Hardened R, SF, K usoro reducer pụrụ iche maka YE2 / YE3 usoro atọ asynchronous moto bụ ụlọ ọrụ m iji gboo mkpa nke imewe nke reducer na-akwado ọnụ ụzọ moto.Na flange ọgwụgwụ Ọdịdị na-ebu na-ekpuchi na-mere mma-ments na ụkpụrụ na otu ihe nlereanya na a dịgasị iche iche nke flange ọgwụgwụ okpu collocation, izute diffforent echichi requiraments nke nha, Seloclion nke I-ekara flange ọgwụgwụ okpu, axle nke quenching na tempening ọgwụgwọ, n'otu oge ahụ, na-amụba àgwà àgwà, nwere ike imeziwanye copacity nke ibu, ihe nchekwa na-abawanye na ọrụ ndụ nke moto.