Izinto ekufuneka ziqwalaselwe xa ukhetha i-cemented carbide drill bits

Xa ukhetha i-cemented carbide drills, iimfuno zokuchaneka kwe-dimensional of drilling kufuneka ziqwalaselwe kuqala. Ngokuqhelekileyo, okukhona umngxuma wokuvula usiba mncinci, kokukhona ukunyamezela kuncinci. Ke ngoko, abavelisi be-drill badla ngokuhlela iidrill ngokobubanzi obuqhelekileyo bomngxuma owenziwa ngoomatshini. Phakathi kwezi ntlobo zine zingentla zoqheliso lwe-carbide enesamente, i-carbide drill eqinileyo inokuchaneka okuphezulu kwe-machining (uluhlu lonyamezelo lwe-φ10mm ye-carbide drill eqinileyo yi-0 ~ 0.03mm), ngoko lukhetho olungcono ekwenzeni imingxuma echanekileyo ephezulu; Uluhlu lweendawo zokugrumba i-carbide enesamente edityanisiweyo okanye i-carbide drills enokutshintshwa ngesamente yi-0~0.07mm, efanelekele ngakumbi ukusetyenzwa komngxuma kunye neemfuno zokuchaneka ngokubanzi; iidrill ezinesamente ezifakelweyo zecarbide indexable zifaneleke ngakumbi kumatshini onzima-umsebenzi orhabaxa Nangona iindleko zawo zokusetyenzwa zihlala zisezantsi kunezinye iindidi zokuqhuba, ukusetyenzwa kwawo nako kuphantsi ngokwentelekiso, kunye noluhlu lonyamezelo lwe-0~0.3mm (kuxhomekeke kubude Umlinganiselo wediameter ye-drill), ngoko ke isetyenziselwa ukusetyenzwa komngxuma ngokuchaneka okuphantsi, Okanye gqibezela ukugqitywa komngxuma ngokubuyisela iblade ekruqulayo.

Ukuzinza kwe-drill bit ngokwayo kufuneka kwakhona kuthathelwe ingqalelo. Ngokomzekelo, i-carbide drills eqinile ingqongqo, ngoko banokufikelela ukuchaneka okuphezulu kwe-machining. Isalathiso se-carbide esifakwe kwi-drill bit inozinzo olulambathayo lwesakhiwo kwaye luthanda ukuphambuka. Ukufakwa kwesalathisi ezibini kufakwe kule bit drill. Isifakelo sangaphakathi sisetyenziselwa umatshini indawo esembindini yomngxuma, kwaye isifakelo sangaphandle sisetyenziselwa umatshini umphetho wangaphandle ukusuka kwindawo yangaphakathi ukuya kwidayamitha yangaphandle. Ekubeni kuphela i-blade yangaphakathi ingena ekusikeni kwinqanaba lokuqala lokucutshungulwa, i-drill bit ikwimeko engazinzanga, enokuthi ibangele ukuba umzimba we-drill uphambuke, kwaye ixesha elide le-drill bit, likhulu inani lokuphambuka. Ngoko ke, xa usebenzisa i-cemented carbide indexable indexable drill kunye nobude obungaphezulu kwe-4D yokugaya, ukutya kufuneka kuncitshiswe ngokufanelekileyo ekuqaleni kwesigaba sokugaya, kwaye izinga lokutya kufuneka linyuswe kwinqanaba eliqhelekileyo emva kokungena kwi-stable cut. isigaba .

I-welded cemented cemented carbide drill bit kunye ne-sentable drill drill bit ye-carbide drill yenziwe ngamaphethelo amabini alinganayo kunye ne-self-centering geometric edge type. Olu luzinzo oluphezulu loyilo lokusika lukwenza ukuba kungabikho mfuneko xa usika kwi-workpiece Nciphisa izinga lokutya, ngaphandle kokuba i-drill ifakwe ngokungqongqo kwaye inqunyulwe kwi-angle ethile ukuya kumphezulu we-workpiece. Ngeli xesha, kucetyiswa ukuba kuncitshiswe izinga lokutya ngama-30% ukuya kuma-50% xa kubholwa ngaphakathi nangaphandle. Ngenxa yokuba umzimba wentsimbi ye-drill yolu hlobo lwe-drill bit inokuvelisa i-deformation encinci, ifaneleke kakhulu ukulungiswa kwe-lathe; ngelixa isuntswana le-carbide drill drill ngakumbi, kulula ukuphuka xa isetyenziselwa ukusetyenzwa kwe-lathe, ngakumbi xa i-drill bit ingagxilwanga kakuhle. Oku kuyinyaniso ngakumbi ngamanye amaxesha.

Ukususwa kweChip yingxaki engenakuhoywa ekubhobhozeni. Enyanisweni, eyona ngxaki ixhaphakileyo ekudibaneni nayo kukungasuswa kwetshiphu (ingakumbi xa kusetyenzwa ngentsimbi ephantsi kwekhabhoni), kwaye le ngxaki ayinakuphetshwa kungakhathaliseki ukuba luhlobo luni loqheliso olusetyenziswayo. Iindibano zocweyo zokulungisa zihlala zisebenzisa inaliti yokupholisa yangaphandle ukunceda ukususwa kwetshiphu, kodwa le ndlela isebenza kuphela xa ubunzulu bomngxuma owenziweyo buncinci kunobubanzi bomngxuma kunye neeparamitha zokusika zincitshisiwe. Ukongeza, uhlobo lokupholisa olufanelekileyo, izinga lokuqukuqela kunye noxinzelelo kufuneka lukhethwe ukuze luhambelane nobubanzi bento yokubhola. Kwizixhobo zoomatshini ngaphandle kwenkqubo yokupholisa kwi-spindle, imibhobho yokupholisa kufuneka isetyenziswe. Okukhona unzulu umngxuma oza kucutshungulwa, kokukhona kuya kuba nzima kakhulu ukususa iitshiphusi kunye noxinzelelo olukhulu lokupholisa olufunekayo. Ke ngoko, ukuhamba okuncinci kokupholisa okucetyiswa ngumenzi we-drill kufuneka kuqinisekiswe. Ukuba umqukuqelo wokupholisa awonelanga, isondlo somatshini kufuneka sincitshiswe.


Ixesha lokuposa: Sep-07-2021