Vim yog cov txheej txheem tsim precision, ploj - siv quav ciab casting hniav xav tau lub hom phiaj ncej- casting txij nkawm. Los ntawm cov kauj ruam tseem ceeb xws li tu, tiv thaiv xeb, thiab kev ua haujlwm ruaj khov, hnav tsis kam, corrosion kuj, thiab kev pabcuam lub neej ntawm cov hniav tuaj yeem txhim kho tau zoo, tiv thaiv cov khoom seem ntawm kev ua haujlwm.
Puas yog kev saib xyuas tshwj xeeb xav tau tom qab casting?
Teb: Yog lawm, kev saib xyuas tshwj xeeb yog tsim nyog. Thaum ploj lawm-wax casting tso cai rau kev tsim cov duab ntawm cov hniav nyuaj, qhov saum npoo tuaj yeem ua rau cov khoom tsis huv xws li pwm plhaub tawg, nplai oxide, thiab cov riser residue. Tsis tas li ntawd, kev ntxhov siab yuav tshwm sim hauv cov hlau matrix thaum lub sij hawm casting txias txheej txheem. Yog tsis muaj kev saib xyuas, qhov no tuaj yeem ua rau muaj teeb meem xws li chipping, hnav ntxov ntxov, thiab xeb thaum siv. Qhov no yog qhov tseeb tshwj xeeb tshaj yog rau kev ua haujlwm siab - siv hauv kev tsim kho tshuab (xws li excavator thiab loader breaker thiab txiav hniav), qhov chaw tu yog qhov tseem ceeb.
Core Maintenance cov kauj ruam
1. Nto tu thiab tshem tawm cov khoom seem
Tshem tawm Pwm Plhaub: Ua tib zoo tshem tawm cov pwm plhaub cov khib nyiab thiab cov xuab zeb los ntawm cov hniav thiab txiav ntug qhov khoob uas siv siab -lub siab dej dav hlau ntxhua thiab cov tshuab sib tsoo. Qhov no tiv thaiv impurities los ntawm embedding nyob rau hauv cov hniav thiab cuam tshuam rau txiav / tawg raug, thaum tseem tiv thaiv khawb ntawm lub workpiece los yog ceev hniav hnav thaum lub sij hawm ua hauj lwm.
Tshem Tawm Gating thiab Riser Marks: Sib tsoo thiab txhuam cov seem seem ntawm qhov rooj casting thiab riser, ua rau cov hniav nto du thiab txo cov ntsiab lus ntawm kev ntxhov siab, yog li txo qhov kev pheej hmoo ntawm chipping thaum siv.
Tshem tawm Oxide Scale: Tshem tawm cov nplais oxide tsim thaum lub sij hawm casting txheej txheem siv pickling, sandblasting, los yog mechanical sib tsoo, nthuav tawm cov xim qub ntawm cov hniav substrate thiab tso lub hauv paus rau kev tiv thaiv xeb tom ntej.
2. Kev ntxhov siab thiab kev ua haujlwm ruaj khov (Key rau kev txhim kho Durability)
Tsawg-Tsuas Kub Kev Laus Kev Kho Mob: Hais txog qhov kev ntxhov siab uas nyob hauv cov hlau tom qab casting los ntawm kev ua haujlwm qis-kub kev laus. Qhov no txo qis kev ntxhov siab, txhim kho kev ruaj ntseg ntawm cov khoom siv hniav, thiab tiv thaiv kev deformation thiab chipping vim muaj kev ntxhov siab tso tawm thaum lub sij hawm ua haujlwm siab -.
Ntug dulling kho: Lub npoo npoo yog me ntsis dulled siv cov cuab yeej tshwj xeeb kom tshem tawm cov microburrs thiab cov kaum ntse ntse los ntawm ntug forged, txhim kho ntug tawv, txo qhov tshwm sim ntawm chipping nyob rau hauv thawj theem ntawm kev siv, thiab txhim kho stability thaum txiav / crushing.
3. Kev kho xeb thiab kev tiv thaiv corrosion (ntxiv rau kev cia thiab kev pab cuam lub neej)
luv-lub sij hawm cia xeb tiv thaiv: Yog tias tsis siv tam sim tom qab forging, siv cov xeb tshwj xeeb- tiv thaiv cov roj (lossis roj) tom qab ntxuav thiab ziab, tshwj xeeb tshaj yog rau cov chaw tseem ceeb xws li cov hniav ntug thiab qhov, txhawm rau tiv thaiv xeb thiab xeb los ntawm qhov chaw ntub dej.
Kev siv lub sij hawm ntev - kev tiv thaiv: Xaiv cov txheej txheem kho kom zoo raws li qhov chaw ua haujlwm, xws li txau hnav- tiv taus thiab tiv thaiv - xeb txheej, electroplating, nitriding, thiab lwm yam, txhawm rau txhim kho cov hniav corrosion thiab hnav tsis kam, ua rau nws tsim nyog rau kev ua haujlwm hnyav hauv kev tsim kho engineering (xws li av noo, plua plav, acidic lossis alkaline).
Kev tswj ib puag ncig kev cia khoom: Khaws cov hniav uas kho rau hauv qhov chaw qhuav, qhov cua uas tsis muaj corrosive gases, tsis txhob sib cuag nrog dej thiab acidic lossis alkaline. Siv cov dej noo- cov ntaub ntawv pov thawj los yog lub txee cia kom tiv thaiv kev sib tsoo ntawm ntug hniav.
4. Kev soj ntsuam zoo thiab kho qhov tsis zoo (tseem kom muaj kev nyab xeeb hauv kev siv)
Cov tsos mob thiab kev soj ntsuam Dimensional: Tshawb xyuas cov hniav saum npoo rau qhov tsis xws luag xws li porosity, tawg, thiab shrinkage kab noj hniav. Yog tias pom muaj teeb meem me me, kho tam sim ntawd los ntawm kev sib tsoo los yog sib tsoo. Yog tias muaj teeb meem loj, tsis lees txais cov hniav kom tiv thaiv cov khoom tsis tsim nyog los ntawm kev siv.
Hardness thiab Performance Sampling Inspection: Txheeb xyuas qhov kev ua tau zoo ntawm cov cam khwb cia siv cov hardness thiab cuam tshuam cov kev ntsuas toughness. Yog tias qhov kev ua tau zoo tsis ua raws li qhov xav tau ntawm engineering, kho nws los ntawm kev kho cua sov thib ob (xws li quenching thiab tempering) kom cov hniav muaj lub zog txaus thiab hnav tsis kam.
Tus nqi tseem ceeb ntawm kev saib xyuas
Extended Service Life: Kev saib xyuas zoo txo qis kev puas tsuaj rau cov hniav uas tshwm sim los ntawm impurities, xeb, thiab kev ntxhov siab, cuam tshuam rau lawv lub neej kev pab cuam piv rau cov khoom tsis tu ncua. Qhov no txo qhov zaus thiab tus nqi ntawm cov hniav hloov rau cov khoom siv engineering.
Ua kom muaj kev ua haujlwm tau zoo: Cov hniav ntxuav tau muaj cov npoo ntse thiab cov npoo du, ua rau tsis muaj kev txiav / crushing tsis kam. Ua ke nrog cov khoom siv ruaj khov, qhov no txhim kho cov cuab yeej siv tau zoo thiab tiv thaiv kev qeeb vim cov hniav tsis ua haujlwm.
Txo cov kev pheej hmoo ntawm kev siv: Tshem tawm kev ntxhov siab thiab kho qhov tsis zoo me me txo qhov kev pheej hmoo ntawm cov hniav tawg lossis tawg thaum lub sijhawm ua haujlwm siab - siv zog, ua kom muaj kev nyab xeeb ntawm cov neeg ua haujlwm thiab cov khoom siv.
Adaptability rau Hnyav tej yam kev mob: xeb thiab corrosion kuj tso cai rau cov hniav los tiv thaiv complex tej thaj chaw xws li av noo, plua plav, thiab acid / alkali tej yam kev mob nyob rau hauv engineering tsim, nthuav lawv applicability thiab txo qhov yuav tsum tau rau nquag tu.
Cov Kev Kho Kom Zoo Dua
Tsis quav ntsej pwm residue tu: Piv txwv tias qhov saum npoo tsis muaj qhov pom tseeb impurities txaus, qhov no ua rau cov xuab zeb seem nyob rau hauv cov ntug txiav, ua kom hnav thaum lub sijhawm ua haujlwm.
Hla kev daws kev ntxhov siab: Siv cov hniav ncaj qha tom qab casting ua rau deformation thiab chipping thaum lub sijhawm ua haujlwm siab -.
Kev tiv thaiv xeb yooj yim: Siv cov roj siv lub tshuab zoo tib yam nkaus xwb tsis txaus nyob rau hauv qhov chaw ntub thiab plua plav ntawm kev tsim kho, ua rau xeb hauv lub sijhawm luv.
Tsis quav ntsej ntug dulling: Nrhiav qhov kawg sharpness yam tsis muaj dulling ua rau tsis txaus ntug toughness thiab yooj yim tawg.
Cov ntsiab lus
Cov txheej txheem kev ua tiav ntawm kev ploj - siv quav ciab casting hniav yuav tsum tau tshwj xeeb kev saib xyuas tom qab casting, suav nrog "kev ntxuav - kev ntxhov siab nyem - xeb tiv thaiv - tshuaj xyuas." Qhov no tsis yog tsuas yog qhov tseem ceeb rau kev txhim kho cov hniav kev ua tau zoo thiab lub neej ntev, tab sis kuj tseem yog lub hauv paus tseem ceeb hauv kev ua kom muaj txiaj ntsig zoo thiab kev nyab xeeb ntawm kev tsim kho tshuab. Xaiv cov txheej txheem kev saib xyuas tus qauv, ua ke nrog siab -zoo poob- cov hniav siv quav ciab, tuaj yeem txo cov nqi tsim kho, txhim kho kev ua haujlwm zoo, thiab ua rau lawv "cov cuab yeej siv tau ntev" hauv kev tsim kho!
