JB/T 8774.10-1998 Two-way flange pipe joints for machine tool electrical system accessories

This standard specifies the main dimensions, markings, technical requirements, tests and inspections of two-way flanged pipe joints (hereinafter referred to as pipe joints) for machine tool electrical system accessories. This standard applies to two-way flanged pipe joints for connecting steel pipes or pipe joints for cables and wires in machine tool electrical systems. It can also be used as a reference for electrical systems of other machines. JB/T 8774.10-1998 Two-way flanged pipe joints for machine tool electrical system accessories JB/T8774.10-1998 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
JU/[8774.10—1998
This standard is formulated based on the experience of the general station in producing machine tool electrical system accessories "through flange type sound obtaining connector" in 2000. The products produced according to the standard shall comply with the relevant provisions of GB/5226.1196 Industrial Lock Electrical Equipment Part 1, General Technical Provisions 3. This standard was proposed by the China Enterprise Standardization Technical Committee for Cutting Machine Tools: The standard was drafted by the Beijing Machine Tool Research Institute of the Ministry of Machinery Industry in 2000, and the six standard drafts were organized by the Beijing Machine Tool Research Institute, Tianli City Machine Tool Connection Parts Factory, Daizhou Wujin Machine Tool Electric Co., Ltd., Beijing First Machine Tool Factory, and Chemical Industry Second Machine Tool Factory.
1 Scope
Machinery Industry Standards of the People's Republic of ChinaWww.bzxZ.net
Machine Tool Electrical System Accessories
Two-Way Flange Pipe Joints
JB/T 8774.161998
This standard specifies the main dimensions + markings, technical requirements, tests and inspections of the two-way flange secondary pipe heads (referred to as joints) of machine tool electrical system accessories.
This standard specifies the two-way flange secondary pipe heads that must be connected to the steel pipes used for electrical wires in the electrical system of machine tools. Other electrical systems of other machines can also use them accordingly:
2 Referenced standards
The provisions contained in the following standards, when cited in other standards, constitute the provisions of this standard: When this standard is revised, all versions are valid. All standards will be revised, and all parties to this standard should consider using the latest version of the following standards. GB 65-85
GB167-31
GB 7-88
G073C7-87
GBS438-B8
GB5440 98
Opening ring column head vibration
General case velvet public mark and fit (point diameter!~)
Condensation structural steel
Non-repair sound through the intelligent section
Aluminum alloy technical series
Forgeable iron parts
GR/TEE26.1
1996 Mechanical and electrical equipment Part 1: General technical conditions 485
3 Structure
Technical requirements for tropical low voltage power transmission
Tube head connection will be shown in Figure!
4 Main dimensions
The main dimensions of the connector are in accordance with 2 and Table 1
Approved by the National Machinery Industry Corporation in 1996-0717
Implementation in 1998-12
Head part point
XIG×1. :
S mark
JB/T87T4.101998
Junshi area
Length of the piece joint: Japanese name, joint body depth specification and standard derivation, joint body screw specification -MIY1.5 flower joint standard reverse request example!ru
Pipe joint M16×1.5JB/F8??1.10199R joint body screw specification own joint standard example is with head GI/T 8774.10-1998
6 Technical requirements
6.! The material of the joint body is aluminum alloy, forgeable iron or other enterprise materials with sufficient strength, and the cover material is carbon steel
6.3 The alloy meets the requirements of B93R. 6. Requirements for quick emptying
J8/I8774.18
6.5 The structure of the elements should meet the requirements of GB700: 6.6 The joint pattern should meet the requirements of IEC B17 for the efficiency evaluation: 6I1 for the pipe end pattern, and should meet the requirements of IEC E7307. 6. The pipe should have a rounded shape and the outlet should have a sufficient number of rounded shapes. 6. The inner surface of the joint should not be damaged by harmful electricity, cables, etc. 6. The head should be installed with anti-silt paint or calcium if necessary. If the user has requirements for moisture, heat, fog and safety, the product should meet the requirements of JB3. 6.10 The method of eliminating the head should be used to indicate the thorns! Name or business name and joint specifications. Test and inspection
7.1 Inspection of pipe joints. The material, size (sampling), processing quality, etc. should comply with the provisions of Chapter 1 of Taiwan and Chapter 6 of the UK. 2. Dig some resistance pieces: loose)
The grounding resistance of the test pipe joint is full of the requirements of GB/T.1: 36
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