This standard specifies the type, basic parameters, technical requirements, marking and packaging of portable gear base pitch measuring instruments. This standard is applicable to portable gear base pitch measuring instruments with a graduation value of 0.001mm and a measurable gear module of 1 to 16mm.
JB/T 10023-1999 history
2013JB/T 10023-2013 Manual gear base pitch measuring instrument
1999JB/T 10023-1999 Manual gear base pitch measuring instrument