JB/T 8009.2-1999 This standard is a revision of JB/T 8009.2-95 "Machine tool fixture parts and components groove face block". During the revision, only editorial changes were made according to relevant regulations, and the technical content has not changed. This standard specifies the groove face block applicable to thread specifications of M6 to M24. This standard was first issued in 1981 as GB 2172-80, first revised to GB/T 2172-91 on April 30, 1991, and adjusted to JB/T 8009.2-95 in April 1996. JB/T 8009.2-1999 Machine tool fixture parts and components groove face block JB/T8009.2-1999 standard download decompression password: www.bzxz.net
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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 fixtures1999-08-06Promulgated State Bureau of Machinery Industry Implementation on 2000-01-01 1 Scope Machinery Industry Standard of the People's Republic of China Parts and units of jigs and fixturesGroove face clamp plate This standard specifies the groove face clamp plate with thread specifications of M6 to M24. 2 Referenced standards JB/T8009.2—1999 Replaces JB/T8009.2—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 are subject to revision, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T 6991988 GB/T895.1—1986 JB/T 8044—1999 3 Dimensions Technical conditions for high-quality carbon structural steel Wire retaining rings for holes 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, 199960 GB/T89$+ 2000-01-01 Implementation Nominal diameter (thread diameter) 4 Technical conditions JB/T8009.2-1999 Basic dimensions 4.1 Material: 45 steel as per GB/T699. 4.2 Heat treatment: 35~40HRC. 4.3 Other technical conditions as per JB/T8044. 5 Marking 5.1 Marking example: A-type groove surface pressure block with nominal diameter = 12mm: pressure block A12JB/T8009.2—1999 Limit deviation GB/T 895.1 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.