Lokacin da injiniyoyi a cikin tsarin na'ura mai aiki da karfin ruwa OEMs ko kamfanonin sabis na filayen mai suna neman a China karfe simintin factory, ba sa neman mafi ƙasƙanci zance. Suna neman maimaita juzu'i akan gidan famfo na cobalt alloy, daidaiton ƙarfe a cikin simintin 50 AMS 5387, ko abubuwan ban mamaki lokacin da mashin winch T800 ya kasa gwajin hydrostatic. Mun sha ganin shi sau da yawa: ma'adanin "cancantar" yana ba da sassan da suka wuce dubawa na gani-amma fashe a ƙarƙashin hawan hawan igiyar ruwa 300 saboda ba a tabbatar da tsarin hatsi ba, ko kuma taurin saman ya ɓace a waje takamaiman bayan magani mai zafi.
Amintaccen simintin gyare-gyare na duniya yana farawa da ikon sarrafawa-ba fitar da kaya ba
Yawancin masu siye na duniya suna ɗaukan simintin gyaran kafa da injina sabis ne daban. Wannan zato yana haifar da haɗari. Lokacin da aka yi simintin gyare-gyare a cikin ɗayan kayan aiki, magani mai zafi a wani, da kuma kammala CNC a cikin na uku, masu canji masu mahimmanci-kamar ragowar damuwa ko amsawar microstructural ga hawan keke-zamewa ta hanyar gibba. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Dukkan matakai guda uku suna faruwa a ƙarƙashin rufin da aka tabbatar da ingancin ISO a Qingdao. Wannan ba dacewa ba ne - iko ne. Mun jefa harsashin famfo na ƙarfe, sa'an nan kuma injin flange mai hawa da fuskokin tashar jiragen ruwa a cikin saitin guda ɗaya, ta amfani da kayan aiki iri ɗaya na CMM. Babu sake gyarawa. Babu motsi datum. Babu wani hasashe game da yadda karkatar da simintin simintin gyare-gyaren zai shafi yardawar GD&T na ƙarshe.
Mun inganta wannan ƙirar haɗe-haɗe a tsaye akan ayyukan bawul ɗin ruwa sama da 127. Wani abokin ciniki na Arewacin Amurka ya canza daga mai siyar da matakin-1 bayan an sami raguwar ɗigogi a wurin zama. Binciken tushen tushen su ya nuna rashin daidaituwar ƙananan ƙwayoyin cuta a cikin bawul ɗin jikin bawul-wanda ya haifar da ƙimar sanyaya mara ƙarfi tsakanin simintin gyare-gyare da maganin zafin injin bayan-machining. Maganin mu? Zuba jiki, aiwatar da warwarewar *cikin gida*, sannan ku gama-ba da saman wurin zama a cikin awanni 48-kafin damshin yanayi ko kulawa zai iya gabatar da iskar oxygenation. Sakamako: zubewar sifili a cikin watanni 18 na aikin filin a cikin rijiyoyin ruwa 42 na teku.
Ba duk kayan kwalliyar cobalt ba ne ke nuna hali iri ɗaya-kuma ma'aikatun da ke sarrafa su
AMS 5387 cobalt alloy ba kawai "mai wuyar inji bane." Halin hazo na carbide yana canzawa sosai tare da karkacewar 0.3°C yayin warwarewar bayani. T800 alloy yana buƙatar daidaitattun farashin hawan zafi kafin gyare-gyaren walda-in ba haka ba, fashewar tsaka-tsakin yana bayyana a lokacin NDT na ƙarshe. Yawancin masu samar da kayayyaki suna ɗaukar waɗannan kayan azaman “superalloys” na yau da kullun. Muna ɗaukar su azaman tsarin rayuwa tare da ma'anar tarihin zafi.
Ka'idar gano kayan mu ta wuce takaddun shaida. Kowane wuri mai zafi yana ɗauke da ID na musamman da ke da alaƙa da rajistan ayyukan tanderun, bayanan yanayin zafi na kafofin watsa labarai, da taswirar taurin maganin bayan-zafi a cikin sassa uku. Lokacin da mai yin famfo na Turai ya buƙaci nozzles 22 tare da Rockwell C 42-46 hardness * da * 100% ultrasonic tsabta, mun gudu a matukin jirgi zafi, daidaita jiƙa lokaci ta 9 minutes, da kuma sake gudu taurin profiling-kafin aikata zuwa samarwa. Wannan matakin maimaitawa yana aiki ne kawai lokacin da ƙarfe, simintin gyare-gyare, da QA ke zaune a ɗaki ɗaya.
- Abubuwan da aka gyara na Cobalt-nickel: AMS 5387, T800, Stelite 6B-simintin gyare-gyare, zafin zafi, kuma an gama zuwa ≤± 0.015 mm haƙuri
- Simintin ƙarfe: ASTM A48 Class 30-65, tare da tabbacin ƙarfin ƙarfi ta ASTM E8 akan kowane kuri'a
- Karfe & bakin karfe simintin gyare-gyare: ASTM A216 WCB, A351 CF8M-cikakken radiyo (ASTM E94) don hanyoyin kwarara masu mahimmanci
- CNC machined sassa: Multi-axis contouring na taurare saman, ciki har da ciki splines da tapered bores tare da ≤0.005 mm runout
Ba a yi alƙawarin tabbatar da isarwa ba - injiniya ne
"Tsarin lokaci" yana nufin abubuwa daban-daban ga mutane daban-daban. Ga ƙungiyoyin sayayya, yana nufin babu ƙarin kuɗin jigilar jigilar iska na mintin ƙarshe. Don ƙirƙira injiniyoyi, yana nufin karɓar sassa na farko * tare da cikakkun rahotannin dubawa* — ba kawai bayanan ƙima ba, amma hotuna microstructure, taswirorin ƙarfi, da binciken tabo sinadarai—kafin shiga kan PPAP.
Muna gina isarwa cikin tsari-ba a kusa da shi ba. Shirye-shiryen samarwa yana amfani da jeri na lokaci-lokaci, ba dabaru na tsari-da-jere-jere ba. Idan gidan silinda famfo na piston yana buƙatar jiyya na zafi 3, saitin injin 5, da ƙare saman 2, waɗannan matakan an tsara su cikin ƙayyadaddun jeri tare da lokacin buffer wanda aka ware * kawai * don ingantattun hanyoyin gazawar-ba jinkirin ka'idar ba. Matsakaicin isar da mu akan lokaci don umarni na matsakaici (50-500 inji mai kwakwalwa) yana tsaye a 98.7% a cikin watanni 22 da suka gabata. Bambancin 1.3%? Duk ana bibiyar su ga canje-canjen injiniyan da abokin ciniki ya buƙaci bayan sakin mold-ba gibin kisa na ciki ba.
Zaɓin masana'antar simintin ƙarfe na China ba game da labarin ƙasa ba ne - game da daidaitawar fasaha ne
FASAHA QINGDAO QIANGSENYUAN baya hidima ga kowane masana'antu. Muna mai da hankali kan aikace-aikace inda gazawar ke da sakamako na gaske: bawul ɗin matsa lamba na ruwa mai sarrafa motsin haɓakar haɓakar haɓakar haɓakar haɓakar haɓakar haɓakar haɓakar haɓakar haɓakar haɓakar haɓakar haɓakar haɓakar haɓakar haɓakar haɓakar haɓakar haɓakar haɓakar haɓakar haɓakar haɓakar haɓakar haɓakar haɓakar gas, madaidaicin madaidaicin ma'aunin gas na H2S, winch center shaft rollers suna ɗaga kayan aikin ƙarƙashin teku a cikin zurfin ruwa na mita 3,000. Wannan mayar da hankali yana fitar da komai - daga tantancewar kayan aikin mu (muna duba rajistan ayyukan gyaran wutar lantarki kwata-kwata) zuwa zaɓin binciken mu na CMM (Renishaw PH20 tare da sikanin axis 5 don hadaddun kwandon shara).
Idan aikin ku na gaba yana buƙatar microstructure mai maimaitawa a cikin simintin gyare-gyare na tushen cobalt, GD&T-machining machining na taurare saman, ko cikakken ganowa zuwa ga zafi mai yawa-kuma kuna buƙatar isar da shi ba tare da aikin injiniya ba-to dama. China karfe simintin factory ba shine mafi yawan takaddun shaida akan bango ba. Shi ne wanda ke ɗaukar zanen ku azaman ƙayyadaddun aiki, ba motsa jiki na lissafi ba. Abokin tarayya ne ke tambayar *yaya* bangaren ke lodawa, *inda* ya rufe, da *abin da zai faru idan ya kasa* — kafin ya fadi ko sisin daya.
