HG/T 2602-1994 Rubber Cutting Machine HG/T2602-1994 Standard Download Decompression Password: www.bzxz.net

Chemical Industry Standard of the People's Republic of China
HG/T2602-94
Vertical Rubber Cutting Machine
Published on April 8, 1994
Implementation on October 1, 1994
Published by the Ministry of Chemical Industry of the People's Republic of China Chemical Industry Standard of the People's Republic of China
Vertical Rubber Cutting Machine
Subject Content and Scope of Application
HG/T 2602-94
Replaces HG5-1563-84
This standard specifies the models and basic parameters, technical requirements, safety and environmental protection requirements, test methods and inspection rules of vertical rubber cutters (hereinafter referred to as rubber cutters).
This standard applies to single-blade vertical rubber cutting machines. 2 Reference standards
GB1148 Shape and position tolerances Provisions for unmarked tolerances GB/T12783 Method for compiling rubber and plastic machinery product models GB/T13306 Signs
HG/T2108
ZBG95010
HG 5-1541
HG5-1543
Determination of sound pressure level of rubber machinery noise
General technical conditions for painting of rubber and plastic machinery General technical conditions for appearance of rubber machinery
General technical conditions for packaging of rubber machinery
3 Models and basic parameters
3.1 The model and representation method of the rubber cutting machine shall comply with the provisions of GB/T12783. 3.2 The basic parameters of the rubber cutting machine shall comply with the provisions of the following table. Item
Total rubber cutting pressure/kN
Maximum rubber cutting width/mm
Maximum rubber cutting stroke/mm,
Maximum working pressure/MPa
Round trip time of rubber cutting stroke/s
Motor power/kW
Note: The specifications in brackets are temporarily reserved.
700(600)
4 Technical requirements
HG/T2602-94
Rubber cutting machines shall comply with the requirements of this standard and be manufactured in accordance with the drawings and technical documents approved by the prescribed procedures. 4.1
4.2 The rubber cutting machine shall have manual and semi-automatic control devices. 4.3 The rubber cutting machine should have a working pressure adjustment and display device 4.4 The hardness of the blade part of the blade is HRC60~67, and the hardness difference of the same piece is HRC3. The surface roughness of the blade Ra<1.6um.
The surface of the blade is smooth and shall not have defects such as cracks, burrs, rust and poor bonding. 4.6
The hydraulic (gas) pressure pipeline system shall be subjected to a sealing test of 1.25 times the working pressure, and there shall be no seepage (leakage) for 5 minutes. 4.7
The parallelism of the piston rod with the column guide surface within the effective stroke range shall comply with the provisions of the 9th grade tolerance grade in Appendix 3 of GB1184. 4.8
4.9 During operation, the temperature of the oil in the oil tank shall not exceed 60℃, and the temperature rise shall not exceed 30℃. The appearance quality shall comply with the provisions of HG5-1541. 4.10
The product painting shall comply with the provisions of ZBG95010. The average trouble-free working time of the rubber cutter shall not be less than 360h. 5 Safety and environmental protection requirements
5.1 The rubber cutter shall have an emergency stop device to ensure that the cutter can stop running at any position. 5.2 When hydraulic transmission is used, a safety protection device shall be installed when the connection between the oil pump and the drive motor is exposed. 5.3 The noise sound pressure level of the whole machine during idling operation shall not exceed 80dB(A); the noise sound pressure level during load operation shall not exceed 83dB(A). 6 Test method
Idle operation test
6.1.1 The number of idling cutter operations shall not be less than 10 times. 6.1.2
The following items shall be checked during the idling test. Check the maximum rubber cutting width and stroke according to the provisions in the table: a.
b. Check according to Article 4.2; 4.3 and 5.2: Check the leakage of the hydraulic (gas) pressure system according to Article 4.7: c.www.bzxz.net
d. Check with a measuring stand with an indicator according to Article 4.8; perform the emergency stop test for no less than 5 times according to Article 5.1 to check its reliability; e.
Check the noise according to the requirements of HG/T2108. It should meet the provisions of Article 5.3. 6.2 Load operation test (can be carried out in the user's factory) 6.2.1 The load operation test can be carried out only after the idling test is passed. Cut the rubber material for no less than 10 times during the test. 6.2.2 The following items should be checked during the load operation test: a. Check the working pressure as specified in the table;
b. Measure the round trip time of the rubber cutting stroke with a stopwatch as specified in the table; Check the maximum temperature and temperature rise with a thermometer of not less than level 1.5 and a range of not more than 100°C as specified in Article 4.9; c.
d. Check the noise as required by HG/T2108 and it should comply with Article 5.3, 2
7 Inspection rules
7.1 Factory inspection
7.1.1 Each product must be tested for idling before leaving the factory. HG/T2602-94
7.1.2 Before leaving the factory, the paint and appearance quality should be checked according to Articles 4.10 and 4.11. 7.1.3 Each product must pass the quality inspection of the manufacturer before leaving the factory, and a certificate proving the quality of the product should be attached when leaving the factory. 7.2 Type inspection
7.2.1 Type inspection shall be conducted for each of the provisions in this standard. 7.2.2
Type inspection shall be conducted in any of the following circumstances. Trial production and identification of new products or old products transferred to the factory a.
After formal production, if there are major changes in structure, materials and processes, which may affect product performance; b.
During normal production, one unit shall be sampled and tested every three years; c.
When production is resumed after three years of suspension; d.
When the national quality supervision agency proposes the requirement for type inspection, if the sample inspection fails, two more units shall be sampled and tested; if there is still one unit that fails, the batch of products shall be inspected one by one. 7.2.3
8 Marking, packaging, transportation and 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 regulations of GB/T13306. The basic contents of the product label include:
Manufacturer name or trademark;
Product model and name;
Main parameters of the product;
d.Product factory number;
Manufacturing date.
8.3 Product packaging shall comply with the regulations of HG5-1543. 8.4 Product transportation shall comply with the relevant regulations of the transportation department. 8.5
Products shall be stored in rainproof and ventilated warehouses or temporary sheds and properly kept. 9 Others
9.1 Raw rubber materials must be preheated according to process requirements. 9.2 Under the condition that users comply with relevant requirements such as transportation, storage, installation and use, the warranty period of the product is 12 months from installation, but not more than 18 months from the date of arrival of the product. Additional instructions:
HG/T2602-94
This standard is proposed by China National Chemical Equipment Corporation. This standard is under the jurisdiction of the Rubber Machinery Sub-Technical Committee of the National Technical Committee for Rubber and Plastic Machinery Standardization. This standard was drafted by the Machinery Manufacturing Plant of Shanghai Tire and Rubber (Group) Co., Ltd. The main drafters of this standard are: Wang Jifen and Ma Yougang. The original Chemical Industry Ministry Standard HG5-1563 "Vertical Hydraulic Rubber Cutting Machine" will be invalid from the date of publication of this standard. People's Republic of China
Chemical Industry Standard
Vertical Rubber Cutting Machine
HG/T2602-94
China National Chemical Equipment Corporation
Postal Code 100011
Printed by Beijing Institute of Chemical Technology Printing and Cutting Factory
Copyright reserved
880×1230
First Edition March 1995
No Reproduction
9,000 Words
First Printing March 1995
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