Apply kayan aiki ne da aka yi da lu'u-lu'u mai amfani da lu'u-lu'u da carbide matrix ta hanyar tsananin zafin jiki da kuma girman kai tsaye. Ba zai iya ba kawai cikakken wasa ba ga fa'idodin babban ƙarfi, babban aiki na mawuyacin hali, ƙarancin ƙasa da ƙarfe, babu tsabtataccen yanki, amma kuma la'akari da ƙarfi mai ƙarfi na wahala.
Dankarin da ya dace da lafiyarsa, yana tasiri ta hanyar sa juriya sune babban alamun PCD. Saboda ana amfani dashi sosai a cikin zafin jiki da kuma yanayin damuwa mai zafi, walwala shine mafi mahimmanci. Nazarin ya nuna cewa kwanciyar hankali na ICD yana da tasiri sosai akan abin juriya da tasiri. Bayanan suna nuna cewa lokacin da yawan zafin jiki ya fi ƙarfe 750 ℃, sandar juriya da tasiri na PCD ta ragu da 5% -10%.
A Crystal jihar na PCD yana tantance kaddarorin. A cikin microstructure, carbon atoms samar da daidaitattun piverlent tare da hudu na kwayoyin zarra, sannan samar da tsari na atomic, wanda ke da ƙarfi mai ƙarfi da ƙarfi. Babban alamun PCD na PCD sune kamar haka: Hardness zai iya kai 8000 HV, sau 8-12 na Carbide; A halin mutuwar zafin jiki shine 700w / MK, sau 1.5-9, har sama da sama da PCBN da jan ƙarfe; ③ Jariri mai kyau gaba daya ne kawai 0.1-0.3, kasa da 0.4-1 na carbide, yana rage ƙarfi da yankan yankan; ④ pronsion fallence coine ne kawai 0.9x10-6-1.18x10-6-6-6-6-6-6-6 na Carbide, wanda zai iya rage daidaito da inganta aiki; ⑤ Abubuwan ƙarfe marasa ƙarfe ba su da kusanci don samar da nodules.
Cubic Boron Nitride yana da ƙarfi juriya na oxidation kuma na iya aiwatar da kayan da ke dauke da baƙin ƙarfe lu'ulu'u ne mai jinkirin da kuma ingancin aiki ya ragu sosai. Guda ɗaya lu'ulu'u lu'u-lu'u yana da ƙarfi, amma tauri ba ta isa ba. Anisotropy yana sa ya sauƙaƙa rushewa (111) ƙasa a ƙarƙashin tasirin ƙarfi na waje, da kuma ingancin aiki yana da iyaka. PCD shine polymer sinadari ta hanyar micron-sized oconond barbashi ta wata hanyar. Yanayin rikitarwa na rikicewar tarin barbashi yana haifar da yanayin rashin daidaituwa na Macropic, kuma babu wani jagora da kuma a cikin ƙarfi a cikin ƙarfin ƙarfin. Idan aka kwatanta da Diamond Single-Crystal Diamond, da hatsi iyaka na PCD da ya dace yana rage matsu da inganta kayan aikin injin.
1. Tsarin ƙa'idodi na kayan aikin pcw
(1) Zabi na masarar PCD
A kansa, PCD yakamata ya sake adan hatsi, kuma rarraba abubuwan da ƙari tsakanin samfuran ya kamata kamar yadda zai yiwu a shawo kan anisotropy. Zabi na ƙwararren pcd na pcd kuma yana da alaƙa da yanayin aiki. Gabaɗaya magana, pcd tare da babban ƙarfi, kyakkyawa mai wahala, za a iya amfani da hatsi mai kyau, da pcd na m hatsi za a iya amfani da shi don jeri mama. Girman jikin PCD na iya shafar da sandar aikin kayan aiki. Littattafan da suka dace sun nuna cewa lokacin da raw kayan aikin ƙasa yana ƙaruwa, sauke juriya a hankali sosai tare da rage girman hatsi, amma idan girman hatsi ƙanƙane ne, wannan ba mulkin ba zai dace ba.
Related experiments selected four diamond powder with average particle sizes of 10um, 5um, 2um and 1um, and it was concluded that: ① With the decrease of particle size of raw material, Co diffuses more evenly; Tare da rage ②, da sanya juriya da hancin PCD a hankali ya ragu.
(2) Zabi mai dacewa da hasken bakin ruwa da ruwan sama
Hanyar bakin ruwa akalla ya hada da tsarin hudu: a gefe guda: kewaya baki, mai juyawa baki mai haske da kuma kaifi kusurwa. Tsarin angular mai kaifi yana mai kaifi mai kaifi, saurin yankewa yana da sauri, na iya rage girman silicon na samfurin, ya fi dacewa da ingancin siliconum da kuma sauran ƙarancin mawuyacin hali. Tsarin zagaye na obtuse na iya bushãshen bakina, forming rarurrika rarshe, yadda ya kamata hana warin da ya dace, ya dace da matsakaici / ya dace Silicon aluminum. A wasu maganganu na musamman, kamar zurfin yankan saƙa da ƙananan wuka, an fi son tsarin zagaye. Tsarin kwance mai juyawa na iya ƙara gefuna da subers, amma a lokaci guda zai ƙara matsin lamba da kuma dacewa da nauyin nauyi siliconum ado.
Don sauƙaƙe Edm, yawanci zaɓi a kan takardar pdc na bakin ciki na bakin ciki (0.3-1.0mm), da carbide Layer, jimlar kaurin kayan aiki kusan 28mm ne game da 28mm. Carbide Layer bai kamata ya yi kauri sosai ba don guje wa stratification wanda bambanci bambanci tsakanin bangarorin
2, tsarin masana'antar kayan aikin kayan aikin PCD
Tsarin masana'antu na kayan aiki kai tsaye yana tantance irin aikin yanke da rayuwar aikin kayan aiki, wanda shine mabuɗin aikace-aikacen da ci gaba. An nuna tsarin masana'antu na kayan aikin PCD a cikin Hoto na 5.
(1) Masana'antu na Allunan PCD (PDC)
Tsarin PDC na PDC
PDC an haɗa da foda na zahiri ko roba mai roba a babban zafin jiki (1000-2000 ℃) da matsanancin matsin lamba (5-10 ATM). Wakilin da yake da kai ya samar da gadar da ke da hannu tare da TIC, SC, Fe, CO, NI, da sauransu a matsayin babban gada, da lu'u-lu'u gada a cikin kasusuwa a cikin hanyar covalent bond. PDC an sanya shi cikin disks tare da tsafaffen diamita da kauri, da niƙa kuma an goge shi da kuma sauran jiyya na zahiri da kuma sunadarai. A cikin jigon PDC ya kamata ya riƙe kyawawan halaye na zahiri na ɗaya lu'ulu'u kamar yadda zai yiwu, a lokaci guda, barbashi DD Bond hade gwargwadon iko,
Bayani da Zamani na Zaman Lafiya
The binder is the most important factor affecting the thermal stability of the PCD tool, which directly affects its hardness, wear resistance and thermal stability. Hanyoyin haɗin na PCD sune: baƙin ƙarfe, cobalt, nickel da sauran karafa. CO da w gauraye foda an yi amfani da shi azaman wakili, da kuma cikakkiyar aikin PCD, da matsin lamba na suna shine 1450 ℃ da kuma rufin don 4min. Sic, TIC, WC, Tib2, da sauran kayan yumbu. Sic da kwanciyar hankali na sihiri na SCI ya fi na Co, amma Hardness da kuma tashin hankali da karfin gwiwa suna da ƙasa kaɗan. Girman da ya dace na girman kayan masarufi na iya inganta wuya da tauri na PCD. Babu wani m, tare da zane ko wasu hanyoyin carbon a cikin zafin jiki na tsayi da kuma an ƙone matsin lamba a cikin lu'u-lu'u na Nanoscale. Ta amfani da zane-zane a matsayin mai gabatarwa don shirya NPD shine mafi yawan yanayi, amma npd npd yana da ƙarfi mafi kyau da kuma mafi kyawun kayan aikin.
Zabi da sarrafa hatsi ③ hatsi
Raw na kayan lu'u-lu'u na foda shine maɓalli mai mahimmanci wanda ya shafi aikin PCD. Yi amfani da lu'u-lu'u microphond micropower, ƙara karamin adadin abubuwa suna hana cutar lu'u-lu'u mai narkewa da kuma zaɓi mai ma'ana na kayan sihiri na iya hana haɓakar barbashi mara kyau.
Babban npd na npd tare da tsarin tsari na iya kawar da matattara da kuma inganta inganta kaddarorin. Bayanan nanGraGe precorsor foda wanda aka shirya ta hanyar babban ball m hanya a ƙarƙashin 18 GPALADE, SURELLALI GLOURLI NA 18 GPALADE, kuma HARKINSA LAMELLA DA RANAR LAMELLA.
④ marigayi magani magani
A daidai zafin jiki guda (200 ° ° ℃) da lokaci (20h), sakamakon cirewar clob3 ya kasance mafi kyau daga ruwan hcl na HCL ya kasance 10-15G / 100ml. Dogarowar da yake ciki na maganin PCD ya inganta yayin da zurfin coastth na cirewa yana ƙaruwa. Don m-groined ci girma PCD, ƙarfin acid mai ƙarfi na iya co co, amma yana da tasiri sosai akan aikin polymer; Dingara Tic da WC don canza tsarin Polycrystal da haɗuwa tare da magani mai ƙarfi acid don inganta kwanciyar hankali na PCD. A halin yanzu, kayan shiri na kayan fata shine inganta, samfurin yana da kyau, an inganta yanayin anisropy sosai, ya sami ingantacciyar samarwa cikin sauri.
(2) Gudanar da PCD RET
① yankan tsari
PCD yana da ƙarfi sosai, kyakkyawan sanadin juriya da kuma babban abu mai wuya.
Hanyar Welding
PDC da kuma wuyan wuƙa ta hanyar ƙirar injiniyoyi, haɗin gwiwa da ƙarfin gwiwa. Brazing shine latsa PDC a kan matrix na Carbide, ciki har da Cibiyar rikice-rikice, da sauransu da ke haifar da dumama mai tsada da ma dawowa mai yawa, kuma an yi amfani da shi sosai. Ingancin waldi yana da alaƙa da jujjuyawar, walda alloy da walda zazzabi. Welding zazzabi (gabaɗaya ƙasa da 700 ° ℃) yana da babban tasiri, da sauƙi don magance yanayin waldi, ko kuma ƙarancin wuta zai haifar da isasshen ikon waldi. Za'a iya sarrafa walwal mai walda da lokacin rufin da zurfin jan ciki.
③ Share Gudanarwa
PCD Tourt tsari shine mabuɗin don tsari. Gabaɗaya, ƙwarewar ruwa na ruwa da ruwa yana cikin 5um, kuma radius na Arc a cikin 4um; Gabannin yankan da baya tabbatar da tabbatuwa na gaba, har ma a rage gaban yankan madubi Ra zuwa 0.01 μ m don haduwa da wuyan madubi, sanya kwakwalwan kwamfuta yana gudana tare da wuka gaba kuma ya hana wuka.
Tsarin ruwa wanda ya hada da mai amfani da lu'ulu'u mai ruwa mai ruwa, Edg), molder Super wuya mai dauke da ruwa mai dauke da ruwa mai dauke da kai (Elid), compite ruwa na nika mamaring. Daga gare su, ruwan ƙwararrun grinding na injin da ke cikin ɗakunan ƙwallon ƙafa shine mafi yawan balaga, da aka fi so.
Gwajin da ya shafi: ① sprle comple dabaran zai haifar da rushewar ruwa, kuma girman girman nika ya ragu, kuma ingancin ruwa ya zama da kyau; Girman barbashi ② nika ƙafafun yana da alaƙa da yalwataccen kayan aikin da aka yi amfani da kayan aikin PCD akan ɓoyayyun kayan aikin PCD.
Bincike mai alaƙa a gida kuma a ƙasashen waje ya mayar da hankali ga tsarin da kuma tsarin ruwa zai nisanta. A cikin kayan masarufi, cirewar tsintsiya da na inji da na inji sune rinjaye, da cire cire da cirewa da na gajiya suna da ƙarami. A lokacin da ke nika, bisa ga ƙarfin da zafin da ya jingina manyan ƙafafun Diamond Damaran ruwa, haɓaka cirewa da Fasaiga, da rage girman cirewar. A farfajiya na bushe bushe yow, amma a sauƙaƙa saboda babban aiki zazzabi, ƙona kayan aiki,
Haske na ruwa yana buƙatar kulawa ga: ① Zaɓi madaukai na nika mai dacewa, na iya haifar da gefen gefen gaba da gaba. Koyaya, kuma la'akari da babban greder karfi da ƙarfi, babban asara, ƙarancin niƙa, babban farashi; ② Zaɓi ingancin da ke da kyau, gami da nau'in kwalin burodi, girman mukamin kayan aiki, yayin inganta ingancin kayan aiki, yayin inganta ingancin kayan aiki.
Daban-daban mai girman kai mai girman kai mai zane mai ban sha'awa suna da halaye daban-daban, da kuma tsarin nika daban-daban. Sake samar da yumbu lu'u-lu'u mai laushi mai laushi mai laushi, barbashi nika suna da sauƙin faduwa da wuri, zafi yana raguwa, babban ƙarfi; An ci gaba da katako mai kyau na karfe mai kaifi ta hanyar yin murƙushewa, ingantaccen tsari, ƙarancin ƙarfi na barbashi mai ƙarfi yana sa lalacewa mai girma, yana haifar da lalacewa mai kyau; Ceramic Bakinarrada Diamond Grinding Wancan yana da ƙarfi matsakaici, mai kyau zazzabi, da nika rijiyoyin da ke haifar da samuwar ramuka a kan kayan aiki. Yi amfani gwargwadon kayan sarrafawa, cikakken ƙarfi ingancin ƙarfin, karkatacciyar ƙa'idar da ingancin kayan aikin.
Binciken kan Ingantaccen Ingantaccen Ingantaccen yana mai da hankali kan inganta yawan aiki da farashin sarrafawa. Gabaɗaya, nika na cire Q (PCD na Cire kowane lokaci) da sanya rabo daga cikin asarar da aka fi amfani da shi) ana amfani da su azaman ƙa'idodin dabaru.
Kabarin Jamus ya share kayan aikin PCD tare da matsin lamba na yau da kullun, gwaji: girman ƙwayar ƙwayar cuta, ƙimar ƙwayar cuta, ƙimar ƙwayar cuta, ƙimar ƙwayar cuta, ƙimar rijiyoyin da aka rage; ② itara yawan nika girman barbashi, yana ƙara yawan matsin lamba a cikin dabarar nika, ragin narara da kuma sanya rabo; Nau'in bider ya bambanta, ƙimar rijista da kuma ɗaukar rabo daban. Keparfin ribar da ke tafe na kayan aikin PCD ya yi nazari da tsari, amma ba a bincika tasirin hatsi na hatsi ba tsari.
3. Yi amfani da gazawar kayan aikin pcw
(1) Zabi na sigogi masu yankan kayan
A lokacin farkon lokacin kayan aiki na PCD, mai kaifi baki a hankali ya wuce, kuma ƙimar taɓancewar ta zama mafi kyau. Passivation na iya cire kayan rata da ƙaramin ƙailiyar da aka kawo, haɓaka ingancin gefen yankan yankan, kuma a lokaci guda, samar da ingantaccen yanayin sarrafa kayan aiki.
PCD Touren ƙasa Milling allo mai dariya, yankan hanzari gabaɗaya a cikin 4000m / min, aikin aiki yana cikin ƙarfe mai ƙarfi (300-1000m / min). Ana ba da shawarar ƙara ƙara a tsakanin 0.088-0.15mm / r. Manyan babban abinci, ƙara yawan yankewa ƙarfi, ƙara haɓakar yanki na kayan aikin ƙasa; Yawan cigaban abinci, ƙara yawan yankan zafi, kuma ƙara yawan sa. Zurfin yankan yana ƙaruwa, ƙarfin yankan yana ƙaruwa, zafi mai yawa yana ƙaruwa, rayuwa tana raguwa, zurfin yankan yankan na iya sauke rushewar ruwa; Zurfin yankan yankan zai haifar da harafin da ya taurare, sa kuma ko da ruwa rushewa.
(2) sanya tsari
Aikin sarrafa kayan aiki, saboda rikici, zazzabi mai zafi da sauran dalilai, sutten ba makawa. A wurin kayan aikin lu'u-lu'u ya ƙunshi matakai uku: Lokaci na farko da aka suturta shi (wanda aka sani da yanayin canji tare da yanayin saiti, da kuma yanayin saurin sutura. Lokaci mai saurin sa yana nuna cewa kayan aiki ba ya aiki kuma yana buƙatar regrinding. Saka siffofin yankan yankan sun hada da m suttura (sanannun walkiya
Bambanta kayan gargajiya da kayan gargajiya, sanya kayan aikin PCD shine m sakin, waci watsa da lalacewar polycrystalline Layer. Daga cikin su, lalacewar Polycryst Layer shine babban dalilin, wanda aka bayyana shi ne kamar yadda aka bayyana a matsayin babban abin da ke PDC, wanda zai haifar da rage girman aiki na waje, wanda zai haifar da rage girman aiki na waje, wanda zai haifar da rage girman aikin sarrafawa da kuma scrap na aiki. Siffar da sassa na PCD, fam, kwana na gida, kayan aikin kayan aiki da sarrafawa, sannan kuma ya haifar da lalacewar polycryster. A cikin aikin injiniya, girman albarkatun kayan masarufi mai dacewa, sigogi kayan aiki da kayan aiki ya kamata a zaɓi gwargwadon tsarin sarrafawa.
4. Haɓaka yanayin kayan kwalliyar pcw
A halin yanzu, kewayon kayan aikin PCD an faɗaɗa daga turninging na gargajiya zuwa hawa, milling, yankan saurin gudu, kuma an yi amfani da su sosai a gida da kuma ƙasashen waje. Saurin ci gaban motocin lantarki bai kawo tasiri ga masana'antar kayan aiki na gargajiya ba, amma kuma ya kawo kalubalen da ba a taba bayyanawar kayan aikin ba don ingantawa da bidi'a.
Manyan aikace-aikacen yanke kayan aikin kayan kwalliya na kayan kwalliya sun zurfafa kuma haɓaka bincike da haɓaka kayan aikin yankan. Tare da zurfafa bincike, bayanan PDC suna samun karami da karami, ingancin gyara mai gyara iri, tsari da kuma babbar yuwuri. Hanyoyin bincike na kayan aikin PCD sun hada da: ① Bincike da haɓaka na bakin ciki PCD; Binciken Bincike da haɓaka kayan kayan aikin PCD; Yi bincike mafi kyau da kayan aikin PCD da kuma ci gaba rage farashin; Binciken Bincike yana inganta tsarin aiki na PCD Torinding tsari don haɓaka haɓaka; Binciken Bincike na kayan aiki na PCD kuma yana amfani da kayan aikin gwargwadon yanayin yankin; Binciken bincike mai mahimmanci zaɓi sigogi sigogi bisa ga kayan da aka sarrafa.
Takaitaccen bayani
(1) Aikin kayan aikin kayan abinci na PCD, gyara don karancin kayan aikin carbide; A lokaci guda, farashin ya kasance ƙasa da kayan aiki na lu'ulu'u mai mahimmanci, a cikin yankan zamani, kayan aiki ne mai farawa;
(2) Dangane da nau'in da aikin kayan da aka sarrafa, zaɓi na kayan aikin da sigogi na kayan aikin PCD, wanda shine farkon masana'antar kayan aikin da kuma amfani da shi,
(3) kayan picd kayan yana da babban ƙarfi, wanda shine ingantaccen kayan don yankan yankin wuka, amma kuma yana kawo wahalar yankan masana'antar kayan aikin. Lokacin da masana'antu, don sanin cikakken tsari da kuma sarrafa buƙatun, don cimma mafi kyawun farashi;
(4) kayan aiki masu sarrafawa a County County, ya kamata mu zaɓi aikin yankan kayan aiki don cimma daidaiton rayuwar kayan aiki, ƙarfin samarwa da ingancin samfurin;
(5) Bincike da haɓaka sabbin kayan aikin kayan aiki don shawo kan abubuwan da ta haramta
An mayar da wannan labarin daga "Superhard"
Lokacin Post: Mar-25-2025
