JB/T 8008.3-1999 Washers for cross washers of machine tool fixture parts and components

JB/T 8008.3-1999 This standard is a revision of JB/T 8008.3-95 "Cross washers for machine tool fixture parts and components". During the revision, only editorial changes were made according to relevant regulations, and the technical content was not changed. This standard specifies washers for cross washers with a nominal diameter of 6 to 48 mm. This standard was first issued in 1981 as GB 2169-80, first revised to GB/T 2169-91 on April 30, 1991, and adjusted to JB/T 8008.3-95 in April 1996. JB/T 8008.3-1999 Washers for cross washers for machine tool fixture parts and components JB/T8008.3-1999 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
The parts and units of jigs and fixturesWasher foreross washer
This standard specifies washers for cross rings with a nominal diameter of 6 to 48 mm. Cited Standards
JB/T8008.3-1999
Replaces JB/T8008.3—1995
The following standards contain provisions that 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/T699-1988 Technical conditions for high-quality carbon structural steel Technical requirements for machine tool fixture parts and components
JB/T8044—1999
3 Dimensions
The dimensions are shown in the following figure and table.
Approved by the State Machinery Industry Bureau on August 6, 199952www.bzxz.net
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:
JB/T8008.3—1999
Cross washer with nominal diameter = 16mm: washer
16JB/T8008.3--1999
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