JB/T 8023.2-1999 JB/T 8023.2-1999 Star handles for machine tool fixture parts and components JB/T8023.2-1999 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 fixtures1999-08-06Promulgated
State Bureau of Machinery Industry
Implementation on 2000-01-01
1 Scope
Mechanical Industry Standard of the People's Republic of China
Parts and units of jigs and fixtures
Star grip knob
The parts and units of jigs and fixturesStar grip knob
This standard specifies the star grips with specifications of 6~16mm. 2 Reference standards
JB/T 8023.21999
Replaces JB/T8023.2——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. Parties using this standard should explore the possibility of using the latest versions of the following standards. Carbon steel castings for general engineering
GB/T 11352—1989
JB/T 8044—1999
3 Dimensions
Technical requirements for machine tool fixture parts and components
The dimensions are shown in the following figure and table.
Others P
Approved by the State Bureau of Machinery Industry on August 6, 1999, and implemented on January 1, 2000
Basic dimensions
Limit deviation H9
4 Technical conditions
JB/T8023.2-1999
4.1Material: ZG45 in accordance with GB/T11352. 4.2Parts surface should be sandblasted.
4.3Other technical conditions in accordance with JB/T8044. 5 Marking
5.1 Marking example:
Type A star handle with d=10mm:
Handle A10JB/T8023.2—1999
Type B star handle with d-M10:bZxz.net
Handle BM10JB/T8023.2—-1999
Basic size
Limit deviation H7
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