This standard, based on JIS B 6191, specifies the static accuracy inspection and applicable tolerances for self-centering manual chucks for machine tools with two or more jaws.
JIS B 6152:2008 Referenced Document
JIS B 6191:1999 Machine tools -- Geometric accuracy tests and practical tests -- Test methods
JIS B 6152:2008 history
2008JIS B 6152:2008 Machine tools -- Test conditions for self-centring, manually-operated chucks with one-piece jaws
1993JIS B 6152:1993 Self-centring manually-operated chucks for machine tools -- Acceptance test specifications (geometrical tests)