Lokacin da injiniyoyi suka ƙididdige sassa don tsarin na'ura mai aiki da karfin ruwa, famfunan mai, ko manyan taro na winch, ba kawai suna buƙatar ƙarfe ba - suna buƙata. Ayyukan da za a iya faɗi a ƙarƙashin matsa lamba 300+, 500°C bayyanar da lokaci, da kwararar slurry. Shi ya sa ake samo asali daga gaskiya Karfe Processing Machinery Parts masana'anta-ba kantin sayar da aiki na gabaɗaya - ba za a iya sasantawa ba. Mun ga gazawar filin da yawa da aka samo zuwa ɗimbin ɗimbin yawa a cikin cobalt-alloy nozzles ko rashin daidaituwa na ƙananan tsarin a cikin gidajen famfo na AMS 5387. Tushen dalili? Kashe haɗin kai tsakanin kimiyyar abu, sarrafa tsari, da niyyar aiki.
Me yasa "Madaidaici" Bai Isa ba-Yana Game da Mutuncin Aiki
Mafi yawan injina masu kaya don bugawa. Kadan ne ke tabbatar da rashin aiki. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Kowane bawul ɗin matsa lamba yana farawa da nazarin ƙarfe-ba kawai GD&T ba. Lokacin da OEM ta Turai ta aiko mana da zane don abin nadi na tushen tushen cobalt na T800, ƙungiyarmu ta nuna haɗarin iyakar hatsi da aka jefa a cikin yankin jarida mai ɗaukar nauyi. Mun ba da shawarar tsarin haɗaɗɗiyar: simintin saka hannun jari wanda ke biye da madaidaicin CNC juya * da* warware matsalar annealing. Sakamako? 22% tsawon rayuwar sabis a cikin gwajin winch na teku. Wannan ba machining ba ne - masana'anta ce ta sanin ilimin lissafi.
Kullum muna cin karo da kuskure guda uku a cikin siye:
- Zaton "bakin karfe" yana rufe duk buƙatun lalata-316SS ya gaza da sauri a cikin mahallin mai da iskar gas mai arzikin H₂; AMS 5387 cobalt alloy yana riƙe sama.
- Kula da haɗin gwiwar maganin zafi-Machining mai taurin karfe ba tare da rage damuwa ba kafin niƙa na ƙarshe yana haifar da yaƙe-yaƙe a cikin gidajen Silinda.
- Kula da simintin gyare-gyare da injina azaman matakai daban-daban- Tushen famfo mai yashi tare da muryoyin da ba a sarrafa su ba suna haifar da rashin daidaituwar rami-rami a ƙarƙashin keken zafi.
Kayan aikin mu masu yarda da ISO yana gudanar da matakai biyu a ƙarƙashin rufin ɗaya. Wannan yana nufin muna sarrafa rarrabuwar carbon yayin simintin simintin gyare-gyare * da* rama shi a cikin hanyar kayan aikin CNC-babu hannun hannu, babu zato.
Rukunnai Hudu na Ƙirƙirar Sashe Mai Mahimmanci
Ba duk abubuwan haɗin ƙarfe ba ne ke buƙatar daidaito daidai. Amma lokacin da gazawa na nufin raguwar lokacin abin hawa injiniya ko haɗarin aminci a cikin nau'ikan na'ura mai ƙarfi, waɗannan damar guda huɗu sun zama dole:
- CNC Machined Parts: Multi-axis milling da kuma juya na taurare gami (har zuwa 45 HRC) tare da ± 0.005 mm CMM-tabbatar tolerances-mahimmanci ga piston famfo Silinda bores inda ovality>0.012 mm sa hatimi busa.
- Abubuwan da aka haɗa na Cobalt-Nickel Alloy: Sadadden tanderu da kayan aiki don AMS 5387, T800, da matakan tushen cobalt na al'ada. Babu cutarwa ta giciye. Kowane kuri'a da za a iya ganowa zuwa rahoton gwajin niƙa.
- Simintin ƙarfe: Tushen simintin yashi da gidaje tare da ƙididdige nodule na graphite mai sarrafawa - an inganta ta hanyar micrographs ASTM A247 - don hana karaya a cikin firam ɗin winch ɗin da aka ɗora wa girgiza.
- Karfe & Bakin Karfe Castings: Zuba jari-jefa bakin gidaje tare da Ra ≤0.8 μm surface gama-kawar da post-simintin nika da cire m chromium oxide yadudduka.
Misali na ainihi: Wani mai amfani da ruwa na Kudu maso Gabashin Asiya ya ba da umarni 120 na cobalt gami da madaidaicin matosai don fitar da famfunan bututun mai. Wanda suka riga sun yi amfani da 304SS. Leaks ya fara a cikin watanni 18. Mun gudanar da gwajin fesa gishiri akan samfuran AMS 5387 a cikin sa'o'i 5000-sifili. Bayarwa ya haɗa da cikakkun takaddun shaida, rajistan ayyukan zafi, da rahotannin duban 3D da ke nuna daidaituwar kaurin bango tsakanin ± 0.15 mm.
Abin da “Mai Amintacce” Ainihin Ma’anarsa A Aiki
Amincewa ba da'awar tallace-tallace ba ne - dabi'a ce mai iya aunawa a cikin gatura uku:
- Kwanciyar kwanciyar hankali: Muna riƙe ± 0.008 mm akan siffofin 300 mm bayan 72-hour muhalli jiƙa (25 ° C → 80 ° C → 25 ° C), tabbatar da zafin jiki-raba CMM.
- Daidaitaccen ƙarfe na ƙarfe: Raw kayan da aka samo kawai daga ƙwararrun masana'anta; kowane nau'in zafi da aka gwada don abubuwan Co, Cr, Ni, Mo, da C ta ASTM E353.
- Abun gano aiki: Kowane bawul ɗin matsa lamba yana ɗaukar lambar QR mai haɗawa zuwa rikodin bincikensa-takaddar kayan aiki, yanayin zafin zafi, rahoton CMM, bayanan rashin ƙarfi, da sakamako na ƙarshe.
Wasu na iya jayayya cewa injinan gida yana ba da juzu'i cikin sauri. Amma lokacin da abokin cinikin mai na Arewacin Amurka ya buƙaci nozzles 48 AMS 5387 don kwas ɗin sarrafa ruwa na cikin teku, ƙimar su cikin “sauri” na buƙatar makonni 14-kuma an cire ingancin NDT. Mun isar a cikin makonni 9 tare da cikakkun takaddun yarda da Sashe na ASME BPVC Sashe na VIII. Me yasa? Domin tsarin aikin mu na simintin-machining-kammala an tsara shi ne, ba ingantacce ba.
Zaɓan Kamfanonin Samar da Injinan Ƙarfe-Ƙaƙwalwar Ƙarfe-Kallon Ƙarfe
Idan kuna kimanta masu siyarwa don manyan kayan sawa, matsa lamba, ko abubuwan zafi masu zafi, tambayi waɗannan tambayoyin:
- Shin za ku iya nuna mani rahotannin CMM guda uku na ƙarshe don wani sashi mai kama da nawa-tare da ID ɗin albarkatun ƙasa da lambar zafi?
- Kuna yin gwaje-gwajen taurin cikin tsari *bayan* maganin zafi amma *kafin* injin ƙarshe?
- Menene matsakaicin tsayinku mara tallafi don juya alloy T800 a diamita 25 mm - kuma ta yaya kuke tabbatar da daidaito?
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. amsa eh-tare da bayanai-zuwa duka ukun. Ba kawai mu ke yin sassa ba. Muna yin injiniyan maimaitawa cikin kowane gram na ƙarfe. Don manifolds na hydraulic wanda ke tafiyar da awoyi 12,000 ba tare da yabo ba. Don igiyoyin winch waɗanda ke tsira da hawan keke 50,000 a cikin yanayin Arctic. Don gidajen famfo waɗanda ke kiyaye ƙarfin rufewa bayan maimaita yanayin zafi.
Lokaci na gaba da ƙirar ku ta yi kira ga abubuwan haɗin cobalt-nickel, simintin ƙarfe tare da madaidaicin kulawar nodularity, ko sassan ƙarfe da aka yi amfani da su na CNC waɗanda ke buƙatar daidaiton sub-0.01 mm-kada ku daidaita don “mafi kyau.” Neman amincin aiki. Neman cikakken ganowa. Bukatar a Karfe Processing Machinery Parts masana'anta gina don manufa-mahimmancin aiki.
