Some standard content:
J62 | | tt | | JB | Benchpresstechnicalspecification1998-07-17 Released
National Machinery Industry Bureau
Released
Implemented on 1998-12-01
JB/T5247.1—1998
Previous
This standard is a revision of JB5247-91 "Technical Conditions for Desktop Presses". The main changes include increased requirements for reliability;
added life indicators;
added requirements for parameters and dimensions; modified the frequency of switching on for a single stroke operation test. Added manufacturer's warranty terms.
This standard will replace JB5247-91 from the effective date. This standard is proposed and administered by the National Forging Machinery Standardization Technical Committee. This standard was drafted by: Zhejiang Yanshan Precision Press Factory. The main drafter of this standard: Chen Yitong.
This standard was first released on June 21, 1991. 1 Scope
Mechanical Industry Standard of the People's Republic of China
Bench press technical specifications
Bench press technical specificetion This standard specifies the technical requirements, inspection rules, etc. of bench presses. This standard applies On the desktop press (hereinafter referred to as the press). 2 Referenced standards
JB/T5247.11998
Code JB5247-91
The provisions contained in the following standards constitute provisions of this standard by being quoted in this standard. This standard At the time of publication, the editions shown were valid. All standards are subject to revision and parties using this standard should explore the possibility of using new versions of the standards listed below. GB191-90
GB/T5226.1-1996
GB/T13306-91
JB/T1829-1997
JB3350-93
JB362384| |tt||JB/T5247.2—1998
JB/T 8356.196
ZB J50 011-89
ZB J50 01389
ZBn J62016—88||tt ||ZB J62 01989
ZB J62 027-89
3 Technical Requirements
3.1 Basic Requirements
Packaging, Storage and Transportation Pictorial Marks
Industrial Machinery Electrical Equipment Part 1: General Technical Conditions Label
General Technical Conditions for Forging Machinery
Safety Technical Requirements for Mechanical Presses
Forging Machinery Noise Measurement Method
Tabletop Press Type And basic parameters
Machine tool packaging technical conditions
Machine tool coating technical conditions
Machine tool anti-rust technical conditions
Open press performance requirements and test methods Benchtop press accuracy
Technical Conditions for Open Presses
3.1.1 The drawings and technical documents of the press should comply with the requirements of this standard, and can only be put into production after being approved by the prescribed procedures. 3.1.2 The press must not cause danger to personnel when manufacturing, installing, transporting, storing and using it. The safety protection of the press should comply with the requirements of JB3350 and have reliable protection devices or measures. 3.1.3 The parameters and dimensions of the press should be given priority to the recommended values ??specified in JB/T5247.2. 3.1.4 The press should be equipped with necessary accessories and spare wearing parts when it leaves the factory. The accessories should comply with relevant regulations. The purchased accessories should obtain certificates and be installed on the press for operation tests. Special accessories or attachment devices shall be agreed upon between the user and the manufacturer and may be supplied randomly or ordered separately. 3.2 Reliability
3.2.1 For mass-produced presses, sampling should be conducted for reliability testing in accordance with the provisions of relevant standards or technical documents. Approved by the State Administration of Machinery Industry on July 17, 1998 for implementation on December 1, 1998
1
JB/T 5247.11998
3.2.2 Reliability test methods, indicators and indicator values ??should Comply with the relevant standards for reliability testing of desktop presses. 3.3 Lifespan
3.3.1 Wear-resistant measures should be taken for the important kinematic pairs of the press, such as sliders, guide rails, crankshafts and ball heads. 3.3.2 Under the condition that the press works in two shifts and abides by the usage rules, the use time until the first planned overhaul is 5 years. 3.4 Rigidity
3.4.1 The press should have sufficient stiffness. 3.4.2 The angular stiffness of the fuselage should not be lower than the allowable angle measurement. The allowable angular stiffness is calculated according to formula (1) and formula (2): a) For a precision-level press
[C, ] 0. 001 P.
b) For a press with ordinary precision
[C,]=0.00025P
where: [C,], [C.,] Allowable angular stiffness of the fuselage, kN/μrad; P press nominal force, kN.
3.4.3 The test method of fuselage angular stiffness should comply with ZBJ62027-89 Appendix B. 3.5 Crankshaft stop position
(
.(2)
The working mechanism and control mechanism of the press should be coordinated. When the working stroke is completed, the crankshaft should stop reliably at the upper limit point, the compilation difference is ±5°,
3.6 Requirements for castings, silver, and welding parts
3.6.1 All iron parts, forgings, welded parts and non-ferrous metal castings on the press , all should comply with current standards. Defects that do not affect use and appearance are allowed to be repaired in accordance with the specified technical documents under the condition of ensuring quality. 3.6.2 The working surfaces of important casting parts, such as sliding bearings, sliders and The sliding surface of the guide rail should not have defects such as pores, shrinkage holes, blisters, slag holes and segregation.
3.6.4 The fuselage, slider and crankshaft should have proof of material performance. Important parts such as connecting rods and flywheels should be aged. 3.7 Requirements for processing
3.7.1 The processing of parts should comply with the requirements of design, process and relevant standards, and the processed surface should not have burrs or spots. If there is damage to the machine board or other damage, unless otherwise specified, the sharp edges should be blunted. 3.7.2 There should be no traces of the previous process on the scraped sliding surfaces
on the working surfaces of the guide rails and bearing bushes. The scraping and grinding points should be uniform. When scraping and grinding, use the joint surface of the fitting (or grinding tool) for color inspection. It should be ensured that the number of contact points within each 25mm × 25mm area should be no less than eight for the bearing bush. Position (such as pressed into the bearing seat) inspection, inspection is only allowed within 60* to the left and right of the highest point and the lowest point of the working position (when the oil tank is packaged, twice the width of the oil tank is not assessed) 3.7.3 Machinery. Processed sliding surfaces
Sliding guide rails, bearing bushes and bushings processed by fine planing, grinding or other mechanical methods should be painted to check their contact conditions. The cumulative value of the contact area should be uniform over the length. The width should be no less than 70%, and the width should be no less than 50%. 3.7.4 The contact between the ball head of the adjusting screw and the ball head seat, the connecting rod pin and the connecting rod should be uniform, and the contact surface should be no less than 50%. 50%. 3.7.5 Static balance of flywheel
3.7.5.1 The flywheel of the press should generally be statically balanced and calibrated, and its allowable unbalanced moment should be calculated according to formula (3): EMJ=6.3G/
In the formula: [M\-permissible unbalanced moment of flywheel, g·mm; 6.3---balance accuracy grade, mm·rad/s; G--flywheel mass.B;
2
-*·(3)
Flywheel operating angular speed, rad/s
JB/T 5247.1—1998
3.7.5.2 For removal of all lint Flywheels with surface processing methods can no longer undergo static balance testing. 3.8 Requirements for assembly
3.8.1 The press should be assembled according to the assembly process regulations. It is not allowed to install gaskets and sleeves not specified in the drawing. 3.8.2 The important fastening joints of the press should be tightly connected. After tightening, use a 0.03mm feeler gauge for inspection. Only partial insertion of the feeler gauge is allowed. The insertion depth shall not be greater than 1/5 of the width. The cumulative length of the insertable part shall not exceed 1/10 of the inspectable circumference. After the flywheel is installed, the static circular runout of the flywheel should be checked. Its radial runout should not be greater than 0.08mm, and its end face runout should not be greater than 0.153.8.3
mm
3.9 Requirements for electrical equipment
The electrical equipment of the press should comply with the provisions of 20.2~20.4 in GB/T5226.1-1996. 3.10 Requirements for noise
3.10.1
The sound of the press during idling operation should be normal, and the noise limit should comply with the provisions of Table 1. Table 1
Nominal force of the press
kN
$31.5
>31.5
During the continuous stroke of A in idle operation, in the surrounding When the pressure is running in a single stroke, the weighted sound power level LwA
dB(A)
78
85
around the press is the specified position of the press. A-weighted sound medical level pulse sound A-weighted sound pressure level at specified position Zn
dB(A)
≤68
78
La||tt ||dB(A)
95
95
3.10.2 Press noise measurement method should comply with the provisions of JB3623. During measurement, the press should be placed on a solid table. The table is 800mm from the ground.
3.10.3 The sound power level measurement of the continuous stroke of the press during dry operation shall be carried out during the type test. 3.11 Requirements for lubrication
The press should have a reliable lubrication device to ensure normal lubrication of all operating parts. 3.12 Requirements for appearance
3.12.1 The outer surface of the press should not have bulges, depressions or rough unevenness not specified in the drawings. The joints such as the benefit board and cover should be smooth. Exposed pipes and wires should be arranged neatly and firmly. There should be no obvious misalignment on the exposed joint surfaces. The main exposed machined surfaces should not be chipped, scratched or rusted.
3.12.2 The coating of the unmachined surfaces of all parts and accessories on the press should comply with the regulations of ZBJ50011. 3.12.3 The nameplate of the press and The fixing of various signs should be obvious, smooth, solid and not skewed. The type, size and technical requirements of the signs should comply with the regulations of GB/T13306.
4 Inspection Rules
4.1 General Principles of Inspection
4.1.1 Each press must pass the factory inspection by the manufacturer's inspection department before it can leave the factory. 4.1.2 For new Trial production appraisal of products or old products transferred to factory production. Type testing should be carried out according to the provisions of ZBnJ62016. 4.2 Items of factory testing
The press must be inspected or tested according to the following items: a) Basic parameter inspection:| |tt||b) Basic performance test:
c) Safety protection inspection;
d) Processing and assembly quality inspection;
3
e) Dry running test ;
f) Dyeing and sound inspection;
&) Load test;
h) Accuracy inspection:
i) Appearance inspection;
i) Packaging test.
4.3 Basic Parameter Inspection
JB/T5247.1—1998
The basic parameters of the press are allowed to be randomly inspected in batches. The number of random inspections in each batch shall not be less than 10%, and the tolerance shall be Comply with the requirements of Table 2. Table 2
Sequence
No.
1
2
3
4
Inspection items
Slider stroke
Maximum molding height
Molding height adjustment amount
Number of strokes
Single
mra
position||tt ||min-+
Note
1 The tolerance of item 4 in the table should be tested when the power supply is normal and running dry. 2 If the tolerance conversion result is less than 1, it will still be counted as 1. 4.4 Basic performance test
charge, difference
±1%
+5%
0
+10%
o|| tt||+10%
0
Before or during the dry running test, the press should conduct basic performance tests according to the following items: a) Various standardized operations of slider operation Test to check the flexibility and reliability of its movements; b) Height adjustment test of the installation to test its flexibility and reliability; c) Test the reliability of the lubrication device:
d) Test the safety and reliability of the electrical equipment reliability. 4.5 Safety protection inspection
The safety protection of the press should comply with the regulations of JB3350. 4.6 Processing and assembly quality inspection
The processing and assembly quality of the press should comply with the provisions of 3.7 and 3.8. 4.7 Dry running test
4.7.1 Time, action specifications and frequency of dry running test. The dry running time should be no less than 1.5h, of which the running time of continuous strokes should be no less than 1h. Single stroke The running time should be no less than 0.5h. When operating in a single stroke, the closing frequency of the high-speed clutch is 30min-. 4.7.2 Temperature rise of bearings and guide rails
During the dry running time, use a point thermometer to measure the highest heating measurable part of the part. The temperature rise and maximum temperature should comply with the following regulations: ||tt| |a) The temperature rise of the sliding bearing should not be greater than 30°C, and the maximum temperature should not be higher than 65°C; b) The temperature rise of the rolling bearing should not be greater than 35°C, and the maximum temperature should not be higher than 70°C; c) The temperature rise of the sliding guide rail It should not be greater than 15C, and the maximum temperature should not be higher than 50℃. 4.8 Noise inspection
Before the press leaves the factory, the continuous stroke noise L and the single-stroke impulse noise Le> (both A-weighted sound pressure levels) at the specified position should be checked in accordance with the requirements of 3.10.
4
4.9 Load test
JB/T5247.1—1998
4.9.1 The press should generally undergo a full load test before leaving the factory. For the full-load test method, one of the following should be selected based on the manufacturer's conditions and the requirements of the superior (or user): a) Use the punching method to do the full-load test. The number of tests should be no less than three times. The calculation of the punching force and The requirements for molds and test pieces are in accordance with the provisions of Appendix A of ZBJ62027-89.
b) Use the precision pressed copper rod method or other corresponding methods to conduct simulated load tests. The simulated test load is 75% to 100% of the nominal force of the press, and the time should be no less than 2 hours, of which the single and continuous strokes should be no less than 1 hour each. 4.9.2 When using the simulated load test, the dry running test in 4.7 can no longer be performed, and the corresponding bearing and guide rail temperature rise measurements can be performed during the simulated load test.
4.9.3 For new products or modified design products, overload tests should be conducted at 120% of the nominal force, and the number of times should be no less than five times. 4.10 Accuracy inspection
4.10.1 The accuracy inspection of the press should comply with the regulations of ZBJ62019. 4.10.2 The total clearance of the force-applying mechanism of the press should be inspected before leaving the factory. The test method shall comply with the provisions of ZBnJ62016, and the total clearance limit shall be in accordance with Table 3. Table 3
Accuracy level
Total brewing limit
Note: P,---nominal force of press, kN.
4.11 Appearance inspection
The appearance inspection of the press shall comply with the provisions of 3.12. 4.12 Packaging inspection
The packaging inspection of the press should comply with the provisions of Chapter 5. 5 mark, packaging and transportation
5.1 anti-rust
normal grade
0.4+
80
fine grade
0,32+ 9.8
80
The rust prevention of the exposed processed surfaces of press parts, components, accessories and spare parts should comply with the regulations of ZBJ50013. 5.2 Packaging, marking and transportation
mm
The packaging and labeling of the press and its components should comply with the regulations of GB191, JB/T1829 and JB/T8356.1 and the relevant transportation and loading requirements.
5.3 Random technical documents
Each press should be supplied with the following technical documents: a) Instructions for use:
b) Certificate of conformity:
c) Installation Packing list.
6 Remanufacturer Guarantee
Under the condition that the user abides by the transportation, storage, installation and use regulations of the press, the manufacturer should guarantee that the product will be accurate within 12 months from the date of shipment. When the work cannot be carried out due to quality problems, the manufacturer shall be responsible for guaranteeing repairs, replacements, and returns. 5
5
In the A continuous stroke of idling operation, in the single stroke of idling operation in the surrounding pressure, the weighted sound power level of the surrounding press LwA
dB(A)| |tt||78
85
The pulse sound at the specified position of the machine and the A-weighted sound medical level at the specified position Zn
dB(A)| |tt||≤68
78
La
dB(A)
95
95
3.10.2 Press noise The measurement method should comply with the provisions of JB3623. During measurement, the press should be placed on a solid table with a distance of 800mm from the ground.
3.10.3 The sound power level measurement of the continuous stroke of the press during dry operation shall be carried out during the type test. 3.11 Requirements for lubrication
The press should have a reliable lubrication device to ensure normal lubrication of all operating parts. 3.12 Requirements for appearance
3.12.1 The outer surface of the press should not have bulges, depressions or rough unevenness not specified in the drawings. The joints such as the benefit board and cover should be smooth. Exposed pipes and wires should be arranged neatly and firmly. There should be no obvious misalignment on the exposed joint surface. The main exposed machined surfaces should not be chipped, scratched or rusted.
3.12.2 The coating of the unmachined surfaces of all parts and accessories on the press should comply with the regulations of ZBJ50011. 3.12.3 The nameplate of the press and The fixing of various signs should be obvious, smooth, solid and not skewed. The type, size and technical requirements of the signs should comply with the regulations of GB/T13306.
4 Inspection Rules
4.1 General Principles of Inspection
4.1.1 Each press must pass the factory inspection by the manufacturer's inspection department before it can leave the factory. 4.1.2 For new Trial production appraisal of products or old products transferred to factory production. Type testing should be carried out according to the provisions of ZBnJ62016. 4.2 Items of factory testing
The press must be inspected or tested according to the following items: a) Basic parameter inspection:| |tt||b) Basic performance test:
c) Safety protection inspection;
d) Processing and assembly quality inspection;
3
e) Dry running test ;
f) Dyeing and sound inspection;
&) Load test;
h) Accuracy inspection:
i) Appearance inspection;
i) Packaging test.
4.3 Basic Parameter Inspection
JB/T5247.1—1998
The basic parameters of the press are allowed to be randomly inspected in batches. The number of random inspections in each batch shall not be less than 10%, and the tolerance shall be Comply with the requirements of Table 2. Table 2
Sequence
No.
1
2
3
4
Inspection items
Slider stroke
Maximum molding height
Molding height adjustment amount
Number of strokes
Single
mra
position||tt ||min-+
Note
1 The tolerance of item 4 in the table should be tested when the power supply is normal and running dry. 2 If the tolerance conversion result is less than 1, it will still be counted as 1. 4.4 Basic performance test
charge, difference
±1%
+5%
0
+10%
o|| tt||+10%
0
Before or during the dry running test, the press should conduct basic performance tests according to the following items: a) Various standardized operations of slider operation Test to check the flexibility and reliability of its movements; b) Height adjustment test of the installation to test its flexibility and reliability; c) Test the reliability of the lubrication device:
d) Test the safety and reliability of the electrical equipment reliability. 4.5 Safety protection inspection
The safety protection of the press should comply with the regulations of JB3350. 4.6 Processing and assembly quality inspection
The processing and assembly quality of the press should comply with the provisions of 3.7 and 3.8. 4.7 Dry running test
4.7.1 Time, action specifications and frequency of dry running test. The dry running time should be no less than 1.5h, of which the running time of continuous strokes should be no less than 1h. Single stroke The running time should be no less than 0.5h. When operating in a single stroke, the closing frequency of the high-speed clutch is 30min-. 4.7.2 Temperature rise of bearings and guide rails
During the dry running time, use a point thermometer to measure the highest heating measurable part of the part. The temperature rise and maximum temperature should comply with the following regulations: ||tt| |a) The temperature rise of the sliding bearing should not be greater than 30°C, and the maximum temperature should not be higher than 65°C; b) The temperature rise of the rolling bearing should not be greater than 35°C, and the maximum temperature should not be higher than 70°C; c) The temperature rise of the sliding guide rail It should not be greater than 15C, and the maximum temperature should not be higher than 50℃. 4.8 Noise inspection
Before the press leaves the factory, the continuous stroke noise L and the single-stroke impulse noise Le> (both A-weighted sound pressure levels) at the specified position should be checked in accordance with the requirements of 3.10.
4
4.9 Load test
JB/T5247.1—1998
4.9.1 The press should generally undergo a full load test before leaving the factory. For the full-load test method, one of the following should be selected based on the manufacturer's conditions and the requirements of the superior (or user): a) Use the punching method to do the full-load test. The number of tests should be no less than three times. The calculation of the punching force and The requirements for molds and test pieces are in accordance with the provisions of Appendix A of ZBJ62027-89.
b) Use the precision pressed copper rod method or other corresponding methods to conduct simulated load tests. The simulated test load is 75% to 100% of the nominal force of the press, and the time should be no less than 2 hours, of which the single and continuous strokes should be no less than 1 hour each. 4.9.2 When using the simulated load test, the dry running test in 4.7 can no longer be performed, and the corresponding bearing and guide rail temperature rise measurements can be performed during the simulated load test.
4.9.3 For new products or modified design products, overload tests should be conducted at 120% of the nominal force, and the number of times should be no less than five times. 4.10 Accuracy inspection
4.10.1 The accuracy inspection of the press should comply with the regulations of ZBJ62019. 4.10.2 The total clearance of the force-applying mechanism of the press should be inspected before leaving the factory. The test method shall comply with the provisions of ZBnJ62016, and the total clearance limit shall be in accordance with Table 3. Table 3
Accuracy level
Total brewing limit
Note: P,---nominal force of press, kN.
4.11 Appearance inspection
The appearance inspection of the press shall comply with the provisions of 3.12. 4.12 Packaging inspection
The packaging inspection of the press should comply with the provisions of Chapter 5. 5 mark, packaging and transportation
5.1 anti-rust
normal grade
0.4+
80
fine grade
0,32+ 9.8
80
The rust prevention of the exposed processed surfaces of press parts, components, accessories and spare parts should comply with the regulations of ZBJ50013. 5.2 Packaging, marking and transportation
mm
The packaging and labeling of the press and its components should comply with the regulations of GB191, JB/T1829 and JB/T8356.1 and the relevant transportation and loading requirements.
5.3 Random technical documents
Each press should be supplied with the following technical documents: a) Instructions for use:
b) Certificate of conformity:
c) Installation Packing list.
6 Remanufacturer Guarantee
Under the condition that the user abides by the transportation, storage, installation and use regulations of the press, the manufacturer should guarantee that the product will be accurate within 12 months from the date of shipment. When the work cannot be carried out due to quality problems, the manufacturer shall be responsible for guaranteeing repairs, replacements, and returns. 5
5
In the A continuous stroke of idling operation, in the single stroke of idling operation in the surrounding pressure, the weighted sound power level of the surrounding press LwA
dB(A)| |tt||78
85
The pulse sound at the specified position of the machine and the A-weighted sound medical level at the specified position Zn
dB(A)| |tt||≤68
78
La
dB(A)
95
95
3.10.2 Press noise The measurement method should comply with the provisions of JB3623. During measurement, the press should be placed on a solid table with a distance of 800mm from the ground.
3.10.3 The sound power level measurement of the continuous stroke of the press during dry operation shall be carried out during the type test. 3.11 Requirements for lubrication
The press should have a reliable lubrication device to ensure normal lubrication of all operating parts. 3.12 Requirements for appearance
3.12.1 The outer surface of the press should not have bulges, depressions or rough unevenness not specified in the drawings. The joints such as the benefit board and cover should be smooth. Exposed pipes and wires should be arranged neatly and firmly. There should be no obvious misalignment on the exposed joint surfaces. The main exposed machined surfaces should not be chipped, scratched or rusted.
3.12.2 The coating of the unmachined surfaces of all parts and accessories on the press should comply with the regulations of ZBJ50011. 3.12.3 The nameplate of the press and The fixing of various signs should be obvious, smooth, solid and not skewed. The type, size and technical requirements of the signs should comply with the regulations of GB/T13306.
4 Inspection Rules
4.1 General Principles of Inspection
4.1.1 Each press must pass the factory inspection by the manufacturer's inspection department before it can leave the factory. 4.1.2 For new Trial production appraisal of products or old products transferred to factory production. Type testing should be carried out according to the provisions of ZBnJ62016. 4.2 Items of factory testing
The press must be inspected or tested according to the following items: a) Basic parameter inspection:| |tt||b) Basic performance test:
c) Safety protection inspection;
d) Processing and assembly quality inspection;
3
e) Dry running test ;
f) Dyeing and sound inspection;
&) Load test;
h) Accuracy inspection:
i) Appearance inspection;
i) Packaging test.
4.3 Basic Parameter Inspection
JB/T5247.1—1998
The basic parameters of the press are allowed to be randomly inspected in batches. The number of random inspections in each batch shall not be less than 10%, and the tolerance shall be Comply with the requirements of Table 2. Table 2
Sequence
No.
1
2
3
4
Inspection items
Slider stroke
Maximum molding height
Molding height adjustment amount
Number of strokes
Single
mra
position||tt ||min-+
Note
1 The tolerance of item 4 in the table should be tested when the power supply is normal and running dry. 2 If the tolerance conversion result is less than 1, it will still be counted as 1. 4.4 Basic performance test
charge, difference
±1%
+5%
0
+10%
o|| tt||+10%
0
Before or during the dry running test, the press should conduct basic performance tests according to the following items: a) Various standardized operations of slider operation Test to check the flexibility and reliability of its movements; b) Height adjustment test of the installation to test its flexibility and reliability; c) Test the reliability of the lubrication device:
d) Test the safety and reliability of the electrical equipment reliability. 4.5 Safety protection inspection
The safety protection of the press should comply with the regulations of JB3350. 4.6 Processing and assembly quality inspection
The processing and assembly quality of the press should comply with the provisions of 3.7 and 3.8. 4.7 Dry running test
4.7.1 Time, action specifications and frequency of dry running test. The dry running time should be no less than 1.5h, of which the running time of continuous strokes should be no less than 1h. Single stroke The running time should be no less than 0.5h. When operating in a single stroke, the closing frequency of the high-speed clutch is 30min-. 4.7.2 Temperature rise of bearings and guide rails
During the dry running time, use a point thermometer to measure the highest heating measurable part of the part. The temperature rise and maximum temperature should comply with the following regulations: ||tt| |a) The temperature rise of the sliding bearing should not be greater than 30°C, and the maximum temperature should not be higher than 65°C; b) The temperature rise of the rolling bearing should not be greater than 35°C, and the maximum temperature should not be higher than 70°C; c) The temperature rise of the sliding guide rail It should not be greater than 15C, and the maximum temperature should not be higher than 50℃. 4.8 Noise inspection
Before the press leaves the factory, the continuous stroke noise L and the single-stroke impulse noise Le> (both A-weighted sound pressure levels) at the specified position should be checked in accordance with the requirements of 3.10.
4
4.9 Load test
JB/T5247.1—1998
4.9.1 The press should generally undergo a full load test before leaving the factory. For the full-load test method, one of the following should be selected based on the manufacturer's conditions and the requirements of the superior (or user): a) Use the punching method to do the full-load test. The number of tests should be no less than three times. The calculation of the punching force and The requirements for molds and test pieces are in accordance with the provisions of Appendix A of ZBJ62027-89.
b) Use the precision pressed copper rod method or other corresponding methods to conduct simulated load tests. The simulated test load is 75% to 100% of the nominal force of the press, and the time should be no less than 2 hours, of which the single and continuous strokes should be no less than 1 hour each. 4.9.2 When using the simulated load test, the dry running test in 4.7 can no longer be performed, and the corresponding bearing and guide rail temperature rise measurements can be performed during the simulated load test.
4.9.3 For new products or modified design products, overload tests should be conducted at 120% of the nominal force, and the number of times should be no less than five times. 4.10 Accuracy inspection
4.10.1 The accuracy inspection of the press should comply with the regulations of ZBJ62019. 4.10.2 The total clearance of the force-applying mechanism of the press should be inspected before leaving the factory. The test method shall comply with the provisions of ZBnJ62016, and the total clearance limit shall be in accordance with Table 3. Table 3
Accuracy level
Total brewing limit
Note: P,---nominal force of press, kN.
4.11 Appearance inspection
The appearance inspection of the press shall comply with the provisions of 3.12. 4.12 Packaging inspection
The packaging inspection of the press should comply with the provisions of Chapter 5. 5 mark, packaging and transportation
5.1 anti-rust
normal grade
0.4+
80
fine grade
0,32+ 9.8
80
The rust prevention of the exposed processed surfaces of press parts, components, accessories and spare parts should comply with the regulations of ZBJ50013. 5.2 Packaging, marking and transportation
mm
The packaging and labeling of the press and its components should comply with the regulations of GB191, JB/T1829 and JB/T8356.1 and the relevant transportation and loading requirements.
5.3 Random technical documents
Each press should be supplied with the following technical documents: a) Instructions for use:
b) Certificate of conformity:
c) Installation Packing list.
6 Remanufacturer Guarantee
Under the condition that the user abides by the transportation, storage, installation and use regulations of the press, the manufacturer should guarantee that the product will be accurate within 12 months from the date of shipment. When the work cannot be carried out due to quality problems, the manufacturer shall be responsible for guaranteeing repairs, replacements, and returns. 5
1. The outer surface of the press should not have bulges, depressions or rough unevenness not specified in the drawings. The joints such as the benefit board and cover should be smooth. Exposed pipes and wires should be arranged neatly and firmly. There should be no obvious misalignment on the exposed joint surfaces. The main exposed machined surfaces should not be chipped, scratched or rusted.
3.12.2 The coating of the unmachined surfaces of all parts and accessories on the press should comply with the regulations of ZBJ50011. 3.12.3 The nameplate of the press and The fixing of various signs should be obvious, smooth, solid and not skewed. The type, size and technical requirements of the signs should comply with the regulations of GB/T13306.
4 Inspection Rules
4.1 General Principles of Inspection
4.1.1 Each press must pass the factory inspection by the manufacturer's inspection department before it can leave the factory. 4.1.2 For new Trial production appraisal of products or old products transferred to factory production. Type testing should be carried out according to the provisions of ZBnJ62016. 4.2 Items of factory testing
The press must be inspected or tested according to the following items: a) Basic parameter inspection:| |tt||b) Basic performance test:
c) Safety protection inspection;
d) Processing and assembly quality inspection;
3
e) Dry running test ;
f) Dyeing and sound inspection;
&) Load test;
h) Accuracy inspection:
i) Appearance inspection;
i) Packaging test.
4.3 Basic Parameter Inspection
JB/T5247.1—1998
The basic parameters of the press are allowed to be randomly inspected in batches. The number of random inspections in each batch shall not be less than 10%, and the tolerance shall be Comply with the requirements of Table 2. Table 2
Sequence
No.
1
2
3
4
Inspection items
Slider stroke
Maximum molding height
Molding height adjustment amount
Number of strokes
Single
mra
position||tt ||min-+
Note
1 The tolerance of item 4 in the table should be tested when the power supply is normal and running dry. 2 If the tolerance conversion result is less than 1, it will still be counted as 1. 4.4 Basic performance test
charge, difference
±1%
+5%
0
+10%
o|| tt||+10%
0
Before or during the dry running test, the press should conduct basic performance tests according to the following items: a) Various standardized operations of slider operation Test to check the flexibility and reliability of its movements; b) Height adjustment test of the installation to test its flexibility and reliability; c) Test the reliability of the lubrication device:
d) Test the safety and reliability of the electrical equipment reliability. 4.5 Safety protection inspection
The safety protection of the press should comply with the regulations of JB3350. 4.6 Processing and assembly quality inspection
The processing and assembly quality of the press should comply with the provisions of 3.7 and 3.8. 4.7 Dry running test
4.7.1 Time, action specifications and frequency of dry running test. The dry running time should be no less than 1.5h, of which the running time of continuous strokes should be no less than 1h. Single stroke The running time should be no less than 0.5h. When operating in a single stroke, the closing frequency of the high-speed clutch is 30min-. 4.7.2 Temperature rise of bearings and guide rails
During the idle running time, use a point thermometer to measure the highest heating measurable part of the part. The temperature rise and maximum temperature should comply with the following regulations: ||tt| |a) The temperature rise of the sliding bearing should not be greater than 30°C, and the maximum temperature should not be higher than 65°C; b) The temperature rise of the rolling bearing should not be greater than 35°C, and the maximum temperature should not be higher than 70°C; c) The temperature rise of the sliding guide rail It should not be greater than 15C, and the maximum temperature should not be higher than 50℃. 4.8 Noise inspection
Before the press leaves the factory, the continuous stroke noise L and the single-stroke impulse noise Le> (both A-weighted sound pressure levels) at the specified position should be checked in accordance with the requirements of 3.10.
4
4.9 Load test
JB/T5247.1—1998
4.9.1 The press should generally undergo a full load test before leaving the factory. For the full-load test method, one of the following should be selected based on the manufacturer's conditions and the requirements of the superior (or user): a) Use the punching method to do the full-load test. The number of tests should be no less than three times. The calculation of the punching force and The requirements for molds and test pieces are in accordance with the provisions of Appendix A of ZBJ62027-89.
b) Use the precision pressed copper rod method or other corresponding methods to conduct simulated load tests. The simulated test load is 75% to 100% of the nominal force of the press, and the time should be no less than 2 hours, of which the single and continuous strokes should be no less than 1 hour each. 4.9.2 When using the simulated load test, the dry running test in 4.7 can no longer be performed, and the corresponding bearing and guide rail temperature rise measurements can be performed during the simulated load test.
4.9.3 For new products or modified design products, overload tests should be conducted at 120% of the nominal force, and the number of times should be no less than five times. 4.10 Accuracy inspection
4.10.1 The accuracy inspection of the press should comply with the regulations of ZBJ62019. 4.10.2 The total clearance of the force-applying mechanism of the press should be inspected before leaving the factory. The test method shall comply with the provisions of ZBnJ62016, and the total clearance limit shall be in accordance with Table 3. Table 3
Accuracy level
Total brewing limit
Note: P,---nominal force of press, kN.
4.11 Appearance inspection
The appearance inspection of the press shall comply with the provisions of 3.12. 4.12 Packaging inspection
The packaging inspection of the press should comply with the provisions of Chapter 5. 5 mark, packaging and transportation
5.1 anti-rust
normal grade
0.4+
80
fine grade
0,32+ 9.8
80
The rust prevention of the exposed processed surfaces of press parts, components, accessories and spare parts should comply with the regulations of ZBJ50013. 5.2 Packaging, marking and transportation
mmwwW.bzxz.Net
The packaging and labeling of the press and its components should comply with the regulations of GB191, JB/T1829 and JB/T8356.1 and the relevant transportation and loading requirements.
5.3 Random technical documents
Each press should be supplied with the following technical documents: a) Instructions for use:
b) Certificate of conformity:
c) Installation Packing list.
6 Remanufacturer Guarantee
Under the condition that the user abides by the transportation, storage, installation and use regulations of the press, the manufacturer shall guarantee that the product will be accurate within 12 months from the date of shipment. When the work cannot be carried out due to quality problems, the manufacturer shall be responsible for guaranteeing repairs, replacements, and returns. 5
1. The outer surface of the press should not have bulges, depressions or rough unevenness not specified in the drawings. The joints such as the benefit board and cover should be smooth. Exposed pipes and wires should be arranged neatly and firmly. There should be no obvious misalignment on the exposed joint surfaces. The main exposed machined surfaces should not be chipped, scratched or rusted.
3.12.2 The coating of the unmachined surfaces of all parts and accessories on the press should comply with the regulations of ZBJ50011. 3.12.3 The nameplate of the press and The fixing of various signs should be obvious, smooth, solid and not skewed. The type, size and technical requirements of the signs should comply with the regulations of GB/T13306.
4 Inspection Rules
4.1 General Principles of Inspection
4.1.1 Each press must pass the factory inspection by the manufacturer's inspection department before it can leave the factory. 4.1.2 For new Trial production appraisal of products or old products transferred to factory production. Type testing should be carried out according to the provisions of ZBnJ62016. 4.2 Items of factory testing
The press must be inspected or tested according to the following items: a) Basic parameter inspection:| |tt||b) Basic performance test:
c) Safety protection inspection;
d) Processing and assembly quality inspection;
3
e) Dry running test ;
f) Dyeing and sound inspection;
&) Load test;
h) Accuracy inspection:
i) Appearance inspection;
i) Packaging test.
4.3 Basic Parameter Inspection
JB/T5247.1—1998
The basic parameters of the press are allowed to be randomly inspected in batches. The number of random inspections in each batch shall not be less than 10%, and the tolerance shall be Comply with the requirements of Table 2. Table 2
Sequence
No.
1
2
3
4
Inspection items
Slider stroke
Maximum mold height
Mold height adjustment amount
Number of strokes
Single
mra
position||tt ||min-+
Note
1 The tolerance of item 4 in the table should be tested when the power supply is normal and running dry. 2 If the tolerance conversion result is less than 1, it will still be counted as 1. 4.4 Basic performance test
charge, difference
±1%
+5%
0
+10%
o|| tt||+10%
0
Before or during the dry running test, the press should conduct basic performance tests according to the following items: a) Various standardized operations of slider operation Test to check the flexibility and reliability of its movements; b) Height adjustment test of the installation to test its flexibility and reliability; c) Test the reliability of the lubrication device:
d) Test the safety and reliability of the electrical equipment reliability. 4.5 Safety protection inspection
The safety protection of the press should comply with the regulations of JB3350. 4.6 Processing and assembly quality inspection
The processing and assembly quality of the press should comply with the provisions of 3.7 and 3.8. 4.7 Dry running test
4.7.1 Time, action specifications and frequency of dry running test. The dry running time should be no less than 1.5h, of which the running time of continuous strokes should be no less than 1h. Single stroke The running time should be no less than 0.5h. When operating in a single stroke, the closing frequency of the high-speed clutch is 30min-. 4.7.2 Temperature rise of bearings and guide rails
During the dry running time, use a point thermometer to measure the highest heating measurable part of the part. The temperature rise and maximum temperature should comply with the following regulations: ||tt| |a) The temperature rise of the sliding bearing should not be greater than 30°C, and the maximum temperature should not be higher than 65°C; b) The temperature rise of the rolling bearing should not be greater than 35°C, and the maximum temperature should not be higher than 70°C; c) The temperature rise of the sliding guide rail It should not be greater than 15C, and the maximum temperature should not be higher than 50℃. 4.8 Noise inspection
Before the press leaves the factory, the continuous stroke noise L and the single-stroke impulse noise Le> (both A-weighted sound pressure levels) at the specified position should be checked according to the requirements of 3.10.
4
4.9 Load test
JB/T5247.1—1998
4.9.1 The press should generally undergo a full load test before leaving the factory. For the full-load test method, one of the following should be selected based on the manufacturer's conditions and the requirements of the superior (or user): a) Use the punching method to do the full-load test. The number of tests should be no less than three times. The calculation of the punching force and The requirements for molds and test pieces are in accordance with the provisions of Appendix A of ZBJ62027-89.
b) Use the precision pressed copper rod method or other corresponding methods to conduct simulated load tests. The simulated test load is 75% to 100% of the nominal force of the press, and the time should be no less than 2 hours, of which the single and continuous strokes should be no less than 1 hour each. 4.9.2 When using the simulated load test, the dry running test in 4.7 can no longer be performed, and the corresponding bearing and guide rail temperature rise measurements can be performed during the simulated load test.
4.9.3 For new products or modified design products, overload tests should be conducted at 120% of the nominal force, and the number of times should be no less than five times. 4.10 Accuracy inspection
4.10.1 The accuracy inspection of the press should comply with the regulations of ZBJ62019. 4.10.2 The total clearance of the force-applying mechanism of the press should be inspected before leaving the factory. The test method shall comply with the provisions of ZBnJ62016, and the total clearance limit shall be in accordance with Table 3. Table 3
Accuracy level
Total brewing limit
Note: P,---nominal force of press, kN.
4.11 Appearance inspection
The appearance inspection of the press shall comply with the provisions of 3.12. 4.12 Packaging inspection
The packaging inspection of the press should comply with the provisions of Chapter 5. 5 mark, packaging and transportation
5.1 anti-rust
normal grade
0.4+
80
fine grade
0,32+ 9.8
80
The rust prevention of the exposed processed surfaces of press parts, components, accessories and spare parts should comply with the regulations of ZBJ50013. 5.2 Packaging, marking and transportation
mm
The packaging and labeling of the press and its components should comply with the regulations of GB191, JB/T1829 and JB/T8356.1 and the relevant transportation and loading requirements.
5.3 Random technical documents
Each press should be supplied with the following technical documents: a) Instructions for use:
b) Certificate of conformity:
c) Installation Packing list.
6 Remanufacturer Guarantee
Under the condition that the user abides by the transportation, storage, installation and use regulations of the press, the manufacturer shall guarantee that the product will be accurate within 12 months from the date of shipment. When the work cannot be carried out due to quality problems, the manufacturer shall be responsible for guaranteeing repairs, replacements, and returns. 5
1-1998
The basic parameters of the press are allowed to be randomly inspected after batches. The number of random inspections in each batch shall not be less than 10%, and the tolerances shall comply with the provisions of Table 2. Table 2
Sequence
No.
1
2
3
4
Inspection items
Slider stroke
Maximum molding height
Molding height adjustment amount
Number of strokes
Single
mra
position||tt ||min-+
Note
1 The tolerance of item 4 in the table should be tested when the power supply is normal and running dry. 2 If the tolerance conversion result is less than 1, it will still be counted as 1. 4.4 Basic performance test
charge, difference
±1%
+5%
0
+10%
o|| tt||+10%
0
Before or during the dry running test, the press should conduct basic performance tests according to the following items: a) Various standardized operations of slider operation Test to check the flexibility and reliability of its movements; b) Height adjustment test of the installation to test its flexibility and reliability; c) Test the reliability of the lubrication device:
d) Test the safety and reliability of the electrical equipment reliability. 4.5 Safety protection inspection
The safety protection of the press should comply with the regulations of JB3350. 4.6 Processing and assembly quality inspection
The processing and assembly quality of the press should comply with the provisions of 3.7 and 3.8. 4.7 Dry running test
4.7.1 Time, action specifications and frequency of dry running test. The dry running time should be no less than 1.5h, of which the running time of continuous strokes should be no less than 1h. Single stroke The running time should be no less than 0.5h. When operating in a single stroke, the closing frequency of the high-speed clutch is 30min-. 4.7.2 Temperature rise of bearings and guide rails
During the dry running time, use a point thermometer to measure the highest heating measurable part of the part. The temperature rise and maximum temperature should comply with the following regulations: ||tt| |a) The temperature rise of the sliding bearing should not be greater than 30°C, and the maximum temperature should not be higher than 65°C; b) The temperature rise of the rolling bearing should not be greater than 35°C, and the maximum temperature should not be higher than 70°C; c) The temperature rise of the sliding guide rail It should not be greater than 15C, and the maximum temperature should not be higher than 50℃. 4.8 Noise inspection
Before the press leaves the factory, the continuous stroke noise L and the single-stroke impulse noise Le> (both A-weighted sound pressure levels) at the specified position should be checked in accordance with the requirements of 3.10.
4
4.9 Load test
JB/T5247.1—1998
4.9.1 The press should generally undergo a full load test before leaving the factory. For the full load test method, one of the following should be selected based on the manufacturer's conditions and superior (or user) requirements: a) Use the punching method for the full load test. The number of tests should be no less than three times. The calculation of the punching force and The requirements for molds and test pieces are in accordance with the provisions of Appendix A of ZBJ62027-89.
b) Use the precision pressed copper rod method or other corresponding methods to conduct simulated load tests. The simulated test load is 75% to 100% of the nominal force of the press, and the time should be no less than 2 hours, of which the single and continuous strokes should be no less than 1 hour each. 4.9.2 When using the simulated load test, the dry running test in 4.7 can no longer be performed, and the corresponding bearing and guide rail temperature rise measurements can be performed during the simulated load test.
4.9.3 For new products or modified design products, overload tests should be conducted at 120% of the nominal force, and the number of times should be no less than five times. 4.10 Accuracy inspection
4.10.1 The accuracy inspection of the press should comply with the regulations of ZBJ62019. 4.10.2 The total clearance of the force-applying mechanism of the press should be inspected before leaving the factory. The test method shall comply with the provisions of ZBnJ62016, and the total clearance limit shall be in accordance with Table 3. Table 3
Accuracy level
Total brewing limit
Note: P,---nominal force of press, kN.
4.11 Appearance inspection
The appearance inspection of the press shall comply with the provisions of 3.12. 4.12 Packaging inspection
The packaging inspection of the press should comply with the provisions of Chapter 5. 5 mark, packaging and transportation
5.1 anti-rust
normal grade
0.4+
80
fine grade
0,32+ 9.8
80
The rust prevention of the exposed processed surfaces of press parts, components, accessories and spare parts should comply with the regulations of ZBJ50013. 5.2 Packaging, marking and transportation
mm
The packaging and labeling of the press and its components should comply with the regulations of GB191, JB/T1829 and JB/T8356.1 and the relevant transportation and loading requirements.
5.3 Random technical documents
Each press should be supplied with the following technical documents: a) Instructions for use:
b) Certificate of conformity:
c) Installation Packing list.
6 Remanufacturer Guarantee
Under the condition that the user abides by the transportation, storage, installation and use regulations of the press, the manufacturer shall guarantee that the product will be accurate within 12 months from the date of shipment. When the work cannot be carried out due to quality problems, the manufacturer shall be responsible for guaranteeing repairs, replacements, and returns. 5
1-1998
The basic parameters of the press are allowed to be randomly inspected after batches. The number of random inspections in each batch shall not be less than 10%, and the tolerances shall comply with the provisions of Table 2. Table 2
Sequence
No.
1
2
3
4
Inspection items
Slider stroke
Maximum molding height
Molding height adjustment amount
Number of strokes
Single
mra
position||tt ||min-+
Note
1 The tolerance of item 4 in the table should be tested when the power supply is normal and running dry. 2 If the tolerance conversion result is less than 1, it will still be counted as 1. 4.4 Basic performance test
charge, difference
±1%
+5%
0
+10%
o|| tt||+10%
0
Before or during the dry running test, the press should conduct basic performance tests according to the following items: a) Various standardized operations of slider operation Test to check the flexibility and reliability of its movements; b) Height adjustment test of the installation to test its flexibility and reliability; c) Test the reliability of the lubrication device:
d) Test the safety and reliability of the electrical equipment reliability. 4.5 Safety protection inspection
The safety protection of the press should comply with the regulations of JB3350. 4.6 Processing and assembly quality inspection
The processing and assembly quality of the press should comply with the provisions of 3.7 and 3.8. 4.7 Dry running test
4.7.1 Time, action specifications and frequency of dry running test. The dry running time should be no less than 1.5h, of which the running time of continuous strokes should be no less than 1h. Single stroke The running time should be no less than 0.5h. When operating in a single stroke, the closing frequency of the high-speed clutch is 30min-. 4.7.2 Temperature rise of bearings and guide rails
During the dry running time, use a point thermometer to measure the highest heating measurable part of the part. The temperature rise and maximum temperature should comply with the following regulations: ||tt| |a) The temperature rise of the sliding bearing should not be greater than 30°C, and the maximum temperature should not be higher than 65°C; b) The temperature rise of the rolling bearing should not be greater than 35°C, and the maximum temperature should not be higher than 70°C; c) The temperature rise of the sliding guide rail It should not be greater than 15C, and the maximum temperature should not be higher than 50℃. 4.8 Noise inspection
Before the press leaves the factory, the continuous stroke noise L and the single-stroke impulse noise Le> (both A-weighted sound pressure levels) at the specified position should be checked in accordance with the requirements of 3.10.
4
4.9 Load test
JB/T5247.1—1998
4.9.1 The press should generally undergo a full load test before leaving the factory. For the full-load test method, one of the following should be selected based on the manufacturer's conditions and the requirements of the superior (or user): a) Use the punching method to do the full-load test. The number of tests should be no less than three times. The calculation of the punching force and The requirements for molds and test pieces are in accordance with the provisions of Appendix A of ZBJ62027-89.
b) Use the precision pressed copper rod method or other corresponding methods to conduct simulated load tests. The simulated test load is 75% to 100% of the nominal force of the press, and the time should be no less than 2 hours, of which the single and continuous strokes should be no less than 1 hour each. 4.9.2 When using the simulated load test, the dry running test in 4.7 can no longer be performed, and the corresponding bearing and guide rail temperature rise measurements can be performed during the simulated load test.
4.9.3 For new products or modified design products, overload tests should be conducted at 120% of the nominal force, and the number of times should be no less than five times. 4.10 Accuracy inspection
4.10.1 The accuracy inspection of the press should comply with the regulations of ZBJ62019. 4.10.2 The total clearance of the force-applying mechanism of the press should be inspected before leaving the factory. The test method shall comply with the provisions of ZBnJ62016, and the total clearance limit shall be in accordance with Table 3. Table 3
Accuracy level
Total brewing limit
Note: P,---nominal force of press, kN.
4.11 Appearance inspection
The appearance inspection of the press shall comply with the provisions of 3.12. 4.12 Packaging inspection
The packaging inspection of the press should comply with the provisions of Chapter 5. 5 mark, packaging and transportation
5.1 anti-rust
normal grade
0.4+
80
fine grade
0,32+ 9.8
80
The rust prevention of the exposed processed surfaces of press parts, components, accessories and spare parts should comply with the regulations of ZBJ50013. 5.2 Packaging, marking and transportation
mm
The packaging and labeling of the press and its components should comply with the regulations of GB191, JB/T1829 and JB/T8356.1 and the relevant transportation and loading requirements.
5.3 Random technical documents
Each press should be supplied with the following technical documents: a) Instructions for use:
b) Certificate of conformity:
c) Installation Packing list.
6 Remanufacturer Guarantee
Under the condition that the user abides by the transportation, storage, installation and use regulations of the press, the manufacturer should guarantee that the product will be accurate within 12 months from the date of shipment. When the work cannot be carried out due to quality problems, the manufacturer shall be responsible for guaranteeing repairs, replacements, and returns. 5
11 Appearance inspection
The appearance inspection of the press shall comply with the provisions of 3.12. 4.12 Packaging inspection
The packaging inspection of the press should comply with the provisions of Chapter 5. 5 mark, packaging and transportation
5.1 anti-rust
normal grade
0.4+
80
fine grade
0,32+ 9.8
80
The rust prevention of the exposed processed surfaces of press parts, components, accessories and spare parts should comply with the regulations of ZBJ50013. 5.2 Packaging, marking and transportation
mm
The packaging and labeling of the press and its components should comply with the regulations of GB191, JB/T1829 and JB/T8356.1 and the relevant transportation and loading requirements.
5.3 Random technical documents
Each press should be supplied with the following technical documents: a) Instructions for use:
b) Certificate of conformity:
c) Installation Packing list.
6 Remanufacturer Guarantee
Under the condition that the user abides by the transportation, storage, installation and use regulations of the press, the manufacturer should guarantee that the product will be accurate within 12 months from the date of shipment. When the work cannot be carried out due to quality problems, the manufacturer shall be responsible for guaranteeing repairs, replacements, and returns. 5
11 Appearance inspection
The appearance inspection of the press shall comply with the provisions of 3.12. 4.12 Packaging inspection
The packaging inspection of the press should comply with the provisions of Chapter 5. 5 mark, packaging and transportation
5.1 anti-rust
normal grade
0.4+
80
fine grade
0,32+ 9.8
80
The rust prevention of the exposed processed surfaces of press parts, components, accessories and spare parts should comply with the provisions of ZBJ50013. 5.2 Packaging, marking and transportation
mm
The packaging and labeling of the press and its components should comply with the regulations of GB191, JB/T1829 and JB/T8356.1 and the relevant transportation and loading requirements.
5.3 Random technical documents
Each press should be supplied with the following technical documents: a) Instructions for use:
b) Certificate of conformity:
c) Installation Packing list.
6 Remanufacturer Guarantee
Under the condition that the user abides by the transportation, storage, installation and use regulations of the press, the manufacturer should guarantee that the product will be accurate within 12 months from the date of shipment. When the work cannot be carried out due to quality problems, the manufacturer shall be responsible for guaranteeing repairs, replacements, and returns. 5
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.