Cat345rc 9w8552rc John Deere 400 Bucket Teeth

Lub thoob hniav yog dab tsi?
Lub thoob cov hniav ntawm excavators yog qhov tseem ceeb ntawm excavators, zoo ib yam li tib neeg cov hniav, tab sis kuj muaj qhov tsis zoo.Lawv muab cov thoob cov hniav sib xyaw ua ke ntawm lub rooj zaum hniav thiab cov hniav, thiab ob qho tib si txuas nrog tus pin ncej.Vim hais tias ib feem ntawm lub thoob cov hniav hnav thiab tsis ua hauj lwm yog cov hniav, tsuas yog hloov cov hniav.
Vim li cas thiaj xaiv peb?
Peb lub thoob cov hniav yog forged.Qhov feem ntau nquag hnav ntawm excavators yog lub thoob cov hniav.Keeb kwm, cam khwb cia cov hniav tau siv.Qhov ntawd yog vim tus nqi qis casting.Lawv tag nrho yog melted nrog khib nyiab ua ntej ntxiv cov hmoov hlau alloy thiab pouring nrog xuab zeb pwm.Ib puag ncig muaj kuab heev.Nrog rau lub teb chaws muaj zog ntawm kev tiv thaiv ib puag ncig, forged thoob hniav tuaj rau hauv.Txawm li cas los xij, cov txheej txheem tsim cov hniav nyiaj hniav kub yog qhov nyuaj thiab nyuaj.
Cov ntaub ntawv raw siv rau forging thoob cov hniav yog tag nrho cov chromium-molybdenum alloy round steel ua los ntawm cov hlau loj loj, uas tsis yog siv cov hlau alloy, yog li tus nqi ntau dua li casting.Nws yog ib qho tsim nyog yuav tsum tau txiav cov hlau puag ncig rau qhov loj me, thiab tom qab ntawd cov hluav taws xob hluav taws xob muaj hluav taws xob siab txog li 1100 ° C, tsis muaj hluav taws xob thee, yog li tsis muaj kuab paug rau ib puag ncig, thiab lub teb chaws kuj txhawb nqa nws.
Cov txheej txheem thoob cov hniav kuj yuav tsum tau forged los ntawm qhov thib ob kub tuag, thiab kev kho cua sov thib ob, tom qab ntawd lawv tau pleev xim rau cov xim pleev xim thiab muab tso rau hauv cov khoom siv tooj liab.Txhua lub thoob cov hniav yog ib yam khoom uas tuaj yeem ua tiav los ntawm kev koom tes ntawm ntau tus neeg ua haujlwm thiab tus tswv.Nws yog interlocked thiab tsis tuaj yeem ceev lossis qeeb;Txhua lub thoob hniav yog zoo li ib qho kev kos duab reborn los ntawm hluav taws, tos siv ntsiag to.