JB/T 8028.2-1999 High legs for machine tool fixture parts and components

JB/T 8028.2-1999 This standard is a revision of JB/T 8028.2-95 "High Support Feet 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 high support feet with thread specifications of M8~M20. This standard was first issued in 1981 as GB 2235-80, and was first revised to GB/T 2235-91 on April 30, 1991, and adjusted to JB/T 8028.2-95 in April 1996. JB/T 8028.2-1999 High Support Feet for Machine Tool Fixture Parts and Components JB/T8028.2-1999 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 Machinery Industry Bureau
Implementation on 2000-01-01
Machinery Industry Standard of the People's Republic of China
Parts and units of jigs and fixturesLong legs
This standard specifies the long legs with thread specifications of M8~M20. 2 Referenced standards
JB/T8028.2—1999
Replaces JB/T8028.2-1995
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. Parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T6991988 Technical conditions for high-quality carbon cable 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 204
Dimensions of matching accessories
2000-01-01 implementation
4 Technical conditions
4.1 Material: 45 steel in accordance with the provisions of GB/T699. 4.2 Heat treatment: 40~45HRC.
JB/T 8028.2-1999
4.3 Other technical conditions shall be in accordance with the provisions of JB/T8044. 5 MarkingbZxz.net
5.1 Marking example:
d=M10, high foot of H-55mm:
High foot M10×55JB/T8028.2--19998
Basic size
Limited tolerance
Couch accessories
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