Q1: Dab tsi yog qhov txawv ntawm P20 thiab 60 # hauv pwm hlau, thiab qhov twg yog siv rau hauv cov pwm yas?
P20 yog lwm lub ntsiab lus rau cov hlau txias txias, piv txwv li: 738 718 Royal NAK80 thiab lwm yam ntxiv: Koj yuav tsum ua kom lub ntsej muag du, siv NAK80 yog tias tus nqi tso cai, nws yuav kim dua. Los yog siv electroplating xwb. Muaj ntau yam sib txawv los xav txog thaum nws los txog rau cov hlau siv rau pwm. Piv txwv li, yog tias txhua yam uas xav tau yog ib feem ntawm cov yas, uas yuav tsum tsim 5000PSC, cov pwm zoo no yuav tsis raug coj mus rau hauv tus account thaum xam tus nqi. Yog tias koj tuaj yeem siv 718, koj yuav tsis hais 738.
Q2: Yuav ua li cas paub qhov txawv P20H pwm hlau los ntawm cov hlau los ntawm qhov muag ?????
Yog tias koj ntshai tias cov khoom yuav muaj teeb meem, koj tuaj yeem ua qhov kev xeem muaj pes tsawg leeg. Peb lub tuam txhab tshwj xeeb hauv kev tsim cov hlau rau tuag. Yog tias koj muaj kev xav tau hauv cheeb tsam no, koj tuaj yeem tiv tauj kuv.
Q3: Puas yog p20 pwm steel xav tau kev kho cua sov tom qab kev ua haujlwm ntxhib?
Yog lawm, feem ntau, tom qab machining thiab tsim, nws yuav tsum tau quenched rau zaum kawg kev kho cua sov. Cov alloy muaj pes tsawg leeg ntawm p20 tuag steel zoo ib yam li Suav 3Cr2Mo tuag steel. Nws yog steel rau kub tuag. Raws li cov hlau alloy no ua bainite thaum kawg ntawm qhov tsis muaj forging thiab thaum lub sij hawm cua quenching txheej txheem, lub siab hardness tsis zoo rau machining. Yog li ntawd, txoj kev yooj yim tshaj plaws los npaj rau kev kho cua sov yog ntxiv 600 degree Celsius siab kub tempering kho tom qab cua quenching ntawm forged dawb paug;
Hloov cov txheej txheem annealing ib txwm. Cov txheej txheem kho cua sov kawg yog txheej txheem tempering. Cov txheej txheem no yog siv rau kev txhaj tshuaj molding thiab tuag casting. Tom qab ntawd cov pwm tiav lawm thiab zoo li tus. Noj mus rau hauv tus account qhov complexity ntawm ib co pwm kab noj hniav thiab qhov nyuaj ntawm kev kho cov txheej txheem tiav tom qab qhov kawg deformation ntawm kev kho cua sov, cov txheej txheem kuj yuav txhim kho. Kev npaj thiab kev kho cua sov zaum kawg tuaj yeem ua ke hauv ib txheej txheem rau cov txheej txheem quenching cua sov. Qhov no txhais tau hais tias lub forging kub thiab lub sij hawm raug tswj tag nrho;
Siv zog rau qhov kawg ntawm lub embryo forging txheej txheem nws kub tsis tsawg tshaj li 850 degrees Celsius; ceev quenching roj rau hauv chav tsev kub, thiab ces 550 degrees Celsius - 600 degrees Celsius kub tempering. Rau kev txhaj tshuaj pwm 550 degrees Celsius yog siv, rau tuag casting pwm 600 degrees Celsius yog siv. Tsis muaj kev kho cua sov ntxiv tom qab machining thiab sib sau.
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