JB/T 8020.1-1999 JB/T 8020.1-1999 Thin stopper for machine tool fixture parts and components JB/T8020.1-1999 Standard download decompression password: www.bzxz.net
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ICS 25. 080. 01 Mechanical 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 1 Scope Mechanical Industry Standard of the People's Republic of China Parts and units of jigs and fixturesThin dog The parts and units of jigs and fixturesThin dog This standard specifies thin dogs with specifications of 10~36mm. 2 Reference standards JB/T8020.1-1999 Reference JB/T8020.1—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 will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T6991988 Technical conditions for high-quality carbon turbulent structural steel JB/T8044—1999 Technical requirements for machine tool fixture parts and components 3 Dimensions The dimensions are shown in the following figure and table. Approved by the State Bureau of Machinery Industry on August 6, 1999, and implemented on January 1, 2000 Basic dimensions Limit deviation 4 Technical conditions JB/T8020.1-1999 Basic dimensions Material: 45 steel in accordance with the provisions of GB/T699. 4.2 Heat treatment: 40-45HRC. 4.3 Other technical conditions in accordance with the provisions of JB/T8044. 5 Marking 5.1 Marking example: Thin stopper with b=18mm: Stopper 18JB/T8020.1--1999 Limit deviationwwW.bzxz.Net Matching screw 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.