- 06
- Nov
45 # iav nto quenching
45 # iav nto quenching
Lus Nug: Dab tsi yog qhov saum npoo quenching kub nrog lub siab zaus? Thaum quenching, qhov liab ntawm tag nrho cov hniav nres, los yog lub hauv paus ntawm cov hniav tsis liab.
Puas yog quenching thiab tempering lossis tempering tseem siv tom qab qhov quenched?
Nyob rau hauv induction cua sov quenching, lub high-frequency induction cua sov zaus yog nyob nruab nrab ntawm 100-1000kHz, thiab hardened txheej yog nruab nrab ntawm 0.2-2mm. Tom qab deg quenching, tsis tshua muaj kub tempering yuav tsum tau.
Tag nrho cov hniav tuaj yeem quenched, thiab cov hauv paus hniav tsis nyob rau hauv kev sib cuag thaum lub sij hawm ua hauj lwm. Tom qab quenching, nws yuav tsum tau tempered, thiab quenching thiab tempering yog txheej txheem pretreatment, uas yuav tsum tau ua ua ntej high-frequency quenching thiab tom qab ntxhib tig. Conventionally, cov txheej txheem kev kho cua sov ntawm iav siv quenching thiab tempering + nto quenching, thaum qhov kev xav tau qis tsuas yog siv quenching thiab tempering, thiab qhov phem tshaj yog cov hniav mos uas tsis muaj dab tsi; Feem ntau tsis muaj lus hais tias tsuas yog qhov chaw quenching tsis yog quenched thiab tempered tshwj tsis yog tias lub matrix twb muaj qee qhov hardness.
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