Ntau yam khoom siv tshuab ua haujlwm nyob rau hauv kev sib hloov thiab cuam tshuam cov khoom xws li torsion thiab dabtsi yog khoov, thiab lawv cov txheej saum npoo dais siab dua qhov tseem ceeb; Hauv cov xwm txheej ntawm kev sib txhuam, txheej txheej saum npoo yog tas li hnav tawm. Yog li ntawd, qhov yuav tsum tau ua kom muaj zog ntawm txheej txheej ntawm forgings yog muab tso rau pem hauv ntej, uas txhais tau hais tias saum npoo muaj lub zog siab, hardness thiab hnav tsis kam.
Kev kho cua sov ntawm qhov chaw ntawm forgings yog txheej txheem uas tsuas yog siv cov kev kho cua sov rau saum npoo ntawm lub workpiece los hloov nws cov qauv thiab cov khoom. Feem ntau, qhov saum npoo muaj siab hardness thiab hnav tsis kam, thaum lub hauv paus tseem tuav kom txaus plasticity thiab toughness. Hauv kev tsim khoom, steel nrog qee qhov muaj pes tsawg leeg yog thawj zaug xaiv los xyuas kom meej tias cov khoom siv ntawm cov tub ntxhais ua tau raws li qhov yuav tsum tau ua, thiab tom qab ntawd cov txheej txheem kev kho cua sov tau siv los ntxiv dag zog rau cov txheej txheej saum npoo kom ua tau raws li qhov yuav tsum tau ua. Kev kho cua sov saum npoo yog muab faib ua ob pawg: nto quenching thiab deg tshuaj kho cua sov.
Deg quenching ntawm forgings qhov chaw. Lub nto quenching ntawm forgings qhov chaw yog ib txoj kev kho cua sov uas sai heats nto ntawm lub workpiece mus rau quenching kub, ces sai sai txias, tsuas yog tso cai rau lub nto txheej kom tau lub quenched qauv, thaum lub tseem ceeb tseem tuav lub pre-quenched qauv. . Feem ntau siv yog induction cua sov nto quenching thiab nplaim hluav taws kub nto quenching. Nto quenching feem ntau yog siv rau nruab nrab carbon steel thiab nruab nrab carbon alloy steel forgings.
Induction cua sov quenching siv lub hauv paus ntsiab lus ntawm electromagnetic induction kom induce loj eddy tam sim no nyob rau saum npoo ntawm lub workpiece los ntawm alternating tam sim no, ua rau saum npoo ntawm forging yuav tsum tau rhuab sai heev thaum lub cores yuav luag unheated.
Cov yam ntxwv ntawm induction cua sov nto quenching: tom qab quenching, cov nplej martensite yog refined, thiab lub hardness saum npoo yog 2-3 HRC siab tshaj qhov zoo tib yam quenching. Muaj ib qho tseem ceeb residual compressive kev nyuaj siab ntawm txheej txheej, uas yuav pab txhim kho qaug zog; Tsis tshua muaj deformation thiab oxidative decarburization; Ib qho yooj yim mus cuag mechanization thiab automation, haum rau loj ntau lawm. Tom qab induction cua sov quenching, thiaj li yuav txo tau quenching kev nyuaj siab thiab brittleness, tsis kub tempering ntawm 170-200 ℃ yuav tsum tau.
Cov nplaim hluav taws kub saum npoo quenching yog txheej txheem txheej txheem uas siv cov nplaim hluav taws kub ntawm cov pa acetylene gas combustion (txog 3100-3200 ° C) kom sai sai rau qhov kub ntawm forgings saum toj no theem hloov kub, ua raws li quenching thiab txias.
Tam sim ntawd ua qhov kub thiab txias tom qab quenching, los yog siv cov khib nyiab sab hauv ntawm lub forging rau nws tus kheej-temper. Txoj kev no tuaj yeem tau txais qhov quenching qhov tob ntawm 2-6 hli, nrog cov cuab yeej yooj yim thiab tus nqi qis, tsim nyog rau ib thooj lossis me me batch ntau lawm.
OEM Customized Open Forging Part For Bit manufacturers thiab lwm tus neeg | YOG (welongsc.com)
Post lub sij hawm: Sep-05-2023
