Some standard content:
Chemical Industry Standard of the People's Republic of China
HG/T2270-92
Inner Tube Joint Machine
Published on 1992-01-08
Ministry of Chemical Industry of the People's Republic of China
Standard Exchange Network m.bm
oo Free download of various standard industry information
Implementation on 1992-07-01
Chemical Industry Standard of the People's Republic of China
Inner Tube Joint Machine
Subject Content and Scope of Application
HG/T2270-92
This standard specifies the specification series and basic parameters, technical requirements, safety requirements, test methods and inspection rules, marking and packaging of inner tube joint machines (hereinafter referred to as joint machines). This standard applies to joint machines for connecting various tire inner tubes. 2 Reference standards
Provisions without tolerances
GB1184 Shape and position tolerances
Safety colors
GB2893
ZBG95010 Technical conditions for painting of rubber and plastic machineryJB8 Product labels
JB2131 General technical conditions for hydraulic components
General technical conditions for appearance of rubber machinery
HG5-1541#
General technical conditions for packaging of rubber machinery
HG5-1543 meters
3 Specification series and basic parameters
3.1 Specification series: maximum connection width 140, 360, 450, 560, 630 mm. 3.2 The basic parameters of the joint machine shall comply with the provisions of Table 1: Table 1
Butt width, mm
Maximum butt thickness, mm
Minimum butt length, mm
Maximum butt pressure. MPa
Maximum holding pressure, MPa
Maximum butt force, kN
Maximum clamping force, kN
Electric hot knife temperature,
20~140
Room temperature~300
60~360
Room temperature~550
Ministry of Chemical Industry of the People's Republic of China approved on January 8, 1992450
90~450
Standard mm.b28080.com Various standards Industry resources Free download 560
250~560
Room temperature~650
340~630
1992-07-01 implementation
HG/T2270--9
4 Technical requirements
4.1 The jointing machine shall comply with the requirements of this standard and be manufactured in accordance with the drawings and technical documents approved by the prescribed procedures. 4.2 The jointing machine shall have manual and program control systems, and be able to complete the process of clamping, cutting, butt jointing, etc. Each action shall be accurate and reliable. 4.3 The jointing machine shall have the function of adjusting the butt joint force, clamping force, electric hot knife temperature and speed. 4.4 When the joint machine adopts vertical cutting, the intersection angle between the electric heating knife and the cutting surface is 10°~20°; when cutting horizontally, the intersection angle between the electric heating knife and the cutting surface is 10°~14°,
4.5 The hardness of the upper layer of the rubber layer of the buffer plate is Shore A70°~76°. The tear strength of the rubber layer of the buffer plate and the metal plate shall not be less than 2.9MPa. 4.6
The hydraulic cylinder shall be subjected to a pressure test, and the test pressure shall be 1.5 times the working pressure, and the pressure shall be maintained for 5min, and there shall be no leakage. 4.7
Hydraulic components shall comply with the provisions of JB2131. 4.8
4.9The cylinder shall be subjected to a water pressure test, and the test pressure shall be 1.5 times the working pressure, and the pressure shall be maintained for 5min, and there shall be no leakage. 4.10 The left and right clamping hydraulic (gas) cylinders shall move synchronously after adjustment, and the error shall not exceed 2.s.4.11 The left and right workbenches of the jointing machine shall be on the same horizontal plane, and their flatness shall comply with the 9th grade tolerance value specified in Appendix 1 of GB1184 within the effective working range.
4.12 The parallelism of the left and right clamping surfaces to the left and right workbenches shall comply with the 8th grade tolerance value specified in Appendix 3 of GB1184 within the effective working range.
4.13 The appearance quality of the product shall comply with the provisions of HG5-1541.4.14 The painting of the product shall comply with the provisions of ZBG95010. The average trouble-free working time of the horizontal cutting joint machine shall not be less than 300h. 4.15
5 Safety requirements
5.1 The joint machine must have an interlocking device that can be started only when two buttons are operated by both hands at the same time. 5.2 The joint machine should have a safety device to prevent the clamping mechanism from falling down by itself. When cutting vertically, there must also be a safety device to prevent the electric hot knife from falling down by itself.
5.3 The joint machine should have an easy-to-operate emergency brake device and ensure that the machine can stop running at any position. 5.4 During the operation of the whole machine, the oil temperature of the oil tank should not exceed 50℃. 5.5 The safety color of the joint machine should comply with the provisions of GB2893. 5.6 The noise sound pressure level of the joint machine during operation shall not exceed 80dB (A) 6 Test methods and inspection rules
Idle running test
The following items should be checked before the idle running test: 6.1.1
Check that the flatness of the left and right working surfaces shall comply with the provisions of Article 4.11; a.
Check that the parallelism of the left and right clamping surfaces to the left and right working surfaces shall comply with the provisions of Article 4.12. b.
The idle running test time shall not be less than 1h, and the following items shall be checked during the test: 6.1.2
Check that the clamping, cutting, docking, resetting and other actions shall comply with the provisions of Article 4.2; a.
The interlocking device, safety device and emergency brake device shall be tested for no less than 20 times, and their reliability shall be checked to comply with the provisions of Articles 5.1, 5.2 and b.
5.3:
Adjust the left and right clamping hydraulic (gas) cylinders, and use a stopwatch to measure their asynchronous error, which shall comply with the provisions of Article 4.10; According to Article 4.4, for vertical cutting joint machines, the angle ruler directly measures the angle: for horizontal cutting joint machines, use a steel ruler to measure d.
Measure the front and rear widths of the electric heating knife holder and the distance between them, and calculate the angle according to the tangent relationship of trigonometric functions; e.
Use a type 2 sound level meter The noise sound pressure level during operation shall comply with the provisions of Article 5.6. ... |Stable temperature,
Note: The stable temperature is the temperature when the room temperature is 20℃ and the potential value is relatively stable.
The power-on time is 50s,
Check that the basic parameters should comply with the requirements of Table 1d.
The inner tube tire joints should be connected for no less than 10 times, and the connected tire joints should be qualified products (excluding unqualified products not caused by the joint machine itself),
6.3 Inspection rules
6.3.1 Each product must be tested for idling before leaving the factory. 6.3.2 Load operation test is only carried out under the following circumstances: a.
Trial and final evaluation of new products or old products transferred to the factory for production: when the product has major changes in design, structure, materials, and processes; when the product has been discontinued for more than 3 years and production is resumed; during normal production, each At least one unit shall be sampled and tested every year. d.
6.3.3 When the load operation test fails, two more units shall be sampled and tested; if one unit still fails, the batch of products shall be tested one by one.
6.3.4 Each product must be inspected and qualified by the quality inspection department of the manufacturer before it can be shipped out of the factory. When it leaves the factory, it shall be accompanied by a product quality certificate and main measured data.
7 Marking, packaging, transportation, storage
Each product shall have a product label fixed in a conspicuous position. The type, size and technical requirements of the label shall comply with the provisions of JB8. 7.1
7.2 The basic content on the product label shall include: a.
Manufacturer name or trademark;
Product name and model:
Main parameters of the product;
Factory number;
Date of manufacture.
7.3 Product packaging should comply with the provisions of HG5-1543. 7.4 Product transportation should comply with the relevant regulations of the transportation department. 7.5 The product should be stored in a rainproof, dry, ventilated warehouse or temporary shed and kept properly. Standard exchange network m, b80
.00m Customer standard industry data free download Additional notes:
HG/T2270-92
This standard is proposed by China Chemical Equipment Corporation, Ministry of Chemical Industry of the People's Republic of China. This standard is under the jurisdiction of the Rubber Machinery Sub-Technical Committee of the National Rubber and Plastic Machinery Standardization Technical Committee. This standard is drafted by the Machinery Branch of Shanghai Zhengtai Rubber Factory. The main drafters of this standard are Wang Jifen, Shen Ruimin, and Lang Huixin. From the date of implementation of this standard, the original standards HG5-1534-83 "Inner Tube Jointing Machine Series and Basic Parameters" and HG5-1535-83 "Inner Tube Jointing Machine" issued by the Ministry of Chemical Industry of the People's Republic of China will be invalid. Standard exchange network matb280e0-c0m various American standard industry data free download People's Republic of China
Chemical industry standard
Inner tube joint machine
HG/T2270-92
Editor Chemical industry standard editor
(Ministry of Chemical Industry Standardization Research Institute)
Postal code: 100013
Printing Ministry of Chemical Industry Standardization Research Institute
Copyright exclusive and no reproduction
Format 880×12301/16 Printing number 7000 First edition in June 1993
First printing in June 1993wwW.bzxz.Net
Print number! —500
Standard exchange network: m.b88080.c0m various industry data charge download
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.