JB/T 8031.1-1999 Circular tool setting blocks for machine tool fixture parts and components

JB/T 8031.1-1999 JB/T 8031.1-1999 Machine tool fixture parts and components circular tool setting block JB/T8031.1-1999 Standard download decompression password: www.bzxz.net

ICS 25. 080. 01
Mechanical Industry Standard of the People's Republic of ChinabzxZ.net
The parts and units of jigs and fixtures
The parts and units of jigs and fixtures1999-08-06Published
State Machinery Industry Bureau
Implementation on 2000-01-01
Mechanical Industry Standard of the People's Republic of China
Parts and units of jigs and fixturesRound tool aligner
This standard specifies round tool aligners with specifications of 16~25mm. 2 Reference standards
JB/T 8031.1—1999
Replaces JB/T8031.1—1995
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/T699-1988 Technical conditions for high-quality carbon structural steel JB/T8044—1999 Technical requirements for machine tool fixture parts and components 3 Dimensions
The dimensions are shown in the following figure and table.
Approved by the State Machinery Industry Bureau on August 6, 1999 212
Implemented on January 1, 2000
Technical conditions
4.1 Material: 20 steel in accordance with the provisions of GB/T699. JB/T 8031.1—1999
4.2 Heat treatment: carburizing depth 0.8~1.2mm, 58~64HRC. 4.3 Other technical conditions shall comply with the provisions of JB/T8044. 5 Marking
5.1 Marking example:
D=25mm round tool setting block:
Tool setting block 25JB/T8031.1—1999
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