JB/T 8774.4-1998 JB/T 8774.4-1998 Adjustable pipe clamp for fixing accessories of machine tool electrical system JB/T8774.4-1998 Standard download decompression password: www.bzxz.net

Machinery 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/T B774.4-1998
This standard is formulated on the basis of summarizing the experience of the state-owned production of machine tool electrical system accessories. The products produced according to this standard conform to the relevant provisions of GB/T5326.1-1995 Industrial Machine Electrical Equipment Part 1: General Technical Components 3. This standard was proposed by the State-owned Metalworking Industry Cutting Machine Tool Standardization Technical Committee. This standard is under the jurisdiction of Beijing Machine Tool Research Institute of the Ministry of Machinery Industry. The drafting units of this standard are Beijing Machine Tool Research Institute of the Ministry of Machinery Industry, Zhejiang Taizhou Yuntong Electric Plastic Co., Ltd., Beijing No. 1 Machine Tool Co., Ltd., and Beijing No. 2 Machine Tool Co., Ltd.
Machinery Industry Standard of the People's Republic of China
Machine Tool Electrical System Accessories
Adjustable Fixing Pipe Clamps
JB/T8774.4-1998
This standard specifies the requirements, markings, technical requirements, station inspection and control inspection of adjustable fixed pipes (hereinafter referred to as pipes) for machine tool electrical system accessories.
This standard specifies the adjustable fixed pipes (hereinafter referred to as pipes) for machine tool electrical system accessories.
This standard specifies the adjustable fixed pipes (hereinafter referred to as pipes) for machine tool air system. Adjust the applicable pipe. The exhaust system of other machines can also be improved.
2 Reference standards
The clauses included in the above notes will become the text of this standard through the use of the standards in the standard version: the version shown is effective. All standards may be revised. Parties who still use the standards should consider the possibility of using the latest version of the following standards. G/49-92 1010 Grease
3 Main dimensions
For the missing + dimensions, see Figure 1 and Table
Pure use
Color number Golden Bird SoftbzxZ.net
Nominal inner diameter of pipe
:*2--20
>20--23
>25 -- 38
Guohao Machinery Industry 1998717 approved
108-12-0 real
4 mark
JB/T 8774. 4.-1998
The marking of pipe clamps is represented by name, D and international standard, such as the small example of the marking:
Pipe clamp 12J5T8774.4--1998
5 Technical requirements
5.1 The material composition of the pipe shall meet the requirements of H/T2349. 2. The surface of the pipe shall be smooth and free of pores, edges and other defects. Test and inspection
6.1 When inspecting the material, size (sampling inspection), processing quality, etc., they shall meet the requirements of Chapter 5 of the draft amendment. 6.2 When inspecting the pipe light, the following requirements shall be met: a) Tensile strength 4SC
b) Bending ability 00 without cracking, heating
8C100, 30min without deformation
. 40℃. Folding without breaking.
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