JB/T 8009.2-1999 Machine tool fixture parts and components groove surface block

JB/T 8009.2-1999 This standard is a revision of JB/T 8009.2-95 "Machine tool fixture parts and components groove face block". During the revision, only editorial changes were made according to relevant regulations, and the technical content has not changed. This standard specifies the groove face block applicable to thread specifications of M6 to M24. This standard was first issued in 1981 as GB 2172-80, first revised to GB/T 2172-91 on April 30, 1991, and adjusted to JB/T 8009.2-95 in April 1996. JB/T 8009.2-1999 Machine tool fixture parts and components groove face block JB/T8009.2-1999 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 fixturesGroove face clamp plate
This standard specifies the groove face clamp plate with thread specifications of M6 to M24. 2 Referenced standards
JB/T8009.2—1999bzxz.net
Replaces JB/T8009.2—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 are subject to revision, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T 6991988
GB/T895.1—1986
JB/T 8044—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, 199960
GB/T89$+
2000-01-01 Implementation
Nominal diameter
(thread diameter)
4 Technical conditions
JB/T8009.2-1999
Basic dimensions
4.1 Material: 45 steel as per GB/T699. 4.2 Heat treatment: 35~40HRC.
4.3 Other technical conditions as per JB/T8044. 5 Marking
5.1 Marking example:
A-type groove surface pressure block with nominal diameter = 12mm: pressure block A12JB/T8009.2—1999
Limit deviation
GB/T 895.1
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