JB/T 8040-1999 Machine tool fixture parts and component removal pads

JB/T 8040-1999 This standard is a revision of JB/T 8040-95 "Removal pads for machine tool fixture parts and components". During the revision, only editorial changes were made according to relevant regulations, and the technical content remained unchanged. This standard specifies removal pads with specifications of 7.5 to 93 mm. This standard was first issued in 1981 as GB 2253-80, first revised to GB/T 2253-91 on April 30, 1991, and adjusted to JB/T 8040-95 in April 1996. JB/T 8040-1999 Removal pads for machine tool fixture parts and components JB/T8040-1999 Standard download decompression password: www.bzxz.net

ICS 25. 080. 01
Standard of the Machinery Industry of the People's Republic of China
Parts and components of jigs and fixtures
The parts and units of jigs and fixtures1999-08-06 Issued
State Bureau of Machinery Industry
Implementation on 2000-01-01
Standard of the Machinery Industry of the People's Republic of China
Parts and components of jigs and fixtures
Detae habie washer
This standard specifies the detacking pad with a specification of 7.5~93mm. Cited Standards
JB/T8040—1999bZxz.net
Replaces JB/F8040—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. 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 5
Implemented on January 1, 2000
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:
D=25mm disassembly pad:
Disassembly pad 25JB/T8040—1999
JB/T8040—1999
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