Neman a yashi simintin gyaran kafa kusa da ni masana'anta? Ba wai kawai kuna neman kusanci ba - kuna buƙatar kwanciyar hankali a ƙarƙashin matsa lamba 200 MPa, amincin microstructure bayan jiyya mai zafi, da ganowa har zuwa tsarin narkewa. Yawancin wuraren kafa na gida ba za su iya ba da garantin duka ukun ba. Mun ga shi da kansa: wani injin injin lantarki na Arewacin Amurka OEM ya karɓi 12% a kan gidajen silinda daga mai siyar da “na gida” saboda ba a kula da rarraba hatsi ta ASTM E112 ba, kuma ba a gano ainihin canjin ba har sai an duba CMM na ƙarshe.
Me ya sa "Kusa da Ni" Bai Isa ba - Abin da Yake Mahimmanci a Simintin Yashi
Nisa yana adana lokacin jigilar kaya-amma rashin kulawar gyare-gyare mara kyau yana bata makonni. A gaskiya yashi simintin gyaran kafa kusa da ni masana'anta dole ne ya isar da maimaitawa, ba kawai labarin ƙasa ba. A wurin da aka tabbatar da ISO a cikin Qingdao, muna gudanar da bin diddigin ruwan yashi na ainihi (± 0.2% ƙuduri) da rajistar zafin jiki mai sarrafa kansa kafin kowane zuba. Babu zato. Babu littafai na hannu.
Muna sarrafa fiye da tan 400 na baƙin ƙarfe da simintin ƙarfe a kowace shekara-mafi yawan aikace-aikace masu mahimmancin manufa inda gazawa na nufin raguwar lokaci a tashoshin famfun mai ko injin injin injin injin. Abokin ciniki ɗaya ya maye gurbin masu samar da yanki guda uku bayan gano ƙididdige ƙididdiga na nodule na graphite a cikin gidajen ƙarfe ductile. Mai siyar da su na baya ya yi amfani da yashi da aka kwato ba tare da tantancewa ba. Muna gwada kowane yashi da yawa don abun ciki na silica, aikin yumbu, da kwanciyar hankali na thermal-saboda nodularity ba a saita a cikin tanderu; an kulle shi a layin gyare-gyare.
Tsarin simintin yashin mu yana haɗa kai tsaye tare da injin CNC. Wannan yana nufin babu sake gyara abubuwan mamaki. Gidan famfo na silinda na piston ya zo daga gyare-gyare tare da izinin daftarin 0.3 mm - kuma ya fita daga injin 5-axis tare da ± 0.025 mm GD&T yarda akan saman rufewa. Haɗin kai tsaye yana kawar da tarin juriya. Hakanan yana ba mu damar gyara ƙananan sauye-sauyen simintin gyare-gyare * kafin* yin aikin ƙarshe-kamar daidaita ƙimar abinci don wuraren sanyi da aka gano ta hanyar hoto mai zafi yayin girgizawa.
Lokacin da Cobalt Alloys ke Buƙatar Fiye da Daidaitaccen Simintin Yashi
Wasu sassa kawai sun ƙi yin aiki a cikin koren yashi na al'ada. Abubuwan haɗin Cobalt-nickel-musamman makin AMS 5387 da T800-suna buƙatar kulawar zafin jiki mai ƙarfi, ƙaramin sulfur mai ɗaukar nauyi, da madaidaitan bayanan bayanan ƙonawa. Mun soke gwajin gwaji 17 na koyon wannan. Yanzu muna amfani da tsarin akwatin sanyi na phenolic urethane don nozzles na cobalt da matosai, tare da ɗigon ruwa mai tsaftar nitrogen don riƙe oxygen ƙasa da ppm 20.
Wannan ba ka'idar ba ce. Kwata na ƙarshe, mai kera famfo na Turai yana buƙatar madaidaicin madaidaicin T800 alloy na tsakiya don tsarin winch na teku. Kafafunsu na farko sun ba da batches biyu tare da fashewar interdendritic-ba a gano ba har sai gwajin fesa gishiri ya gaza a sa'o'i 96. Mun gudanar da zane-zane akan kowane zube, taswirar dendrite hannun tazarar da tazarar yanayin sanyaya, da kuma daidaita ƙirar gating don rage zafin zafi a cikin sashin diamita na 380 mm. Sakamako: sifili fasa, 1,020-hour lalata juriya da aka tabbatar da ASTM B117.
Maɓallan bambance-bambancen ba taken talla bane - ana iya auna su:
- Takaddun shaida na ɗanyen abu da aka samo shi zuwa rahotannin gwajin niƙa-ba kawai sanarwar masu kaya ba
- Tabbatar da taurin cikin tsari *kafin* injina (ba kawai maganin zafi ba)
- Na'urar 3D na gani na as-cast geometry vs. CAD - yana nuna raguwar wuraren zafi da wuri
- Cikakkun abubuwan ganowa: ID narke → ID ɗin yashi → ID na akwatin ainihin → ID na mai aiki
Yadda Ake Vet Gidan Kafa Yashi — Bayan Gidan Yanar Gizo
Yi waɗannan tambayoyi guda huɗu kafin aika zane:
- "Nuna mani rahoton rabon hatsin yashi uku na ƙarshe." Idan sun yi shakka, ku tafi. Lambobin AFS masu daidaitawa (tsakanin 45-65 don yawancin gidaje na ruwa) suna hana ƙazantar ƙasa da lahani na gas.
- "Mene ne matsakaicin matsakaicin mold taurin ku a kowane lokaci?" Ƙimar da ke sama da ±3 Shore D suna nuna rashin daidaituwa - wanda ke haifar da babban motsi ko kuskure.
- "Shin kuna yin gwaje-gwaje na rediyo akan sassa masu mahimmanci-ko kawai ultrasonic?" RT yana kama ƙarancin ƙarancin ƙasa wanda UT ke ɓacewa a cikin simintin sassa masu kauri kamar tushen famfo.
- Zan iya sake duba sabon rahoton binciken ku na cikin gida game da sashin ISO 9001 8.5.2? Wannan juzu'in ya ƙunshi ingantaccen tsarin samarwa-ba kawai takarda ba.
Muna buga dashboard ɗin aikin yashi na kwata-kwata a ciki-kuma muna raba abubuwan da suka dace tare da ƙwararrun abokan hulɗa yayin nazarin aikin injiniya. Bayyana gaskiya ba na zaɓi ba ne lokacin da rayuka suka dogara da amincin bawul ɗin matsa lamba.
Dogaro Yana farawa Kafin Zuba Farko
A yashi simintin gyaran kafa kusa da ni masana'anta yakamata yayi aiki azaman kari na ƙungiyar injiniyan ku-ba mai siyar da akwatin baƙar fata ba. Mun fara da amsawar ƙirƙira: alamar daftarin kusurwoyi ƙarƙashin 1.5°, gano haɗarin mahaɗar makafi a cikin hadaddun geometries, ingantattun simintin gyare-gyare akan ainihin hotunan kyamarar zafi.
Babu wani yanki da ke yin gyare-gyare ba tare da duba jeri na GD&T da ƙayyadaddun bayanai na giciye ba. Muna ƙin bakin bakin 316 mai shigowa idan abun ciki na ferrite ya faɗi a waje da 5-12% - koda kuwa takardar niƙa ta ce "mai yarda." Domin juriyar lalata ta zahiri ta dogara da wannan kewayon.
Idan kuna buƙatar madaidaicin simintin gyare-gyaren da ke tsira daga hawan keke mai matsananciyar matsa lamba, tsayayya da lalacewa a cikin famfunan slurry, ko kula da kwanciyar hankali bayan hawan keke na 500°C — tuntuɓe mu kai tsaye. Muna ba da amsa ga RFQs a cikin sa'o'in kasuwanci 48 tare da zane-zane masu gudana, wuraren bincike, da taswirorin samo albarkatun ƙasa. Ba kasidu ba. Ba alƙawura ba. Kisa da bayanai.
