JB/T 8031.4-1999 This standard is a revision of JB/T 8031.4-95 "Side-mounted tool blocks for machine tool fixture parts and components". During the revision, only editorial changes were made according to relevant regulations, and the technical content remained unchanged. This standard specifies side-mounted tool blocks with a width of 32mm and a thickness of 18mm. This standard was first issued in 1981 as GB 2243-80, and was first revised to GB/T 2243-91 on April 30, 1991, and adjusted to JB/T 8031.4-95 in April 1996. JB/T 8031.4-1999 Side-mounted tool blocks for machine tool fixture parts and components JB/T8031.4-1999 Standard download decompression password: www.bzxz.net
Some standard content:
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 fixtures1999-08-06Published State Machinery Industry Bureau Implementation on 2000-01-01 Mechanical Industry Standard of the People's Republic of China Parts and units of jigs and fixturesTool aligner to be fincd on sideThis standard specifies side-mounted tool aligners with a width of 32 mm and a thickness of 18 mm. 2 Reference standards JB/T8031.4—1999 Replaces JB/T8031.4—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 JB/T 8044—1999 3 Dimensions The dimensions are shown in the figure below. Technical conditions for high-quality carbon structural steel Technical requirements for machine tool fixture parts and components 2X45H7t+96wwW.bzxz.Net Jiang 0.005D Approved by the State Bureau of Machinery Industry on August 6, 1999 218 Implemented on January 1, 2000 4 Technical conditions 4.1 Material: 20 steel in accordance with the provisions of GB/T699. JB/T 8031.4—1999 4.2 Heat treatment: carburizing depth 0.8~1.2mm, 58~64HRC. 4.3 Other technical conditions in accordance with the provisions of JB/T8044. 5 Marking 5.1 Marking example: Side-mounted tool setting block: Tool setting block JB/T8031.4—1999 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.