JB/T 8008.2-1999 Cross washers for machine tool fixture parts and components

JB/T 8008.2-1999 JB/T 8008.2-1999 Machine tool fixture parts and components Cross washers JB/T8008.2-1999 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 fixturesCrosswasher
This standard specifies cross washers with nominal diameters of 6~48mm. 2 Referenced standards
JB/T8008.2-1999
Replaces JB/T8008.2—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/T 699--1988
JB/T 80441999bzxZ.net
3 Dimensions
Technical conditions for high-quality carbon structural steel
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, 199950
Implemented on January 1, 2000
Nominal diameter
(thread diameter)
4 Technical conditions
4.1 Material: 45 steel in accordance with the provisions of GB/T699. 4.2 Heat treatment: 40~45HRC.
4.3 Other technical conditions in accordance with the provisions of JB/T8044. 5 Marking
5.1 Marking example:
Cross washer with nominal diameter = 16mm:
16JB/T8008.21999
JB/T8008.2-1999
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