Pakadali pano, zida zogwiritsa ntchito kwambiri za CNC makamaka zimaphatikizapo zida za diamondi, zida za cubic boron nitride, zida za ceramic, zida zokutira, zida za carbide ndi zida zachitsulo zothamanga kwambiri.Pali zida zingapo zodulira zida zawo zimasiyana mosiyanasiyana. Zida zadongosolo lazida zosiyanasiyana zalembedwa pansipa. Chida chodulira cha Machining cha NC chiyenera kusankhidwa malinga ndi kapangidwe kake ndi mtundu wa makinawo. Kusankhidwa kwa chida chodulirako kuyenera kukhala koyenera ndi chinthu chosakira, zida zodulira zida ndi chojambula chomwe chikugwirizana, makamaka chimatanthauza mawonekedwe amakina, zinthu zakuthupi ndi zida zamankhwala pamasewera awiriwa, kuti tipeze chida chachitali kwambiri komanso zokolola zazikulu kwambiri.
1.Matching ya kudula chida chakuthupi ndimakina azinthu zamakina Kufanana kwazida zodulira ndi zida zamakina zinthu makamaka zimatanthawuza kufanana kwa chida chodulira ndi zida zamakina monga mphamvu, kulimba ndi kuuma kwa zida zopangira. katundu wosiyanasiyana wamakina ndi oyenera pazinthu zosiyanasiyana zopangira zida zogwirira ntchito. (1) kulimba kwa zida za zida ndi: chida cha daimondi> chida cha cubic boron nitride> chida cha ceramic> carbide> kuthamanga kwambiri mphamvu. chitsulo carbide> chida cha ceramic> diamondi ndi cubic boron nitride chida. (3) dongosolo la kulimba kwa chida ichi ndi: liwilo kwambiri chitsulo> carbide> cubic boron nitride, diamondi ndi zida za ceramic. ndi chida ndi kuuma apamwamba. Kuuma kwa chida kumayenera kukhala kwakukulu kuposa kuuma kwa zolembedwazo, zomwe zimafunikira kuti zikhale pamwamba pa 60HRC. Chida chake chimakhala chovuta kwambiri, kulimba kwake kukana. Mwachitsanzo, kuchuluka kwa cobalt mu carbide wolimba Kuwonjezeka, mphamvu zake ndi kulimba kwake kumakulirakulira ndipo kuuma kumachepa, ndipo ndi koyenera kupanga makina.Pamene zinthu za cobalt zimachepa, kuuma kwake ndi kuvala kukana kumawonjezeka, ndipo ndi koyenera kumaliza.Zida zokhala ndi makina otenthetsera kutentha ndizoyenera makamaka Kutentha kwachangu kwa magwiridwe antchito a ceramic kumawathandiza kudula mwachangu, chomwe ndi 2 ~ 10 mwachangu kuposa carbide.
2.Zida zodulira zida ndi zinthu zakuthupi zimagwirizana ndi zida zosiyanasiyana, monga, matenthedwe otentha kwambiri komanso malo osungunuka azida zazitsulo zothamanga kwambiri, malo osungunuka komanso kukulitsa kwazitsulo zida za ceramic, Kutentha kwakukulu kwa kutentha ndi kutsika kwazitsulo kwa zida za diamondi, ndi zina zambiri, zoyenera kukonza zida zogwirira ntchito ndizosiyana.Pamene makinawo amagwirira ntchito ndi matenthedwe oyipa, chida chomwe chimakhala ndi matenthedwe abwino chiyenera kugwiritsidwa ntchito kupangira kutentha kwakanthawi. Chifukwa cha kutentha kwakukulu kwa matenthedwe ndi matenthedwe otentha, daimondi ndiyosavuta kumasulidwa pakucheka kotentha ndipo siyipanga kutulutsa kwakukulu kwamatenthedwe, komwe ndikofunikira kwambiri pazida zopangira mwatsatanetsatane zofunikira zofunikira kwambiri. kutentha kwa zida zosiyanasiyana za zida: chida cha diamondi 700 ~ 8000C, chida cha PCBN 13000 ~ 15000C, c Chida cha eramic 1100 ~ 12000C, TiC (N) maziko omata carbide 900 ~ 11000C, WC base ultra-fine grain cemented carbide 800 ~ 9000C, HSS 600 ~ 7000C. dongosolo la matenthedwe otenthetsera zida zosiyanasiyana: PCD> PCBN> WC yolimbitsa carbide> TiC (N) simenti carbide> HSS> si3n4-ceramic> ceramic yochokera ku a1203. Udindo wa koyefishienti yakuwonjezera kwamitundu yazida zosiyanasiyana ndi: HSS> WC simenti carbide> TiC (N)> A1203 base ceramic> PCBN > Si3N4 base ceramic> PCD.The dongosolo la matenthedwe kukana zida zosiyanasiyana zida ndi HSS> WC zovuta aloyi> si3n4-base ceramic> PCBN> PCD> TiC (N) hard alloy> a1203-base ceramics.
3.Vuto lofananira ndi chida chodulira komanso chinthu chamankhwala chopangidwira chimangotanthauza kufanana kwa magawo azinthu zamankhwala monga kuyandikira kwamankhwala, kuyankha kwamankhwala, kufalikira ndi kusungunuka kwa chida chodulira chida ndi zinthu zogwirira ntchito. Zipangizo za chida choyenera kugwiritsira ntchito zida zogwirira ntchito ndizosiyana (1) mitundu yonse yazida zodulira (ndi chitsulo) cha PCBN> ceramic> simenti carbide> HSS. (2) kutentha kwa makutidwe ndi okosijeni azida zosiyanasiyana zodulira ndi izi: ceramic> PCBN> carbide diamondi> HSS. Mphamvu ya kufalikira kwa chodulira (chachitsulo) ndi: diamondi> si3n4-base ceramic> PCBN> a1203-base ceramic. Mphamvu ya kufalikira (kwa titaniyamu) inali a1203- ceramic yoyambira> PCBN> SiC> Si3N4> diamondi.
Kulankhula kwakukulu, PCBN, zida za ceramic, zokutidwa ndi carbide ndi zida za TiCN zoyambira ndizoyenera kuwerengera zowongolera zazitsulo.
Post nthawi: Jan-21-2021