JB/T 8027.1-1999 Machine tool fixture parts and component supports

JB/T 8027.1-1999 This standard is a revision of JB/T 8027.1-95 "Machine Tool Fixture Parts and Component Pillars". During the revision, only editorial changes were made according to relevant regulations, and the technical content remained unchanged. This standard specifies pillars with thread specifications of M5~M10. This standard was first issued in 1981 as GB 2233-80, first revised to GB/T 2233-91 on April 30, 1991, and adjusted to JB/T 8027.1-95 in April 1996. JB/T 8027.1-1999 Machine Tool Fixture Parts and Component Pillars JB/T8027.1-1999 Standard download decompression password: www.bzxz.net

ICS 25. 080. 01
Standard of the Machinery Industry of the People's Republic of China
Parts and units of jigs and fixtures
The parts and units of jigs and fixtures1999-08-06 Issued
State Machinery Industry Bureau
Implementation on 2000-01-01
Standard of the Machinery Industry of the People's Republic of China
Parts and units of jigs and fixturesSupporters
This standard specifies the support with thread specifications of M5~M10. Referenced Standards
JB/T 8027.1-1999bzxZ.net
Replaces JB/T 8027.1—1995
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard was published, the versions shown were all valid. All standards will be revised. Parties using this standard should explore the possibility of using the latest version of the following standards. GB/T6991988 Technical conditions for high-quality carbon structural steel JB/T8044—1999
Technical requirements for machine tool fixture parts and components
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
Material: 45 steel in accordance with the provisions of GB/T699.
4.2 Heat treatment: 35~40HRC.
4.3 Other technical conditions in accordance with the provisions of JB/T8044. 5 Marking
5.1 Marking example:
Pillar with d=M5, L=40mm:
JB/T8027.1-1999
Basic size
Pillar M5×40JB/T8027.1—1999
Limit deviation
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