Lokacin da injiniyoyi suka ƙididdige simintin yashi don sassa na ƙarfe masu inganci, ba kawai zaɓin tsari bane-suna yin alƙawarin tabbatar da daidaiton girma, daidaiton ƙananan ƙananan sassa, da amincin aiki a ƙarƙashin damuwa na ainihi. Don haka"Ma'aikatar Yashi Simintin gyaran kafa” ba jargon talla ba ne. Ƙofar fasaha ce ƴan wuraren da aka gano suna saduwa-musamman lokacin da ake sarrafa abubuwan haɗin gwiwar cobalt-nickel, abubuwan AMS 5387, ko gidajen famfo marasa daidaituwa waɗanda ke aiki a mashaya 350 da 220°C.
Me yasa Daidaitaccen Simintin Yashi Ya Fasa Inda Madaidaicin Buƙatun Nasara
Mun gan shi akai-akai: abokan ciniki suna karɓar simintin ± 0.8 mm haƙuri akan ɓacin rai mai mahimmanci-kawai don gano ɓarnawar gidaje na Silinda a lokacin jiyya na zafi, ko kujerar bawul ta gaza gwajin matsa lamba saboda ƙayyadaddun porosity kusa da yankin gating. Simintin yashi na al'ada ya dogara da lalacewa na ƙirar ƙira, bambancin ƙwanƙwasa hannu, da tsarin ɗaure nau'i. Daidaitaccen simintin yashi yana maye gurbin waɗancan masu canji tare da rarraba hatsin silica mai sarrafawa, madaidaitan madaidaicin guduro, da sa ido kan zafin jiki na ainihin lokacin. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., kowane yashi mold pre-zuba X-ray yawa taswira-kuma kawai molds wuce ASTM E94 Level 2 radiographic ka'idojin yarda da zube.
Wannan horo yana da mahimmanci tare da manyan kayan gami. T800 na tushen Cobalt da AMS 5387 sun narke a 1,380°C. Ƙunƙarar zafin su shine 37% sama da ƙarfe mai launin toka. Madaidaicin koren-yashi mold yana fashe a ƙarƙashin wannan raguwar. Madaidaicin tsarin simintin yashi ɗinmu yana amfani da siliki mai rufin yumbu tare da ingantattun hanyoyin huɗa da ƙirar ƙira mai ƙarfi - an tabbatar da shi a cikin kowane samarwa ta amfani da simintin thermal MAGMASOFT®.
Ginshikai Hudu na Madaidaicin Gaskiya-Ba Kawai Haƙuri Ba
Haƙuri mai ƙarfi kaɗai ba ya ayyana daidaito. Su ne alamar - ba dalili ba. Abin da a zahiri ke ba da daidaito mai maimaitawa a cikin batches shine haɗin kai:
- Abubuwan gano abubuwan da aka gasa cikin alamar ƙira: Kowane tsari yana ɗaukar cikakkun rahotannin gwajin niƙa, haɗin lambar zafi, da rajistan ayyukan bincike-babu keɓantacce, har ma da samfura.
- In-aiki metrology kafin machining: Muna duba simintin simintin simintin gyare-gyare ta amfani da Zeiss DuraMax CMMs-ba kawai sassan ƙarshe ba. Idan gidan famfo na piston ya nuna karkacewar 0.12 mm a cikin injina mai da hankali, muna daidaita madaidaicin matsayi - ba share sashin ba.
- Ƙirƙirar kayan aikin simintin gyare-gyare a cikin tsari: Injiniyoyin mu suna tsara tsarin gating tare da hanyoyin CNC a hankali. Wannan yana nufin masu tashi da aka sanya a inda ba za su tsoma baki tare da saitin daidaitawar axis 5-da kuma daftarin kusurwoyi da aka inganta don ingantaccen shakeout da kammala aikin injin-baya.
- Tabbatar da aiki kafin kaya: Kowane simintin bawul ɗin matsa lamba yana fuskantar gwajin leak ɗin helium a matsin aiki na 1.5 ×. Kowane winch center shaft roller yana gudanar da gwaje-gwajen ma'auni a 3,200 RPM.
Inda Madaidaicin Yashi Simintin gyare-gyare Ya Haɗu da Halayen gazawar Masana'antu na gaske
Wasu na iya jayayya cewa simintin saka hannun jari yana ba da mafi kyawun ƙarewa don haɗaɗɗun geometry. Amma ga sassa kamar na'ura mai aiki da karfin ruwa Silinda gidaje ko mai & gas famfo tushe-inda kauri bango ya wuce 45 mm da ciki sanyaya tashoshi na bukatar ingantacciyar kwatance-sanda yashi nasara. Me yasa? Saboda zuba jarin simintin gyare-gyaren bawo suna fashe a ƙarƙashin girgizar zafi daga zubewar yanki mai kauri. Madaidaicin yashi gyare-gyaren mu yana ɗaukar wannan makamashi. Mun isar da simintin karfe 120-kg tare da kamar yadda aka jefa Rautar ƙasa Ra ≤ 6.3 µm—tabbatar ta Mitutoyo SJ-410 profilometers-ba bayan niƙa ba.
Babban nasara ya ta'allaka ne ga sarrafa farashi don matsakaicin matsakaicin matsakaicin gudu. Abokin ciniki a Jamus yana buƙatar raka'a 420 / shekara na AMS 5387 nozzles. An nakalto simintin saka hannun jari $2,180/raka'a. Madaidaicin yashin mu na simintin simintin simintin gyare-gyare - ta amfani da muryoyin da aka lullube harsashi da taron gyare-gyare na atomatik - ya sauka a $1,340/raka'a. Babu sasantawa akan ƙarfin tensile (≥1,120 MPa) ko juriya na lalatawar intergranular ta ASTM G28A.
Abin da Ake Samu Lokacin da kuke Abokin Hulɗa da Masana'antar Simintin Yashi ta Gaskiya
Kuna samun bita na injiniya - ba wai kawai magana ba. Lokacin da OEM famfo na Arewacin Amurka ya aiko mana da GD & T callouts don sabon gidan piston famfo Silinda, ƙungiyarmu ta ba da alama batutuwa masu yuwuwa guda biyu: na farko, ƙayyadaddun haƙurin matsayi na gaskiya akan tashar tashar diamita 12-mm ya fi ƙarfi fiye da abin da za a iya samu tare da rigidity na yanzu na ainihin fil; na biyu, abin da ake buƙata na ƙarewar saman akan fin canja wurin zafi na ciki ya ci karo da kusurwoyin saki da ake buƙata. Mun ba da shawarar madadin tsarin bayanai da kusurwoyi da aka yi bita - rage ƙima daga 18% zuwa ainihin 0.7% sama da kuri'a na samarwa 14.
Kuna samun tabbacin isarwa-ba ƙididdigewa ba. Gudun aikin mu na leƙen asiri ya haɗa da tsara shirye-shiryen kyauta don ayyuka masu mahimmanci: ƙarfin ɗaki, lokacin zagayowar tanderu, da ramukan dubawa na CMM duk an ƙirƙira su a cikin ainihin lokaci. Don odar samfuri, ana kayyade lokacin jagorar a cikin kwanaki 28 - babu "ya danganta da wadatar kayan." Don samarwa, muna ba da garantin ± 2 kwanakin kalanda akan jigilar kayayyaki-har ma tare da jinkirin takaddun shaida.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana aiki kamar a Ma'aikatar Yashi Simintin gyaran kafa saboda daidaito shine yadda muke auna nasara - ba kayan aiki ba. Yana cikin maimaitawa na 0.008 mm na ainihin tsarin saka akwatin mu. A cikin dakin gwaje-gwaje na ISO 17025 wanda aka yarda da shi yana tabbatar da kowane zafin carbon daidai kafin zuba. A zahirin cewa 91% na mu cobalt gami da simintin gyare-gyaren jirgi ba tare da sake yin aiki ba - duk da aiki a ƙarshen yuwuwar ƙarfe.
Duba gaba: iyaka na gaba ba shine mafi ƙarancin haƙuri ba. Matakan matakai ne-kamar simintin gyare-gyaren yashi na kusa-net tare da kayan aikin injuna da aka gina kai tsaye a cikin kogon ƙura. A nan ne madaidaicin simintin gyaran kafa ya daina zama matakin masana'anta-kuma ya zama wani ɓangare na sashin DNA na aikin.
