Simintin yashi mai nauyi ya kasance abin tafiya don aiwatar da sassan masana'antu waɗanda ke buƙatar daidaiton tsari, kwanciyar hankali mai zafi, da ƙimar ƙimar farashi-musamman lokacin da hadaddun geometries suka hadu da yanayin sabis na matsin lamba. Amma ba kowa ba masana'anta simintin nauyi yashi yana ba da daidaitattun daidaiton girman girma, kaddarorin ƙarfe na maimaitawa, ko ƙayyadaddun ƙayyadaddun kayan aikin manufa. Mun ga gidaje da yawa na bawul ɗin da aka ƙi bayan jiyya na zafi saboda ƙarancin ƙarancin da ba a gano ba. Mun cire tushen tushen famfo da aka karkata yayin aikin injin saboda ba a tabbatar da tsayayyen ƙura ba kafin zuba. Kuma mun gano lalacewa da wuri-wuri a cikin winch center shaft rollers baya ga rashin daidaituwa na graphite nodule rarraba - ba kuskuren ma'aikaci ba, amma rabe-raben gano albarkatun albarkatun kasa.
Me yasa Simintin Yashi Har yanzu Ya Yi Nasara don Sassan Masana'antu Masu Ƙarfi
Simintin saka hannun jari ya yi fice don abubuwan haɗin sararin samaniya mai katanga. Die simintin gyare-gyare yana mamaye gidaje masu girma na aluminum. Amma simintin yashi na nauyi yana riƙe da ƙasa ta musamman inda nauyin sashi ya wuce kilogiram 50, kaurin bango ya bambanta fiye da mm 25, kuma zaɓin gami ya haɗa da makin cobalt-nickel mai jurewa kamar AMS 5387 ko T800. Waɗannan ba fa'idodin ka'ida ba ne. A cikin turawa ta zahiri, gidan piston famfo na silinda da aka yi ta hanyar simintin yashi mai nauyi ya sami 32% mafi girman juriya na gajiyar zafi fiye da takwaransa na simintin saka hannun jari-saboda a hankali ƙarfafawa yana haɓaka tazarar hannu na dendritic iri ɗaya kuma yana rage microsegregation a cikin superalloys na tushen. Wannan abin aunawa ne. Wannan abin maimaituwa ne. Wannan shine dalilin da ya sa OEMs abin hawa injiniyoyi ke ƙayyadad da yashi-simintin gyare-gyare a madadin mashinan tsarin winch na kan jirgin da ke aiki a ci gaba da aikin 120°C.
Abin da Ya Rarraba Ma'aikatar Simintin Yashi Mai Dogara Daga Saura
Yawancin wuraren da aka samo asali suna sarrafa abubuwan yashi da danshi. Kadan ne ke sarrafa cikakken sarkar: ƙwararrun albarkatun albarkatun ƙasa, taswirar ƙarfin ƙirƙira, saka idanu na ƙarfe na ƙarfe na gaske yayin zubo, da ingantattun microstructure na bayan-bayan ta hanyar ƙididdigar girman hatsi na ASTM E112. A wurin da ya dace da ISO a cikin Qingdao, kowane nau'i na cobalt alloy nozzles yana farawa tare da takaddun shaida T800 ingot - an tabbatar da abun ciki na C, Cr, Ni, da Si akan rahotannin gwajin niƙa *kafin* narkewa. Muna yin taswirar taurin ƙima a cikin maki 36 a kowane jurewa kuma muna ja ta amfani da masu gwajin sake dawo da calibrated-ba kawai a tsakiya ba, amma a sasanninta inda gradients masu zafi ke haifar da haɓaka mara daidaituwa. Yayin zubawa, muna shigar da zafin ladle kowane sakan 15 kuma muna daidaita shi tare da bayanan thermocouple da ke cikin rami na mold. Babu zato. Babu wani zato na "daidaitacce".
Wannan horo yana ba da riba a cikin yawan amfanin ƙasa-da aiki. Don sassan famfo na AMS 5387, matsakaicin ƙimar yarda da ƙimar mu ta farko yana tsaye a 94.7%, wanda aka auna da kiran GD&T akan zanen ASME Y14.5-2018. Wannan ba sa'a ba ne. Sakamakon haɗa simintin simintin gyare-gyare (ta amfani da MAGMAsoft) tare da ƙirar ƙirar CNC-don haka ba da izinin injina ya daidaita daidai da tsinkayar ƙwaƙƙwaran ɓarna. Abokan ciniki ba sa samun "kamar yadda aka jefa." Suna samun injin yin simintin gyare-gyare a cikin ± 0.05 mm akan mahimman abubuwan rufewa-ba tare da sake yin aiki ba.
Inda Haɓaka Manufacturing Ya Warware Matsaloli na Gaskiya
Wasu suna jayayya cewa simintin yashi ya tsufa. Amma gaskiya tana ba da wani labari na daban: mafi yawan amintattun bawul ɗin matsa lamba a yau suna haɗa jikin simintin yashi tare da hanyoyin kwarara na ciki na CNC da saman wurin zama. Wannan masana'anta ce ta matasan-ba a matsayin buzzword ba, amma a matsayin larura. Jikin bawul ɗin simintin saka hannun jari na ɗaya ɗaya na iya ɗaukar juriya mai ƙarfi, amma yana kasawa a ƙarƙashin matsi na cyclic saboda tsarin sa mai kyau ba shi da tsayayyen simintin yashi mai sanyaya sarrafawa. A halin yanzu, cikakken daidaitattun injin CNC daga mashaya sharar gida 68% na kayan kuma ɗauki 3.2 × tsayi don samarwa.
Mun dinke wannan gibin. Haɗin kai tsaye yana nufin ƙungiyar guda ɗaya wacce ke tabbatar da zanenku don gyare-gyaren kuma tana tsara cibiyar milling 5-axis wacce ta gama aikin gida na tushen famfo ku. Babu handoffs. Babu asarar fassarar. Lokacin da abokin ciniki ya nemi filogi na cobalt wanda ba daidai ba tare da juriyar juriya na 0.02 mm akan fuskar OD na mm 120, ba mu ce "ba zai yiwu ba." Mun daidaita juzu'i na juzu'i, ƙara simintin sanya wuri mai sanyi, kuma mun gudanar da gwaji mai ƙarancin girma tare da haɗaɗɗen gwaji na ultrasonic. Sakamako? Sifili ya ƙi a cikin raka'a 240. Ana bayarwa a cikin kwanaki 18-ba makonni 12 ba.
Zaɓan Masana'antar Simintin Yashin Nauyinku: Takaddun Takaddun Shaida guda uku
Kafin sanya hannu kan NDA ko sakin PO, yi waɗannan tambayoyin-kuma ku nemi shaida:
- Shin za ku iya nuna mani rajistan ayyukan binciken kayan da ke shigowa kwata na ƙarshe don batches AMS 5387-ciki har da tabbatarwa da rahotannin gwaji? Idan sun yi shakka, ku tafi. Binciken gano ba zaɓi ba ne don manyan simintin gyare-gyare.
- Kuna yin gwaje-gwajen girma a cikin tsari akan koren yashi kafin zubawa-ko kawai akan kammala simintin gyaran kafa? Tabbatar da matakin ƙira yana kama ɓarna da wuri. Dogaro da dubawa na ƙarshe kawai yana nufin guntuwa, ba gyara ba.
- Menene tsarin da aka rubuta don tabbatar da daidaituwar ƙayyadaddun ƙayyadaddun tsari a cikin ɓangaren kauri 400 mm? Matsayin ASTM E3 yana buƙatar mafi ƙarancin filayen 3 kowane samfurin. Duk wani abu da ya rage ya rasa bandeji ko rabuwar carbide.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana gina daidaitattun sassan ƙarfe-ba kawai simintin gyare-gyare ba. Kowane bawul ɗin matsa lamba, kowane gidan silinda, kowane bututun ƙarfe na cobalt yana farawa da niyyar ƙarfe kuma yana ƙarewa tare da ingantaccen aiki. Ba mu fitar da inganci ba. Muna injiniyan shi cikin tsari - daga zaɓin hatsin yashi zuwa rahoton CMM na ƙarshe. Kamar yadda buƙatun duniya ke haɓaka don ɗorewa, manyan abubuwan masana'antu na gami, dama masana'anta simintin nauyi yashi ba zai hadu da ƙayyadaddun bayanai ba. Zai yi tsammanin yanayin gazawa, sauƙaƙe sarkar samar da kayan aiki, da isar da sassan da ke yin zagayowar bayan zagayowar, shekara bayan shekara.
