Neeg kho tshuab foob lawv tus kheej yog precision Cheebtsam nrog rau siab rau kev tsim, machining, thiab sib dhos zoo. Thaum siv cov tshuab ntim khoom siv, ntau yam muaj feem cuam tshuam nrog kev xav tau ntawm cov kev xav tau ntawm cov kev ua haujlwm thiab muaj kev ua haujlwm ntev kom muaj peev xwm ua haujlwm ntev ntawm lub foob.
Mechanical foob, tseem hu ua kawg lub ntsej muag foob, muaj ib khub ntawm lub ntsej muag kawg txiav rau cov kab mob sib hloov. Raws li kev ua ntawm cov kua dej siab thiab them nyiaj kho tshuab elasticity kom muaj kev sib cuag nrog lwm tus kawg thiab swb kev tiv thaiv ib leeg, yog li tiv thaiv cov kua xau.
1, takeage tshwm sim los ntawm kev kub siab
(1) Cov tshuab sib xyaw ua haujlwm los ntawm kev kub siab thiab siab vuag
Vim tias tsim tau ntau dhau ntawm lub caij nplooj ntoo hlav tshwj xeeb thiab tag nrho cov kev siab siab rau hauv lub ntsej muag tshaj 3 Qhov no yuav ua rau muaj mob hnyav rau ntawm lub ntsej muag kawg lub ntsej muag, nce qib cua ntau, thiab thermal deformation ntawm kev sib khi saum npoo.
Countermeasure:
Thaum sib xyaw ua ke cov tshuab ntim khoom siv, qhov zaws ntawm lub caij nplooj ntoo yuav tsum tau nqa tawm raws li cov cai, thiab yuav tsum tsis muaj qhov tshwm sim ntau dhau los. Kev ntsuas yuav tsum tau coj mus rau cov tshuab ntim khoom raws li cov kev mob siab. Txhawm rau kom ntseeg tau lub zog tsim nyog ntawm lub ntsej muag thaum kawg thiab cov ntaub ntawv muaj zog, siv tau cov khoom siv nyuaj, thiab cov khoom siv lubrication rau cov cua txias kom muaj zog. Cov kev hloov pauv tau zoo xws li cov yuam sij thiab pins tuaj yeem xaiv tau.
(2) Cov tshuab sib xyaw ua haujlwm los ntawm lub lag luam ua haujlwm
Thaum pib txheej txheem thiab nres ntawm lub twj tso kua mis, vim txhaws ntawm lub twj tso kua mis thiab muaj cov roj tsis zoo rau hauv chav sib khi. Yog tias muaj qhov tsis zoo hauv kev sib txhuam, nws yuav ua rau kev sib txhuam qhuav rau ntawm lub ntsej muag kawg lub ntsej muag, thiab cov khoom siv cua tshuab hluav taws xob (dej). Qhov sib txawv ntawm lub tshuab nqus tsev thiab qhov kev ua kom muaj qhov zoo sib txawv ntawm cov lus dag ntawm cov khoom sealing, thiab cov kaw khoom siv neeg siv tau muaj kev yoog raws li ib qho.
Countermeasure:
Los txais ib tug dual kawg neeg kho tshuab foob yuav pab txhim kho lubrication lubrication thiab txhim kho kev sib khi ua tau zoo.
2, takece tshwm sim los ntawm nruab nrab
(1) Tom qab disassembling cov neeg siv hluav taws xob tshuab feem ntau, thiab qee tus tau tshaj tawm, ua rau muaj dej xau thiab txawm sib tsoo ntawm cov hlua ntawm cov ntsaws ruaj ruaj. Vim yog cov nyhuv corrosive ntawm cov hluav taws xob kub thiab cov kua qaub tsis muaj zog thiab cov nplhaib muaj zog ntawm cov roj hmab cov roj hmab, ntau dhau kev toast yog tshwm sim.Cov khoom siv ntawm cov roj hmab dynamic thiab zoo li qub txeeg qub teg yog nitrile -40}, uas tsis tiv thaiv kub thiab kua qaub thiab alkali. Thaum cov dej phwj yog acidic lossis alkaline, nws yog ib txwm rau kev xeb.
Countermeasure:
Rau corrosive media, roj hmab ntu yuav tsum tau ua cov fluororubber uas tiv thaiv kom kub, tsis muaj zog ntawm alkalis.
(2) Cov tshuab sib xyaw ua haujlwm los ntawm cov khoom siv tsis huv, yog tias muaj cov khoom siv sefting kawg, yuav kos lossis nrawm nrog lub ntsej muag kawg lub ntsej muag. Kev tsub zuj zuj ntawm nplai thiab roj nyob rau saum npoo ntawm tus ncej (tes tsho) tau ua kom ceev ntawm txoj kev sib txhuam ntawm cov nplhaib tsis muaj peev xwm them rau kev hnav khaub ncaws hnav. Lub neej khiav tawm ntawm kev nyuaj rau kev sib txhuam nyuaj ntev ntev dua li ntawm kev graphite txhuam hniav, vim tias cov khoom sib txhuam yuav tau kos rau hauv cov nplaim zeb ntawm cov cim pwm.
Countermeasure:
Cov neeg kho tshuab ntsaws ruaj ruaj ntawm tungsten carbide kev sib txhuam cov khub yuav tsum siv nyob rau hauv cov chaw uas cov khoom tau yooj yim siv tau yooj yim.