JB/T 8774.6-1998 Products produced according to this standard comply with the relevant provisions of GB/T 5226.1-1996 "Electrical Equipment of Machinery Industry Part 1: General Technical Conditions". This standard specifies the main dimensions, markings, technical requirements, tests and inspections of plastic-coated metal hose terminal pipe joints (hereinafter referred to as pipe joints) as accessories for machine tool electrical systems. This standard applies to terminal pipe joints for fixed plastic-coated metal hoses in machine tool electrical systems. It can also be used as a reference for electrical systems of other machines. JB/T 8774.6-1998 Plastic-coated metal hose terminal pipe joints as accessories for machine tool electrical systems JB/T8774.6-1998 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/F8774.1--8774.15—1998
Machine Tool Electrical System Accessories
1998-07-17 Issued
State Machinery Industry Bureau
1998-12-01 Implementation
JB/T8774.6--1998
This standard is formulated on the basis of the production of machine tool electrical chain accessories plastic metal hose lifting type pipe joints: the products produced according to the standard shall comply with the relevant provisions of (B/T5226.11S66 above industry machine sugar exhaust equipment part 1, road use technical conditions.
The standard was put forward by the technical committee of the China Machinery Industry Association. This standard is adopted by the Beijing Machine Tool Research Institute, the Beijing Machine Tool Research Institute, the Beijing Machine Tool Parts Factory, the Beijing First Machine Tool Factory,bZxz.net
Machinery Industry Standard of the People's Republic of China
Machine Tool Electrical System Accessories
Plastic-coated Metal Hose Terminal Connection
IB/T8774.61998
This standard specifies the main standard for the plastic metal hose end-connection type pipe connection (hereinafter referred to as pipe connection) of the electrical system of machine tools! Technical requirements - experimental inspection, etc.,
This standard uses the plastic metal hose end-connection type pipe connection specified in the ten machine tool electrical systems. Other electrical system cores may be used accordingly.
2 Referenced standards
The texts contained in the following standards, when used in this standard, become the texts of this standard, and the versions indicated are valid when this standard is published. All standards will be revised, and the parties using this standard should consider using the latest version of the following standards, GB1971
GBTO0RR
66 7307-87
GB9438-88
GB9:40-85
GE/T5226.1
1 Structure
Example of joint structure
General grain performance characteristics m)
Carbon traction structural steel
Deep grain pipe butterfly velvet||Technical requirements for casting
Forgeable cast iron parts
Industrial electrical equipment Part 1: General technical parts Technical requirements for tropical low-voltage power screens
1-Screw width 2-Pressure kidney expansion 13-Round temporary enclosure = -Header natural pad obvious town mother protection time: 1
4 Main dimensions
Technical requirements see Figure 2
National Machinery Industry Bureau 1008-07-17 approved
Accessory specifications
X14N 1. 5
X$6×2
Gold-clad soft
Pipe male analysis color
JE/T8774.6—1998
The actual marking item name, type, connector number is optional, the nominal inner diameter of the same gold tube and the card number are expressed, the additional gold is based on the actual standard of the hose male inner diameter of 15 type A kidney! For pipe connection M27/15JB/8771.5-18
the standard specification is G\ the A-type pipe connection with a nominal inner diameter of 15 is marked as: connection G/15JB/TR771.5-19
technical specification -M2×, the B-type connection with a nominal inner diameter of 1 is marked as: connection M57×2/15JB/=8V.61558
[H/18774.6—1998
the standard specification for the replacement head is G\ the A-type pipe connection with a nominal inner diameter of 15 is marked as: connection G/15JB/TR771.5-19
technical requirements
6.! The material of the joint body must be a special alloy, a special micro alloy or other materials with sufficient temperature resistance: 6.2 The strength of the calcium alloy shall meet the requirements of B9438. 6.3 The width of the cast iron shall meet the requirements of GB[440. Therefore, the material strength of the joint body shall meet the requirements of the specification. 6.5 The fastener material shall be a non-metal material with sufficient elasticity and quick expansion. 6. The length of the joint is a normal pattern, the standard is 17, the bad pattern is meat explosion effect is 7H; for the number of patterns, the branch meets the requirements of B, 6.7 The port of the pipe connection number should have a cross angle, 6. The pipe joint should be firmly combined with the plastic-coated hose, and the grounding should be reliable. 6.9 The connection of the joint can ensure that the plastic-coated hose will not be damaged by the surface damage, and the surface of the outlet should be damaged. 6.1 The outlet of the pipe should take appropriate anti-rust measures as needed. If the user has requirements for heat resistance, salt resistance, and zero bacteria resistance (special order), its products should meet the requirements of B514, 6.11 The length of the six outlets should not be easy to disappear, and the nominal diameter of the outlet should be the same as that of the factory or the joint body, and the package should be the national nominal diameter.
Test and inspection
7.1 Inspection of materials (such as small size, quality, etc.) shall meet the requirements of Sections 4 and 5. 7.2 Pull test
Install the metal hose on the joint and pull it along its axis to ensure that the joint is not damaged. The metal hose shall not fall off.
7.3 Water test
Put the joint of the pipe joint and the plastic hose into water with a depth of 15Vmm and a diameter of 240,000. The joint shall not be exposed to water. 7.4 Grounding test
When testing the grounding resistance of the wide joint, the product shall meet the requirements of GB/5226.1. 2'
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