Yankan Machining na Ƙarfafawa (P/M) Sassan

Amfani da hoda metallurgy (P / M) tsari don ƙera sassa don tsarin wutar lantarki na ci gaba da girma. Sassan da aikin P / M ya ƙera suna da fa'idodi masu mahimmanci da yawa na musamman. Tsarin saura da aka bari da gangan a cikin waɗannan sassan yana da kyau don shafawa kai da rufin sauti. Hadaddun girar da ke da wuya ko ba za a iya kera su ba ta hanyar aikin simintin gargajiya za a iya samar da su ta hanyar amfani da fasahar P / M. Sassan da wannan fasahar kerawa galibi suna da littlean kaɗan ko kaɗan ikon sarrafawa, wanda ke sa su zama masu rahusa da ƙananan sharar abubuwa. Abin takaici, a bayan jan hankalin wadannan siffofin, sassan P / M suna da wahalar inji.

Kodayake ɗayan asalin niyyar masana'antar P / M shine kawar da duk sarrafawa, har yanzu ba'a cimma wannan burin ba. Yawancin sassan zasu iya zama "kusa da sifar ƙarshe" kuma har yanzu suna buƙatar ɗan ƙarasawa.

Koyaya, idan aka kwatanta da simintin gyare-gyare da gafartawa, ƙaramin abu wanda yake buƙatar cirewa daga ɓangarorin P / M abu ne mai jure lalacewa.

Tsarin tsari yana daya daga cikin halaye wanda yake sanya sassan p / M suna da fa'idodi iri-iri, amma rayuwar kayan aiki shima zai lalace ta hanyar tsari mara kyau. Tsarin tsari yana iya adana mai da sauti, amma kuma yana haifar da yankan micro. Lokacin motsawa gaba da gaba daga rami zuwa daskararrun barbashi, kayan aikin kayan aiki suna ci gaba da tasiri, wanda zai iya haifar da ƙananan gajiya da raunin rauni da gefen gefen lafiya tare da gefen yankan. Don yin abubuwa mafi muni, ƙwayoyin yawanci suna da wuya. Ko da kuwa karfin macro na kayan da aka auna tsakanin digiri 20 ne da 35, girman kwayar bangaren yana sama da digiri 60. Waɗannan ƙananan ƙwayoyin suna haifar da tsananin lalacewa da sauri. Yawancin sassan p / M suna da saurin zafi, kuma taurin da ƙarfi na kayan sun fi girma bayan maganin zafi. A ƙarshe, saboda sintering da fasaha magani zafi da gas da ake amfani da shi, farfajiyar kayan za ta ƙunshi ƙwayoyin oxides masu ƙarfi da lalacewa da / ko carbides.

Aiki na sassan P / M

Mafi yawan kaddarorin sassan P / M, gami da ƙarancin aiki, suna da alaƙa ba kawai ga abubuwan haɗin sunadarai na alli ba, har ma da matakin porosity na tsarin porous. Rashin ikon yawancin sassan tsarin har zuwa 15% ～ 20%. Rashin karfin sassan da aka yi amfani da su azaman na'urorin tacewa na iya zama sama da 50%. A dayan karshen jerin, larurar jabun ko bangarorin kwatangwalo 1% ne kawai ko lessasa. Waɗannan kayan suna da mahimmanci a cikin kera motoci da aikace-aikacen jirgin sama saboda suna iya cimma matakan ƙarfi.
Tenarfin ƙarfin ƙarfi, tauri da ƙarancin gami na P / M zai haɓaka tare da ƙaruwa da yawa, kuma ƙila za a iya inganta ƙwarewar, saboda porosity na cutarwa ga tip ɗin kayan aikin.
Ofara yawan matakan porosity na iya inganta aikin rufin sauti na ɓangarori. Raguwar damping a cikin daidaitattun sassa an ragu sosai a cikin sassan P / M, wanda ke da mahimmanci ga kayan aikin inji, abubuwan hura iska mai sanyaya da kayan aikin pneumatic. Babban porosity ma wajibi ne don kayan shafa mai na kai.

Matsaloli a cikin aikin inji

Kodayake ɗayan maƙasudin ci gaba da haɓaka masana'antar P / M shine don kawar da aikin injiniya, kuma ɗayan manyan abubuwan jan hankali na aikin P / M shine cewa ƙaramin aiki ne kawai ake buƙata, sassa da yawa har yanzu suna buƙatar kulawa don samun daidaito mafi girma ko ƙwarewar ƙasa mafi kyau. Abin takaici, sarrafa waɗannan sassan yana da matukar wahala. Yawancin matsalolin da aka fuskanta ana haifar da su ne. Porosity yana haifar da gajiya na ƙananan yankan. Yankan yanki koyaushe yankan shiga da fita. Yana wucewa tsakanin barbashi da ramuka. Maimaita ƙananan tasiri yana haifar da ƙananan ƙwanƙwasawa a kan gefen yankan.

Wadannan raunin gajiya suna girma har sai da gefen yankan ya rushe. Wannan nau'in micro chipping baki galibi kanana ne, kuma yawanci yana nuna lalacewar abrasive na al'ada.
Porosity kuma yana rage tasirin zafin jiki na sassan P / M, wanda ke haifar da babban zafin jiki a gefen yankan kuma yana haifar da lalacewa da nakasawa. Tsarin haɗin haɗin ciki yana ba da hanya don fitowar ruwan yankan daga yankin yankan. Wannan na iya haifar da fasa mai zafi ko nakasawa, musamman wajen hakowa.

Ofara yawan farfajiyar farfajiyar da ke haifar da sifar ciki har ila yau yana haifar da hadawan abu da / ko iskar shaƙatawa yayin maganin zafi. Kamar yadda aka ambata a baya, waɗannan oxides da carbides suna da wuya da lalacewa.

Tsarin tsari yana ba da gazawar ɓangaren taurin karatu, wanda yake da mahimmanci. Lokacin da aka auna nauyin macro na ɓangaren P / M da gangan, ya haɗa da mahimmancin ramin rami. Tsarin mara nauyi yana haifar da rushewar tsarin kuma yana ba da ra'ayin da ba daidai ba na sassa masu taushi. Barbashi sun fi wuya. Kamar yadda aka bayyana a sama, bambancin yana da ban mamaki.

Kasancewar abubuwan ciki a cikin sassan PM shima rashin amfani ne. A yayin aikin inji, za a cire wadannan barbashin daga farfajiyar, kuma za a samu karce ko karce a saman bangaren lokacin da aka goge shi a gaban kayan aikin. Waɗannan abubuwan haɗuwa galibi suna da girma, suna barin ramuka masu ganuwa a saman ɓangaren.

Bambancin abun cikin carbon yana haifar da rashin daidaito na kayan aiki. Misali, sinadarin carbon na fc0208 gami ya fito daga 0.6% zuwa 0.9%. Ofungiyar kayan aiki tare da abun cikin carbon 0.9% suna da ɗan wuya, wanda ke haifar da rayuwar kayan aiki mara kyau. Sauran kayan kayan da ke cikin 0.6% abun cikin carbon suna da kyakkyawar rayuwar kayan aiki. Dukansu gami suna cikin kewayon da ake yarda dasu.

Matsalar mashin ta ƙarshe tana da alaƙa da nau'in yankan da ke faruwa akan ɓangaren P / M. Kamar yadda ɓangaren yake kusa da fasalin ƙarshe, zurfin yankan yawanci yana da zurfi sosai. Wannan yana buƙatar yankan yankan kyauta. Ginin Chip a kan gefen yanki sau da yawa yakan haifar da ƙananan ƙarancin ƙira.

Fasahar sarrafawa

Don shawo kan waɗannan matsalolin, ana amfani da fasahohi da yawa (na musamman ga masana'antu). Tsarin ruɓaɓɓen farfajiya galibi ana rufe shi ta hanyar kutsawa. Requiredarin yankan kyauta yawanci ana buƙata. Kwanan nan, ingantattun fasahohin samar da foda da aka tsara don ƙara tsaftar foda da rage sinadarin oxides da carbides yayin maganin zafi an yi amfani da su.

Metalarfin rufin rufin rufin da aka rufe yana kammala ta ƙarfe (galibi jan ƙarfe) ko shigarwar polymer. An yi jita-jita cewa shigarwar abubuwa kamar man shafawa ne. Yawancin bayanan gwajin sun nuna cewa fa'idar fa'ida tana tattare da rufe tsarin yanayin ƙasa don haka hana ƙananan gajiya na gefen yankan. Ragowar hira yana inganta rayuwar kayan aiki da ƙarewar ƙasa. Amfani mafi kyau na kutsawa yana nuna ƙaruwa 200% a cikin rayuwar kayan aiki lokacin da aka rufe tsarin.

Itiveara abubuwa kamar MNS, s, MoS2, MgSiO3 da BN an san su don haɓaka rayuwar kayan aiki. Waɗannan abubuwan haɓakawa suna haɓaka ƙwarewa ta hanyar sauƙaƙa don kwakwalwan kwamfuta su rabu da abin ɗora hannu, fasa kwakwalwan kwamfuta, hana haɓaka guntu da kuma shafa mai a gefen yankan. Theara adadin ƙari zai iya inganta ƙirar aiki, amma rage ƙarfi da tauri.

Fasahar atomization foda don sarrafa zinare da maganin zafin rana wutar iskar gas yana ba da damar samar da hoda mai tsabta da ɓangarori, wanda ke rage faruwar abubuwan haɗuwa da farfajiyar oxide.

Kayan aiki

Kayan aikin da aka fi amfani dasu a cikin masana'antar P / M sune waɗancan kayan waɗanda suke da jurewa, tsayayyar ƙararrawa da ƙwanƙwasawa a ƙarƙashin yanayin kyakkyawan farfajiya. Waɗannan halaye suna da amfani ga kowane aikin inji, musamman ga sassan P / M. Kayan aikin kayan aikin da aka hada a wannan rukunin sune kayan aikin kwari na boron nitride (CBN), shamaki marasa rufi da mai rufi, da ingantattun carbides masu siminti.

Kayan aikin CBN suna da kyau saboda tsananin taurin kansu da kuma juriya da juriya. An yi amfani da wannan kayan aiki tsawon shekaru a cikin sarrafa ƙarfe da baƙin ƙarfe tare da ƙarfin Rockwell na 45 zuwa sama. Koyaya, saboda keɓaɓɓiyar kaddarorin gami na P / M da mahimmancin bambanci tsakanin microhardness da macrohardness, ana iya amfani da kayan aikin CBN don sassan P / M tare da ƙarfin Rockwell na 25. Babban maɓallin maɓallin shine ƙarfin barbashi. Lokacin da ƙarancin barbashi ya wuce digiri na Rockwell 50, ana samun kayan aikin CBN ba tare da la'akari da ƙimar macro ba. Tabbataccen iyakancewar waɗannan kayan aikin shine rashin ƙarfin su. Game da yankewa ko tsaka-tsaka, ƙarfafa baki gami da ɓarna da ƙoshin lafiya ya zama dole. Za'a iya yin yankan haske mai sauƙi tare da gefen yankan ƙaho.

Akwai abubuwa da yawa na CBN wadanda suke da inganci. Abunda ke da mafi kyawu shine yafi hada duka CBN. Suna da ƙwarƙwara ƙwarai, don haka ana iya amfani da su don zalunci. Limituntatawarsu yawanci suna da alaƙa da ƙarshen fili. Yawancin ƙananan CBN ne ke ƙaddara shi wanda ke haɗa kayan aikin. Lokacin da barbashi ya fado daga gefen yankan, zasu shafi farfajiyar kayan aikin. Koyaya, ba abu mai mahimmanci bane cewa kayan kwayar cuta masu kyau sun faɗi kwaya ɗaya.

Kayan CBN da akasari ana amfani dasu suna da babban abun ciki na CBN da matsakaiciyar kwayar cuta. CBN kammala ruwa hatsi ne mai kyau, kuma abun ciki na CBN yayi ƙasa. Suna da tasiri sosai lokacin da ake buƙatar yankan haske da ƙarshen farfajiya ko lokacin da girar da ake sarrafawa ke da matukar wahala.

A cikin aikace-aikacen yankan da yawa, rayuwar kayan aiki ta kasance mai zaman kanta ne daga nau'in kayan abu. A takaice dai, duk wani abu na CBN na iya cinma irin wannan rayuwar kayan aikin. A waɗannan yanayin, zaɓin kayan abu yafi dogara ne akan mafi ƙarancin farashin kowane yanki. Zane zagaye ɗaya yana da cikakken saman CBN kuma yana iya samar da gefuna huɗu ko sama da haka, wanda ya fi huɗa huɗu CBN wulaƙanci.

Lokacin da taurin P / M sassa ke ƙasa da digiri na Rockwell 35, kuma taurin ƙwayoyin yana cikin kewayon, takaddama yawanci ɗayan zaɓuɓɓuka ne. Cermets suna da matukar wahala, suna iya hana haɓakar guntu sosai kuma suna iya tsayayya da saurin sauri. Bugu da kari, saboda ana amfani da takaddun kwalliya don saurin-karfe da gama karafan karfe da bakin karfe, galibi suna da kyawawan ramuka na geometric masu dacewa da kusa da sassan da aka kirkira.

Takaddun shaida na yau suna da rikitarwa a cikin ƙarfe, tare da har zuwa abubuwa masu haɗa abubuwa 11. Galibi ana sintar su daga ƙwayoyin TiCN da manne Ni Mo. TiCN yana ba da tauri, haɓakar haɓakar guntu da kwanciyar hankali na sinadarai waɗanda ke da mahimmanci don cin nasarar amfani da ƙwayoyin mahaifa. Bugu da kari, waɗannan kayan aikin yawanci suna da babban abun ciki, wanda ke nufin suna da tauri mai kyau. A cikin kalma ɗaya, suna da duk halaye na sarrafa gami da P / M yadda yakamata. Yawancin nau'ikan takaddun shaida suna da tasiri, kamar dai yadda tungsten carbide yake da ƙwanƙwasa a cikin ciminti, mafi girman abin da mai ɗaukar abu yake, mafi kyawun ƙarfin.

Wani sanannen sabon ci gaba shine matsakaiciyar yanayin tururin iskar gas (mtcvd) kuma yana ba da fa'ida ga masana'antar P / M. Mtcvd yana riƙe da duk juriya da tsagewar tsagewar tsagwaron gurɓataccen sinadarin gargajiyar gargajiya (CVD), amma kuma yana inganta taurin da idon basira. Ofara tauri yafi fito ne daga raguwar fasa. Ana ajiye murfin a zazzabi mai ƙarfi sannan a sanyaya a cikin wutar makera. Shafin yana ƙunshe da ɓarna lokacin da kayan aiki suka kai zafin ɗaki saboda rashin daidaiton yanayin zafi. Mai kama da ƙwanƙwasa akan gilashin lebur, waɗannan raƙuman ruwa suna rage ƙarfin yankan yankan. Temperatureananan zafin jiki na mtcvd yana haifar da ƙananan ƙararrawa da mafi ƙarancin yankan yankan.

Lokacin da murfin CVD shafi da mtcvd shafi suna da halaye iri ɗaya da suturar baki, za a iya nuna bambancin ƙarfinsu. Lokacin amfani da shi a cikin aikace-aikacen da ake buƙatar tsananin ƙarfi, aikin ɗaukar mtcvd ya fi na CVD sutura. Ta hanyar bincike, yayin sarrafa sassan P / M tare da tsari mai faɗi, ƙarancin gefen yana da mahimmanci. Shafin Mtcvd ya fi na CVD kyau.

Shafin tururin jiki (PVD) ya fi siriri kuma ba shi da ƙarfi da ya fi na mtcvd ko na CVD. Koyaya, murfin PVD na iya tsayayya da gagarumar tasiri a cikin aikace-aikace. Shafin PVD yana da tasiri lokacin yankan yana lalacewa, CBN da cermets suna da laushi kuma suna buƙatar kyakkyawar farfajiya.

Misali, ana iya yin inji mai amfani da fc2 a gefen layin C-0205 wanda aka sassaka shi da sauri a layin 180 m / min kuma yawan kuzari na 0.15 mm / juyin juya hali. Bayan sarrafa kayan sassa 20, haɓakar guntu na iya haifar da rushewar micro. Lokacin da aka yi amfani da murfin PVD titanium nitride (TIN), toshe guntu an hana shi kuma an tsawanta rayuwar kayan aiki. Lokacin da aka yi amfani da murfin kwano don wannan gwajin, ana tsammanin halaye masu lalacewa na ɓangarorin P / M su zama mafi inganci tare da murfin TiCN. TiCN yana da kusan juriya na haɓaka guntu iri ɗaya kamar tin, amma ya fi tilanda wuya da ƙarfi.

Tsarin mai ƙarfi yana da mahimmanci kuma yana shafar ƙarancin fc0208 alloy. Lokacin da tsarin sifa da halaye suka canza, kayan aikin kayan aiki daban-daban suna ba da fa'idodi masu dacewa. Lokacin da nauyin yayi ƙasa (6.4g / cm3), macrohardness yayi ƙasa. A wannan yanayin, mtcvd mai ruɓaɓɓen carbide yana ba da mafi kyawun rayuwar kayan aiki. Fatiguearnin ƙananan gajiya yana da mahimmanci, kuma taurin gefen yana da mahimmanci. A wannan yanayin, kyakkyawar taurin wuyan wuƙa yana ba da matsakaicin rayuwar kayan aiki.

Lokacin samar da irin wannan allo tare da nauyin 6.8g / cm3, lalacewar abrasive ya zama mafi mahimmanci fiye da ƙwanƙwasa gefen. A wannan yanayin, mtcvd shafi yana samar da mafi kyawun rayuwar kayan aiki. Ana amfani da PVD mai ruɓaɓɓen siminti don gwada nau'ikan nau'ikan ɓangarorin biyu masu matuƙar wahala, kuma yana karyewa lokacin da ya taɓa gefen yankan.

Lokacin da hanzari ya karu (saurin layin ya fi mita 300 a minti daya), cermets har ma da murfin kwalba za su samar da bakin rami. Gilashin da aka lulluɓe shi da shi ya fi dacewa, musamman ma lokacin da ƙarfin taɓarke ​​da keɓaɓɓen carbide mai kyau yake da kyau. Shafin Mtcvd yana da tasiri musamman ga iskar shaka ta siminti tare da yanki mai wadataccen cobalt.

Cermets ana amfani dasu galibi cikin juyawa da gundura. PVD mai ruɓaɓɓen carbides ya dace da aikin zaren saboda ana iya tsammanin ƙarancin gudu da ƙarin hankali don haɓakawa.

Da fatan za a adana tushe da adireshin wannan labarin don sake bugawa:Yankan Machining na Ƙarfafawa (P/M) Sassan  

Minghe Gyare Company aka sadaukar domin tsirar da kuma samar da inganci da high yi Gyare sassa (karfe mutu simintin sassa Range yafi hada da Thin-Wall Mutu Wasa,Hot Chamber Mutu Wasa,Cold Chamber Mutu Wasa), Zagaye Sabis (Mutuwar 'Yan Wasa,CNC machining,Motsa Motsa, Jiyya na sama) .Adadin al'ada Aluminium ya mutu, magnesium ko Zamak / zinc mutu simintin gyare-gyare da sauran buƙatun simintin maraba don tuntube mu.

Karkashin kulawar ISO9001 da TS 16949, Ana aiwatar da dukkan matakai ta hanyar daruruwan injunan jefa simintin da suka mutu, injunan axis 5, da sauran kayan aiki, tun daga masu fashewa zuwa na’urar Ultra Sonic masu wanki.Minghe ba kawai tana da kayan aiki na zamani ba amma kuma tana da kwararru ƙungiyar ƙwararrun injiniyoyi, masu aiki da sufetoci don tabbatar da ƙirar abokin ciniki ta zama gaskiya.

Manufactureran kwangilar masana'antar mutu. Abubuwan haɓakawa sun haɗa da sassan sanyi na sassan mutuɗar aluminum daga 0.15 lbs. zuwa 6 lbs., saurin canje-canje da aka saita, da aikin inji. Sabis-ƙarin ayyuka sun haɗa da gogewa, faɗakarwa, lalatawa, fashewar harbi, zane, zane, rufi, haɗuwa, da kayan aiki. Abubuwan da aka yi aiki tare sun haɗa da allo irin su 360, 380, 383, da 413.

Zinc ya mutu don jefa ƙirar ƙira / sabis na injiniya tare. Custom manufacturer na daidaici tutiya mutu simintin gyaran kafa. Castananan 'yan simintin gyare-gyare, pressurean ƙwanƙwasa masu juzu'in juzu'in simintin gyare-gyaren juzu'ai, ƙera simintin gyare-gyare na al'ada, ɓangaren mutu da' yan wasa masu mutuwa masu zaman kansu da ƙofar da aka hatimce za a iya ƙera su. Za'a iya kerarrar 'yan simintin a tsayi da faɗi har zuwa 24 a ciki. A cikin +/- 0.0005 a cikin. Haƙuri.  

ISO 9001: 2015 bokan masana'anta ta mutu magnesium, Abubuwan haɓaka sun haɗa da matsin lamba na magnesium mai matsi mai yawa har zuwa tan 200 mai ɗumi mai zafi & 3000 ton mai sanyi, ƙirar kayan aiki, gogewa, gyare-gyaren, inji, foda & zanen ruwa, cikakken QA tare da damar CMM , taro, marufi & isarwa.

ITAF16949 bokan. Servicearin Sabis ɗin Gyare Hadawa zuba jari,yashi,Kushin nauyi, Stauren ɓoye ɓoye,Siffar Centrifugal,Cast Vacuum,Dindindin Mould Gyare, .Hanyoyin iyawa sun hada da EDI, taimakon injiniya, ingantaccen samfuri da aiki na sakandare.

Fitar Masana'antu Abubuwan Nazarin sassa don: Motoci, Bikes, Jirgin sama, kayan kiɗa, Jirgin ruwa, Na'urorin hangen nesa, na'urori masu auna sigina, na'urori masu auna sigina, Na'urori, Kayan lantarki, ,unshi, Clocks, Inji, Injiniya, Kayan Kaya, Kayan Jiki, Jigs, Telecom, Haske, Kayan aikin likita, Na'urar daukar hoto, Robobi, Sassaka, kayan sauti, kayan wasanni, Kayan aiki, Kayan wasa da ƙari. 

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By Minghe Mutu Wasa Wasa | Categories: Labarai masu Taimakawa |Material Tags: Gyare Aluminum, Zinc Gyare, Fitar Magnesium, Castan Wasanni, Bakin Karfe Cast, Fitar tagulla,Gyare Tagulla,Fitar Bidiyo,Tarihin Kamfanin,Aluminum Mutu Gyare | Comments Off