed rotating gears and pulleys that may affect personal safety should be equipped with protective devices; when the roller rises or falls to the limit position, it should be equipped with a limit device; parts that may automatically loosen should be equipped with reliable anti-loosening devices. 3.4 The manufacturer should ensure that the purchased parts (including electrical, hydraulic, pneumatic components, etc.) for the plate rolling machine meet the current standards or obtain a certificate of conformity, and carry out operation tests at the same time as the plate rolling machine. Approved by the State Bureau of Machinery Industry on May 14, 1999, implemented on January 1, 2000
JB/T3185.1—1999
3.5 The plate rolling machine should generally have various signs and logos such as lubrication, operation (mechanical, electrical, hydraulic, etc.) and safety. The signs and logos should remain clear for a long time. The type and size of the name sign should comply with the provisions of GB/T13306. 3.6 The roller of the plate rolling machine should have sufficient rigidity. When bending a cylinder with the maximum specification and minimum bending diameter, the deflection of the upper roller should not be greater than L/1000, and the deflection of the lower roller should not be greater than L/700. Note: L is the distance between the centers of the two bearings, unit: mm3.7 The length of the working part of the roller should be greater than the maximum width of the bent plate specification by 50~100mm. 3.8 The deviation of the rolling speed of the plate rolling machine is 5% of the specified speed. 3.9 The movement of the turning mechanism of the plate rolling machine should be light and flexible, and the locking device should be reliable. 3.10 Requirements for the quality of important parts
3.10.1 The material properties and heat treatment of each important part of the plate rolling machine should comply with the provisions of the technical documents. 3.10.2 The roller should be subjected to ultrasonic flaw detection and comply with relevant regulations. 3.10.3 All castings, forgings and welded parts on the plate rolling machine should comply with the provisions of relevant current standards. 3.11 Processing and assembly quality
3.11.1 Frame
a) The machining accuracy of the sliding mating surface shall not be lower than the 9th grade tolerance specified in GB/T1801; the verticality to its reference end face shall not be lower than the 8th grade tolerance specified in GB/T1184:
b) The verticality of the axis of the rotating mating hole to its reference end face shall not be lower than the 8th grade tolerance specified in GB/T1184. ) For symmetrical plate rolling machines, the parallelism of the axes of the two shaft holes and the symmetry to the center of the frame shall not be lower than the 9th grade tolerance specified in GB/T1184.
3.11.2 Roller
a) The machining accuracy of the journal position shall not be lower than the 9th grade tolerance specified in GB/T1801; the cylindricity shall not be lower than the 9th grade tolerance specified in GB/1184: the surface roughness shall not be lower than R1.6um. b) The cylindricity of the working part and the coaxiality of the two journals shall not be lower than the 9th grade tolerance specified in GB/T1184. 3.11.3 Roller bearing body
a) The symmetry of the bearing hole to the sliding guide surface shall not be lower than the 9th grade tolerance specified in GB/T1184: the perpendicularity to its reference end surface shall not be lower than the 8th grade tolerance specified in GB/T1184. b) The perpendicularity of the pin hole to the guide surface shall not be lower than the 8th grade tolerance specified in GB/T1184. 3.11.4 Important fixed joint surfaces, such as the connection parts of the frame and the box body, should fit tightly. Use a 0.05mm feeler gauge for inspection. Only partial insertion of the feeler gauge is allowed. The insertion depth shall not exceed 1/4 of the width of the contact surface. The cumulative length of the feeler gauge that can be inserted between the contact surfaces shall not exceed 1/10 of the circumference. 3.11.5 The axial misalignment of the meshing gears shall not be greater than the provisions of Table 1. Table 1
Tooth width B
B≤100
Axial misalignment
3.11.6 The transmission accuracy of cylindrical, conical, arc gears and worm gears shall not be lower than that specified in Table 2. 2
Cylindrical gears
Bevel gears
Circular arc gears
Worm gear transmission
JB/T3185.1-1999
Standard number of transmission tolerance
GBT100951988
GBT 113651995
GBT157531995
GBT100891988
Accuracy grade combination
8-8-7F8 (closed)
8-D8 (open)
9.98F8 (closed)
10-9-8-D8 (open)
3.11.7 When the gear transmission mechanism, electrical, hydraulic, pneumatic components, etc. are working, there shall be no irregular impact sound and periodic screaming sound. 3.11.8 The noise of the plate rolling machine shall comply with the provisions of JB9971, and the measurement method shall comply with the provisions of relevant standards. 3.11.9 The plate rolling machine shall have a reliable lubrication device to ensure that all operating parts are properly lubricated, and the lubrication shall comply with the provisions of GB/T6576.
3.11.10 The transmission device of the plate rolling machine should operate smoothly without any obstruction. 3. 11.11
The cleanliness of the main transmission parts of the plate rolling machine shall comply with relevant regulations. 3. 11. 12
There shall be no leakage of oil and water in the hydraulic, lubrication and cooling systems, and there shall be no leakage in the gas pipeline system. 3.11.13 The roller sleeve shall be inspected by the color coating method. The contact shall be uniform, and the cumulative value of the contact area shall be not less than 70% of the axial length of the sleeve. 3.11.14 All parts on the plate rolling machine shall meet the quality requirements. Parts such as gaskets and sleeves not specified in the drawings shall not be placed. 3.11.15
The surface of the processed parts shall not have defects such as rust, burrs, bumps, scratches, etc. 3.11.16 Cast iron parts, steel castings, forgings (except rollers), welded parts, and non-ferrous metal castings are allowed to be repaired in accordance with the specified technical documents for defects that do not affect the use and appearance, provided that the quality is guaranteed. 3.11.17 The scale lines, numbers and marks on the scale part of the parts should be accurate and clear. If chrome plating is used, it should be matte chrome plating. 3.12 The electrical system of the plate rolling machine should comply with the relevant provisions in GB/T5226.1. 3.13 Quality of hydraulic and pneumatic devices
3.13.1 The quality of the hydraulic components of the plate rolling machine should comply with the provisions of GB/T7935. 3.13.2 The quality of the pneumatic components of the plate rolling machine should comply with the provisions of the current standards. 3.13.3 The hydraulic transmission components should not creep, vibrate, stagnate or have significant impact within the working speed range. 3.13.4 When the hydraulic system is working, the oil temperature in the oil tank should generally not be higher than 50°C. After continuous full-load operation for 4 hours, the oil temperature in the oil tank should not be higher than 60°C.
3.14 Appearance quality of the plate rolling machine
3.14.1 The appearance structure of the plate rolling machine should be reasonable and beautiful. 3.14.2 The surface of the plate rolling machine shall not have protrusions, depressions and roughness not specified in the drawings. There shall be no edge unevenness at the joints between the plate material and the cast doors and covers.
3.14.3 The painting requirements of the plate rolling machine shall comply with the provisions of JB/T1829. 3.14.4 The external pipelines of the electrical circuit, gas pipeline, lubrication system and hydraulic system shall be installed along the outer contour of the machine, and there shall be no friction with the parts that have relative movement with it.
3.14.5 Countersunk screws should not protrude from the outer surface of parts: The fixing pin should generally protrude slightly from the outer surface of parts: The tail end of the bolt should protrude from the nut 3
JB/T3185.1-1999
, and the protruding part is slightly larger than the chamfer value: The exposed shaft end should protrude from the end face of the containing part, and the protruding value is approximately the chamfer value 3.14.6 Various signs on the plate rolling machine should be clear: The nameplate should be fixed in a conspicuous position and be flat and firm: The literature on the nameplate should comply with relevant regulations.
4 Test methods and inspection rules
4.1 Each plate rolling machine can only leave the factory after being inspected and qualified by the quality inspection department of the manufacturer. 4.2 The plate rolling machine should be tested for the following items at the manufacturer: a) Inspection of type, basic parameters and size specifications: b) Idle operation test;
) Load test, overload test;
d)) Accuracy inspection.
After the plate rolling machine's idle running test, load test and overload test: the accuracy must be inspected. For plate rolling machines that have difficulty in the above inspections at the manufacturer, they are allowed to be inspected at the user factory with the consent of the user. 4.3 Inspection of plate rolling machine types, basic parameters and dimensional specifications The basic parameter inspection of plate rolling machines should be carried out under no-load conditions and comply with the provisions of JB/T8797. Random inspections are allowed for batch-produced standard plate rolling machines, with the number of random inspections per batch not less than 10%, but not less than one. The dimensional deviation of the plate rolling machine refers to the dimensional deviation between the two machined surfaces being inspected (non-machined surfaces are not inspected), and is inspected according to the m level in GB/T1804.
4.4 Idle running test of plate rolling machine
Each plate rolling machine shall be tested for idle running. 4.4.1 Provisions for idle running time
The idle running time of the plate rolling machine shall not be less than 4h, of which the continuous running time of the main drive shall not be less than 2h, the single running time of the main drive shall not be less than 1h, and the single running time of the auxiliary drive shall not be less than 1h. 4.4.2 Specifications for idle running test
When the main drive of the plate rolling machine is running continuously, the roller surface of the driven roller shall contact the roller surface of the active roller, so that the three rollers rotate at the same time, and the rotation direction is unidirectional. During the single running time of the main drive, the forward and reverse running tests shall be carried out, and the cumulative time shall not be less than 0.5h. When the main drive is tested for a single running, the number of times the brake is engaged is 5min-! . During the single running time of the auxiliary drive, the lifting and lowering test, the tilting test and the tilting test of the spool shall be carried out. When conducting a single operation test of the auxiliary transmission, the cumulative time of the roller lifting and lowering tests shall not be less than 0.5h, and the number of roller tilting tests and tilting operation tests shall not be less than five times.
4.4.3 During the idling time, the temperature rise of the sliding bearing shall not be greater than 35℃, and the maximum temperature shall not be higher than 70℃; the temperature rise of the rolling bearing shall not be greater than 40℃, and the maximum temperature shall not exceed 70℃. 4.4.4 During the single stroke idling test of the brake and clutch, the action shall be smooth and coordinated, and the friction plate (block) shall not be burned during the test.
4.4.5 The working mechanism and operating mechanism of the entire plate rolling machine shall be coordinated with each other, and all working standard actions shall be smooth and reliable. 4.4.6 The noise sound pressure level of the plate rolling machine shall comply with the provisions of 3.11.8. 4.4.7 The electrical, hydraulic, gas, lubrication and cooling systems and their ancillary devices shall be normal and reliable under working conditions. 4
JB/T3185.11999
Liquid and gas pipelines in the working system should not have blockage and leakage. 4.5 Plate rolling machine load test, overload test 4.5.1 Each plate rolling machine should generally be tested at full load according to the "minimum bending diameter at maximum specification" specified in the technical documents. The number of tests should not be less than three times:
a) The actions of all mechanisms and working systems should be coordinated: b) The re-test accuracy should meet the requirements.
4.5.2 For new or updated products, an overload test should be carried out at 120% of its bending capacity, and the number of tests should not be less than three times. Random inspection is allowed for batch-produced finalized products, and the number of random inspections for each batch should not be less than 10%, but not less than one. During the test, all mechanisms should work normally and parts should not be damaged. The overload safety device should be sensitive and reliable. 4.5.3 For new or updated products, a cone test should also be conducted, and its rigidity should be measured under full load, and it should comply with relevant regulations.
4.6 Plate rolling machine accuracy inspection
Each plate rolling machine must be inspected for accuracy according to the provisions of the current standards before leaving the factory. Before the accuracy inspection, its installation level should be adjusted, and its longitudinal and lateral horizontal errors should not be greater than 0.20/1000. During the accuracy inspection, adjustments to the mechanisms and parts that affect the accuracy are not allowed. The actual data of the accuracy inspection after the load test is qualified should be recorded in the plate rolling machine factory certificate. 5 Marking, packaging and transportation
5.1 The rust prevention of parts and spare parts of the plate rolling machine shall comply with the relevant provisions of JB/T1829. 5.2 The packaging of the plate rolling machine shall comply with the provisions of JB/T8356.1. 5.3 The storage and transportation indication symbols on the plate rolling machine packaging box should comply with the provisions of GB191. 5.4 Each plate rolling machine should be accompanied by the following technical documents: a) Instruction manual (including instruction manual for auxiliary machines, etc.); b) Certificate of conformity;
e) Packing list.
Mechanical Industry Standard
Technical Specifications for Small and Medium-sized Three-roll Plate Bending Machines
JB/T3185.11999
Published by the Machinery Standardization Research Institute of the Ministry of Machinery Industry Printed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry (No. 2 Shouti South Road, Beijing: Postal Code 100044)*
Format 880×1230
Sheet 1/2
Word Count 12000
First Edition in September 1999
First Printing in September 1999
Print Quantity 1-500
Price 500 Yuan
99-53212 The electrical system of the plate rolling machine shall comply with the relevant provisions of GB/T5226.1. 3.13 Quality of hydraulic and pneumatic devices
3.13.1 The quality of the hydraulic components of the plate rolling machine shall comply with the provisions of GB/T7935. 3.13.2 The quality of the pneumatic components of the plate rolling machine shall comply with the provisions of the current standards. 3.13.3 The hydraulic transmission components shall not creep, vibrate, stagnate or have significant impact within the working speed range. 3.13.4 When the hydraulic system is working, the oil temperature in the oil tank shall generally not be higher than 50°C. After continuous full-load operation for 4 hours, the oil temperature in the oil tank shall not be higher than 60°C.
3.14 Appearance quality of the plate rolling machine
3.14.1 The appearance structure of the plate rolling machine shall be reasonable and beautiful. 3.14.2 The surface of the plate rolling machine shall not have protrusions, depressions or roughness not specified in the drawings. There shall be no uneven edges at the joints between the sheet and the cast doors and covers.
3.14.3 The painting requirements of the plate rolling machine shall comply with the provisions of JB/T1829. 3.14.4 The external pipelines of the electrical circuit, gas pipeline, lubrication system and hydraulic system shall be installed along the outer contour of the machine, and there shall be no friction with the parts that have relative movement with them.
3.14.5 The countersunk screw shall not protrude from the outer surface of the part: the fixing pin shall generally protrude slightly from the outer surface of the part: the tail end of the bolt shall protrude from the nut 3
JB/T3185.1-1999
, and the protruding part shall be slightly larger than the chamfer value: the exposed shaft end shall protrude from the end face of the containing part, and the protruding value shall be approximately the chamfer value 3.14.6 The various signs on the plate rolling machine shall be clear: the nameplate shall be fixed in a conspicuous position and be flat and firm: the literature on the nameplate shall comply with relevant regulations.
4 Test methods and inspection rules
4.1 Each plate rolling machine shall be inspected and qualified by the quality inspection department of the manufacturer before it can leave the factory. 4.2 The plate rolling machine shall be tested for the following items at the manufacturer: a) Inspection of type, basic parameters and size specifications; b) No-load test;
) Load test, overload test; bzxZ.net
d) Accuracy test.
After the no-load test, load test and overload test of the plate rolling machine: the accuracy shall be inspected. For plate rolling machines that have difficulty in conducting the above inspections at the manufacturer, they are allowed to be inspected at the user factory with the consent of the user. 4.3 Inspection of plate rolling machine type, basic parameters and size specifications The basic parameter inspection of the plate rolling machine shall be carried out under no-load conditions and shall comply with the provisions of JB/T8797. Random inspection is allowed for batch-produced standard plate rolling machines, and the number of random inspections for each batch shall not be less than 10%, but not less than one. The dimensional deviation of the plate rolling machine refers to the dimensional deviation between the two machined surfaces to be inspected (non-machined surfaces are not inspected), and is inspected according to the m level in GB/T1804.
4.4 Idle running test of plate rolling machine
Each plate rolling machine should be tested for idle running 4.4.1 Provisions for idle running time
The idle running time of the plate rolling machine shall not be less than 4h, of which the continuous running time of the main drive shall not be less than 2h, the single running time of the main drive shall not be less than 1h, and the single running time of the auxiliary drive shall not be less than 1h. 4.4.2 Specifications for idle running test
When the main drive of the plate rolling machine is running continuously, the roller surface of the driven roller shall contact the roller surface of the active roller, so that the three rollers rotate simultaneously, and the rotation direction is unidirectional. During the single running time of the main drive, the forward and reverse running tests are carried out, and the cumulative time is not less than 0.5h. When the main drive single running test is carried out, the number of times the brake is engaged is 5min-! 。 During the single operation time of the auxiliary transmission, the lifting and lowering test, tilting test and tilting test of the roller shall be carried out. When carrying out the single operation test of the auxiliary transmission, the cumulative time of the roller lifting and lowering test shall not be less than 0.5h, of which the roller tilting test and tilting operation test shall not be less than five times.
4.4.3 During the idle operation time, the temperature rise of the sliding bearing shall not be greater than 35℃, and the maximum temperature shall not be higher than 70℃; the temperature rise of the rolling bearing shall not be greater than 40℃, and the maximum temperature shall not exceed 70℃. 4.4.4 During the single stroke idle operation test, the brake and clutch shall act smoothly and coordinately, and the friction plate (block) shall not be burned during the test.
4.4.5 The working mechanism and operating mechanism of the entire plate rolling machine shall be coordinated with each other, and all working standard actions shall be smooth and reliable. 4.4.6 The noise sound pressure level of the plate rolling machine shall comply with the provisions of 3.11.8. 4.4.7 The electrical, hydraulic, gas, lubrication and cooling systems and their ancillary devices shall be normal and reliable under working conditions. 4
JB/T3185.11999
Liquid and gas pipelines in the working system should not have blockage and leakage. 4.5 Plate rolling machine load test, overload test 4.5.1 Each plate rolling machine should generally be tested at full load according to the "minimum bending diameter at maximum specification" specified in the technical documents. The number of tests should not be less than three times:
a) The actions of all mechanisms and working systems should be coordinated: b) The re-test accuracy should meet the requirements.
4.5.2 For new or updated products, an overload test should be carried out at 120% of its bending capacity, and the number of tests should not be less than three times. Random inspection is allowed for batch-produced finalized products, and the number of random inspections for each batch should not be less than 10%, but not less than one. During the test, all mechanisms should work normally and parts should not be damaged. The overload safety device should be sensitive and reliable. 4.5.3 For new or updated products, a cone test should also be conducted, and its rigidity should be measured under full load, and it should comply with relevant regulations.
4.6 Plate rolling machine accuracy inspection
Each plate rolling machine must be inspected for accuracy according to the provisions of the current standards before leaving the factory. Before the accuracy inspection, its installation level should be adjusted, and its longitudinal and lateral horizontal errors should not be greater than 0.20/1000. During the accuracy inspection, adjustments to the mechanisms and parts that affect the accuracy are not allowed. The actual data of the accuracy inspection after the load test is qualified should be recorded in the plate rolling machine factory certificate. 5 Marking, packaging and transportation
5.1 The rust prevention of parts and spare parts of the plate rolling machine shall comply with the relevant provisions of JB/T1829. 5.2 The packaging of the plate rolling machine shall comply with the provisions of JB/T8356.1. 5.3 The storage and transportation indication symbols on the plate rolling machine packaging box should comply with the provisions of GB191. 5.4 Each plate rolling machine should be accompanied by the following technical documents: a) Instruction manual (including instruction manual for auxiliary machines, etc.); b) Certificate of conformity;
e) Packing list.
Mechanical Industry Standard
Technical Specifications for Small and Medium-sized Three-roll Plate Bending Machines
JB/T3185.11999
Published by the Machinery Standardization Research Institute of the Ministry of Machinery Industry Printed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry (No. 2 Shouti South Road, Beijing: Postal Code 100044)*
Format 880×1230
Sheet 1/2
Word Count 12000
First Edition in September 1999
First Printing in September 1999
Print Quantity 1-500
Price 500 Yuan
99-53212 The electrical system of the plate rolling machine shall comply with the relevant provisions of GB/T5226.1. 3.13 Quality of hydraulic and pneumatic devices
3.13.1 The quality of the hydraulic components of the plate rolling machine shall comply with the provisions of GB/T7935. 3.13.2 The quality of the pneumatic components of the plate rolling machine shall comply with the provisions of the current standards. 3.13.3 The hydraulic transmission components shall not creep, vibrate, stagnate or have significant impact within the working speed range. 3.13.4 When the hydraulic system is working, the oil temperature in the oil tank shall generally not be higher than 50°C. After continuous full-load operation for 4 hours, the oil temperature in the oil tank shall not be higher than 60°C.
3.14 Appearance quality of the plate rolling machine
3.14.1 The appearance structure of the plate rolling machine shall be reasonable and beautiful. 3.14.2 The surface of the plate rolling machine shall not have protrusions, depressions or roughness not specified in the drawings. There shall be no uneven edges at the joints between the sheet and the cast doors and covers.
3.14.3 The painting requirements of the plate rolling machine shall comply with the provisions of JB/T1829. 3.14.4 The external pipelines of the electrical circuit, gas pipeline, lubrication system and hydraulic system shall be installed along the outer contour of the machine, and there shall be no friction with the parts that have relative movement with them.
3.14.5 The countersunk screw shall not protrude from the outer surface of the part: the fixing pin shall generally protrude slightly from the outer surface of the part: the tail end of the bolt shall protrude from the nut 3
JB/T3185.1-1999
, and the protruding part shall be slightly larger than the chamfer value: the exposed shaft end shall protrude from the end face of the containing part, and the protruding value shall be approximately the chamfer value 3.14.6 The various signs on the plate rolling machine shall be clear: the nameplate shall be fixed in a conspicuous position and be flat and firm: the literature on the nameplate shall comply with relevant regulations.
4 Test methods and inspection rules
4.1 Each plate rolling machine shall be inspected and qualified by the quality inspection department of the manufacturer before it can leave the factory. 4.2 The plate rolling machine shall be tested for the following items at the manufacturer: a) Inspection of type, basic parameters and size specifications; b) No-load test;
) Load test, overload test;
d) Accuracy test.
After the no-load test, load test and overload test of the plate rolling machine: the accuracy shall be inspected. For plate rolling machines that have difficulty in conducting the above inspections at the manufacturer, they are allowed to be inspected at the user factory with the consent of the user. 4.3 Inspection of plate rolling machine type, basic parameters and size specifications The basic parameter inspection of the plate rolling machine shall be carried out under no-load conditions and shall comply with the provisions of JB/T8797. Random inspection is allowed for batch-produced standard plate rolling machines, and the number of random inspections for each batch shall not be less than 10%, but not less than one. The dimensional deviation of the plate rolling machine refers to the dimensional deviation between the two machined surfaces to be inspected (non-machined surfaces are not inspected), and is inspected according to the m level in GB/T1804.
4.4 Idle running test of plate rolling machine
Each plate rolling machine should be tested for idle running 4.4.1 Provisions for idle running time
The idle running time of the plate rolling machine shall not be less than 4h, of which the continuous running time of the main drive shall not be less than 2h, the single running time of the main drive shall not be less than 1h, and the single running time of the auxiliary drive shall not be less than 1h. 4.4.2 Specifications for idle running test
When the main drive of the plate rolling machine is running continuously, the roller surface of the driven roller shall contact the roller surface of the active roller, so that the three rollers rotate simultaneously, and the rotation direction is unidirectional. During the single running time of the main drive, the forward and reverse running tests are carried out, and the cumulative time is not less than 0.5h. When the main drive single running test is carried out, the number of times the brake is engaged is 5min-! 。 During the single operation time of the auxiliary transmission, the lifting and lowering test, tilting test and tilting test of the roller shall be carried out. When carrying out the single operation test of the auxiliary transmission, the cumulative time of the roller lifting and lowering test shall not be less than 0.5h, of which the roller tilting test and tilting operation test shall not be less than five times.
4.4.3 During the idle operation time, the temperature rise of the sliding bearing shall not be greater than 35℃, and the maximum temperature shall not be higher than 70℃; the temperature rise of the rolling bearing shall not be greater than 40℃, and the maximum temperature shall not exceed 70℃. 4.4.4 During the single stroke idle operation test, the brake and clutch shall act smoothly and coordinately, and the friction plate (block) shall not be burned during the test.
4.4.5 The working mechanism and operating mechanism of the entire plate rolling machine shall be coordinated with each other, and all working standard actions shall be smooth and reliable. 4.4.6 The noise sound pressure level of the plate rolling machine shall comply with the provisions of 3.11.8. 4.4.7 The electrical, hydraulic, gas, lubrication and cooling systems and their ancillary devices shall be normal and reliable under working conditions. 4
JB/T3185.11999
Liquid and gas pipelines in the working system should not have blockage and leakage. 4.5 Plate rolling machine load test, overload test 4.5.1 Each plate rolling machine should generally be tested at full load according to the "minimum bending diameter at maximum specification" specified in the technical documents. The number of tests should not be less than three times:
a) The actions of all mechanisms and working systems should be coordinated: b) The re-test accuracy should meet the requirements.
4.5.2 For new or updated products, an overload test should be carried out at 120% of its bending capacity, and the number of tests should not be less than three times. Random inspection is allowed for batch-produced finalized products, and the number of random inspections for each batch should not be less than 10%, but not less than one. During the test, all mechanisms should work normally and parts should not be damaged. The overload safety device should be sensitive and reliable. 4.5.3 For new or updated products, a cone test should also be conducted, and its rigidity should be measured under full load, and it should comply with relevant regulations.
4.6 Plate rolling machine accuracy inspection
Each plate rolling machine must be inspected for accuracy according to the provisions of the current standards before leaving the factory. Before the accuracy inspection, its installation level should be adjusted, and its longitudinal and lateral horizontal errors should not be greater than 0.20/1000. During the accuracy inspection, adjustments to the mechanisms and parts that affect the accuracy are not allowed. The actual data of the accuracy inspection after the load test is qualified should be recorded in the plate rolling machine factory certificate. 5 Marking, packaging and transportation
5.1 The rust prevention of parts and spare parts of the plate rolling machine shall comply with the relevant provisions of JB/T1829. 5.2 The packaging of the plate rolling machine shall comply with the provisions of JB/T8356.1. 5.3 The storage and transportation indication symbols on the plate rolling machine packaging box should comply with the provisions of GB191. 5.4 Each plate rolling machine should be accompanied by the following technical documents: a) Instruction manual (including instruction manual for auxiliary machines, etc.); b) Certificate of conformity;
e) Packing list.
Mechanical Industry Standard
Technical Specifications for Small and Medium-sized Three-roll Plate Bending Machines
JB/T3185.11999
Published by the Machinery Standardization Research Institute of the Ministry of Machinery Industry Printed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry (No. 2 Shouti South Road, Beijing: Postal Code 100044)*
Format 880×1230
Sheet 1/2
Word Count 12000
First Edition in September 1999
First Printing in September 1999
Print Quantity 1-500
Price 500 Yuan
99-5322 The plate rolling machine shall be tested for the following items at the manufacturer: a) Inspection of type, basic parameters and dimensional specifications: b) No-load test;
) Load test, overload test;
d) Accuracy test.
After the no-load test, load test and overload test of the plate rolling machine: the accuracy must be tested. For plate rolling machines that have difficulty in conducting the above tests at the manufacturer, they are allowed to be tested at the user factory with the consent of the user. 4.3 Inspection of plate rolling machine type, basic parameters and dimensional specifications The basic parameter inspection of the plate rolling machine shall be carried out under no-load conditions and shall comply with the provisions of JB/T8797. Random inspection is allowed for batch-produced standard plate rolling machines, and the number of random inspections for each batch shall not be less than 10%, but not less than one. The dimensional deviation of the plate rolling machine refers to the dimensional deviation between the two machined surfaces (non-machined surfaces are not inspected) being inspected, and shall be inspected according to the m level in GB/T1804.
4.4 Idle running test of plate rolling machine
Each plate rolling machine shall be tested for idle running. 4.4.1 Provisions for idle running time
The idle running time of the plate rolling machine shall not be less than 4h, of which the continuous running time of the main drive shall not be less than 2h, the single running time of the main drive shall not be less than 1h, and the single running time of the auxiliary drive shall not be less than 1h. 4.4.2 Specifications for idle running test
When the main drive of the plate rolling machine is running continuously, the roller surface of the driven roller shall contact the roller surface of the active roller, so that the three rollers rotate at the same time, and the rotation direction is unidirectional. During the single running time of the main drive, the forward and reverse running tests shall be carried out, and the cumulative time shall not be less than 0.5h. When the main drive is tested for a single running, the number of times the brake is engaged is 5min-! . During the single running time of the auxiliary drive, the lifting and lowering test, the tilting test and the tilting test of the spool shall be carried out. When conducting a single operation test of the auxiliary transmission, the cumulative time of the roller lifting and lowering tests shall not be less than 0.5h, and the number of roller tilting tests and tilting operation tests shall not be less than five times.
4.4.3 During the idling time, the temperature rise of the sliding bearing shall not be greater than 35℃, and the maximum temperature shall not be higher than 70℃; the temperature rise of the rolling bearing shall not be greater than 40℃, and the maximum temperature shall not exceed 70℃. 4.4.4 During the single stroke idling test of the brake and clutch, the action shall be smooth and coordinated, and the friction plate (block) shall not be burned during the test.
4.4.5 The working mechanism and operating mechanism of the entire plate rolling machine shall be coordinated with each other, and all working standard actions shall be smooth and reliable. 4.4.6 The noise sound pressure level of the plate rolling machine shall comply with the provisions of 3.11.8. 4.4.7 The electrical, hydraulic, gas, lubrication and cooling systems and their ancillary devices shall be normal and reliable under working conditions. 4
JB/T3185.11999
Liquid and gas pipelines in the working system should not have blockage and leakage. 4.5 Plate rolling machine load test, overload test 4.5.1 Each plate rolling machine should generally be tested at full load according to the "minimum bending diameter at maximum specification" specified in the technical documents. The number of tests should not be less than three times:
a) The actions of all mechanisms and working systems should be coordinated: b) The re-test accuracy should meet the requirements.
4.5.2 For new or updated products, an overload test should be carried out at 120% of its bending capacity, and the number of tests should not be less than three times. Random inspection is allowed for batch-produced finalized products, and the number of random inspections for each batch should not be less than 10%, but not less than one. During the test, all mechanisms should work normally and parts should not be damaged. The overload safety device should be sensitive and reliable. 4.5.3 For new or updated products, a cone test should also be conducted, and its rigidity should be measured under full load, and it should comply with relevant regulations.
4.6 Plate rolling machine accuracy inspection
Each plate rolling machine must be inspected for accuracy according to the provisions of the current standards before leaving the factory. Before the accuracy inspection, its installation level should be adjusted, and its longitudinal and lateral horizontal errors should not be greater than 0.20/1000. During the accuracy inspection, adjustments to the mechanisms and parts that affect the accuracy are not allowed. The actual data of the accuracy inspection after the load test is qualified should be recorded in the plate rolling machine factory certificate. 5 Marking, packaging and transportation
5.1 The rust prevention of parts and spare parts of the plate rolling machine shall comply with the relevant provisions of JB/T1829. 5.2 The packaging of the plate rolling machine shall comply with the provisions of JB/T8356.1. 5.3 The storage and transportation indication symbols on the plate rolling machine packaging box should comply with the provisions of GB191. 5.4 Each plate rolling machine should be accompanied by the following technical documents: a) Instruction manual (including instruction manual for auxiliary machines, etc.); b) Certificate of conformity;
e) Packing list.
Mechanical Industry Standard
Technical Specifications for Small and Medium-sized Three-roll Plate Bending Machines
JB/T3185.11999
Published by the Machinery Standardization Research Institute of the Ministry of Machinery Industry Printed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry (No. 2 Shouti South Road, Beijing: Postal Code 100044)*
Format 880×1230
Sheet 1/2
Word Count 12000
First Edition in September 1999
First Printing in September 1999
Print Quantity 1-500
Price 500 Yuan
99-5322 The plate rolling machine shall be tested for the following items at the manufacturer: a) Inspection of type, basic parameters and dimensional specifications: b) No-load test;
) Load test, overload test;
d) Accuracy test.
After the no-load test, load test and overload test of the plate rolling machine: the accuracy must be tested. For plate rolling machines that have difficulty in conducting the above tests at the manufacturer, they are allowed to be tested at the user factory with the consent of the user. 4.3 Inspection of plate rolling machine type, basic parameters and dimensional specifications The basic parameter inspection of the plate rolling machine shall be carried out under no-load conditions and shall comply with the provisions of JB/T8797. Random inspection is allowed for batch-produced standard plate rolling machines, and the number of random inspections for each batch shall not be less than 10%, but not less than one. The dimensional deviation of the plate rolling machine refers to the dimensional deviation between the two machined surfaces (non-machined surfaces are not inspected) being inspected, and shall be inspected according to the m level in GB/T1804.
4.4 Idle running test of plate rolling machine
Each plate rolling machine shall be tested for idle running. 4.4.1 Provisions for idle running time
The idle running time of the plate rolling machine shall not be less than 4h, of which the continuous running time of the main drive shall not be less than 2h, the single running time of the main drive shall not be less than 1h, and the single running time of the auxiliary drive shall not be less than 1h. 4.4.2 Specifications for idle running test
When the main drive of the plate rolling machine is running continuously, the roller surface of the driven roller shall contact the roller surface of the active roller, so that the three rollers rotate at the same time, and the rotation direction is unidirectional. During the single running time of the main drive, the forward and reverse running tests shall be carried out, and the cumulative time shall not be less than 0.5h. When the main drive is tested for a single running, the number of times the brake is engaged is 5min-! . During the single running time of the auxiliary drive, the lifting and lowering test, the tilting test and the tilting test of the spool shall be carried out. When conducting a single operation test of the auxiliary transmission, the cumulative time of the roller lifting and lowering tests shall not be less than 0.5h, and the number of roller tilting tests and tilting operation tests shall not be less than five times.
4.4.3 During the idling time, the temperature rise of the sliding bearing shall not be greater than 35℃, and the maximum temperature shall not be higher than 70℃; the temperature rise of the rolling bearing shall not be greater than 40℃, and the maximum temperature shall not exceed 70℃. 4.4.4 During the single stroke idling test of the brake and clutch, the action shall be smooth and coordinated, and the friction plate (block) shall not be burned during the test.
4.4.5 The working mechanism and operating mechanism of the entire plate rolling machine shall be coordinated with each other, and all working standard actions shall be smooth and reliable. 4.4.6 The noise sound pressure level of the plate rolling machine shall comply with the provisions of 3.11.8. 4.4.7 The electrical, hydraulic, gas, lubrication and cooling systems and their ancillary devices shall be normal and reliable under working conditions. 4
JB/T3185.11999
Liquid and gas pipelines in the working system should not have blockage and leakage. 4.5 Plate rolling machine load test, overload test 4.5.1 Each plate rolling machine should generally be tested at full load according to the "minimum bending diameter at maximum specification" specified in the technical documents. The number of tests should not be less than three times:
a) The actions of all mechanisms and working systems should be coordinated: b) The re-test accuracy should meet the requirements.
4.5.2 For new or updated products, an overload test should be carried out at 120% of its bending capacity, and the number of tests should not be less than three times. Random inspection is allowed for batch-produced finalized products, and the number of random inspections for each batch should not be less than 10%, but not less than one. During the test, all mechanisms should work normally and parts should not be damaged. The overload safety device should be sensitive and reliable. 4.5.3 For new or updated products, a cone test should also be conducted, and its rigidity should be measured under full load, and it should comply with relevant regulations.
4.6 Plate rolling machine accuracy inspection
Each plate rolling machine must be inspected for accuracy according to the provisions of the current standards before leaving the factory. Before the accuracy inspection, its installation level should be adjusted, and its longitudinal and lateral horizontal errors should not be greater than 0.20/1000. During the accuracy inspection, adjustments to the mechanisms and parts that affect the accuracy are not allowed. The actual data of the accuracy inspection after the load test is qualified should be recorded in the plate rolling machine factory certificate. 5 Marking, packaging and transportation
5.1 The rust prevention of parts and spare parts of the plate rolling machine shall comply with the relevant provisions of JB/T1829. 5.2 The packaging of the plate rolling machine shall comply with the provisions of JB/T8356.1. 5.3 The storage and transportation indication symbols on the plate rolling machine packaging box should comply with the provisions of GB191. 5.4 Each plate rolling machine should be accompanied by the following technical documents: a) Instruction manual (including instruction manual for auxiliary machines, etc.); b) Certificate of conformity;
e) Packing list.
Mechanical Industry Standard
Technical Specifications for Small and Medium-sized Three-roll Plate Bending Machines
JB/T3185.11999
Published by the Machinery Standardization Research Institute of the Ministry of Machinery Industry Printed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry (No. 2 Shouti South Road, Beijing: Postal Code 100044)*
Format 880×1230
Sheet 1/2
Word Count 12000
First Edition in September 1999
First Printing in September 1999
Print Quantity 1-500
Price 500 Yuan
99-53220/1000. During the precision inspection process, it is not allowed to adjust the mechanisms and parts that affect the precision. The measured data of the precision inspection after the load test is qualified shall be recorded in the factory certificate of the plate rolling machine. 5 Marking, packaging and transportation
5.1 The rust prevention of the parts and spare parts of the plate rolling machine shall comply with the relevant provisions of JB/T1829. 5.2 The packaging of the plate rolling machine shall comply with the provisions of JB/T8356.1. 5.3 The storage and transportation indication symbols of the plate rolling machine packaging box shall comply with the provisions of GB191 5.4 Each plate rolling machine shall be accompanied by the following technical documents: a) Instruction manual (including the instruction manual of auxiliary machines, etc.): b) Certificate of qualification:
e) Packing list.
Mechanical Industry Standard
Technical Specifications for Small and Medium-sized Three-roll Plate Bending Machines
JB/T3185.11999
Published by the Machinery Standardization Research Institute of the Ministry of Machinery Industry Printed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry (No. 2 Shouti South Road, Beijing: Postal Code 100044)*
Format 880×1230
Sheet 1/2
Word Count 12000
First Edition in September 1999
First Printing in September 1999
Print Quantity 1-500
Price 500 Yuan
99-53220/1000. During the precision inspection process, it is not allowed to adjust the mechanisms and parts that affect the precision. The measured data of the precision inspection after the load test is qualified shall be recorded in the factory certificate of the plate rolling machine. 5 Marking, packaging and transportation
5.1 The rust prevention of the parts and spare parts of the plate rolling machine shall comply with the relevant provisions of JB/T1829. 5.2 The packaging of the plate rolling machine shall comply with the provisions of JB/T8356.1. 5.3 The storage and transportation indication symbols of the plate rolling machine packaging box shall comply with the provisions of GB191 5.4 Each plate rolling machine shall be accompanied by the following technical documents: a) Instruction manual (including the instruction manual of auxiliary machines, etc.): b) Certificate of qualification:
e) Packing list.
Mechanical Industry Standard
Technical Specifications for Small and Medium-sized Three-roll Plate Bending Machines
JB/T3185.11999
Published by the Machinery Standardization Research Institute of the Ministry of Machinery Industry Printed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry (No. 2 Shouti South Road, Beijing: Postal Code 100044)*
Format 880×1230
Sheet 1/2
Word Count 12000
First Edition in September 1999
First Printing in September 1999
Print Quantity 1-500
Price 500 Yuan
99-532
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