JB/T 8026.3-1999 Machine tool fixture parts and components cylindrical head adjustment support

JB/T 8026.3-1999 JB/T 8026.3-1999 Machine tool fixture parts and components cylindrical head adjustment support JB/T8026.3-1999 Standard download decompression password: www.bzxz.net

ICS 25. 080. 01
Mechanical Industry Standard of the People's Republic of Chinawww.bzxz.net
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
Parts and units of jigs and fixtures
The parts and units of jigs and fixturesAdjustable cylindor head supportersThis standard specifies the cylindrical head adjustable supports with thread specifications of M5 to M20. Cited Standards
JB/T 8026.3—1999
Replaces JB/T8026.3—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/T8044—1999 Technical requirements for machine tool fixture parts and components 3 Dimensions
The dimensions are shown in the following figure and table.
Number of meshes m0.3
Approved by the State Bureau of Machinery Industry on 1999-08-06 188
Implemented on 2000-01-01
D (before knurling)
Technical conditions
Material: 45 steel in accordance with the provisions of GB/T699.
JB/T8026.3-1999
4.2 Heat treatment: L50mm all 40-45HRC; L>50mm head 40~45HRC. 4.3 Other technical conditions in accordance with the provisions of IB/8044. 5 Building notes
5.1 Marking example:
d-M10, L=45mm ring column head adjustment support: support M10×45JB/T8026.31999
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