JB/T 8038-1999 Machine tool fixture parts and component locks

JB/T 8038-1999 JB/T 8038-1999 Machine tool fixture parts and component locks JB/T8038-1999 Standard download decompression password: www.bzxz.net

ICS 25. 080. 01
Standard of the Machinery Industry of the People's Republic of China
Parts and components of jigs and fixtures
The parts and units of jigs and fixtures1999-08-06 Issued
State Machinery Industry Bureau
2000-01-01 Implementation
Standard of the Machinery Industry of the People's Republic of China
Parts and components of jigs and fixturesLocking device
This standard specifies the locking device with a specification of 50 to 80 mm. 2 Referenced standards
JB/T8038—1999
Replaces JB/T8038—1995
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard was published, the version 4 shown was valid. All standards are subject to revision. Parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T699—1988
Technical conditions for high-quality carbon structural steel
JB/T8044—1999Technical requirements for machine tool fixture parts and componentsDimensions
The dimensions are shown in the following figure and table.
Approved by the State Machinery Industry Bureau on August 6, 1999 and implemented on January 1, 2000bZxz.net
4 Technical conditions
Limited tolerance
4.1 Material: 45 steel in accordance with the provisions of GB/T699. 4.2 Heat treatment: 35~40HRC.
4.3 Other technical conditions in accordance with the provisions of JB/T8044. 5 Marking
5.1 Marking example:
L=50mm lock buckle:
Lock buckle 50JB/T8038—1999
JB/T 80381999
Limit deviation D9
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