JB/T 8028.1-1999 JB/T 8028.1-1999 Machine tool fixture parts and components Low support feet JB/T8028.1-1999 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 Machinery Industry Bureauwww.bzxz.net Implementation on 2000-01-01 Mechanical Industry Standard of the People's Republic of China Parts and units of jigs and fixturesShort legs This standard specifies the short legs with thread specifications of M4~M20. 2 Cited Standards JB/T 8028.1-1999 Replaces JB/T8028.1-1995 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/T699—1988 Technical Conditions for High-quality Carbon Structural Steel JB/T 8044--1999 3 Dimensions Technical Requirements for Machine Tool Fixture Parts and Components The dimensions are shown in the following figure and table. Dimensions of accessories Approved by the State Bureau of Machinery Industry on August 6, 1999, 202 Implemented on January 1, 2000 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 in accordance with the provisions of JB8044. 5 Marking 5.1 Marking example: Low support leg with d=M8, H=20mm: JB/T8028.1—1999 Support leg M8×20JB/T8028.1—1999 Basic dimensions Limit deviation Accessories 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.