JB/T 8006.1-1999 JB/T 8006.1-1999 Machine tool fixture parts and components clamping screws JB/T8006.1-1999 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 fixtures1999-08-06Promulgated
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 fixturesHolddown serew
This standard specifies holddown screws with thread specifications of M4 to M30. 2 Reference standards
JB/T8006.1-1999
Replaces JB/T8006.1—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—19881
Technical conditions for high-quality carbon structural steel
JB/T80441999bzxZ.net
3 Dimensions
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, 199926
Implemented on January 1, 2000
Basic dimensions
Limit deviations
JB/T 8006.1--1999
4 Technical conditions
4.1 Material: 45 steel in accordance with the provisions of GB/T699. 4.2 Heat treatment: 30~35HRC.
4.3 Other technical conditions in accordance with the provisions of JB/T8044. 5 Marking
5.1 Marking example:
JB/T8006.1—1999
A-type clamping screw with d=M16 and L=60mm: Explosive nail AM16×60JB/T8006.1—199928
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