Lokacin da injiniyoyi suka bayyana gami zuba jari simintin gyaran kafa factory ayyuka don mahimmin bawuloli na hydraulic manufa ko manyan matsugunin famfo, ba kawai siyan sassa bane - suna tabbatar da kwanciyar hankali a ƙarƙashin nauyin 300 MPa, daidaiton microstructural a cikin batches na raka'a 500, da rashin haƙuri ga porosity a cikin musaya na cobalt-nickel. Wannan shine gaskiyar aiki-ba harshen talla ba.
Me yasa AMS 5387 da T800 ke Buƙatar Masana'antar Simintin Jari ta Musamman
Mun jefa fiye da 12,000 AMS 5387 cobalt alloy pump components tun daga 2021. Abin da muka koya da wuri: daidaitattun abubuwan da aka samo asali sun kasa a nan-ba a kan takarda ba, amma a aikace. Superalloys na tushen Cobalt suna raguwa ba tare da tsinkaya ba yayin ƙarfafawa. Ƙarfin zafin su shine rabin na bakin karfe. Kuma taurin su ya karu bayan maganin zafi, yin aikin simintin simintin gyare-gyaren wasan caca ba tare da haɗakar damar CNC ba.
A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Muna ɗaukar simintin saka hannun jari na gami azaman tsarin rufaffiyar madauki-ba hannun hannu ba. Takaddun shaida na albarkatun ƙasa yana farawa tare da rahoton gwajin niƙa wanda ya dace da ASTM A992 da AMS 5718 ƙayyadaddun bayanai. Kayan aikin mu na kakin zuma yana amfani da 5-μm ƙuduri SLA gyare-gyare don riƙe ± 0.05 mm juriya na layi kafin ginin harsashi. Sa'an nan kuma ya zo da muhimmin mataki da aka fi watsi da shi: sarrafa dewaxing a 120 ° C na 4 hours, ba 180 ° C na minti 30 ba. Rush shi, kuma kuna samun ƙananan fasa a cikin harsashi yumbura. Mun ga abokan cinikin Arewacin Amurka guda uku sun ƙi dukan kuri'a saboda wannan karkatacciyar hanya.
Wannan ba ka'idar ba ce. Abin da ya sa mu cobalt gami nozzles tsira 18 watanni a cikin m gas muhallin inda fafatawa a gasa’ sassa a watan 7. Bambanci? Daidaitaccen tsarin hatsi daga madaidaicin sarrafa zafin jiki (1,480°C ± 5°C) da ƙarfi na jagora a cikin tanderun da aka taimaka mata.
Haɗin Kai Tsaye Ba Kalma Bace - Inshorar Girman ku ce
Wasu masana'antu sun jefa. Wasu inji. Kadan ne ke yin duka-kuma kaɗan har yanzu suna aiki tare. Ga abin da ke faruwa idan ba su yi ba: simintin silinda da aka jefa zuwa ± 0.3 mm haƙuri ya isa cell CNC. Machining yana cire 2.5 mm na abu. Saura danniya yana sake rarrabawa. Zagaye na ƙarshe ya zarce bayan kiran GD&T Ø0.02 mm. Adadin datti ya tashi daga 1.2% zuwa 8.7%.
Kayan aikin mu na ISO yana kawar da haɗarin. Kowane simintin ƙarfe ko bakin karfe yana gudana kai tsaye zuwa cikin cibiyar injin mu mai axis 5-babu sarrafa waje, babu hawan keke tsakanin shaguna. Muna amfani da tabbacin CMM a cikin tsari bayan roughing, Semi-karewa, da wucewa ta ƙarshe. Don gidajen famfo na piston, wannan yana nufin auna juzu'in juzu'i na ciki * kafin * hardening, sa'an nan kuma sake duba bayan zafin jiki don tabbatar da murdiya ta tsaya tsakanin 0.015 mm.
Abokan ciniki suna tambaya: "Shin za ku iya riƙe matsayi na gaskiya na zaren 6 × M12 dangane da jirgin datum?" Ee—amma kawai saboda dakin binciken awo na mu yana tabbatar da kowane ƙayyadaddun ƙayyadaddun ƙa'idodin NIST da ake iya ganowa kowane mako. Ba kwata-kwata ba. Ba "kamar yadda ake bukata." mako-mako.
Tabbatar da Duniya ta Gaskiya ta Buga Takaddun Shaida
Takaddun shaida suna da mahimmanci-amma kawai lokacin da aka goyi bayan aiki. Muna kula da cikakkiyar ganowa: lambobi masu yawa da aka rubuta akan kowane filogi na cobalt, rajistan ayyukan zazzabi da aka ɗaure ga kowane rukunin AMS 5387, da rahotannin kwatancen gani da aka adana na shekaru 10. Lokacin da OEM na Turai ya buƙaci tabbacin matakan haɗa kayan da ba na ƙarfe ba a cikin ramukan alloy na T800, mun ja ainihin bayanan bakan-ba takardar taƙaice ba.
Muna kuma magance matsalolin da wasu ke gujewa. Wani abokin ciniki na Kudu maso Gabashin Asiya yana buƙatar madaidaicin shingen cibiyar winch tare da fins masu sanyaya asymmetric da katsewar tsatsa. Daidaitaccen simintin gyare-gyare ba zai iya cika sassan bakin ciki ba. Mun sake fasalin tsarin gating, mun ƙara abubuwan sanya sanyi na gida, kuma mun gudanar da simulation na thermal kafin fara zuba. Sakamako: amincewa da labarin farko a ranar 14-ba kwanakin 45 da aka nakalto a wani wuri ba.
Wannan ba sa'a ba ne. Yana da masanan ƙarfe waɗanda suka yi aikin famfo majalisai don rijiyoyin mai * da * masu shirye-shiryen CNC waɗanda suka ƙera bambance-bambancen cobalt 30+. Suna zaune tare yayin nazarin aikin injiniya - ba a cikin silos ba.
Abin da Ake Samu Daga Wannan Kamfanin Simintin Zuba Jari na Alloy
Kuna samun sassan da ke aiki-ba kawai dacewa ba. Wuraren matsi waɗanda ke rufe a 415 mashaya ba tare da rarrafe ba. Tushen famfo wanda ke datse girgiza a 3,200 RPM ba tare da resonance ba. Cobalt alloy matosai waɗanda ke tsayayya da galling a cikin famfo mai abrasive slurry inda 316 bakin karfe ya kasa cikin kwanaki 90.
Kuna samun tsinkayar isarwa: samfurin lokacin jagorar kwanakin kasuwanci 22, oda matsakaicin matsakaici wanda aka aika cikin makonni 6 - garanti a rubuce. Babu "bisa ga wadatar kayan aiki" jumla. Muna haja AMS 5387, T800, da ASTM A48 Class 35 baƙin ƙarfe a kan shafin.
Kuna samun haɗin gwiwar injiniya - ba oda ba. Muna ba da alamar rikice-rikice na GD&T *kafin* fara kayan aiki. Muna ba da shawarar gyare-gyaren radius wanda ya rage farashin simintin gyare-gyare da kashi 18% ba tare da lalata rayuwar gajiya ba. Muna raba takaddun shaida, ginshiƙan zafin zafi, da rahotannin CMM-ba kawai tambarin “wucewa/ gazawa” ba.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana aiki a tsaka-tsaki na horo na ƙarfe da daidaito na inji. Idan aikace-aikacen ku yana buƙatar maimaitawa a cikin tsarin cobalt-nickel, daidaiton tsari a cikin manyan wuraren sawa, ko aikin aiki - ba kawai yarda ba - to wannan gami zuba jari simintin gyaran kafa factory isar da abin da takamaiman takaddun alkawari, da abin da yanayin filin ke buƙata.
