This standard specifies the terms, codes, definitions, classifications, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, etc. of synchronous toothed pulleys (hereinafter referred to as synchronous pulleys). This standard is applicable to synchronizing wheels of mini-car gasoline engines, and other models can also be adopted by reference.
HBm 65.32-1989 history
1989HBm 65.32-1989 Minivan gasoline engine synchronous toothed belt pulley