Lokacin da injiniyoyi suka bayyana a simintin karfe part, Ba wai kawai suna yin odar siffa ba - suna ƙaddamar da kwanciyar hankali a ƙarƙashin mashaya 300, daidaiton microstructure bayan hawan keken zafi, da ƙarewar saman da ke tsayayya da galling a cikin kwararar ruwa na abrasive. Mun ga ayyuka da yawa sun tsaya tsayin daka a matakin samfuri saboda ba a daidaita juriya na simintin gyare-gyare tare da izinin yin injina na ƙarshe-ko mafi muni, saboda takaddun shaida bai dace da yanayin zafin da ake buƙata don juriya ga gajiya ba.
Me yasa "Kawai Cast" bai isa ba don Aikace-aikacen Mahimmanci
Zubar da sassa na ƙarfe don bawul ɗin ruwa, matsugunan famfo na piston, ko ginshiƙan winch ɗin suna buƙatar fiye da iyawar tushe. Yana buƙatar fahimtar yadda ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ke hulɗa tare da cire hannun jari na CNC, yadda cobalt-nickel alloys ke amsa hannun jari tare da simintin yashi, kuma me yasa AMS 5387 cobalt alloy 6 ke nuna hali daban a cikin bututun bango na bakin ciki tare da matosai mai kauri. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., muna ɗaukar kowane simintin gyare-gyare a matsayin taron ƙarfe-ba canjin lissafi ba. Wannan yana nufin tabbatar da tsarin hatsi ta hanyar macroetch akan kowane zafi, tabbatar da tazarar interdendritic kafin fara aikin injin, da kuma zana taswirar saura danniya a cikin flanges na gidaje na Silinda ta amfani da tsararrun ma'auni.
Mun kalli abokan ciniki suna canza masu kaya bayan gano rashin daidaituwa a cikin simintin gyare-gyare na tushen T800 cobalt-kawai don gano tushen tushen ba shine tushen ba, amma rashin sarrafa zafin jiki yayin walda kayan aikin injin. Tsarin haɗin gwiwarmu yana kawar da wannan rata: simintin gyare-gyare, magani mai zafi, da ƙarewar axis da yawa suna faruwa a ƙarƙashin rufin ɗaya, tare da cikakkiyar ganowa daga ɗanyen takardar shedar kuɗi zuwa rahoton CMM na ƙarshe. Babu handoffs. Babu rarrabuwa. Tarihin zafi da injina guda ɗaya kawai mai sarrafa kowane sashi.
Rukunin Simintin Ɗaukaka Huɗu-Kowane An Ƙirƙiri Don Aiki, Ba Form ba
Ba duk simintin gyare-gyaren da aka yi ba ke aiki da manufa ɗaya ba. Fayil ɗin mu yana nuna yanayin gazawar duniya-da yadda ake hana su:
- Simintin ƙarfeAn yi amfani da shi don tushen famfo inda girgizar girgizar al'amura fiye da ƙarfin tensile - don haka muna haɓaka ƙididdigar nodule na graphite da ƙimar pearlite / ferrite, ba kawai taurin Brinell ba.
- Karfe da bakin karfe simintin gyaran kafa: Don jikin bawul ɗin matsa lamba wanda aka fallasa ga ruwa mai wadataccen chloride - muna tabbatar da ƙimar juriya daidai (PREN) ta ASTM A959, ba kawai rahotannin sunadarai ba.
- Cobalt-nickel gami abubuwan haɗin gwiwa: Ciki har da AMS 5387 cobalt alloy 6 famfo sassa, inda rarraba carbide ke nufin lalacewa rayuwa - muna yin taswirar SEM-EDS akan sassan giciye, ba kawai na gani na gani ba.
- Ƙirƙirar gami da T800 mara kyau: Inda ilimin lissafi ya ƙetare hanyoyin kayan aiki na al'ada-muna haɗa simintin saka hannun jari tare da 5-axis niƙa-juya don riƙe ± 0.015 mm GD&T akan bores coaxial da radial runout a ƙarƙashin 0.02 mm
Wannan ba ka'idar ba ce. Ɗaya daga cikin OEM na Turai ya sake fasalin gidajen silinda na famfo na teku bayan gazawar filin sau uku. Kamfanin nasu na asali yana da juriya mai ƙarfi-amma ya rasa buƙatar tazarar tazarar dendrite na biyu. Mun sake sabunta tsarin gating, mun ƙara abubuwan sarrafawa mai ƙarfi, kuma mun isar da simintin gyare-gyare tare da ingantaccen SDAS ≤ 45 µm. Rayuwar filin ta ƙaru daga watanni 8 zuwa sama da 26.
Inda Mafi yawan Masu Kayayyakin Kayayyakin Suke Yanke Kusurwoyi-Da Yadda Muke Rufe Tazarar
Wasu masana'antun suna ɗaukar odar sashin ƙarfe na simintin a matsayin ma'amalar kayayyaki. Suna karɓar zane-zane, suna faɗin lokacin jagora, da jirgi. Mun fara a baya-tare da ƙungiyar injiniyoyinku.
Lokacin tabbatar da zana, muna tuta kasada mafi yawan mantawa: sauye-sauyen kauri na bango wanda ke kiran tsagewar zafi a cikin gami da cobalt; daftarin kusurwoyi marasa zurfi don cire harsashi yumbu a cikin simintin saka hannun jari; ko GD&T callouts waɗanda ke cin karo da rashin ƙarfi kamar yadda aka jefa (Ra> 6.3 µm don yashi, Ra> 3.2 µm don saka hannun jari). Ba kawai mu ce "yana da wuya a yi ba." Muna ba da shawarar wasu hanyoyi-kamar ƙaura fasalin datum zuwa saman injina, ko ƙayyadadden sanyin wuri don sarrafa raguwa a cikin shugaba mai mahimmanci.
Muna kuma gwada abin da wasu ke ɗauka: ana tabbatar da takaddun shaida na abu mai shigowa akan ainihin binciken zafi ta OES spectroscopy. Kowane kuri'a ana yin gwajin ultrasonic don porosity na ƙasa kafin fara injin. Kuma dubawa na ƙarshe ya haɗa da gwajin aiki-matsi ga jikin bawul zuwa matsa lamba na 1.5 ×, sannan bincika yayyo a 0.05 cc/min kofa.
Zabar Abokin Hulɗa Da Ya dace yana nufin yin Tambayoyi masu dacewa
Kafin ka gama samar da sashin simintin ƙarfe na gaba, tambaya:
- Shin za ku iya nuna mani rahotannin CMM guda uku na ƙarshe don makamancin lissafi-kuma ku haskaka yadda kuka gyara abubuwan rashin haƙuri tsakanin kuri'a?
- Menene ci gaba da gudana mafi tsayi na AMS 5387 ba tare da kin amincewa ba? Menene tushen rashin nasarar farko-kuma ta yaya kuka gyara shi?
- Kuna sarrafa duka simintin gyare-gyare da injina na ƙarshe? Idan ba haka ba, wanene ya tabbatar da haɗin gwiwa tsakanin simintin simintin gyare-gyare da na'ura mai amfani?
- Ta yaya kuke kula da gano abubuwa masu mahimmanci? Shin matakin-wuri ne-ko matakin zafi, tare da cikakkun bayanan tarihin zafi?
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. amsa eh ga duka hudun. Ba kawai mu isar da simintin gyare-gyare ba. Muna isar da kwarin gwiwa-a cikin maimaita juzu'i, daidaiton kayan aiki, da amincin aiki. Domin a cikin tsarin na'ura mai aiki da karfin ruwa, motocin injiniya, da kayan mai & gas, babu wani gefe don "kusa da isa."
Idan na gaba simintin karfe part dole ne a yi aiki a ƙarƙashin matsin lamba, lalacewa, da damuwa na zafi - farawa da ƙarfe, ba talla ba. Fara tare da tabbatar da sarrafa tsari, ba takaddun alkawari ba. Fara inda daidaito ya fara: a cikin mold, narkewa, da aunawa.
