Y qauv hniav cov menyuam plhaub
Lub pellet zeb cov roj yog ib qho cylindrical ib feem ntawm pellet zeb rau compressing thiab kev sib xyaw ua ke rau pellets. Nws feem ntau muaj ob lossis peb chais uas tig mus nias cov khoom siv xyoob ntoo tawm tsam cov tuag kab noj hniav kom ua daim ntawv me me, tawv pellets.
Cov ntug ntawm cov menyuam lub plhaub yuav yog tus qauv du lossis zawj, nyob ntawm daim ntawv thov tshwj xeeb, los pab txhim kho cov khoom zoo thiab sib zog ntawm pellets.
Cov khoom siv pellet yog dab tsi yog pellet zeb rau cov pob zeb feem ntau ua los ntawm? Tam sim no, muaj ntau yam khoom siv nyob rau hauv lub ntiaj teb: 20MNCcr5 (Alloy Steel), GCR15 (cov kabmob steel), thiab C50 (cov hlau).
1. 20MNCCR5yog ib qho txheej txheem alloy txheej txheem hlau, hlau carburized, muaj lub zog siab thiab kev nyuaj, thiab ua tau zoo. Me me quenching deformation, zoo tsawg-kub nyuaj, zoo machinability; Tab sis qis vuam kev ua tau zoo. Nws yog feem ntau siv tom qab carburizing thiab quenching lossis tempering. Qhov tob ntawm unobstructed carburized txheej yog 0.8-1.2mm. Nws yog cov yam ntxwv los ntawm kev hloov cov kabmob hlau thiab yog siv hauv cov tshuab pub noj, uas tuaj yeem ua lub luag haujlwm zoo.
2. GCR15, tseem hu ua tus kheej steel, yog qhov feem ntau siv high-chromium bear steel nrog siab tawv. Tom qab quenching thiab tempering, nws tuaj yeem tau txais cov siab thiab tsis zoo hardness, hnav tsis kam, thiab siab tiv toj tsis zoo. Lub hardness yog saum toj no HRC60, yog li tus nqi yog qhov siab.
3. C50belongs rau cov khoom zoo nruab nrab-roj av hlau, uas yooj yim rau cov txheej txheem thiab muaj cov khoom siv tau zoo. Nws yog qhov haum rau kev tsim cov pwm puab nrog kev hnav siab tiv thaiv cov kev xav tau, cov khoom siv loj loj, thiab cuam tshuam.
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