JB/T 8031.2-1999 Square tool setting blocks for machine tool fixture parts and components

JB/T 8031.2-1999 JB/T 8031.2-1999 Machine tool fixture parts and components square tool block JB/T8031.2-1999 Standard download decompression password: www.bzxz.net

ICS 25. 080. 01
Mechanical Industry Standard of the People's Republic of China
The parts and units of jigs and fixtures
The parts and units of jigs and fixtures1999-08-06Published
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 fixturesRectangular tool aligner
This standard specifies the square tool aligner with a length of 34 mm and a width of 30 mm. 2 Reference standards
JB/T8031.2-1999
Replaces JB/T8031.2—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 Technical requirements for machine tool fixture parts and components
JB/T8044—1999
3 Dimensions
The dimensions are shown in the figure below.
Ij0. 005A
Approved by the State Bureau of Machinery Industry on 1999-08-06214wwW.bzxz.Net
2X6H7(+911)
Implemented on 2000-01-01
4 Technical conditions
JB/T 8018.1~8044—1999
4.1 Material: 20 steel in accordance with the provisions of GB/T699. 4.2 Heat treatment: carburizing depth 0.8~1.2mm, 58~64HRC. 4.3 Other technical conditions in accordance with the provisions of JB/T8044. 5 Marking
5.1 Marking example:
Square tool block:
Tool block JB/T8031.2—1999
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