Vacuum mmanụ quenching bụ ikpo workpiece na agụụ kpo oku ụlọ na ibuga ya quenching mmanụ tank.Ihe na-emenyụ ọkụ bụ mmanụ.A na-akpali mmanụ na-emenyụ ọkụ na tank mmanụ n'ike ka ọ dị jụụ na workpiece ngwa ngwa.
Ihe nlereanya a nwere uru na enwere ike ịnweta workpieces na-egbuke egbuke site na nkwụsị mmanụ mmanụ, na-enwe ezigbo microstructure na arụmọrụ, ọ dịghị oxidation na decarburization n'elu.Ọnụego jụrụ oyi nke mmanụ na-emenyụ ngwa ngwa karịa nke ikuku gas.
A na-ejikarị mmanụ na-ekpo ọkụ na-emenyụ ọkụ na mmanụ ọkụ nke alloy structural steel, nke na-ebu ígwè, nchara mmiri, ígwè anwụ anwụ, ígwè dị elu na ihe ndị ọzọ.