Aikace -aikacen Fasahar Fasaha Mai Sauri a cikin Fitar Jarin

Rapid Prototyping (RP) babban fasaha ne wanda aka haɓaka a cikin 1990s. Zai iya saurin juyar da ƙirar ƙira a cikin zukatan mutane zuwa abubuwa na ainihi. Yana da mahimmanci a ambaci cewa duk tsarin haɓaka samfuran baya buƙatar kowane kyawon tsayuwa da kayan aikin aiwatarwa, wanda ke taƙaita ƙimar sake gwajin samfur da sabbin samfura, kuma cikin sauri ya zama mahimmiyar hanya da kayan aiki don haɓaka gasa na kamfanoni. Binciken tambayoyin Intanit wanda INCAST 2004 (11) ya buga ya nuna cewa sama da kashi 93% na masana'antun simintin saka jari sama da 400 a Turai sun yi amfani da samfuri cikin sauri. Duk masu yin tambayoyi sun yarda cewa amfani da wannan sabuwar fasaha yana da mahimmanci don hanzarta sabbin samfura. Yana da matukar mahimmanci a haɓaka da haɓaka ikon kamfanoni don amsawa da sauri ga kasuwa.

Aikace -aikacen Hanyoyin Hanyoyin Hannuwan Hannu Masu Sauƙaƙe A Fitar Jarin

Aikace -aikacen fasahar keɓaɓɓiyar samfuri a cikin simintin saka jari galibi ya haɗa da fannoni masu zuwa:

1. Sanya jari

Lokacin yin alamu, injin ƙirar sauri ba zai iya shigar da samfuran geometric masu girma uku kawai waɗanda wasu software na CAD suka kafa ba, har ma suna karɓar fayilolin bayanan da CT masana'antu (Kwamfutar Kwamfuta) ke bincika. Misali, da farko bincika ɓangaren (dunƙule dunƙule, Hoto 12-1a) ta CT don samun hoto mai girma biyu na sashinsa (Hoto 12-1b). Daga baya, software na sarrafa hoton ya haɗa hotuna masu girma biyu na kowane sashe (Hoto 12-1c) don ƙirƙirar ƙirar geometric mai girma uku (Hoto 12-1d). Sannan a aika da shi zuwa mashin ɗin samfuri mai sauri don yin tsari (Hoto 12-1e) [2]. Wannan hanyar sabuntawa (baya) na injiniya ba zai iya dawo da sassan injin kawai ba, har ma yana kwaikwayon wasu gabobin ɗan adam.

2. Yin kwaskwarima (matsawa matsawa) da sauran kayan aikin aiwatarwa

Akwai hanyoyi guda biyu don yin madaidaicin simintin gyare -gyare ta hanyar yin samfuri da sauri: ɗayan shine fara yin ƙirar ƙirar farko, sannan sake gyara ƙirar epoxy ko silicone; ɗayan hanyar ita ce amfani da toshe ƙimar girma mai girma uku da aka samar a cikin tsarin CAD Samfurin geometric yana shigar da kai tsaye cikin injin ƙirar sauri don yin gyare-gyaren resin. Irin wannan bayanin martaba yafi dacewa da ƙaramin tsari (ɗimbin guntu). Idan an fesa murfin ƙarfe game da kauri 2mm a saman ƙirar maigidan, kuma an cika resin epoxy daga baya don yin bayanin ƙirar ƙarfe-epoxy, zai iya cika buƙatun samar da ɗaruruwan madaidaitan simintin gyare-gyare. Lokacin amfani da hanyar SLS, alal misali, an canza abin sarrafawa daga murfin murfi zuwa foda na ƙarfe tare da ƙaramin murfin resin thermosetting akan farfajiya, laser ya ɓata don samar da ƙaramin abu, sannan kuma ya harba don cire resin, kuma a ƙarshe ruwan jan ƙarfe. yana shiga cikin pores na m. Sakamakon da aka samu ya yi kama da ƙarfe dangane da ƙarfi da haɓakawar zafi. Bugu da ƙari, ana iya amfani da fasahar keɓaɓɓiyar ƙirar ƙirar ƙirar ƙirar sifa.

3. Kai tsaye samar da simintin gyare -gyare

A farkon shekarun 1990, dakin gwaje -gwaje na Sandiana na kasar Amurka ya gudanar da bincike na musamman da ake kira Fast Casting (FastCAST), wanda aka sanya wa suna Direct Shell Casting (DSPC). Abin takaici, rahotanni kaɗan ne daga baya.

A cikin 1994, Kamfanin Z na Amurka ya sami nasarar haɓaka fasahar bugun 3D Bugun 3D. Asalin fasahar an ƙirƙiro ta kuma ta ba da izini ga Farfesa Ely Sachs na Cibiyar Fasaha ta Massachusetts. Ka'idar ta asali tana kama da hanyar SLS. Na farko, an yayyafa wani abu mai ƙyalƙyali ko foda filastik tare da abin nadi. Bambanci daga SLS shine a maimakon a tuki shugaban da ke fitar da laser, yana tuka injin buga inkjet don fesa manne don “bugu” gwargwadon ƙirar giciye. Maimaita ayyukan da ke sama har sai an gama sassan, don haka ake masa suna 'fasahar bugun 3D'. Amfaninta shine ƙarancin farashin aiki da farashin kayan, da babban gudu. Idan foda da aka fesa ya zama cakuda foda na gypsum da yumɓu, ana iya yin shi kai tsaye da sauri ya zama ƙyallen (gypsum mold) don jefa aluminium, magnesium, zinc da sauran simintin ƙarfe mara ƙarfe, wanda ake kira ZCast (Hoto 12-2) .

Kwatanta Hanyoyin Aikace -aikacen Hanyoyin Hanyoyin Saurin Gaggawa 

A halin yanzu, mafi mashahuri hanyoyin haɓaka samfuri a cikin samarwa na ainihi sun haɗa da lithography mai girma uku (SLA), sintering laser sintering (SLS), fusion deposition (FDM), masana'antu laminate (LOM) da simintin gyare-gyaren kai tsaye (DSPC)) Jira. A cikin 'yan shekarun nan, cibiyoyin bincike na kasashen waje da yawa sun kwatanta hanyoyin da ke sama dangane da ingancin samfuran samarwa da aiwatar da simintin saka jari. Sakamakon haka kamar haka:

• 1) Hanyar SLA tana da madaidaicin madaidaicin ma'auni, wanda SLS da FDM ke bi, kuma hanyar LOM ita ce mafi ƙasƙanci [4].
• 2) Ƙarfin ƙirar ƙirar surface An ƙera farfajiyar ƙirar kuma an gama ta kuma an auna ta da ma'aunin ma'aunin farfajiya. An nuna sakamakon a cikin Table 12-1 [4]. Ana iya ganin cewa kaurin yanayin ya fi kyau ta hanyoyin SLA da LOM, kuma hanyar FDM ita ce mafi kauri.
• 3) Ikon yin haɓakar ɓangarori masu kyau An bincika ikon waɗannan hanyoyin guda huɗu don haɓakar ɓangarori masu kyau tare da tara tare da ramin haƙora na kusan 3mm a matsayin abin. Sakamakon haka, SLA shine mafi kyau kuma FDM shine mafi munin [4].
• 4) Aiki a cikin simintin saka hannun jari Daga cikin hanyoyin guda huɗu da ke sama, samfurin da kansa shine hanyar ƙirar kakin zuma (kamar FDM ko SLS), wanda zai iya sauƙaƙe dacewa da buƙatun aiwatar da simintin saka hannun jari kuma babu shakka yana yin mafi kyau. Ko da yake ana iya ƙona resin ko takarda, amma ba su da sauƙi don dacewa da buƙatun simintin saka hannun jari kamar ƙirar kakin zuma. Ana buƙatar ci gaba na yau da kullun don guje wa hasara.

Kwatanta yanayin kazamin alamu

Daga ra'ayi na gaba ɗaya, kodayake hanyar SLA tana da rashin jituwa tare da aiwatar da simintin saka hannun jari, ya shahara saboda kyakkyawan daidaiton girmansa da ingancin farfajiya. A cikin ƙasashen waje, musamman a cikin sararin sama da masana'antun sojoji Ana amfani da kamfanonin jinginar zuba jari. Kodayake ingancin hanyar SLS ya yi ƙasa da na SLA, yana da sauƙi don dacewa da buƙatun aiwatar da simintin saka hannun jari. Sabili da haka, ana ƙara amfani da aikace -aikace a cikin simintin saka hannun jari na cikin gida. Kodayake hanyar FDM ita ce mafi sauƙi don dacewa da buƙatun aiwatar da simintin saka hannun jari, daidaiton girma da ingancin farfajiyar kakin zuma ba mai gamsarwa ba; yayin da hanyar LOM ke da inganci mai karɓa, amma yana da wuya a daidaita da simintin saka hannun jari. Saboda haka, yana da wuya a daidaita da simintin saka hannun jari. Haɓakawa da aikace -aikacen hanyoyin biyu a simintin saka hannun jari suna ƙarƙashin wasu ƙuntatawa.

Sabbin Ci Gaba A Aikace -aikacen SLA Da SLS A Fitar Jari

1. Sabon resin da ke warkar da haske

An sayar da hanyar SLA a farkon 1987. An fara amfani da shi don yin samfuran jiki da samfura tare da wasu ayyuka. A farkon shekarun 1990, an sami nasarar haɓaka software na QuickCast na 3D System Inc a Amurka, wanda ya ba da damar SLA mai saurin kera injin don samar da sifar saƙar zuma (Hoto 12-3a) yayin da yake ci gaba da kasancewa mai kaifi da kauri. -12b), Ba wai kawai yana ceton 3% na kayan gyare -gyaren ba, har ma lokacin da aka harba harsashi, ƙirar ta fara rushewa a ciki ba tare da fasa harsashi ba. Bugu da ƙari, mutane sannu a hankali sun gano cewa don resins masu warkar da haske don kera, su ma suna buƙatar cika waɗannan buƙatun na musamman:

• Viscosity-idan danko resin ya yi yawa, zai yi wahala a zubar da sauran resin a cikin rami bayan an yi tsari. Idan akwai resin na da yawa, har yanzu yana iya fasa harsashi yayin yin burodi, don haka rabuwa da centrifugal galibi ya zama dole. Matakan. Bugu da kari, farfajiyar tsarin da aka gama shima yana da wahalar tsaftacewa.
• Ragowar toka-wataƙila shine mafi mahimmancin buƙata. Idan an toka ragowar tokar bayan harsashi, zai haifar da haɗe-haɗe da ƙarfe da sauran lahani a farfaɗɗen simintin.
• · Abun ƙarfe na ƙarfe mai nauyi-wannan yana da mahimmanci musamman don jefa superalloys. Misali, antimony abu ne wanda aka saba da shi a cikin resin warkar da hasken SLA. Idan ya bayyana a cikin tokar da ta rage bayan da aka harba harsashi, zai iya gurɓata gami har ma ya sa a goge simintin.
• Ƙarfin kwanciyar hankali-girman ƙirar yakamata ya kasance a tsaye yayin aikin gaba ɗaya. A saboda wannan dalili, ƙarancin danshi na resin shima yana da mahimmanci.

A cikin 'yan shekarun nan, DSM Somos na Amurka ya sami nasarar haɓaka sabon nau'in resin Somos 10120 wanda ke warkar da haske, wanda ya cika manyan buƙatun da aka ambata a sama kuma masana'antun simintin saka hannun jari sun fi so. An jefa wannan sabon samfurin a cikin tsirrai iri-iri iri daban-daban a cikin gami uku (aluminium, titanium da cobalt-molybdenum alloy), kuma sun sami sakamako mai gamsarwa.

2. Yi amfani da samfurin SLA don ƙaramin samarwa

Akwai manyan batutuwa guda biyu da za a yi la’akari da su a cikin ƙaramin tsarin samar da simintin gyare -gyare ta amfani da samfuran SLA: ɗayan shine daidaiton girma wanda ƙirar da simintin gyare -gyare za su iya cimmawa, ɗayan kuma shine ko farashin samarwa da lokacin isarwa suna da fa'idodi. Yawancin shuke-shuke da yawa a cikin Amurka, kamar Solidiform, Nu-Cast, PCC, da Uni-Cast, sun yi amfani da tsarin SLA don jefa ɗaruruwan simintin. Bayan auna ƙimar girman simintin, ƙididdigar ƙididdiga ta nuna cewa ana amfani da sabon resin warkar da haske na 11120 wanda DSM Somos ya haɓaka. Tare da fasahar QuickCast, sakamakon SLA yana da girman girman da bai wuce 50% na ƙimar haƙuri ba. Girman yawancin simintin gyare-gyare ya cika buƙatun haƙuri, kuma ƙimar wucewa ta fi 95% (Hoto 12-4) [7].

Kodayake farashin yin ƙirar SLA ya fi na ƙira na kakin zuma iri ɗaya, kuma yana ɗaukar lokaci mai tsawo, amma babu buƙatar ƙira da ƙera ƙirar. Sabili da haka, lokacin da aka samar da yanki ɗaya a cikin ƙananan ƙungiyoyi, ƙimar da lokacin isar da har yanzu Ababen amfani ne. Daɗaɗɗen simintin gyare -gyare, mafi fa'idar wannan fa'idar. Takeauki simintin daidaita madaidaiciyar jirgin sama wanda Nu-Cast ya samar a matsayin misali (Hoto 12-5) [7], farashin yin ƙyallen yana kusan dalar Amurka 85,000, ana yin samfuran kakin zuma 4 a kowace rana, kuma farashin kowane kakin zuma mold (gami da kayan aiki da Aiki) 150 USD. Idan an karɓi hanyar SLA, kowane samfurin SLA yana biyan dalar Amurka 2846, amma babu buƙatar ƙira da ƙera ƙira. Daga wannan lissafin, idan fitarwa bai kai guda 32 ba, farashin amfani da kyallen SLA ya yi ƙasa da na kakin zuma; idan fiye da guda 32, farashin ya fi na kakin zuma (Hoto 12-6); ta amfani da kayan kakin zuma, yana ɗaukar makonni 14-16 don ƙira da ƙera ƙira, Kuma ƙirar SLA baya buƙatar ƙira. Sabili da haka, idan fitarwa bai wuce guda 87 ba, ta amfani da kyallen SLA, isar da simintin ya fi sauri fiye da kakin zuma (Hoto 12-7). Amma fiye da guda 87, ƙirar kakin zuma ta fi sauri [7]. Wani abin da ya kamata a yi la’akari da shi shi ne, idan an yi amfani da kakin zuma, lokacin da aka sabunta samfurin, ana buƙatar sake yin kwandon, wanda yake da tsada; yayin tare da bayyanar SLA, duk abin da ake buƙata shine a canza ƙirar geometric na CAD, wanda ya fi sauƙi da sauri fiye da sake yin ƙira. .

3. SLS sintered polystyrene foda wanda aka yi wa kakin zuma

SLS da farko ta yi amfani da laser don narkar da foda na musamman na kakin zuma a cikin kwandon kakin zuma, wanda ya dace sosai da halayen aiwatar da simintin saka hannun jari. A farkon ƙarshen 1990, akwai fiye da wuraren haƙa 50 a cikin Amurka, suna samar da tsummoki na kakin zuma 3000, kuma sun sami nasarar jefa su. Samar da nau'ikan ƙarfe iri -iri. Koyaya, foda da kakin zuma ba shine mafi kyawun kayan gyara ba. Ƙarfin ƙirar kakin zuma da aka ƙera daga ciki bai isa ba, kuma yana da sauƙi a yi laushi da nakasa lokacin da zafin ya yi yawa, kuma yana da sauƙi a karya lokacin da zafin ya yi ƙasa. Sabili da haka, a farkon shekarun 1990, wasu masu amfani da SLA a Amurka sun yi ƙoƙarin maye gurbin foda da kakin zuma kamar polystyrene (PS) ko polycarbonate (PC). Ana yin irin wannan kayan a cikin sigar sako -sako da siffa (porosity ya fi 25%), wanda ke rage haɗarin kumburi da fasa harsashi yayin rushewa. Bayan an harba harsashi, abun tokar ba shi da yawa, amma yanayin ƙirar yana da kauri. Sabili da haka, bayan an yi ƙirar, yana buƙatar yin kakin zuma da gogewa da hannu don yin farfajiyar ya yi laushi. A halin yanzu, an yi amfani da wannan hanyar sosai a gida da waje.

Da fatan za a adana tushe da adireshin wannan labarin don sake bugawa:Aikace -aikacen Fasahar Fasaha Mai Sauri a cikin Fitar Jarin  

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