Lokacin da yawancin mutane suka ji OEM simintin gyare-gyare, suna tunanin ma'amala mai sauƙi: kuna aika zane, suna mayar da sassa. Wannan shine babban kuskure. Gaskiyar ita ce, yin shawarwari ne-ba akan farashi ba, amma akan ilimin kimiyyar lissafi, halayen kayan abu, da kuma ruɗewar gaskiyar juya ƙirar 3D zuwa ƙaƙƙarfan yanki mai aiki. Na ga ayyuka da yawa sun tsaya tsayin daka saboda mai siye ya mayar da hankali kawai akan jigo na ƙarshe, yana ɗaukar tsarin yin simintin a matsayin akwatin baki. Gaskiyar ita ce, idan ba kuna magana game da ƙirar gating ba, raguwar thermal, ko bambanci tsakanin harsashi yumbu da ƙirar yashi a gaba, kuna kawai zato.
Gidauniyar: Duk Game da Zabin Tsari ne
Ba kawai za ku zaɓi tsarin yin simintin ba. Yana zaɓe ku, bisa aikin sashin ku. Mun koyi wannan hanya mai wuya tun da wuri. Abokin ciniki ya dage kan yin amfani da gyare-gyaren harsashi don hadadden kayan bakin bakin bakin bakin bango saboda sun ga yana aiki da sassauƙa. Sakamakon? Cire sanyi mai jujjuyawa da ƙimar tarkace mara karɓuwa. Geometry kawai ba zai iya ɗaukar saurin sanyayawa na tsarin ƙirar harsashi ba. Dole ne mu matsa zuwa simintin saka hannun jari, inda tsarin tukwane-karami-harsashi da sanyaya mai sarrafawa ya ba mu amincin da muke buƙata. Wannan shine kiran hukunci na farko: daidaita tsarin da ruhin sashin, ba kawai silhouette ɗin sa ba.
Wannan shine inda abokin tarayya tare da babban fayil ɗin tsari ke da kima. Dubi kamfani kamar Qingdao Qiangsenyuan Technology Co., Ltd.(QSY). Tare da fiye da shekaru talatin a cikin wasan, ba a haɗa su da hanya ɗaya ba. Kewayon su-daga harsashi zuwa simintin saka hannun jari-yana nufin za su iya ba da shawarar bisa ainihin buƙata. Na tuna sake duba tsarin su don jerin jikunan bawul. Don babban girma, ƙananan sassa na ductile baƙin ƙarfe, sun tura don gyare-gyaren harsashi-ƙarin ƙarewa, kyakkyawan haƙuri, farashi mai tasiri a sikelin. Ga masu mahimmanci, masu jure lalatawa a cikin gami na musamman, saka hannun jari ne ke jefawa gabaɗaya. Wannan aiki mai amfani, sassaucin ra'ayi shine abin da ke raba abokin haɗin gwiwar masana'antu na gaske daga shagon aiki.
Zaɓin kayan abu shine Layer na gaba. Bakin karfe ba abu bane; iyali ne. Bakin 304 ya bambanta sosai a cikin ƙirar fiye da 316, kuma kar ma in fara farawa akan halayen zub da wani abu kamar gami na tushen nickel. Alloy yana ba da ma'auni na tsari gwargwadon yadda siffar ke yi. Ba za ku iya kawai musanya su akan zane ba kuma kuyi tsammanin sakamako iri ɗaya.
Iblis a cikin Cikakkun bayanai: DFM da Zane mara canzawa
Zane don Ƙirƙirar Samfura (DFM) shine mafi mahimmanci, duk da haka mafi yawan gaggawa, lokaci. Na zauna a cikin tarurruka marasa iyaka inda injiniyan injiniya ke kare kusurwar ciki mai kaifi ko kauri mara kyau saboda abin da simintin ya inganta ke nan. Amma simulation baya zuba narkakkar karfe. Wannan kusurwa mai kaifi ya zama wurin tattara damuwa yayin ƙarfafawa, tabbataccen mafarin fashewa. Mai kyau OEM simintin gyare-gyare abokin tarayya zai tura baya. Za su ba da shawarar radis, ba da shawarar kusurwoyi masu kama da kima akan allo amma sun zama dole don cire ƙirar, da tambayar ƙimar kaurin bango.
Misali mai amfani: muna da shinge don injin aikin gona. Zane na asali yana da kyakkyawan tsarin haƙarƙari mai nauyi mai nauyi. Yayi kama da kamala. Samfurori na farko daga tushe, daga wanda aka sani a wancan, sun nuna murdiya da hawaye masu zafi tare da haƙarƙari. Batun? Haƙarƙarin ya haifar da keɓantattun wurare masu zafi waɗanda suka yi sanyi na ƙarshe, suna ja da yayyaga abubuwan da ke kewaye. Maganin ba shine canza gawa ko tsari ba, amma don ɗan canza yanayin haƙarƙarin haƙarƙari - ɗora su, ƙara ƙaramin taimako - don haɓaka ƙarin sanyaya. Ya kara nauyi mara nauyi amma ya ajiye bangaren. Wannan shine nau'in ɓacin rai, DFM mai amfani wanda ke faruwa kafin a yi tsari ɗaya.
Wannan shine matakin da nuna gaskiya daga ƙungiyar injiniyoyin mai kawo ku ya zama zinari. Kuna son ganin binciken tsarin tafiyar da su, shawarwarin gating ɗin su da kuma shimfidar wurare masu tasowa. Idan ba su samar da hakan ba, ko kuma idan kawai sun karɓi zanenku ba tare da sharhi ba, ku yi hankali sosai. Wataƙila suna shirin yin cajin ku don sake yin kayan aiki da babu makawa daga baya.
Machining: Abokin Hulɗa da Ba Ya Rabawa
Babu simintin gyare-gyaren da gaske. Duk wanda ya yi alƙawarin cewa ga wani madaidaicin sashi ya mamaye. A koyaushe za a sami mu'amala mai mahimmanci - filayen rufewa, ramukan kulle, kujeru masu ɗaukar nauyi - waɗanda ke buƙatar injina. Wannan shine dalilin da ya sa haɗakar simintin gyare-gyare da machining a ƙarƙashin rufin ɗaya, ko aƙalla a ƙarƙashin tsarin gudanar da ayyukan haɗin gwiwar, ba za a iya sasantawa ba don mai tsanani. OEM simintin gyare-gyare aiki. Dole ne a kafa tsarin datum don mashin ɗin yayin lokacin ƙirar simintin gyare-gyare.
Na shaidi hargitsin da aka yi na yin simintin gyare-gyare a wani wurin da kuma injiniyoyi a wani. Mashin ɗin zai kashe rabin lokacinsa yana ƙoƙarin nemo madaidaicin datum akan ɓangaren simintin simintin, sau da yawa ya zama dole ya ɗauki zurfin farko da ya wuce kima kawai don tsaftace saman, wanda ke watsar da duk wani girma na gaba da ɓarna kayan. Lokacin da aka daidaita simintin gyare-gyare da machining, kamar a QSY inda suke ba da haɗin gwiwar CNC machining, za a iya tsara tsarin tare da machining lugs ko takamaiman fasalin datum da aka jefa a ciki. An haɓaka shirin CNC tare da bambance-bambancen da aka sa ran a hankali. Yana juya yuwuwar ciwon kai zuwa madaidaicin kwarara.
Zaɓin dabarun mashin ɗin kuma ya dogara da simintin gyare-gyare. Simintin gyare-gyaren harsashi na iya samun ƙarancin haja don cirewa amma mafi girman ma'auni. Yin simintin saka hannun jari na iya samun daidaiton alawus ɗin hannun jari amma an yi shi da ɗanɗano, mai tauri-zuwa na'ura. Ƙungiyar mashin ɗin tana buƙatar sanin abin da ke zuwa daga ginin ginin.
Abubuwan Sirri da Gamble na Musamman na Alloys
Yin aiki tare da daidaitaccen simintin ƙarfe ko ƙarfe na carbon abu ɗaya ne. Haɓaka zuwa cikin abubuwan haɗin gwiwar cobalt ko na tushen nickel wata ƙungiya ce ta daban. Ba kawai game da mafi girma narke maki. Wadannan allunan suna da mummunan ruwa, suna da haɗari ga micro-porosity, kuma suna da rashin hankali tare da oxygen. Mizanin yashi na silica ɗinku ba zai yanke shi ba; kana bukatar na musamman refractories. Dole ne a tsara tsarin gating don rage tashin hankali a kowane farashi - tashin hankali yana haifar da haɗakar da iskar oxide, wanda ya zama maki gazawa a ƙarƙashin babban zafin jiki ko damuwa.
Mun taɓa ƙoƙarin gudu na nozzles a cikin cobalt gami da ma'adanin da ke da kyau da ƙarfe. Sun dauke shi kamar wani aiki. Narke ya yi kyau, amma simintin gyare-gyaren ya gaza gwada gwajin matsi da ban mamaki. Sakamakon mutuwar ya bayyana hanyar sadarwar micro-shrinkage da fina-finai oxide. The foundry hadn't used enough exothermic risers to feed the massive solidification shrinkage, and their pouring practice introduced too much turbulence. Asara ce gaba ɗaya. Wannan shine dalilin da ya sa kuke buƙatar abokin tarayya wanda ƙwarewar kayansa ta fito fili. Ganin cewa QSY yana lissafin abubuwan gami na musamman kamar waɗannan kai tsaye akan rukunin yanar gizon su (https://www.tsingtaocnc.com) alama ce da wataƙila sun gina ƙayyadaddun abubuwan more rayuwa da ilimi - daga sarrafa ƙarfe zuwa injiniyan ƙira - don sarrafa shi.
Hanyar takaddun shaida na waɗannan kayan kuma yana da mahimmanci. Ba kawai kuna siyan siffa ba; kana siyan kayan tarihi. Za su iya ba da rahotanni narke? Jadawalin maganin zafi? Gwajin gwajin injina daga zafi ɗaya? In ba haka ba, ba za ku iya amfani da ɓangaren a cikin kowane aikace-aikacen mai mahimmanci ba.
Dogon Wasan: Tsare-tsare da Binciken Kasawa
Ainihin gwajin wani OEM simintin gyare-gyare mai kawo kaya ba shine labarin farko ba. Shi ne na 10,000. Za su iya riƙe band ɗin haƙuri? Shin microstructure ya kasance daidai daga tsari zuwa tsari? Shin kayan aikin injiniya na aikin samarwa na biyar sun dace da na farko? Wannan shine inda tsarin sarrafa tsari da al'adun rubuce-rubuce ke da mahimmanci fiye da sabuwar tanderu.
Ina daraja masu samar da kayayyaki waɗanda za su iya magana game da sarrafa tsarin ƙididdiga (SPC) akan ma'auni masu mahimmanci, yashi ko slurry na yau da kullun, da zafin wutar tanderu. Abu ne mai ban sha'awa, amma shine abin da ke hana halin da ake ciki shekaru biyu a cikin shirin. Aboki nagari kuma zai sami ƙa'idar nazarin gazawar madaidaici. Lokacin da wani bangare ya gaza a gwajin filin, yakamata su sami damar haɗin gwiwa akan binciken bincike-bincike saman karaya a ƙarƙashin na'urar hangen nesa, bincika tazarar hannu dendrite, neman rarrabuwa. Ba game da sanya laifi ba; game da warware wuyar warwarewar jiki ne.
Wannan daidaito na dogon lokaci shine abin da ke juya mai siyarwa zuwa abokin tarayya mai mahimmanci. Bambanci ne tsakanin duba kowane jigilar kaya akai-akai da samun damar motsawa zuwa samfurin jirgi-zuwa-hannu. An gina wannan amana a kan ginshiƙi na gaskiya, ƙaƙƙarfan ilimin masana'anta, ba akan ƙasidu masu haske ba. Yana da game da sanin cewa mutanen da ke gefen imel ɗin suna da maiko a ƙarƙashin farcensu da kuma kwarewa a idanunsu don ganin matsalar kafin ta zama rikici. Wannan shine ainihin abin da kuke samowa a cikin simintin OEM.
