JB/T 8018.3-1999 This standard is a revision of JB/T 8018.3-95 "Machine Tool Fixture Parts and Component Adjustment V-shaped Blocks". During the revision, only editorial modifications were made in accordance with relevant regulations, and the technical content has not changed. This standard specifies the adjustment V-shaped block with a size of 9 to 70 mm. This standard was first released as GB 2210-80 in 1981, revised for the first time to GB/T 2210-91 on April 30, 1991, and adjusted to JB/T 8018.3-95 in April 1996.
JB/T 8018.3-1999 history
1999JB/T 8018.3-1999 The parts and units of jigs and fixtures.V-block for adjustment