Lokacin da injiniyoyi suka ƙayyade mafita na masana'antar simintin ƙarfe na simintin ƙarfe, ba kawai siyan sassa bane - suna tabbatar da amincin tsarin ƙarƙashin matsi na hydraulic mashaya 350, kwanciyar hankali mai girma bayan hawan hawan zafi 10,000, da daidaiton ƙarfe a cikin batches 500-raka'a. Shi ya sa "masana'anta simintin gyare-gyaren ƙarfe" ba jumlar bincike ba ce - madaidaicin tacewa. Masu siye a cikin mai & gas, injin injin wayar hannu, da masana'antar famfo mai matsa lamba ba sa jure wa bambancin kaurin bangon gidaje na Silinda, taurin kujerar bawul, ko tsarin ƙwayar cobalt-alloy bututun ƙarfe. Suna buƙatar abokan haɗin gwiwa waɗanda ke kula da ASTM A216 WCB azaman mafari-ba layin ƙarshe ba.
A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Mun jefa a kan 17,000 karfe da bakin karfe aka gyara tun 2018-kowannensu hõre uku-mataki dubawa: albarkatun kasa takardar shaida (lambar zafi shiga), in-process CMM tabbaci a m GD & T datums, na al'ada rigima gwajin. Mun ga abokan ciniki sun ƙi ɓangarorin ± 0.08 mm ɓarna a cikin gidajen famfo na piston-ba saboda zane ya ba shi damar ba, amma saboda hatimin hatimi na ainihi yana farawa a ± 0.05 mm. A nan ne al'amuran haɗin kai tsaye: simintin yashi, maganin zafi mai rage damuwa, ƙarewar CNC da yawa, da wucewa duk suna faruwa a ƙarƙashin rufin da aka tabbatar da ISO 9001. Babu handoffs. Babu jujjuyawar tsari-zuwa-tsari. Ba zato ba tsammani akan ƙarfin juzu'i bayan mashin-induced micro-cracking.
Yawancin gazawar masana'antar simintin ƙarfe na simintin gyare-gyare sun dawo zuwa kuskure ɗaya: kula da simintin gyaran kafa da injina azaman matakai daban-daban. Amma jikin bawul ɗin bakin karfe 420HB wanda aka ƙera daga simintin yashi mara kyau yana haifar da raguwar damuwa wanda ke jujjuya saman saman yayin juyawa na ƙarshe. Muna magance wannan ta hanyar haɗa tsarin gating tare da hanyoyin kayan aiki - yin amfani da simulation don hasashen murdiya kafin zub da farko. Domin AMS 5387 cobalt gami famfo famfo sassa, mu pre-zafi molds zuwa 220 ° C da kuma sarrafa sanyaya rates a cikin ± 5°C / hour don kauce wa sigma lokaci embrittlement. Bayan haka, maimakon yin zafi mai zafi, muna jira sa'o'i 72 bayan simintin simintin gyare-gyare don cikakken taimako na damuwa-yanke lokacin mashin ɗin ƙarshe da kashi 30% yayin da muke riƙe ± 0.03 mm haƙurin matsayi akan diamita 8-mm gano fil.
Ga abin da ke raba ingantacciyar ƙarfin masana'antar simintin ƙarfe daga samar da kayayyaki:
- An gasa gano kayan abu a ciki: Kowane kayan aikin cobalt na T800 yana jigilar kaya tare da rahotannin gwajin niƙa, rajistan ayyukan magani na zafi, da bincike na gani-wanda ke da alaƙa da ID ɗin sa na musamman na QR.
- GD&T - masana'anta na farko: Mun inganta zane-zane don masana'anta * kafin * ambato - suna nuna alamun da ba za a iya yiwuwa ba kamar "matsayi na gaskiya Ø0.05 mm dangane da datum B, wanda shine filin simintin da ba injina ba"
- Ƙwararren tsari na Hybrid: Yashi simintin gyare-gyare mai girma + simintin saka hannun jari don nozzles masu bangon bakin ciki + CNC don saman aiki - duk an inganta su don dangi ɗaya.
- Babu "misali" gami ba tare da inganci ba: Simintin gyaran gyare-gyaren mu na WCB sun haɗu da ASTM A216 * kuma * suna yin gwajin ultrasonic ta ASTM E186 don sassa masu mahimmanci> 50 mm lokacin farin ciki
Wasu suna ɗaukan simintin ƙarfe na bakin karfe yana tsayayya da lalata ta atomatik. Amma mun gwada gidaje 316 marasa ƙarfi a cikin mahallin gas mai tsami - kuma mun sami farawa mai zurfi a cikin sa'o'i 48 lokacin da rabuwar chromium ya wuce 0.3% a fadin makamai na dendrite. Abin da ya sa muke samo ƙwararrun ingots 316 tare da ≤0.02% sulfur kuma muna yin gwajin lalata ta hanyar ASTM A262 Practice E akan kowane zafi. Lokacin da abokin ciniki na Turai ya buƙaci injin na'ura mai ɗaukar hoto don cranes na teku, mun canza daga 4140 zuwa ASTM A487 Grade CA6NM bakin - yana ƙara rayuwar gajiyar 22% a zazzabi na aiki 120 ° C, an tabbatar ta hanyar gwajin juzu'i na 500,000.
Ba a samun dogaro a cikin kayan aikin masana'anta na simintin ƙarfe ta hanyar juriya kawai. An gina shi cikin ƙa'idodin zaɓi na kayan abu, ilimin kimiyyar ƙirar gating, lokacin jiƙan zafi, da tsananin dubawa. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Muna auna nasara ta hanyar gazawar filin sifili akan bawul ɗin matsa lamba da aka tura a cikin jiragen ruwa na Arewacin Amurka-kuma ta maimaita umarni daga fam ɗin OEM na kudu maso gabashin Asiya waɗanda ke duba tsarinmu kowane watanni 18. Masana'antar gano simintin ƙarfe da kuka zaɓa dole ne ku kula da sashinku ba azaman simintin gyare-gyare ba, ba azaman ɓangaren injina ba, amma azaman mahimmin tsarin mu'amala tsakanin makamashin ruwa da motsin inji. Wannan yana buƙatar fiye da kayan aiki. Yana buƙatar daftarin ladabtarwa, lissafin ƙarfe, da kuma yarda a ce "a'a" ga zane kafin a ce "eh" zuwa ranar bayarwa.
