JB/T 8774.13-1998 JB/T 8774.13-1998 Machine tool electrical system accessories double pipe fixing seat JB/T8774.13-1998 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/T8774.13-1998bZxz.net
This standard is formulated based on the summary of many years of production experience of machine tool electrical system accessories: Part 1: General technical conditions and specifications. Products produced according to this standard conform to G/T5?2H.1—1966 Machinery and electrical equipment. This standard is issued by the National Machine Tool Standardization Committee. This standard is issued by the Beijing Machine Tool Research Institute of the Ministry of Machinery Industry. The drafting unit of the standard is: Beijing Machine Tool Research Institute of the Ministry of Machinery Industry, Xinjiang Yuntong Electric Plastic Co., Ltd. Beijing Second Factory of Beijing Machine Tool Factory.
1 Scope
Machinery Industry Standard of the People's Republic of China
Machine Tool Electrical System Accessories
Double-tube Fixing Seat
JD/T 8774. 13-1998
This standard specifies the main dimensions, markings, technical requirements, tests and inspections of the double-tube fixing seat of the machine tool electrical system accessories. This standard is not applicable to machine tool systems, and the double-tube fixing seat does not need to be used as a plastic-wrapped plastic-wrapped seat. The electrical systems of other machines can also be used according to the requirements
2 Referenced Standards
The texts included in the listed standards become the texts of this standard through reference in the standard. When the standard is published: the frequency is the card effect, all models are no longer used, and the parties who stop using this standard should discuss the possibility of using the following markings and micro-your version. Hr/3545-$2 polyamide 1.119 tire
3 main dimensions
double tube national medical main dimensions see national 1 and clothing 2. Figure 1
plastic coated metal adjustment system
nominal
12×13
National Machinery Industry Bureau 1998-07-17 approved 11
19912-01 implementation
4 marking
.iB/r 8774.131998
the quality mark is represented by the name, color, metal soft reputation, nominal size and standard number. If the nominal inner diameter of the tube is 12×, the double tube fixed virtual mark example is: double 12×8 JB/T8774.13
5 Technical requirements
S.1 The double tube fixed shall meet the requirements of TG/T2319, 5.2, the surface of the double tube fixed shall be smooth and smooth, and shall not have pores, hair and other defects. Stone test and inspection
Stone 1 Standard inspection of the material, size (state inspection), workmanship, etc. of the double fixed seat shall comply with the provisions of Chapter 3 and Section 6.2 The double tube fixed seat shall meet the following requirements in the test (batch inspection> attached statement: a) Prove that the resistance fee is 4StGN
b.
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