Lokacin da injiniyoyi suka bayyana a rasa kakin zuma simintin sassa factory, Ba wai kawai suna yin odar karfe ba - suna buƙatar kwanciyar hankali a ƙarƙashin matsin lamba 300 MPa, amincin microstructure bayan hawan keke, da ƙarewar saman da ke tsira daga kwararar slurry don 12,000+ hours aiki. Wannan shine tushen-ba banda ba.
Mun ga ayyuka da yawa sun gaza a tsaka-tsakin ƙirar simintin gyare-gyare da aikin aiki. Cobalt alloy bututun ƙarfe yana fashe yayin gwajin girgiza zafi. Piston famfo Silinda mahalli yana yawo bayan nitriding. Wani abin nadi na cibiyar winch yana nuna lalacewa da wuri duk da haɗuwa da ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙima. Waɗannan ba gazawar kayan abu ba ne. Suna aiwatar da ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun kayan aiki-inda ba a biya diyya ga raguwar simintin gyaran gyare-gyare a cikin injina, inda hanyar kwararar hatsi ta saba wa hanyoyin lodi, ko kuma inda dubawa ya tsaya a girma kuma ya yi watsi da gano ƙarfe.
Me yasa zaɓin masana'anta na simintin kakin zuma ya ɓace yana farawa da halayen gami-ba kawai lissafi ba
Simintin kakin zuma da aka rasa (simintin saka hannun jari) ya yi fice ga hadaddun abubuwa masu siffa-kusa-amma kawai lokacin da masana'anta ke ɗaukar ƙarfe a matsayin injiniyanci, ba masana'anta ba. Ɗauki AMS 5387 cobalt gami: babban chromium da abun ciki na tungsten yana ba da juriya na lalata, amma kuma matsananciyar ƙarfin aiki. Shagon da ke sarrafa shi kamar bakin karfe 304 zai ƙona kayan aiki, ya ɓata sassa, kuma ya bar lalacewar ƙasa wanda ke fara faɗuwar gajiya.
A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., kowane nau'in cobalt-nickel yana farawa da takaddun shaida na T800 gami da maroki-ba nau'ikan billet na ''CoCr'' ba. Takaddun shaida na kayan albarkatu sun haɗa da cikakken bincike na yanayi, tabbatar da girman hatsi a kowane ASTM E112, da bayanan matakin tensile. Ba mu yarda da rahoton gwajin niƙa - muna tabbatar da su. Sanduna masu shigowa suna sha gwajin ultrasonic don katsewar ciki kafin taron gyare-gyaren saka hannun jari har ma ya fara.
Wannan horo yana raba iyawar gaskiya da da'awar ƙasida. Za ku sami masana'antu suna ambaton "AMS 5387 yarda" yayin amfani da kayan abinci mara ƙayyadaddun bayanai ko tsallake maganin warware matsalar. Sakamakon hakikanin duniya? Ɗaya daga cikin OEM na'ura mai aiki da karfin ruwa na Arewacin Amurka ya ba da rahoton kashi 22% na gazawar filin akan gidajen famfo har sai an canza zuwa abokin tarayya wanda ya aiwatar da ka'idojin kula da zafi da aka riga aka yi-da kuma rubuta kowane lokaci mai zafi, ramp, da kuma karatun yanayin tanderu.
Haɗin kai tsaye ba game da dacewa ba ne - game da sarrafa mu'amala mai mahimmanci
Yawancin masana'antun "shago guda ɗaya" suna ba da kayan aikin injiniya. Yawancin shagunan CNC sun ƙi yin simintin gyare-gyare tare da daftarin mm 0.5 ko kaurin bango mara daidaituwa. Rata tsakanin simintin gyare-gyare da ɓangaren ƙarshe shine inda daidaito ya mutu.
QINGDAO QIANGSENYUAN yana aiki da layukan simintin saka hannun jari da kuma sel CNC da yawa a ƙarƙashin rufin da aka tabbatar da ISO 9001. Wannan yana nufin injiniya ɗaya wanda ya tabbatar da zanen GD&T ɗinku shima yana tsara injin niƙa 5-axis wanda ya ƙare wurin zama na bawul-kuma yana daidaita hanyoyin kayan aiki bisa ainihin bayanan CMM da aka jefa daga kuri'a ta baya. Babu handoffs. Babu zato. Babu abin mamaki mai girma.
Misali: Jikin bawul ɗin matsa lamba yana buƙatar ± 0.025 mm zagaye a kan ɗigon 120 mm, ƙarancin ƙasa Ra ≤ 0.4 µm, da zurfin yanayin 0.8-1.2 mm bayan carburizing. Gudun aikin mu yana kulle wannan jerin: simintin saka hannun jari → rage damuwa → CNC m / gamawa → maganin zafi → bayan zafi-maganin niƙa → duban kwane-kwane na gani. Kowane mataki yana ciyar da bayanan da aka tabbatar zuwa na gaba. Idan girman simintin simintin simintin +0.18 mm ya wuce girman, muna rage roughing stock-ba tsalle-tsalle ba.
- Sassan na'ura na CNC: Daga samfuran aluminium zuwa tauraruwar majalissar ƙarfe
- Abubuwan da aka gyara na cobalt-nickel: AMS 5387, T800, da bambance-bambancen al'ada tare da cikakken ganowa.
- Simintin ƙarfe: EN-GJS-400-15 ductile baƙin ƙarfe don aikace-aikacen damping mai girma
- Karfe & bakin karfe simintin gyare-gyare: AISI 4140, 17-4PH, da manyan maki biyu
Ba a bincika inganci a ciki - an gina shi a ciki, an auna shi, kuma an gano shi
"Muna duba 100%" yana nufin komai ba tare da mahallin ba. Me aka auna? Da wane kayan aiki? A kan wane ma'auni? Ta wa?
Ga abin da ke faruwa akan yawan nozzles na cobalt alloy:
• Abu mai shigowa: Spectrometer + hardness + macroetch tabbaci
• Pre-mold: Alamar kakin CMM duba da CAD, gami da jurewar wurin kofa
• Simintin gyare-gyare: Cikakkun CMM tare da bincike-bincike mai zafin jiki, da mai shigar da rini ta ASTM E165
• Bayan-machining: Na gani profilometer don rufe saman, daidaita ma'auni na duk GD&T callouts.
• Ƙarshe: Gwajin gwaji na aiki a 1.5 × matsa lamba na aiki, dubawa na gani a ƙarƙashin girman girman 10 ×, cikakken rahoton binciken da ke haɗa lambar serial don narke batch, log kula da zafi, da kuma bayanan dubawa
Babu gajerun hanyoyi. Babu "samfur." Babu sake yin aiki mara izini. Kowane abu mai mahimmanci yana ɗaukar lambar QR mai haɗawa zuwa lissafin tagwayen sa na dijital.
Haqiqa farashin zabar kuskure-kuma me yasa ba akan farashi bane kawai
Ma'aikatar simintin gyaran gyare-gyaren kakin zuma da ta ɓace tana faɗin 18% ƙasa da matsakaicin kasuwa yawanci tana samun hakan ta hanyar yanke sasanninta ba za ku gani ba har sai gazawar filin: tsallake matakan tabbatar da girman hatsi, ta amfani da hanyoyin kayan aiki na gabaɗaya maimakon takamaiman ciyarwa / saurin gami, ko karɓar ± 0.2 mm bambancin girma akan abubuwan da ke buƙatar ± 0.05 mm.
Ɗaya daga cikin masana'antun famfo na kudu maso gabashin Asiya ya ceci $3.20 kowace raka'a akan gidajen silinda-sannan ya jawo $218,000 a cikin garanti na maye gurbin bayan 40% ya kasa cikin watanni 3. Tushen dalili? Watsewar carbide mara daidaituwa a cikin matrix cobalt, ba a gano shi ba saboda mai siyarwar bai yi sassan giciye na ƙarfe ba akan samar da kuri'a.
Ƙimar gaskiya ta fito ne daga ƙaƙƙarfan aikin injiniya da aka raba-ba mafi ƙarancin tayi ba. Yana nufin sake fasalin ƙirar ku ya haɗa da amsa kamar: "Wannan 0.8 mm radius yana haifar da wuri mai zafi yayin simintin simintin centrifugal-ba da shawarar haɓaka zuwa 1.2 mm da daidaita gating don sarrafa jagorar ƙarfafawa." Ko: "Ra 0.2 µm da aka ƙayyade akan wannan wurin zama na 30 ° yana buƙatar juyawa lu'u-lu'u - ba niƙa ba - wanda ke ƙara farashin 12% amma yana ƙara rayuwar sabis ta 3.7 ×."
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. baya sayar da simintin gyaran kafa. Yana ba da mahimman abubuwan ƙarfe na manufa da aka ƙera don aiki, ingantaccen aiki, da kuma ganowa zuwa narke. Lokacin da aikace-aikacenku ya buƙaci fiye da "ya dace," kuna buƙatar a rasa kakin zuma simintin sassa factory wanda ke kula da kowane bangare kamar yana tafiyar da tsarin ku mafi mahimmanci-saboda haka ne.
