Ubomi benkonzo ye-cemented carbide molds ihambelana neemeko zenkonzo, ukuyila kunye nenkqubo yokuvelisa, ukufakwa, ukusetyenziswa kunye nokugcinwa kwe-molds. Ngoko ke, ukuphucula ubomi benkonzo yokubumba, amanyathelo ahambelanayo okuphucula le miqathango kufuneka yamkelwe. Izinto eziphambili ezichaphazela ubomi benkonzo yokubumba zichazwe ngolu hlobo lulandelayo.
(1) Impembelelo yoyilo lwesakhiwo sokubumba kubomi benkonzo ye-molds Ingqiqo yesakhiwo sobumba sinempembelelo enkulu ekuthwaleni amandla okubumba; isakhiwo esingenangqiqo sinokubangela uxinzelelo olunzulu okanye ubushushu obugqithisileyo bokusebenza, ngaloo ndlela kuphazamiseka iimeko zokusebenza zokubumba kwaye kubangele ukungaphumeleli kwangaphambi kwexesha lokubumba. Isakhiwo sokubumba sibandakanya imilo yejometri yecandelo elisebenzayo lokubumba, ubungakanani be-angle yenguqu, ukwakheka kwe-clamping, isikhokelo kunye ne-ejection mechanism, i-gap ye-mold, i-aspect ratio ye-punch, i-angle yokuphela kwe-angle inclination angle, ukuvulwa kwemijelo yamanzi okupholisa kunye nezakhiwo zendibano kwi-molds yokusebenza eshushu, njl.
(2) Impembelelo yezixhobo zokubumba i-carbide kwi-cemented kwi-mold yenkonzo ye-molds Impembelelo yezinto zokubumba kwi-mold yenkonzo yobomi be-molds yimbonakaliso ebanzi yezinto ezifana nohlobo lwezinto zokubumba, ukwakheka kweekhemikhali, ukwakheka kombutho, ubulukhuni kunye nomgangatho we-metallurgical, phakathi kwazo uhlobo lwezinto eziphathekayo kunye nokuqina kunempembelelo ecacileyo. Impembelelo yohlobo lwezinto zokubumba kubomi bokubumba inkulu kakhulu.
Ngoko ke, xa ukhetha izinto zokubumba, izinto zokubumba kufuneka zikhethwe ngokufanelekileyo ngokwesayizi yebhetshi yamacandelo. Ubunzima beendawo ezisebenzayo zokubumba nazo zinempembelelo enkulu kubomi bomngundo, kodwa ukuphakama kobunzima, ixesha elide lokungunda. Ingabonwa ukuba ubunzima be-cemented molds carbide kufuneka bugqitywe ngokuhambelana neempawu zokwenza kunye neefom zokungaphumeleli, kunye nobunzima, amandla, ukuqina, ukunyanzeliswa kokugqoka, ukumelana nokukhathala, njl. Impembelelo yomgangatho we-metallurgical yezinto kubomi bokubumba ayinakungahoywa, ngokukodwa intsimbi ye-carbon alloy alloy, eneziphene ezininzi ze-metallurgical, ezidla ngokuba ngunobangela wokuqhekeka kwe-mold kunye nokulimala kwangaphambili kwi-mold. Ngoko ke, ukuphucula umgangatho we-metallurgical wezinto eziphathekayo kwakhona yinto ebalulekileyo yokuphucula ubomi bobumba.
Yintoni amandla okumelana nokuqhekeka kwe-cemented carbide molds?
Ukumelana nokuqhekeka kwexesha elinye: Iimpawu ezinokuthi zibonakalise ukuxhathisa kwe-brittle fracture yexesha elinye le-carbide molds ene-cemented ngumsebenzi wexesha elinye lokuphuka, amandla oxinzelelo kunye namandla okugoba.
Ukuxhatshazwa kwe-fatigue fracture: Kubonakaliswe ngenani lemijikelezo yokuphuka phantsi komthwalo othile we-cyclic okanye ixabiso lomthwalo obangela ukuba i-specimen iqhekeze kwinani elithile lemijikelezo. I-cemented carbide mold inokubonakaliswa ngezibonakaliso ezininzi ezifana ne-energy encinci i-multiple impact fracture work okanye i-multiple impact fracture life, i-tensile kunye nokunyanzeliswa kwamandla okudinwa okanye ubomi bokudinwa, amandla okudibana nokudinwa okanye ukudibanisa ubomi bokudinwa. Ukumelana nokuqhekeka kwe-crack: Xa i-microcracks sele ikhona kwi-cemented carbide mold, ukuxhathisa ukuphuka kwayo kuyancipha kakhulu. Ke ngoko, ukuchasana kokuqhekeka okwahlukeneyo okuvavanyiweyo kwiisampulu ezigudileyo akunakusetyenziselwa ukuvavanya ukuxhathisa kokuqhekeka komzimba wokuqhekeka. Ngokutsho kwethiyori ye-fracture mechanics, isalathisi sokuqina kwe-fracture singasetyenziselwa ukubonakalisa ukuchasana kwe-fracture ye-crack body.
Ixesha lokuposa: Nov-12-2024
