JB/T 8004.6-1999 Machine tool fixture parts and components diamond nuts

JB/T 8004.6-1999 This standard is a revision of JB/T 8004.6-95 "Rhombus nuts 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 rhombus nuts with ordinary thread specifications of M4 to M16. This standard was first issued in 1981 as GB 2153-80, first revised to GB/T 2153-91 on April 30, 1991, and adjusted to JB/T 8004.6-95 in April 1996. JB/T 8004.6-1999 Rhombus nuts for machine tool fixture parts and components JB/T8004.6-1999 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 fixturesbzxZ.net
The parts and units of jigs and fixtures1999-08-06 Issued
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 fixtures
Rhombic nut
This standard specifies rhombic nuts with thread specifications of M4~M16. 2 Referenced standards
JB/T8004.6—1999
Replaces JB/T8004.6—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/T699-1988
Technical conditions for high-quality carbon structural steel
JB/T8044-1999Technical requirements for machine tool clamps and their parts and components3 Dimensions
The dimensions are shown in the following figure and table.
Approved by the State Machinery Industry Bureau on August 6, 1999 and 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: 35~40HRC.
4.3 Other technical conditions shall be in accordance with the provisions of JB/T8044. 5 Marking
5.1 Marking example:
d-M10 diamond nut:
M10JB/T8004.6—1999
JB/T 8004.6—1999
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