surface shigo da hardening kayan aiki – superheat zafi magani sabon abu

Yawan zafi na yau da kullun: zafin dumama na’urar induction hardening na’urar ya yi yawa ko kuma lokacin riƙewa a babban zafin jiki ya yi tsayi da yawa, wanda ke sa hatsin austenite ya yi ƙarfi, wanda ake kira overheating. A cikin tsari na quenching, ƙananan ƙwayar austenite mai sauƙi yana haifar da raguwa a cikin ƙarfi da taurin karfe, wanda ke ƙara yawan zafin jiki mai laushi kuma yana ƙara yiwuwar lalacewa da fashewa.

Dalilan da ke haifar da zafi su ne: gazawar kayan aikin zafin wuta ko haɗuwa (yawanci rashin sanin tsarin).

A ƙarƙashin yanayi na yau da kullun, tsarin da aka fi zafi yana gogewa, daidaita shi ko kuma maimaituwa a yanayin zafi mai yawa, sa’an nan kuma an inganta shi don tace hatsi.