JB/T 8009.1-1999 Machine tool fixture parts and components smooth surface blocks

JB/T 8009.1-1999 JB/T 8009.1-1999 Machine tool fixture parts and components smooth surface block JB/T8009.1-1999 Standard download decompression password: www.bzxz.net

ICS 25. 080. 01
Machinery Industry Standard of the People's Republic of China
The parts and units of jigs and fixtures
The parts and units of jigs and fixtures1999-08-06Promulgatedwww.bzxz.net
State Bureau of Machinery Industry
Implementation on 2000-01-01
1 Scope
Machinery Industry Standard of the People's Republic of China
Parts and units of jigs and fixtures
The parts and units of jigs and fixturesSmooth face clamp plate
This standard specifies the smooth face clamp plate applicable to thread specifications of M4 to M24. 2 Reference standards
JB/T8009.1-1999
Replaces JB/T8009.11995
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T6991988
GB/T 895.1—1986
JB/T8044—1999
3 Dimensions
Technical conditions for high-quality carbon structural steel
Wire retaining rings for holes
Technical requirements for machine tool fixture parts and components
The dimensions are shown in the following figure and table.
Approved by the State Machinery Industry Bureau on August 6, 199958
GB/T895.1
Implemented on January 1, 2000
Nominal diameter
(butterfly pattern diameter)
4 Technical conditions
4.1 Material: 45 steel in accordance with the provisions of GB/T699. 4.2 Heat treatment: 35~40HRC.
JB/T 8009.1—1999
Limited displacement
4.3 Other technical conditions in accordance with the provisions of JB/T8044. 5 Marking
5.1 Marking example:
A-type smooth block with nominal diameter = 12mm: block A12JB/T8009.1—1999
GB/T895.1
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