Kowace masana'antar simintin ƙarfe tana farawa da wannan tambaya: Ta yaya za ku juyar da narkakkar ƙarfe zuwa wani ɓangaren da ba zai fashe a ƙarƙashin 300 na matsa lamba na hydraulic ba-ko tsira sa'o'i 10,000 a cikin sabis na iskar gas? A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Mun jefa da machined a kan 12,000 matsa lamba bawuloli, piston famfo gidaje, da cobalt-alloy nozzles tun 2015. Mun ga yashi molds kasa a 1,150 ° C zuba zafin jiki. Mun soke kashi 47% na tsarin AMS 5387 bayan nazarin microstructure ya bayyana rarrabuwar kawuna. Waɗannan ba shari'o'in littattafai ba ne - yanke shawara ne na yau da kullun waɗanda ke ayyana abubuwan tushen karfe simintin factory ayyuka.
Mutuncin Abu Ba a Zaton-An Tabbatar da shi
Ba za ku iya jefa sassa masu inganci daga "bakin ƙarfe na gama-gari." A wurin aikinmu na Qingdao, kowane zafi na T800 cobalt na tushen gami yana zuwa tare da cikakkun rahotannin gwajin niƙa-kuma muna gwada abubuwan carbon, chromium, da tungsten kafin narkewa. Me yasa? Domin karkacewar 0.03% a cikin abun ciki na cobalt yana jujjuya zafin jiki mai ƙarfi da 12°C. Wannan yana canza ƙima mai sanyaya rates. Wannan yana shafar girman hatsi. Wannan yana daidaita rayuwar gajiya a cikin winch center shaft rollers. Muna amfani da OES (Optical Emission Spectrometry) akan sanduna masu shigowa da kuma tabbatar da ASTM A957 don simintin saka hannun jari, ASTM A159 don baƙin ƙarfe mai launin toka, da AMS 2269 don kayan haɗin cobalt-nickel. Babu ware. Babu "aminci sai dai tabbatar" - muna tabbatarwa da farko, sannan mu jefa.
Zaɓin Tsarin Simintin Ɗaukaka Yana Ƙarfafa Ƙarfin Sashe
Yin simintin yashi yana ɗaukar manyan harsashin famfo har zuwa kilogiram 1,800-amma yana buƙatar tsauraran kulawar ɗaure don guje wa lahani a cikin gidajen silinda mai bakin bango. Simintin saka hannun jari yana isar da ± 0.05 mm maimaita maimaitawa don AMS 5387 cobalt gami matosai-amma yana buƙatar daidaitattun fa'idodin faɗaɗa kakin zuma. Ba ma ɗaukar tsari ɗaya kuma mu tilasta-daidaita dukkan sassa. Madadin haka, muna taswirar kowane sashi akan ma'auni uku: rabon kauri na bango, buƙatun ƙarewar saman (Ra ≤ 1.6 µm vs. Ra ≤ 6.3 µm), da hanyar ɗaukar nauyi. Misali, jikin bawul ɗin matsa lamba na ruwa yana amfani da simintin yashi don harsashinsa na waje-amma magudanar ruwa na ciki sune simintin simintin gyare-gyare na CNC don ɗaukar haƙurin GD&T fiye da ±0.025 mm. Wannan tsarin haɗakarwa ba na zaɓi ba ne. Yana da yadda kuke saduwa da ƙayyadaddun ƙayyadaddun tsabta na ISO 8502-3 * da * ƙimar matsa lamba ASME B16.34.
Ƙarfafa Girma yana farawa Kafin a Zuba Mold
Mun taɓa karɓar zane don gidan famfo na piston tare da ɓangarorin 12 masu mahimmanci - duk an ƙayyade zuwa ± 0.015 mm. Abokin ciniki yana tsammanin yin simintin gyare-gyare na simintin gyare-gyare. Amma ƙanƙanwar thermal a cikin ductile baƙin ƙarfe ya bambanta da kauri sashi. bangon 45-mm yana raguwa 0.28% fiye da hakarkarin-mm 22. Don haka mun gina ba da izini a cikin kayan aikin ƙirar - ba kamar ƙayyadaddun gyara ba, amma azaman madaidaicin madaidaicin ɗaure zuwa lokacin ƙarfafa gida (ƙididdige ta hanyar simintin MAGMAsoft). Sannan mun tabbatar da halayen raguwa tare da simintin gwajin hadaya, wanda aka auna akan Zeiss PRISMO CMM. Sai kawai muka amince da aikin samarwa. Wannan shine dalilin da ya sa binciken mu na cikin aiki ya haɗa da ma'aunin daidaitawa 100% a matakai uku: simintin simintin gyare-gyare, bayan sauƙaƙe damuwa, da kuma bayan-machining. Abun ganowa ba rahoto ba ne—lambar siriyal ce mai ɗauke da Laser mai haɗa kowane sashe zuwa guntun narkakken sa, yanayin maganin zafi, da rahoton CMM na ƙarshe.
Ana Gina Ingancin Ingancin A cikin Kowane Matakin Gudun Aiki
Wasu masana'antu suna ɗaukar QC azaman kofa a ƙarshe. Mun shigar da shi inda gazawar ta faru: rasidin albarkatun kasa, hada gyare-gyare, saka idanu da zafin jiki, lokacin girgizawa, da duban zafin zafin magani. Sufetocin mu suna amfani da bindigogin PMI masu ɗaukuwa don tabbatar da matakin alloy kafin yin simintin gyare-gyare—da gwajin ultrasonic (ASTM E114) akan kowane simintin ƙarfe mai kauri sama da 75 mm. Don abubuwan haɗin cobalt-nickel, muna ƙara duba mai shiga tsakani (ASTM E1417) saboda ƙananan fashe suna ɓoye a cikin iyakokin dendritic. Kuma a-muna adana duk bayanan a lambobi don shekaru 15. Ba don ma'auni ya faɗi haka ba, amma saboda lokacin da OEM na Turai ya gano gazawar filin zuwa rukuni guda na AMS 5387, mun ja cikakken tarihin dubawa a cikin daƙiƙa 83. Babu zato. Babu jinkiri.
The tushen karfe simintin factory Nasarar ta gangara zuwa abubuwa uku waɗanda ba za a iya sasantawa ba: horo na ƙarfe, ƙayyadaddun hangen nesa na tsari, da ƙaƙƙarfan bincike da aka gasa cikin tafiyar aiki-ba a rufe a ƙarshe ba. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., waɗancan ginshiƙan ba ka'ida bane. Su ne yadda muke isar da bawul ɗin matsa lamba waɗanda ke aiki a 450 ° C ba tare da ɗigo ba, gidajen famfo waɗanda ke kula da hankali bayan zagayowar miliyan 2, da nozzles na cobalt waɗanda ke tsayayya da yashwa a cikin famfunan slurry. Yayin da hadaddun kayan aikin simintin simintin gyare-gyare na haɓaka-kuma ma'aunai kamar NORSOK M-650 da API 6A suna ƙara ƙarfi-tushen ba sa canzawa. Suna buƙatar zurfin kisa kawai. Wannan shine inda gwaninta ya hadu da aikin injiniya.
