JB/T 10126.1-1999 This standard specifies the C-type and D-type connection methods applicable to GB/T 5900.1~5900.3-1986 "Interchangeability Dimensions of Machine Tool Flange Spindle Ends and Faceplates" and is consistent with GB/4346~ 4347-1984 "Three-jaw self-centering chuck" transition plate connection. This standard was first published as JB 3400-83 in 1983 and revised for the first time in 1991 as GB/T 12891-91.
JB/T 10126.1-1999 history
1999JB/T 10126.1-1999 The parts and units of jigs and fixtures.Transitional plate for 3-jaw chuck