JB/T 8020.2-1999 JB/T 8020.2-1999 Thick stopper for machine tool fixture parts and components JB/T8020.2-1999 Standard download decompression password: www.bzxz.net
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ICS 25. 080. 01 Mechanical Industry Standard of the People's Republic of ChinabZxz.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 Mechanical Industry Standard of the People's Republic of China Parts and units of jigs and fixturesThick dog This standard specifies thick dogs with specifications of 10~36mm. 2 Reference standards JB/T 8020.2-1999 Replaces JB/T8020.2—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. Parties using this standard should discuss the possibility of using the latest versions of the following standards. GB/T699-1988 Technical conditions for high-quality carbon 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 Machinery Industry Bureau on August 6, 1999 and implemented on January 1, 2000 Limit deviation 4 Technical conditions 4.1 Material: 45 steel in accordance with the provisions of GB/T699. 4.2 Heat treatment: 40~45HRC. 4.3 Other technical conditions shall comply with the provisions of JB/T8044. 5 Marking 5.1 Marking example: b=18mm thick stopper: Stopper 18JB/T8020.2-1999 JB/T-8020.2—1999 Limit deviation 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.