Lokacin da mahallin famfo ɗin ku ya fashe a 420 ° C, ko bututun ƙarfe na cobalt ya kasa bayan sa'o'i 380 a cikin sabis na iskar gas, ba ku fuskantar matsalar injin - kuna fuskantar high zafin jiki gami factory iya tazara. Mun sha ganin shi sau da yawa: ƙungiyoyin injiniya suna samo abubuwan AMS 5387 daga tushen tushen gabaɗaya, kawai don gano microsegregation a cikin sassan da aka magance zafi, kwararar hatsi marasa daidaituwa a cikin jabu, ko karkacewar GD&T waɗanda ke shiga cikin leaks na taro. Ayyukan zahirin duniya a ƙarƙashin hawan keke na zafi, babban matsin lamba, da kafofin watsa labarai masu ɓarna baya gafarta ikon sarrafa kayan yanki ko rarrabuwar ikon mallakar tsari.
Me yasa "Maɗaukakin Ƙarfin Ƙarfafawa" Ba Lakabi ba ne kawai - Ƙarfafa Tsari
Ba kowane mai ƙirƙira ƙarfe ya cancanci zama na gaskiya ba high zafin jiki gami factory. Yawancin simintin gyare-gyare na tushen nickel-amma kaɗan ne ke da cikakken iya ganowa daga ƙwararrun takardar billet ta T800 ta hanyar warware warwarewa, jujjuyawar axis da yawa, da tabbataccen saman ƙasa na ƙarshe na CMM. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Mu bi cobalt-nickel gami ba a matsayin m kayan, amma a matsayin tsarin da m masu canji: solidification rate rinjayar carbide rarraba; Machining jerin ƙayyadaddun danniya saura a cikin bakin ciki-ganuwar Silinda gidaje; har ma da kashe matsakaicin zafin jiki yana jujjuya delta tsakanin ASTM A995 Grade CD4MCu da ainihin juriya na lalata a cikin mahalli mai arzikin chloride.
Mun taɓa sake gina gidan famfo famfo piston da ya gaza don rukunin allurar da ke ƙarƙashin Tekun Arewa. Asalin ɓangaren ya yi amfani da janar IN718 amma ba shi da iko mai ƙarfi na jagora. Bita na mu ya gabatar da sanyaya mai sarrafawa yayin simintin saka hannun jari, sannan HIP + shekaru biyu ya biyo baya-da tsawaita rayuwar sabis daga watanni 14 zuwa sama da 42. Wannan ba kawai zaɓin alloy mafi kyau ba ne. Daidaitawar jiyya-machining-zafi ne babu mai siyar da tsari ɗaya da zai iya bayarwa.
Ƙarfin Ƙarfi guda huɗu waɗanda ba za ku iya yin sulhu ba
A dogara high zafin jiki gami factory dole ne ya mallaki waɗannan ginshiƙai guda huɗu-ba fitar da su ba:
- Kula da kayan abu: Haɗin gwiwar fasaha kai tsaye tare da masana'anta, ba kawai sayan oda ba. Muna tabbatar da kowace takardar shedar zafi ta AMS 5387 akan girman hatsin ASTM E112, ASTM E1268 dendrite tazarar hannu, da takamaiman takamaiman bayanan gwajin lalata na intergranular.
- Simintin gyare-gyare-haɗin injin: Tushen ƙarfe da aka yi da yashi suna samun m-machining kafin rage damuwa. Cobalt nozzles na saka hannun jari suna juye juye-juye *bayan* HIP — ba a da ba. Wannan yana hana murdiya wanda ke lalata juriya na matsayi akan sifofin matsayi na gaskiya na 0.015 mm.
- Ƙaddamar da girma: Ba kawai "CMM-cheed." Muna amfani da profilometry na gani akan saman rufewa, ingantacciyar laser tracker don manyan tushe na famfo (har zuwa 2.8 m), da kuma tabbatar da bincike-bincike akan 5-axis CNCs-saboda zazzagewar zafi yayin injin dogon zagayowar sassan T800 mai kauri na iya jujjuya tatsuniyoyi ta hanyar 0.022 mm.
- Tabbatarwa na aiki: Kowane bawul ɗin matsa lamba yana fuskantar gwajin hujja ta hydrostatic a ƙimar ƙimar 1.5 ×, da gwajin leak ɗin helium ta ISO 15848-2. Babu keɓanta "samfurin-kawai".
Ƙimar Ƙirar Rarraba Sourcing
Wasu masu siye sun raba aikin: yin simintin gyare-gyare daga Foundry A, maganin zafi daga Heat Treater B, kammalawa daga Machine Shop C. Amma lokacin da AMS 5387 toshe yana tasowa microcracks kusa da tushen zaren, wanene ya mallaki tushen dalilin? Foundry A ya ce tsarin simintin su ya haɗu da ƙayyadaddun bayanai. Heat Treater B ya tabbatar da sake zagayowar su yayi daidai da takaddar bayanan. Shagon Inji C yana nuna cikakkiyar rajistan ayyukan kayan aiki. A halin yanzu, aikinku yana raguwa makonni shida.
Mun bi diddigin 31 da aka gaza tura kayan aikin zafi a cikin shekaru uku da suka gabata. Kashi 68% ana bibiyar su zuwa gaɓoɓin mu'amala tsakanin matakan tsari-ba lahani na ɗanyen abu ba. Wata matatar mai a kudu maso gabashin Asiya ta ki amincewa da batches 17 na matosai na cobalt alloy saboda ba a riga an yi amfani da saman yashi ba don cire yadudduka da aka lalata kafin maganin zafi. Wannan Layer ya zama wurin ƙulla ƙulle-ƙulle don tsattsage ƙarƙashin nauyin zafin jiki na cyclic. Gudanar da haɗin gwiwa yana kawar da wuraren makafi.
Abin da za ku Buƙata Daga Masana'antar Haɗin Gilashin Zazzabi-A yanzu
Kafin sanya hannu kan NDA, yi waɗannan tambayoyi guda biyar-kuma ku kalli yadda suka amsa:
- "Nuna mana takaddun zafin ku na AMS 5387 na ƙarshe-da kuma daidaitaccen rahoton microstructure na bayan-HIP tare da nazarin ilimin halittar carbide."
- "Ta yaya kuke tabbatar da kwanciyar hankali bayan jiyya na zafi akan sassa tare da> 3: 1 bambancin kauri?"
- "Mene ne madaidaicin izinin shiga tsakani na ku yayin waldawar TIG na kayan aikin cobalt - kuma ta yaya kuke saka idanu akan shi a ainihin lokacin?"
- "Shin za ku iya ba da cikakkiyar ganowa don gidaje famfo piston guda ɗaya - daga ID log ɗin narkewa zuwa rahoton dubawa na ƙarshe?"
- “Mene ne matsakaicin yawan amfanin ku na farko-farko akan madaidaitan geometries da ake buƙata <0.01 mm haƙurin bayanin martaba?
Idan amsoshi ba su da fa'ida, jinkiri, ko buga "ma'aunin masana'antu" ba tare da ambaton takamaiman hanyoyin gwaji ba - tafiya. Madaidaicin ba zai yiwu ba yayin aiki a kashi 70% na wurin narkewa.
Babban aikin gami da zafin jiki yana farawa tun kafin yanke ko zuba na farko. Yana farawa da horo na ƙarfe, wanda aka tilasta shi a duk faɗin simintin gyare-gyare, injina, da ƙarewa-ba a ba da shi a iyakokin sashe ba. QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. ya gina sunansa akan ƙin wannan rarrabuwar. Kayan aikinta na yarda da ISO a cikin Qingdao baya yin ɓangarorin da suka dace da ƙayyadaddun bayanai kawai. Yana ba da kayan aikin da ke tsira daga abin da ƙayyadaddun bayanai ba su kamawa ba: gajiya mai zafi, yashwar barbashi, haɓakar hydrogen, da rashin jurewa buƙatar ƙarancin lokacin da ba a shirya ba. Lokacin da aikace-aikacenku ya matsa sama da 500 ° C, sama da 10,000 psi, sama da daidaitattun zagayowar cancanta - wannan shine lokacin gaskiya. high zafin jiki gami factory ya daina zama na zaɓi.
