Ese wahisemo igice gikwiye cy'imashini icukura n'isya ya CNC?

Ubwoko bw'uduce two gucukura dushobora gukoreshwa muImashini zicukura n'izisya za CNCharimo imyitozo yo gusimbuka, imyitozo ya U, imyitozo ikomeye, n'imyitozo yo hagati.

Imashini zikoresha uduce duto (twist drill) zikoreshwa cyane cyane mu mashini zikoresha umutwe umwe (single-head drill press) kugira ngo zicukure ahantu horoshye hanini. Ubu ntabwo zikunze kugaragara mu nganda nini zikora ibyuma binini, kandi ubujyakuzimu bwazo bushobora kugera ku bunini bungana n’ubwato bwa drill inshuro 10.

Iyo umukingo w'ubutaka utari mwinshi, gukoresha amaboko yo gucukura bishobora kwirinda gucukura.Imashini icukura ya CNCIkoresha icyuma gifunganye cya karubide gikozwe muri sima, kirangwa n'ubushobozi bwo gusimbuza icyuma mu buryo bwikora. Ifite imiterere ihanitse, nta mpamvu yo gukoresha amaboko y'icyuma. Inguni nini ya helix, umuvuduko wo gukuraho ibyuma vuba, ikwiriye gukata vuba. Mu burebure bwose bw'icyuma gifunganye, umurambararo w'icyuma ni nk'umugozi uhinduriwe isura, kandi urukuta rw'umwobo mu gihe cyo gucukura ni ruto, kandi ubwiza bwo gucukura ni bwinshi. Uduce dusanzwe tw'icyuma gifunganye ni 3.00mm na 3.175mm.

Agace ko gucukura gakoreshwa mu gucukura sheet y'imiyoboro muri rusange gakoresha karubide ikozwe muri sima, kuko icyuma gikozwe mu gitambaro cya epoxy gipfutseho umuringa gifata igikoresho vuba cyane. Icyo bita karubide ikozwe muri tungsten carbide ikozwe muri matrix na kobalte ikozwe muri binder mu gihe cyo gushyushya no gutwika. Ubusanzwe igizwe na 94% bya tungsten carbide na 6% bya cobalte. Kubera ubukana bwayo bwinshi, ntishobora kwangirika cyane, ifite imbaraga runaka, kandi ikwiriye gukatwa vuba cyane.

Ubukomere buke kandi bugakomera cyane. Kugira ngo harusheho kunozwa imikorere ya karubide ikozwe muri sima, bamwe bakoresha urwego rwa mikoro 5-7 za karubide ikomeye cyane ya titanium (TIC) cyangwa titanium nitride (TIN) ku gice cya karubide hakoreshejwe uburyo bwa chemical vapor deposition kugira ngo igire ubukomere bwinshi. Bamwe bakoresha ikoranabuhanga ryo gutera iyoni kugira ngo batere titanium, azote, na karuboni muri matrix kugeza ku bujyakuzimu runaka, ibyo bikaba binongera ubukomere n'imbaraga gusa, ahubwo kandi ibi bice byatewe bishobora kwimukira imbere iyo agace k'imashini gasubijwemo. Bamwe bakoresha uburyo bwa fiziki kugira ngo bakore urwego rwa diyama hejuru y'imashiniagace ko gucukura, ibyo birushaho kunoza cyane ubukana n'ubudahangarwa bw'icyuma gicukura. Ubukana n'imbaraga bya karubide ikoze muri sima ntibifitanye isano gusa n'ikigereranyo cya karubide ya tungsten na cobalt, ahubwo binafitanye isano n'uduce tw'ifu.

Ku duce duto cyane tw’uduce duto twa karubide dukozwe muri sima, ingano mpuzandengo y’uduce twa karubide ya tungsten iri munsi ya mikoroni 1. Ubu bwoko bw’uduce ntabwo bufite ubukana bwinshi gusa ahubwo bufite n’imbaraga zo gukanda no gukanda neza. Kugira ngo tugabanye ikiguzi, uduce twinshi tw’uduce duto ubu dukoresha imiterere y’uduce duto. Agace k’uduce duto dukozwe muri alloy ikomeye yose. Ubu agace k’uduce duto dukozwe mu cyuma kitagira umugese, ibyo bikaba bigabanya cyane ikiguzi. Ariko, bitewe n’ikoreshwa ry’ibikoresho bitandukanye, ubwiza bwa dynamic concentricity ntabwo ari bwiza nk’uduce duto duto. Agace k’uduce duto duto dukoreshwa mu gucukura, cyane cyane ku duce duto duto.