JB/T 8028.1-1999 Low legs for machine tool fixture parts and components

JB/T 8028.1-1999 JB/T 8028.1-1999 Machine tool fixture parts and components Low support feet JB/T8028.1-1999 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 Machinery Industry Bureau
Implementation on 2000-01-01
Mechanical Industry Standard of the People's Republic of China
Parts and units of jigs and fixturesShort legs
This standard specifies the short legs with thread specifications of M4~M20. 2wwW.bzxz.Net
Cited Standards
JB/T 8028.1-1999
Replaces JB/T8028.1-1995
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/T699—1988
Technical Conditions for High-quality Carbon Structural Steel
JB/T 8044--1999
3 Dimensions
Technical Requirements for Machine Tool Fixture Parts and Components
The dimensions are shown in the following figure and table.
Dimensions of accessories
Approved by the State Bureau of Machinery Industry on August 6, 1999, 202
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: 40~45HRC.
4.3 Other technical conditions in accordance with the provisions of JB8044. 5 Marking
5.1 Marking example:
Low support leg with d=M8, H=20mm:
JB/T8028.1—1999
Support leg M8×20JB/T8028.1—1999
Basic dimensions
Limit deviation
Accessories
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