JB/T 8022.1-1999 This standard is a revision of JB/T 8022.1-95 "Internal expanders 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 internal expanders with specifications of 24~250mm. This standard was first issued in 1981 as GB 2217-80, first revised to GB/T 2217-91 on April 30, 1991, and adjusted to JB/T 8022.1-95 in April 1996. JB/T 8022.1-1999 Internal expanders for machine tool fixture parts and components JB/T8022.1-1999 Standard download decompression password: www.bzxz.net
Some standard content:
ICS 25. 080. 01 Machinery 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 Bureau of Machinery Industry Implementation on 2000-01-01 1Scope Machinery Industry Standard of the People's Republic of China Parts and units of jigs and fixturesInner expansion-gear This standard specifies the inner expansion-gear with specifications of 24~250mm. 2 Dimensions The dimensions are shown in the figure and table below. 1999-08-06 approved by the State Bureau of Machinery Industry JB/T 8022.11999 JB/T8022-1995 2000-01-01 implementation 24 ~30 >30 ~40 > 40 ~ 50 > 50 ~ 65 >65-80 >80~100 >100~120 >120~180 >180~250 3 Marking 3.1 Marking example: Internal expander with D=55mm:bzxZ.net Internal expander 5JB/T8022.11999 JB/T8022.I—1999 Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.