Lokacin da injiniyoyi ke buƙatar sassan ƙarfe waɗanda ba za su fashe a ƙarƙashin mashaya 300 ba, tsayayya da galling a cikin famfo ruwan gishiri, ko riƙe ± 0.02 mm lissafi bayan jiyya na zafi-sun tsallake abubuwan da aka samo asali. Suna kiran a al'ada yashi simintin factory tare da ƙwararrun ƙwarewa a cikin abubuwan haɗin gwiwar cobalt, gidaje na hydraulic, da maƙasudin lalacewa na manufa. Wannan shine inda daidaito ya daina zama ƙayyadaddun bayanai - kuma ya zama sakamako mai maimaitawa.
Simintin Yashi Ba “Asali” Ba Kuma— Injiniya Ne
Mutane da yawa har yanzu suna ɗaukan simintin yashi yana nufin ƙarancin haƙuri, tsawon lokacin jagora, da aikin ƙirar hannu. Ba a nan ba. A mu ISO-compliant makaman a Qingdao, yashi simintin gyare-gyare kai tsaye tare da CNC machining, GD&T-kore dubawa, da metallurgical traceability. Mun jefa gidaje na tushen cobalt na T800 don famfunan piston-sannan mashin ɗin rufe fuska zuwa Ra 0.4 µm a saiti ɗaya. Babu gogewa da hannu. Babu madaukai na sake yin aiki. Kawai rubuta ikon sarrafa tsari daga cikar ƙira zuwa rahoton CMM na ƙarshe.
Mun ga abokan ciniki sun kasa sau uku kafin tuntuɓar mu-ba don zane-zanen su ba daidai ba ne, amma saboda masu samar da su na farko sun kula da simintin yashi a matsayin "mafarin farawa," ba tsari mai sarrafawa ba. Core shift? Molds da hannu? Lokacin shakeout mara daidaituwa? Duk suna haifar da porosity kusa da fillet mai tsananin damuwa. Maganin mu: ƙaddamar da ƙirar ƙira mai sarrafa kansa, madaidaicin sanyaya mai sarrafawa, da saka idanu na yanayin zafi na ainihin lokacin ƙarfafawa. Sakamakon? Ƙimar farko ta haye sama da 92% akan simintin ƙarfe sama da kilogiram 80—har ma da kunkuntar hanyoyin ciki fiye da mm 6.
Me yasa Cobalt-Nickel Alloys ke Buƙatar Sama da Lasisi na Kafa
Cobalt alloys kamar AMS 5387 ba kawai wuyar inji ba. Suna ba da gafara ga tarihin thermal. Ragewar 5°C yayin cirewar yana canza rarrabawar carbide. Bambancin kashi 2% a cikin koren yashi yana jujjuya ƙimar da 0.15 mm kowace 100 mm. Wannan shine dalilin da ya sa muke haɓaka albarkatun ingots tare da ƙwararrun masu kaya-kuma muna gwada kowane zafi don girman hatsi, abun ciki na tsaka-tsakin lokaci, da taurin kafin simintin.
Abubuwan da aka fi nema sun tabbatar da shi: cobalt alloy nozzles don allurar slurry mai saurin gudu, AMS 5387 sassan famfo da ke aiki a ci gaba da aikin 180°C, da madaidaicin madaidaicin shaft rollers don injin abin hawa. Waɗannan ba sifofi ba ne. Su geometries ne masu aiki — bores ɗin da aka ɗora tare da tsangwama, flanges asymmetric tare da leɓuna masu rufe matsi, makafi da ke buƙatar hucewa ta hanya. Kowa yana farawa da simintin simintin gyare-gyare (muna amfani da MAGMASOFT®), ba zato ba.
Wasu na iya jayayya cewa simintin saka hannun jari yana ba da kyakkyawan ƙarewa. Gaskiya - don ƙananan sassa. Amma ga cylinders gidaje yin la'akari 120 kg ko famfo tushe a kan 1.5 m tsawo? Yin simintin yashi yana samun nasara akan farashi, daidaitawa, da kwanciyar hankali a cikin manyan sassa. Muna haɗa duka biyun lokacin da ake buƙata: yashi-siffa m siffa, sa'an nan zuba jari-harsashi gama a kan m sealing zones.
Haɗin Kai tsaye Yana nufin Babu Girgizar Hannu
Hannun hannu guda uku sun kashe aminci: kantin simintin gyare-gyare → kantin injina → mai sayar da zafi → gidan gamawa. Kowanne yana ƙara haɗari-rashin sadarwa akan bayanan datum, murɗaɗɗen zafi mara rikodin, rashin daidaituwar ƙarfin harbin harbi. Muna kawar da waɗannan gibin.
- Yin wasan kwaikwayo: Green yashi, resin-boded, da kuma rasa-kumfa-wanda aka zaba ta kowane bangare, ba tsoho ba
- Machining: 5-axis CNC don hadaddun contours; hadedde bincike don tabbatar da GD&T a cikin tsari
- Ƙarshe: Shot peening da SAE AMS 2430, passivation zuwa ASTM A967, HVOF shafi for yashwa juriya
- Abun iya ganowa: Kowane sashi yana ɗauke da lambar QR mai haɗawa da takaddun kayan sa, log ɗin simintin gyare-gyare, yanayin zafin zafi, da rahoton CMM
Wani abokin cinikin mai na Arewacin Amurka ya taɓa aiko mana da bawul ɗin bawul ɗin bakin karfe wanda ya gaza - fashe a wuyan walda bayan sabis na watanni 4. Binciken mu na ƙarfe ya nuna rashin jin daɗin damuwa bayan walda. Mun sake tsara simintin gyaran kafa don kawar da haɗin gwiwar walda gaba ɗaya. Sakamako: Rayuwar filin watanni 14, gazawar sifili. Wannan ba kawai masana'anta ba ne. Haɗin gwiwar injiniya ne.
Abin da Ka Samu A Haƙiƙa—Ba Abin da Aka Yi Alkawari kaɗai ba
Ba kwa buƙatar wani mai siyarwa wanda ya ce "muna yin simintin yashi na al'ada." Kuna buƙatar wanda ya amsa waɗannan tambayoyin kafin ya faɗi:
- Shin za ku iya riƙe shimfiɗar 0.05 mm akan farantin simintin yashi na 600 × 400 mm - bayan rage damuwa da injina?
- Shin simintin gyare-gyare na cobalt ɗin ku sun cika AMS 5719 tensile da buƙatun tasiri-kamar yadda aka gwada ta ASTM E8/E23 akan * naku * zafi?
- Shin za ku inganta daftarin kusurwoyi da radi don ƙirƙira-kuma ku ba da shawarar hanyoyin da ke inganta rayuwar gajiya ba tare da canza aiki ba?
Muna yi. Kowace lokaci. Domin ba a gina aminci a cikin zane ba. An gina shi cikin yadda kuke sarrafa daidaitaccen carbon, taurin ƙima, yawan zafin jiki, da ƙimar sanyaya. Abin da ya sa OEM na'ura mai aiki da karfin ruwa na duniya, masu ginin famfo na teku, da na'urorin haɗa abubuwan hawa na musamman ke dawowa-ba don farashi ba, amma don sakamako mai faɗi.
Idan aikin ku na gaba ya ƙunshi bawul ɗin matsa lamba, gidajen famfo piston, ko ingantattun abubuwan winch - kuma kuna buƙatar a al'ada yashi simintin factory wanda ke ɗaukar ƙarfe kamar kimiyya, ba sana'a ba - kun riga kun san inda za ku fara. Daidaitawa yana farawa inda zato ya ƙare.
