JB/T 8009.1-1999 JB/T 8009.1-1999 Machine tool fixture parts and components smooth surface block JB/T8009.1-1999 Standard download decompression password: www.bzxz.net
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ICS 25. 080. 01 Machinery Industry Standard of the People's Republic of ChinawwW.bzxz.Net 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 1 Scope Machinery Industry Standard of the People's Republic of China Parts and units of jigs and fixtures The parts and units of jigs and fixturesSmooth face clamp plate This standard specifies the smooth face clamp plate applicable to thread specifications of M4 to M24. 2 Reference standards JB/T8009.1-1999 Replaces JB/T8009.11995 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, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T6991988 GB/T 895.1—1986 JB/T8044—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, 199958 GB/T895.1 Implemented on January 1, 2000 Nominal diameter (butterfly pattern diameter) 4 Technical conditions 4.1 Material: 45 steel in accordance with the provisions of GB/T699. 4.2 Heat treatment: 35~40HRC. JB/T 8009.1—1999 Limited displacement 4.3 Other technical conditions in accordance with the provisions of JB/T8044. 5 Marking 5.1 Marking example: A-type smooth block with nominal diameter = 12mm: block A12JB/T8009.1—1999 GB/T895.1 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.