Kev tshuaj xyuas kom zoo rau lub zog tom qab quenching los ntawm cov khoom siv ntau zaus

1. Thaj chaw zoo

Cov hniav yuav tsum tsis kub hnyiab, thiab tom qab ntawd xyuas seb puas muaj kab nrib pleb hauv cov hniav, 100% kev tshuaj xyuas rau cov khoom me me, thiab tshuaj xyuas rau cov pawg loj raws li qhov teev tseg tshwj xeeb.

2. Qhov tawv tawv

100% kev tshuaj xyuas rau cov khoom me me, tshuaj xyuas rau cov pawg loj raws li qhov tshwj xeeb piv, feem ntau xav tau qhov nyuaj ntawm 45-50HRC, thiab muaj peev xwm thauj khoom siab dua ntawm 50-56HRC.

3. Lub koom haum nto

Nias ZBJ36 009-88 txhawm rau txheeb xyuas.

4. Ua kom tawv tawv txheej tob

Siv Vickers hardness tester, ntawm ntu ntu ntawm cov hniav nyob hauv nruab nrab ntawm cov hniav dav: ntsuas los ntawm saum npoo mus rau sab hauv, qhov kawg qhov tawv ntawm txheej tawv tawv yog raws li hauv qab no: txwv qhov hnyav = 0.80*yam tsawg kawg ntawm qhov tawv tawv tau teev tseg los ntawm tsim.

5. Hardened txheej faib

1) Rau lub zog nrog m <4mm, tag nrho cov hniav tawv raug tso cai, thiab cov hniav hauv qab muaj qee cov txheej tawv, feem ntau yog 1.2 hli.

2) Rau lub zog nrog m = 4.5-6mm, thaum siv cov cua sov ib txhij thiab ua kom sov, 1/3 qhov siab ntawm lub hauv paus hniav tau tso cai kom tsis txhob khov, thiab thaum ib tus hniav tsis tu ncua, 1/4 hniav siab raug tso cai tsis tawv.

3) Rau lub zog uas tau ua haujlwm nyob rau tib lub sijhawm, qhov tob ntawm qhov nruab nrab txheej tawv ntawm ntu ntu ntu ntawm lub iav yog ntau dua 2/3 ntawm qhov tob ntawm qhov kawg tawv txheej.

4) Thaum lub iav sab hauv m <6 hli, txheej tawv tawv raug tso cai kom muaj qhov nqes hav me ntsis.

5) Rau induction hardened loj zog nrog m> 8mm, qhov tawv hniav qhov siab yuav tsum yog 1.7 npaug ntawm tus qauv, thiab thaum m <8mm, 2/3 hniav qhov siab yuav tsum tawv.

Kab lus no qhia luv luv qhia cov khoom tshuaj xyuas, cov ntsiab lus thiab cov tseev kom muaj ntawm cov khoom siv quenched ntawm cov cuab yeej siv quenching siab. Kuv vam tias nws yuav pab tau koj txoj haujlwm.