This standard specifies the integrity requirements and inspection and evaluation methods of Y7131 and Y7132 high-precision gear grinders. This standard applies to Y7131 and Y7132 high-precision gear grinders. In addition to geometric accuracy, other terms also apply to other types of high-precision gear grinding machines.
SJ/T 31022-1994 history
1970SJ/T 31022-1994 Requirements of readiness and methods of inspection and assessment for high precision gear grinding machines