JB/T 8022.2-1999 Adjustable centering internal expander for machine tool fixture parts and components

JB/T 8022.2-1999 This standard specifies adjustable centering internal expanders with specifications of 100~540mm. This standard was first issued in 1991 as GB/T 12876-91. JB/T 8022.2-1999 Adjustable centering internal expanders for machine tool fixture parts and components JB/T8022.2-1999 Standard download decompression password: www.bzxz.net

ICS 25. 080. 01
Standard of the Machinery Industry of the People's Republic of China
The 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 fixtures
Adjustable centering inner expansion-gear
The parts and units of jigs and fixturesVariable centering inner expansion-gearThis standard specifies adjustable centering inner expansion-gear with specifications of 100~540mm. 2 Dimensions
The dimensions are shown in the following figure and table.
3 Marking
3.1 Marking example:
D-300~540mm adjustable centering internal expander:
Internal expander
0JB/T8022.2—1999
300~540
Approved by the State Machinery Industry Bureau on August 6, 1999JB/T 8022.2—1999bzxz.net
Implementation on January 1, 2000
100~180
>180~300
>300~540
JB/T 8022.21999
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