JB/T 3790.1-1994 Mechanical automatic strapping machine

JB/T 3790.1-1994 Mechanical automatic strapping machine JB/T3790.1-1994 Standard download decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
JB/T 3790.1-94
Mechanical automatic strapping machine
1994-07-18 Issued
Ministry of Machinery Industry of the People's Republic of China
Implementation on 1995-07-01
Mechanical Industry Standard of the People's Republic of China
Mechanical automatic strapping machine
1 Subject content and scope of application
JB/T 3790.1-94
Replaces part of JB3790-84
This standard specifies the terminology, types and basic parameters, technical requirements, test methods, inspection rules, as well as marking, packaging, transportation and storage of mechanical automatic strapping machines.
This standard applies to automatic strapping machines (hereinafter referred to as strapping machines) that use machine-made plastic strapping tape (hereinafter referred to as strapping tape) as strapping materials, use mechanical transmission to achieve strapping action, and use hot-melt lap joints as joint types. Reference standards
GB 7311
GB12023
Packaging storage and transportation graphic signs
Packaging machinery model compilation method
Plastic strapping tape
GB/T13306 Label
ZB J50 004
3 Terms
Determination of noise sound pressure level of metal cutting machine tools 3.1 Mechanical automatic strapping machine
A machine that uses mechanical transmission, does not require manual strapping, and can automatically strap packages continuously or in a single pass. 3.2 Time per strapping
The time required to complete each standard package. 3.3 Effective bundling
Bundling except when the strapping tape cannot be bonded, the feeding and retracting tape is not in place, and the strapping cycle is abnormal. 3.4 Bundling qualification rate
The ratio of the effective number of bundling times to the total number of bundling times. 3.5 Tightening force
The tightening force of the strapping tape on the package after a single bundling. Joint breaking force
The force required to break the strapping tape joint after bundling. 4
Type and basic parameters
The product should be divided into six types according to its structure: a.
Ordinary strapping machine;
Low-table strapping machine:
Side strapping machine:
Double-track strapping machine:
Pressure-type digging machine;
Approved by the Ministry of Machinery Industry on July 18, 1994
Implemented on July 1, 1995
f. Lightweight strapping machine.
4.2 Basic parameters and dimensions shall be in accordance with the provisions of Table 1. Group
Maximum bundling size
600×400
600 X 600
600×800
800×600
600x1200
800X800
800X1000
1000X600
1000×800
800X1200
1000×1000
1000×1200
Working table height
Ordinary type
750-900
JB/T 3790.1—94
Low-profile
350~500
Note: The power of the double-track strapping machine is twice the data listed in Table 1. 4.3 Model compilation
The model compilation of the strapping machine shall comply with the provisions of GB7311. 5 Technical requirements
Time for each strapping
Standard package size
300×300×300
400×400×400
500X500X500
5.1 The strapping machine shall comply with the requirements of this standard and be manufactured according to the drawings and technical documents approved by the prescribed procedures. 5.2 Operation performance
5.2.】The mechanical transmission is normal and the movement is stable. 5.2.2 The working parts move in a coordinated and accurate manner and all parts are firmly installed. Strapping tape width
10 or 13.5 or 15.5
13.5 or 15.5
5.2.3 The operation button should be flexible and reliable. The circuit control action is normal, the electrical equipment is safe and reliable, and the indicator light displays normally. 5.2.4 The strapping machine sends and retracts the strap accurately, and the strapping disc brakes reliably. 5.3 Each strapping time
Each strapping time should comply with the provisions of Table 1. 5.4 Tightening force
The tightening force should be adjustable. For strapping machines with a strapping tape width of not less than 13.5mm, the maximum tightening force of a single strapping should not be less than 600N; for strapping machines with a strapping tape width of less than 13.5mm, the maximum tightening force of a single strapping should not be less than 500N: the maximum tightening force of a single strapping machine for lightweight strapping machines should not be less than 350N.
5.5 Power supply voltage fluctuation range
When the power supply voltage and the rated voltage deviate within the range of -10% and +5%, the machine should work normally. The tightening force should meet the requirements of Article 5.4.
5.6 Iron head temperature rise time
After turning on the main power switch, the time for the iron head to rise from room temperature to 300℃ should not exceed 2 minutes. 2
5.7 Iron head surface temperature
JB/T 3790.1---94
The iron head surface temperature should be adjustable within the range of 200~370℃. 5.8 Joint quality
5.8.1 The appearance of the joint has no over-melting phenomenon, the upper and lower layers are aligned, and the center offset should not be greater than 1.5mml. The length of the un-scalded part at the end of the joint should not be greater than 2 mm
5.8.2 The breaking force of the joint, the polypropylene strapping tape should not be less than 80% of the breaking tensile force specified in the original tape standard. The polyethylene strapping tape should not be less than 70% of the breaking tensile force specified in the original tape standard. 5.9 Smoke exhaust
The strapping machine should be equipped with a smoke exhaust device. The smoke exhaust should be normal during strapping. 5.10 Strapping qualified rate
5.10.1 When the width of the plastic strap is not less than 13.5mm, its strapping qualified rate shall comply with the following provisions: The strapping qualified rate of the strapping machine of Group 1 and Group 2 in Table 1 shall not be less than 99%, and the strapping qualified rate of the double-track strapping machine shall not be less than a.
The qualified rate of the strapping machine of Group 3 in Table 1 shall not be less than 98%, and the qualified rate of the strapping machine of the double track shall not be less than 96%. b.
5.10.2 When the width of the plastic belt is less than 13.5mm, the qualified rate of strapping shall be reduced by 1% accordingly. 5.11 Electrical safety
The cold insulation resistance between the main circuit and the casing of the strapping machine shall not be less than 2MO. 5.12 Working noise
When the strapping machine is working, its noise value (A-weighted sound pressure level) shall not be greater than 82dB(A). 5.13 Appearance quality
The surface of the electroplated parts shall be smooth and fine, and shall not have defects such as rust spots, peeling, and blistering: a.
b. The surface paint or plastic spraying shall be firm, smooth, and uniform in color, and shall not have obvious scratches and bumps and other defects that damage the appearance. 5.14 Scope of supply of complete set of strapping machine
One strapping machine:
Random tools;
Random accessories and wearing parts;
Random technical documents.
5.15 Warranty period
If the user complies with the rules of use, storage, installation and transportation of the product, within one year from the date of arrival of the product at the place of receipt, if the product cannot work properly due to poor manufacturing quality, the manufacturer shall be responsible for repairing or replacing parts (excluding wearing parts) for the user free of charge. 6 Test method
6.1 Test conditions
Test instruments, meters and measuring tools
6. 1. 1 1
Voltmeter, megohmmeter (accuracy not less than 1.5); stopwatch:
Digital thermometer;
Vernier caliper;
Tensile testing machine:
Sound level meter:
Dynamometer (outer dimensions: height 365mm, width 300mm). The packing tape used for the test shall comply with the provisions of GB12023. During the test, the box with the dimensions specified in Table 1 shall be used as the standard package. 3
6.1.4 The test environment temperature shall not be lower than 0℃. 6.2 Idle running testWww.bzxZ.net
JB/T 3790. 1-94
Each product shall be subjected to an idle running test. The idle running time shall not be less than 1h. During the idle running test, the machine performance shall be checked and shall comply with the provisions of Articles 5.2.1 to 5.2.3.
6.3 Test of each bundling time
Use standard packages as bundling pieces, and continuously bundle 30 pieces. The average value is used to calculate the bundling time for each piece, which shall comply with the provisions of Article 5.3. 6.4 Bundling force test
Use a dynamometer as a bundling piece, and bundle 10 pieces at rated voltage. The bundling force for each piece shall comply with the provisions of Article 5.4. 6.5 Voltage fluctuation range test
Use a dynamometer as a bundling piece.Use the voltage regulator to adjust the working voltage. When it is 10% lower than the rated voltage and 5% higher than the rated voltage, each bundle is 10 times, and it shall comply with the provisions of Article 5.5. 6.6 Temperature rise and temperature adjustment test of the iron head
6.6.1 When the temperature adjustment button is adjusted to the highest point, turn on the main power switch and use a digital thermometer to measure the temperature of the working part of the iron head. When the temperature rises from room temperature to 300℃, use a stopwatch to detect the heating time, which shall comply with the provisions of Article 5.6. 6.6.2 When the temperature adjustment button is turned to the highest and lowest points, detect the surface temperature of the working part of the iron head, and it shall comply with the provisions of Article 5.7. 6.7 Joint quality test
6.7.1 Randomly select 10 strapping tape joints in continuous bundling, check the center offset of each joint and the length of the uniron part at the end, calculate the average value of the 10 joints, and it shall comply with the relevant provisions of Article 5.8.1. 6.7.2 Joint breaking force test
Randomly select 30 strapping tapes from the bundling test, and take the joint in the middle of each tape with an effective length of 200mm as the sample. Test on the tensile testing machine with a tensile speed of 100mm/min. The average value of the joint breaking force shall comply with the provisions of Article 5.8.2. 6.8 Smoke exhaust mechanism inspection
Inspect the performance of the smoke exhaust mechanism when the strapping machine is working continuously. It shall comply with the provisions of Article 5.9. 6.9 Bundling qualification rate
Use standard packages as bundling packages for continuous bundling of 200 (factory inspection) or 1000 (type inspection). The bundling qualification rate shall comply with the provisions of Article 5.10.
6.10 Electrical safety test
Use a megohmmeter to measure the insulation resistance. It shall comply with the provisions of Article 5.11. 6.11 Working noise test
During the continuous bundling process, the noise level shall be measured by a sound level meter according to the method specified in ZBJ50004. The noise value shall comply with the provisions of Article 5.12. 6.12 Appearance quality inspection
Inspect the appearance quality of the machine and comply with the provisions of Article 5.13. 7 Inspection rules
7.1 Each product shall be inspected and qualified by the factory quality inspection department and accompanied by a product certificate before it can be shipped. 7.2 Product inspection is divided into factory inspection and type inspection. 7.3 Factory inspection items shall be in accordance with the provisions of Table 2. 4
Factory inspection items
Operation performance
Tightening force
Joint quality
Tightening qualification rate
Electrical safety
Appearance quality
Type inspection
JB/T 3790. 1-94
Technical requirements
Type inspection should be carried out in any of the following situations: when new products are trial-made and identified;
After formal production, if there are major changes in materials, structures, and processes that may affect product performance; during normal production, an inspection is carried out once a year; when the product is resumed after a long period of suspension; when there is a major difference between the factory inspection results and the last type inspection. Type inspection items are all items specified in Chapter 6. Sampling judgment for type inspection
Test method clause
Type inspection shall be conducted by randomly selecting 1~2 units from the qualified products of factory inspection. If there are unqualified items, double inspection shall be conducted. If there are still unqualified items, the batch of products shall be judged as unqualified products. 8
Marking, packaging, transportation and storage
Each product shall be fixed with a label in an obvious position. The label size shall comply with the provisions of GB/T13306 and the content shall be as follows: a.
Manufacturer name:
Product name;
Product model and specification:
Product factory number:
Exit date.
8.2 Before packaging the product, the exposed processed surface shall be coated with rust preventive agent. 8.3 The product shall be protected and packaged in a packaging box, and waterproof material shall be laid in the box. The packaging box shall be suitable for transportation and loading requirements. 8.4 The marking of the packaging box shall comply with the provisions of GB191. Each product should be accompanied by the following technical documents when it leaves the factory: 8.5
Packing list:
Product factory certificate:
Product instruction manual.
8.6The packaged products should be protected from violent thunder and rain during transportation. 8.7The products should be stored in a dry, ventilated, indoor place without corrosive gas. 5
Additional instructions:
JB/T 3790.1—94
This standard was proposed and managed by the Hefei General Machinery Research Institute of the Ministry of Machinery Industry. This standard was drafted by Wenzhou Packaging Machinery General Factory and the Hefei General Machinery Research Institute of the Ministry of Machinery Industry. The main drafters of this standard are Wu Qinghong and Shi Ruiping. 6
People's Republic of China
Mechanical Industry Standard
Mechanical Automatic Strapping Machine
JB/T 3790.1-94
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 (Box 8144, Beijing: Postal Code 100081)
Copyright reserved. No reproduction allowed
Format 880X1230
Sheet 5/8
Word count 10.000
First printing in April 1995
First edition in April 1995
Print count 00,001-500
Price 6.00 yuan
No. 94-11 Han
16-1*0623 The product must be protected and packed in a packing box, and waterproof materials should be laid inside the box. The packing box should be suitable for transportation and loading requirements. 8.4 The markings on the packing box should comply with the provisions of GB191. Each product should be accompanied by the following technical documents when it leaves the factory: 8.5
Packing list:
Product factory certificate:
Product instruction manual.
8.6 The packaged products should be protected from violent thunder and rain during transportation. 8.7 The product should be stored in a dry, ventilated, and non-corrosive indoor place. 5
Additional instructions:
JB/T 3790.1—94
This standard was proposed and managed by the Hefei General Machinery Research Institute of the Ministry of Machinery Industry. This standard was drafted by Wenzhou Packaging Machinery General Factory and the Hefei General Machinery Research Institute of the Ministry of Machinery Industry. The main drafters of this standard are Wu Qinghong and Shi Ruiping. 6
People's Republic of China
Mechanical Industry Standard
Mechanical Automatic Strapping Machine
JB/T 3790.1-94
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 (Box 8144, Beijing: Postal Code 100081)
Copyright reserved. No reproduction allowed
Format 880X1230
Sheet 5/8
Word count 10.000
First printing in April 1995
First edition in April 1995
Print count 00,001-500
Price 6.00 yuan
No. 94-11 Han
16-1*0623 The product must be protected and packed in a packing box, and waterproof materials should be laid inside the box. The packing box should be suitable for transportation and loading requirements. 8.4 The markings on the packing box should comply with the provisions of GB191. Each product should be accompanied by the following technical documents when it leaves the factory: 8.5
Packing list:
Product factory certificate:
Product instruction manual.
8.6 The packaged products should be protected from violent thunder and rain during transportation. 8.7 The product should be stored in a dry, ventilated, and non-corrosive indoor place. 5
Additional instructions:
JB/T 3790.1—94
This standard was proposed and managed by the Hefei General Machinery Research Institute of the Ministry of Machinery Industry. This standard was drafted by Wenzhou Packaging Machinery General Factory and the Hefei General Machinery Research Institute of the Ministry of Machinery Industry. The main drafters of this standard are Wu Qinghong and Shi Ruiping. 6
People's Republic of China
Mechanical Industry Standard
Mechanical Automatic Strapping Machine
JB/T 3790.1-94
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 (Box 8144, Beijing: Postal Code 100081)
Copyright reserved. No reproduction allowed
Format 880X1230
Sheet 5/8
Word count 10.000
First printing in April 1995
First edition in April 1995
Print count 00,001-500
Price 6.00 yuan
No. 94-11 Han
16-1*062
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.