Chida cha PCD chimapangidwa ndi nsonga ya mpeni wa diamondi ya polycrystalline ndi masanjidwe a carbide kudzera kutentha kwambiri komanso kuthamanga kwambiri. Sizingangopereka kusewera kwathunthu kwa ubwino wa kuuma kwakukulu, kutsekemera kwapamwamba kwambiri, kutsika kwachitsulo chochepa, kutsika kwa kutentha kwapakati, kuyanjana kwazing'ono ndi zitsulo ndi zopanda zitsulo, modulus zotanuka kwambiri, palibe kung'amba pamwamba, isotropic, komanso kuganizira mphamvu yaikulu ya aloyi yolimba.
Kukhazikika kwamafuta, kulimba kwamphamvu komanso kukana kuvala ndizizindikiro zazikulu za PCD. Chifukwa nthawi zambiri amagwiritsidwa ntchito kutentha kwambiri komanso malo opanikizika kwambiri, kukhazikika kwamafuta ndikofunikira kwambiri. Kafukufukuyu akuwonetsa kuti kukhazikika kwamafuta kwa PCD kumakhudza kwambiri kukana kwake kuvala komanso kulimba kwake. Deta ikuwonetsa kuti kutentha kukakhala kopitilira 750 ℃, kukana kwa PCD komanso kulimba kwamphamvu kwa PCD nthawi zambiri kumatsika ndi 5% -10%.
Mtundu wa kristalo wa PCD umatsimikizira katundu wake. Mu microstructure, maatomu a kaboni amapanga ma covalent bond ndi ma atomu anayi oyandikana, amapeza mawonekedwe a tetrahedral, kenako amapanga kristalo wa atomiki, womwe uli ndi mawonekedwe amphamvu ndi mphamvu yomangirira, komanso kuuma kwakukulu. Machitidwe akuluakulu a PCD ndi awa: ① kuuma kumatha kufika 8000 HV, 8-12 nthawi za carbide; ② matenthedwe madutsidwe ndi 700W / mK, 1.5-9 nthawi, ngakhale apamwamba kuposa PCBN ndi mkuwa; ③ kukangana kokwanira nthawi zambiri kumakhala 0.1-0.3, kuchepera 0.4-1 ya carbide, kumachepetsa kwambiri mphamvu yodulira; ④ kukulitsa kokwanira kwamafuta kumangokhala 0.9x10-6-1.18x10-6,1 / 5 ya carbide, yomwe ingachepetse mapindikidwe amafuta ndikuwongolera kulondola kwa kukonza; ⑤ ndi zinthu zopanda zitsulo ndizogwirizana pang'ono kupanga tinthu tating'onoting'ono.
Kiyubiki boron nitride ali amphamvu makutidwe ndi okosijeni kukana ndipo akhoza pokonza chitsulo munali zipangizo, koma kuuma ndi otsika kuposa galasi diamondi imodzi, processing liwiro ndi pang'onopang'ono ndi dzuwa ndi otsika. Daimondi imodzi ya kristalo imakhala yolimba kwambiri, koma kulimba kwake sikukwanira. Anisotropy imapangitsa kukhala kosavuta kudzipatula (111) pamwamba pa mphamvu yakunja, ndipo kukonza bwino kumakhala kochepa. PCD ndi polima yopangidwa ndi tinthu tating'ono ta diamondi tating'onoting'ono mwanjira zina. Chisokonezo cha kusokonekera kwa tinthu tating'onoting'ono timatsogolera ku chikhalidwe chake chachikulu cha isotropic, ndipo palibe cholozera komanso chong'ambika pamwamba pamphamvu yolimba. Poyerekeza ndi diamondi imodzi ya kristalo, malire a tirigu a PCD amachepetsa bwino anisotropy ndikuwongolera makina.
1. Mfundo zopangira zida zodulira PCD
(1) Kusankha koyenera kwa kukula kwa tinthu ta PCD
Mwachidziwitso, PCD iyenera kuyesa kuyeretsa mbewu, ndipo kugawidwa kwa zowonjezera pakati pa mankhwala kuyenera kukhala yunifolomu momwe mungathere kuti mugonjetse anisotropy. Kusankhidwa kwa kukula kwa tinthu ta PCD kumagwirizananso ndi momwe zimakhalira. Nthawi zambiri, PCD yokhala ndi mphamvu zambiri, kulimba kwabwino, kukana kwamphamvu ndi njere zabwino zitha kugwiritsidwa ntchito pomaliza kapena kumaliza kwambiri, ndipo PCD yambewu yolimba imatha kugwiritsidwa ntchito ngati makina olimba. Kukula kwa tinthu ta PCD kumatha kukhudza kwambiri magwiridwe antchito a chida. Zolemba zofunikira zimasonyeza kuti pamene zopangira njere zimakhala zazikulu, kukana kuvala kumawonjezeka pang'onopang'ono ndi kuchepa kwa kukula kwa tirigu, koma pamene kukula kwa mbewu kumakhala kochepa kwambiri, lamuloli silikugwira ntchito.
Zoyeserera zokhudzana nazo zidasankha ufa wa diamondi anayi wokhala ndi kukula kwa tinthu 10um, 5um, 2um ndi 1um, ndipo adatsimikiza kuti: ① Ndi kuchepa kwa tinthu tating'onoting'ono, Co imafalikira mofanana; ndi kuchepa kwa ②, kukana kuvala ndi kukana kutentha kwa PCD kunachepa pang'onopang'ono.
(2) Kusankha koyenera kwa mawonekedwe a kamwa ya tsamba ndi makulidwe a tsamba
Mawonekedwe a tsamba pakamwa makamaka zikuphatikizapo nyumba zinayi: inverted m'mphepete, osamveka bwalo, inverted m'mphepete zosamveka bwalo gulu ndi lakuthwa ngodya. The lakuthwa angular dongosolo kumapangitsa m'mphepete lakuthwa, kudula liwiro mofulumira, akhoza kuchepetsa kwambiri kudula mphamvu ndi burr, kupititsa patsogolo khalidwe la mankhwala, ndi oyenera otsika pakachitsulo zotayidwa aloyi ndi zina otsika kuuma, yunifolomu non-ferrous zitsulo kumaliza. Zozungulira zozungulira zimatha kudumpha pakamwa, kupanga R Angle, kuteteza bwino kusweka kwa tsamba, koyenera kukonza sing'anga / mkulu wa silicon aluminium alloy. Nthawi zina zapadera, monga kuzama kwakuya ndi kudyetsa mpeni kakang'ono, mawonekedwe ozungulira ozungulira amakondedwa. The inverted m'mphepete dongosolo akhoza kuonjezera m'mphepete ndi ngodya, kukhazikika tsamba, koma pa nthawi yomweyo kuonjezera mavuto ndi kudula kukana, oyenera katundu wolemetsa kudula mkulu pakachitsulo zotayidwa aloyi.
Kuti muthandizire EDM, nthawi zambiri sankhani pepala lochepa la PDC (0.3-1.0mm), kuphatikizapo carbide wosanjikiza, makulidwe onse a chidacho ndi pafupifupi 28mm. Chosanjikiza cha carbide sichiyenera kukhala chokhuthala kwambiri kuti chipewe stratification chifukwa cha kusiyana kwapakati pakati pa malo omangira
2, njira yopangira zida za PCD
Njira yopangira chida cha PCD imatsimikizira mwachindunji ntchito yodula ndi moyo wautumiki wa chida, chomwe ndi chinsinsi chakugwiritsa ntchito ndi chitukuko. Njira yopangira chida cha PCD ikuwonetsedwa pazithunzi 5.
(1) Kupanga mapiritsi a PCD (PDC)
① Njira yopanga PDC
PDC nthawi zambiri imakhala ndi ufa wa dayamondi wachilengedwe kapena wopangidwa komanso womangiriza kutentha kwambiri (1000-2000 ℃) komanso kuthamanga kwambiri (5-10 atm). Womangiriza amapanga mlatho womangiriza ndi TiC, Sic, Fe, Co, Ni, etc. monga zigawo zazikulu, ndipo galasi la diamondi limayikidwa mu mafupa a mlatho womangiriza mu mawonekedwe a covalent chomangira. PDC nthawi zambiri imapangidwa kukhala ma disks okhala ndi mainchesi okhazikika komanso makulidwe, ndikupera ndi kupukutidwa ndi njira zina zofananira zakuthupi ndi zamankhwala. M'malo mwake, mawonekedwe abwino a PDC ayenera kukhalabe ndi mawonekedwe abwino kwambiri a diamondi ya kristalo momwe ndingathere, chifukwa chake, zowonjezera mu thupi la sintering ziyenera kukhala zochepa momwe zingathere, nthawi yomweyo, kuphatikiza tinthu tating'ono ta DD momwe tingathere,
② Gulu ndi kusankha kwa zomangira
Binder ndiye chinthu chofunikira kwambiri chomwe chimakhudza kukhazikika kwa kutentha kwa chida cha PCD, chomwe chimakhudza mwachindunji kuuma kwake, kukana kuvala ndi kukhazikika kwa kutentha. Njira zolumikizirana za PCD ndi: chitsulo, cobalt, faifi tambala ndi zitsulo zina zosinthira. Co ndi W ufa wosakaniza unkagwiritsidwa ntchito ngati wothandizira, ndipo ntchito yonse ya sintering PCD inali yabwino pamene kuthamanga kwa kaphatikizidwe kunali 5.5 GPa, kutentha kwa sintering kunali 1450 ℃ ndi kutchinjiriza kwa 4min. SiC, TiC, WC, TiB2, ndi zida zina zadothi. SiC Kukhazikika kwamafuta kwa SiC kuli bwinoko kuposa kwa Co, koma kulimba ndi kulimba kwa fracture ndizochepa. Kuchepetsa koyenera kwa kukula kwazinthu zopangira kungapangitse kuuma komanso kulimba kwa PCD. Palibe zomatira, zokhala ndi ma graphite kapena magwero ena a kaboni mu kutentha kwambiri komanso kuthamanga kwambiri kumawotchedwa mu diamondi ya nanoscale polima (NPD). Kugwiritsa ntchito graphite monga kalambulabwalo kukonzekera NPD ndizovuta kwambiri, koma NPD yopanga imakhala yolimba kwambiri komanso makina abwino kwambiri.
Kusankha ndi kuwongolera ③ mbewu
Ufa wa diamondi yaiwisi ndi chinthu chofunikira kwambiri chomwe chimakhudza magwiridwe antchito a PCD. Prepreat diamond micropowder, kuwonjezera pang'ono zinthu zolepheretsa kukula kwa diamondi particles kukula ndi kusankha wololera wa sintering zina zingalepheretse kukula kwa abnormal diamondi particles.
NPD yoyera yokhala ndi mawonekedwe ofananirako imatha kuthetseratu anisotropy ndikupititsa patsogolo makinawo. The nanographite kalambulabwalo ufa wokonzedwa ndi mkulu-mphamvu mpira akupera njira ankagwiritsidwa ntchito kulamulira okhutira mpweya pa kutentha chisanadze sintering, kusintha graphite kukhala diamondi pansi 18 GPa ndi 2100-2300 ℃, kupanga lamella ndi granular NPD, ndi kuuma kuchuluka ndi kuchepa lamella makulidwe.
④ Chithandizo chamankhwala mochedwa
Pa kutentha komweko (200 ° ℃) ndi nthawi (20h), cobalt kuchotsa zotsatira za Lewis acid-FeCl3 zinali bwino kwambiri kuposa madzi, ndipo chiŵerengero choyenera cha HCl chinali 10-15g / 100ml. Kukhazikika kwamafuta a PCD kumayenda bwino pamene kuya kwa cobalt kumawonjezeka. Pakukula kwa PCD yolimba, chithandizo champhamvu cha asidi chimatha kuchotseratu Co, koma chimakhudza kwambiri magwiridwe antchito a polima; kuwonjezera TiC ndi WC kusintha mawonekedwe a polycrystal opangidwa ndikuphatikiza ndi mankhwala amphamvu a asidi kuti apititse patsogolo kukhazikika kwa PCD. Pakalipano, njira yokonzekera zipangizo za PCD ikupita patsogolo, kulimba kwa mankhwala ndikwabwino, anisotropy yakhala bwino kwambiri, yazindikira kupanga malonda, mafakitale okhudzana ndi chitukuko akukula mofulumira.
(2) Kusintha kwa tsamba la PCD
① ndondomeko yodula
PCD ili ndi kuuma kwakukulu, kukana bwino kuvala komanso njira yodula kwambiri.
② ndondomeko yowotcherera
PDC ndi thupi la mpeni pogwiritsa ntchito makina omangira, kulumikiza ndi kuwomba. Brazing ndi kukanikiza PDC pa carbide matrix, kuphatikizapo vacuum brazing, vacuum diffusion kuwotcherera, high frequency induction heat brazing, laser kuwotcherera, etc. High frequency induction induction heat brazing imakhala yotsika mtengo komanso yobwerera kwambiri, ndipo yakhala ikugwiritsidwa ntchito kwambiri. Ubwino wowotcherera umagwirizana ndi kutulutsa, aloyi wowotcherera komanso kutentha kwake. Kutentha kwa kuwotcherera (nthawi zambiri kutsika kuposa 700 ° ℃) kumakhudza kwambiri, kutentha kumakhala kokwera kwambiri, kosavuta kuyambitsa PCD graphitization, kapena "kuwotcha mopitilira muyeso", komwe kumakhudza mwachindunji kuwotcherera, komanso kutentha kochepa kwambiri kumapangitsa kuti pakhale mphamvu zowotcherera zosakwanira. Kutentha kwa kuwotcherera kumatha kuwongoleredwa ndi nthawi yotsekera komanso kuya kwa PCD redness.
③ njira akupera masamba
Njira yopera zida za PCD ndiye chinsinsi chakupanga. Kawirikawiri, mtengo wapamwamba wa tsamba ndi tsamba ndi mkati mwa 5um, ndipo arc radius ili mkati mwa 4um; kutsogolo ndi kumbuyo kudula pamwamba kumatsimikizira kutha kwina, ndipo ngakhale kuchepetsa kutsogolo kudula pamwamba Ra kuti 0.01 μ m kukwaniritsa zofunika kalirole, kupanga tchipisi kuyenda pamodzi kutsogolo mpeni pamwamba ndi kupewa kumamatira mpeni.
Njira yopera masamba imaphatikizansopo ma grinding a diamondi ma wheel grinding blade grinding, electric spark blade grinding (EDG), chitsulo chomangira chapamwamba kwambiri cholimba abrasive akupera gudumu pa intaneti electrolytic finishing blade grinding (ELID), composite blade akupera Machining. Mwa iwo, diamondi akupera gudumu makina akupera tsamba akupera kwambiri, ntchito kwambiri.
Zoyeserera zokhudzana: ① gudumu lopukutira la tinthu ting'onoting'ono lingayambitse kugwa kwakukulu, ndipo kukula kwa tinthu tating'onoting'ono kumachepa, ndipo mawonekedwe a tsamba amakhala bwino; Kukula kwa tinthu ② kumagwirizana kwambiri ndi mtundu wa tsamba la tinthu tating'onoting'ono tating'onoting'ono tating'onoting'ono tating'onoting'ono tating'ono tating'ono tating'ono tating'ono ta PCD, koma tili ndi mphamvu zochepa pa zida za PCD.
Kafukufuku wokhudzana kunyumba ndi kunja makamaka amayang'ana pamakina ndi njira yopera masamba. M'makina akupera masamba, kuchotsa thermochemical ndi kuchotsa makina ndizofala, ndipo kuchotsa brittle ndi kuchotsa kutopa ndizochepa. Pamene akupera, malinga ndi mphamvu ndi kutentha kukana zosiyanasiyana kumanga wothandizila diamondi mawilo akupera, kusintha liwiro ndi kugwedezeka pafupipafupi gudumu akupera mmene ndingathere, kupewa brittleness ndi kuchotsa kutopa, kusintha gawo la kuchotsa thermochemical, ndi kuchepetsa roughness pamwamba. Pamwamba pa roughness akupera youma ndi otsika, koma mosavuta chifukwa mkulu processing kutentha, kutentha chida pamwamba,
Njira yopera masamba iyenera kulabadira: ① sankhani magawo oyenera akupera kwa tsamba, amatha kupangitsa kuti pakamwa pakamwa pakhale bwino kwambiri, kutsogolo ndi kumbuyo kwa tsamba kumatsirizika. Komabe, ganiziraninso mphamvu yopukutira, kutayika kwakukulu, kutsika kocheperako, kukwera mtengo; ② kusankha wololera akupera gudumu khalidwe, kuphatikizapo binder mtundu, tinthu kukula, ndende, binder, akupera gudumu kuvala, ndi wololera youma ndi chonyowa tsamba akupera mikhalidwe, akhoza konza chida kutsogolo ndi kumbuyo ngodya, mpeni nsonga passivation mtengo ndi magawo ena, pamene kusintha pamwamba pa chida.
Osiyana kumanga diamondi akupera gudumu ndi makhalidwe osiyana, ndi osiyana mphero limagwirira ndi zotsatira. Gudumu la mchenga wa resin binder ndi lofewa, Tinthu tating'onoting'ono timatha kugwa msanga, Kusakhala ndi kukana kutentha, Kutentha kumapunthika mosavuta, Kupukuta kwa tsamba kumakhala kosavuta kuvala zizindikiro, Kukula kwakukulu; Zitsulo binder diamondi akupera gudumu amakhala lakuthwa ndi akupera kuphwanya, Good formability, pamwamba, Low pamwamba roughness wa tsamba akupera, Mwachangu kwambiri, Komabe, kumanga luso akupera particles kumapangitsa kudzikonda kunola osauka, Ndipo kudula m'mphepete n'kosavuta kusiya kusiyana zotsatira, Kuchititsa kuwonongeka kwakukulu m'mphepete; Ceramic binder diamondi akupera gudumu ali ndi mphamvu zolimbitsa, Good kudzikonda excitation ntchito, More mkati pores, Favfor fumbi kuchotsa ndi kutentha dissipation, Angathe kusintha zosiyanasiyana coolant, otsika akupera kutentha, The mphero gudumu ndi zochepa ovala, Good mawonekedwe posungira, Kulondola kwa dzuwa kwambiri, Komabe, thupi la diamondi kuti akupera ndi chomangira pamwamba pa chida chomangira. Ntchito malinga ndi zipangizo processing, mabuku akupera dzuwa, abrasive durability ndi pamwamba khalidwe la workpiece.
Kafukufuku wokhudzana ndi kugaya makamaka amayang'ana kwambiri pakukweza zokolola ndi kuwongolera mtengo. Nthawi zambiri, mlingo wopera Q (kuchotsa PCD pa nthawi ya unit) ndi chiŵerengero cha kuvala G (chiwerengero cha kuchotsa kwa PCD kutayika kwa gudumu) amagwiritsidwa ntchito ngati njira zowunika.
Katswiri waku Germany KENTER akupera PCD chida ndi kuthamanga kosalekeza, mayeso: ① kumawonjezera liwiro gudumu, PDC tinthu kukula ndi ndende ozizira, mlingo akupera ndi kuvala chiŵerengero chafupika; ② kumawonjezera kukula kwa tinthu ting'onoting'ono, kumawonjezera kupanikizika kosalekeza, kumawonjezera kuchuluka kwa diamondi mu gudumu lopera, kuchuluka kwa kugaya ndi kuchuluka kwa mavalidwe; ③ binder mtundu ndi wosiyana, mlingo akupera ndi kuvala chiŵerengero ndi osiyana. KENTER Njira yogaya tsamba ya chida cha PCD idaphunziridwa mwadongosolo, koma chikoka cha kugaya kwa tsamba sichinawunikidwe mwadongosolo.
3. Kugwiritsa ntchito ndi kulephera kwa zida zodulira PCD
(1) Kusankha magawo odulira zida
Pa nthawi yoyamba ya PCD chida, lakuthwa m'mphepete pakamwa pang'onopang'ono kudutsa, ndi Machining pamwamba khalidwe anakhala bwino. Passivation akhoza bwino kuchotsa yaying'ono kusiyana ndi burrs ang'onoang'ono kubweretsedwa ndi tsamba akupera, kusintha pamwamba khalidwe la kudula m'mphepete, ndipo nthawi yomweyo, kupanga zozungulira m'mphepete utali wozungulira Finyani ndi kukonza kukonzedwa pamwamba, motero kuwongolera pamwamba khalidwe la workpiece.
PCD chida pamwamba mphero zotayidwa aloyi, kudula liwiro zambiri 4000m / mphindi, processing dzenje zambiri 800m / mphindi, processing wa mkulu zotanuka-pulasitiki sanali achitsulo zitsulo ayenera kutenga apamwamba kutembenuka liwiro (300-1000m / min). Kuchuluka kwa chakudya kumalimbikitsidwa pakati pa 0.08-0.15mm/r. Kukula kwakukulu kwa chakudya, kuchuluka kwa mphamvu yodulira, kuchulukira kotsalira kwa geometric pamalo ogwirira ntchito; kuchuluka kwa chakudya chochepa kwambiri, kuchuluka kwa kutentha kocheperako, komanso kuchuluka kwa mavalidwe. Kudula kwakuya kumawonjezeka, mphamvu yodulira imawonjezeka, kutentha kwapakati kumawonjezeka, moyo umachepa, kudula kwambiri kungayambitse kugwa kwa tsamba; kuzama pang'ono kumabweretsa kuuma kwa makina, kuvala komanso kugwa kwa tsamba.
(2) Valani mawonekedwe
Chida processing workpiece, chifukwa mikangano, kutentha kwambiri ndi zifukwa zina, kuvala n'zosapeŵeka. Kuvala kwa chida cha diamondi kumakhala ndi magawo atatu: gawo loyamba la kuvala mwachangu (lomwe limadziwikanso kuti gawo la kusintha), gawo lokhazikika lovala lomwe limavala mosalekeza, komanso gawo lovala lofulumira. Kuthamanga kwachangu kumawonetsa kuti chida sichikugwira ntchito ndipo chimafuna kukonzanso. Mitundu yovala ya zida zodulira imaphatikizapo kuvala zomatira (zovala zozizira zowotcherera), kuvala kofalikira, kuvala kwa abrasive, kuvala kwa okosijeni, ndi zina zambiri.
Mosiyana ndi zida zachikhalidwe, mawonekedwe ovala a zida za PCD ndi kuvala zomatira, kuvala kwa diffusion ndi kuwonongeka kwa polycrystalline wosanjikiza. Pakati pawo, kuwonongeka kwa polycrystal wosanjikiza ndi chifukwa chachikulu, amene akuwonetseredwa ngati wochenjera tsamba kugwa chifukwa cha zotsatira kunja kapena imfa ya zomatira mu PDC, kupanga kusiyana, amene ali thupi mawotchi kuwonongeka, zomwe zingachititse kuchepetsa processing mwatsatanetsatane ndi zidutswa za workpieces. PCD tinthu kukula, tsamba mawonekedwe, tsamba ngodya, workpiece chuma ndi magawo processing zingakhudze tsamba mphamvu ndi kudula mphamvu, ndiyeno kuchititsa kuwonongeka kwa wosanjikiza polycrystal. Mu uinjiniya kuchita, yoyenera zopangira tinthu kukula, magawo chida ndi magawo processing ayenera kusankhidwa malinga ndi zinthu processing.
4. Chitukuko cha zida zodulira PCD
Pakalipano, mitundu yogwiritsira ntchito chida cha PCD chakulitsidwa kuchoka ku kutembenukira kwachikhalidwe kupita ku kubowola, mphero, kudula kothamanga kwambiri, ndipo kwagwiritsidwa ntchito kwambiri kunyumba ndi kunja. Kukula kwachangu kwa magalimoto amagetsi sikunangobweretsa zovuta pamagalimoto azikhalidwe zamagalimoto, komanso kubweretsa zovuta zomwe sizinachitikepo m'makampani opanga zida, kulimbikitsa makampani opanga zida kuti afulumizitse kukhathamiritsa ndi kukonzanso.
Kugwiritsa ntchito kwakukulu kwa zida zodulira za PCD kwakulitsa ndikulimbikitsa kafukufuku ndi chitukuko cha zida zodulira. Ndikukula kwa kafukufuku, mafotokozedwe a PDC akucheperachepera, kukhathamiritsa kwamtundu wambewu, kufananiza kwa magwiridwe antchito, kuchuluka kwa kugaya ndi kuchuluka kwa mavalidwe ndikokwera kwambiri, mawonekedwe ndi mitundu yosiyanasiyana. Mayendedwe ofufuza a zida za PCD ndi awa: ① kafukufuku ndikupanga wosanjikiza woonda wa PCD; ② kufufuza ndikupanga zida zatsopano za PCD; ③ kufufuza kwa zipangizo bwino kuwotcherera PCD ndi kuchepetsa mtengo; ④ kafukufuku amathandizira njira yopera ya chida cha PCD kuti ikhale yabwino; ⑤ kafukufuku amakonza zida za PCD ndikugwiritsa ntchito zida malinga ndi momwe zilili; ⑥ kafukufuku moyenerera amasankha magawo odulira malinga ndi zida zokonzedwa.
mwachidule
(1) PCD chida kudula ntchito, kupanga chifukwa chosowa zida zambiri carbide; nthawi yomweyo, mtengo wake ndi wotsika kwambiri kuposa chida chimodzi cha diamondi cha crystal, mu kudula kwamakono, ndi chida cholonjeza;
(2) Malinga ndi mtundu ndi magwiridwe antchito a zida zokonzedwa, kusankha koyenera kwa kukula kwa tinthu ndi magawo a zida za PCD, zomwe ndi maziko opangira zida ndikugwiritsa ntchito,
(3) Zinthu za PCD zimakhala ndi kuuma kwakukulu, zomwe ndizoyenera kudula dera la mpeni, koma zimabweretsanso zovuta zopangira zida zodula. Pamene kupanga, mwatsatanetsatane kuganizira zovuta ndondomeko ndi zofunika processing, kuti tikwaniritse bwino mtengo ntchito;
(4) PCD processing zipangizo m'chigawo mpeni, tiyenera momveka kusankha magawo kudula, pamaziko a kukumana mankhwala ntchito, monga momwe angathere kuwonjezera moyo utumiki wa chida kuti tikwaniritse bwino moyo chida, Mwachangu kupanga ndi khalidwe mankhwala;
(5) Fufuzani ndikupanga zida zatsopano za PCD kuti mugonjetse zovuta zake
Nkhaniyi yachokera ku "superhard material network"
Nthawi yotumiza: Mar-25-2025
