Lokacin da injiniyoyi suka ƙididdige sassa na injin simintin ƙarfe na simintin ƙarfe, ba kawai zaɓin abu bane—suna ƙaddamar da kwanciyar hankali a ƙarƙashin hawan keke, damping da za a iya tsinkaya a cikin mahalli mai tsananin girgiza, da ingantacciyar injin ƙira don madaidaitan gidaje. Amma samun waɗannan sassan daga masana'anta da ke ba da kai ga duka ukun? Wannan shine inda mafi yawan ƙungiyoyin sayayya suka sami sabani.
Me yasa "Kamfanin Kayan Aikin Gine-ginen Ƙarfe na Grey Cast" Sha'idodin Bincike ne tare da Nauyin Injiniya na Gaskiya
Neman launin toka simintin ƙarfe inji sassa factory karu lokacin da ingancin ƙira ya sami shirye-shiryen samarwa-musamman don manifolds na ruwa, sansanonin famfo, ko jikin bawul da aka ƙididdige don sabis na mashaya 350+. Waɗannan ba simintin kayayyaki ba ne. Suna buƙatar sarrafa ilimin halittar ɗan adam graphite flake, ingantacciyar ƙarfin ƙarfi (HT250-HT300), da izinin yin injin da aka gudanar tsakanin ± 0.05 mm bayan kawar da damuwa. Mun ga abokan ciniki sun ƙi kuri'a guda uku a jere daga masu ba da farashi mai rahusa-ba don girman girman ba, amma saboda microhardness ya bambanta a fuskar simintin gyare-gyare, yana haifar da lalacewa na kayan aiki da wuri-wuri yayin kammala CNC na ƙarshe.
Me Ya Raba Dogaran Masana'anta Daga Mai Haɗari?
Amincewa yana farawa kafin a zubar da m. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., kowane baƙin ƙarfe batch fara da bokan EN-GJL-250 ko ASTM A48 Class 30B albarkatun kasa - gano zuwa zafi lamba, narkewa bincike, da sanyaya kudi rajistan ayyukan. Babu zato "kamar yadda aka jefa". Layin simintin yashinsu yana amfani da saiti mai sarrafa kansa da kuma sa ido kan yanayin zafi na ainihin lokacin a yankin shakeout. Me yasa hakan ke da mahimmanci? Saboda rashin daidaituwar sanyaya yana haifar da damuwa mai saura wanda ke lalata gidaje na Silinda yayin aikin gama-ko da sashin ya wuce cak na CMM na farko.
Sa'an nan kuma ya zo da m handoff: jefa zuwa inji. Yawancin masana'antu suna ɗaukar waɗannan a matsayin ayyukan da ba a rufe ba. QIANGSENYUAN ya haɗa su. Kwayoyin su na CNC suna gudana kai tsaye daga bene mai tushe, tare da kayan aiki da aka tsara don datums-ba filaye na CAD ba. Wannan yana kawar da kurakurai na sake daidaitawa akan hadaddun geometries kamar gidaje na silinda na piston, inda keɓance tsakanin tashar shigarwa, tashar fitarwa, da babban bututu dole ne ya riƙe tsakanin 0.015 mm.
Tabbatarwa na ƙarshe ba motsa jiki ba ne. Kowane jikin bawul ɗin matsin lamba yana fuskantar gwajin leak ɗin helium a 1.5 × matsa lamba na aiki, tare da duba mai shigar da fenti akan duk wuraren rufewar injin. Babu wani abu da ke jigilar kaya ba tare da cikakken ganowa ba: takaddun shaida na kayan aiki, hanyoyin magance zafi, rahotannin CMM, da kuma karatuttukan tarkace (Ra ≤ 0.8 µm akan fuskoki masu rufewa).
Kudin Boye na "Mai Kyau" Iron Iron
Wasu masu siye suna ba da fifiko mafi ƙarancin farashi. Sannan suna fuskantar gazawar filin: winch center shaft rollers suna fashe a tushen keyway bayan awanni 2,000 na aiki; Tushen famfo masu tasowa da ke haɓaka faɗuwar gajiya kusa da hawa ramukan aron kusa a ƙarƙashin nauyin hawan keke. Tushen dalili? Rarrabuwar phosphorus mara sarrafawa a cikin simintin gyare-gyare, ko injina da aka haifar da ƙananan ƙwararrun ƙasa daga ƙimar ciyarwar da ba ta dace ba akan ɓangarorin matrix.
Mun bi diddigin ƙwarewar OEM guda ɗaya ta Arewacin Amurka: sauyawa daga mai siyar da kayayyaki zuwa QIANGSENYUAN sun rage iƙirarin garantin filin su akan tubalan sarrafa injin ruwa da 68% sama da watanni 18. Ba saboda sababbin sassan sun kasance "mafi kyau ba" - amma saboda ana sarrafa kowane ma'auni: daidaitaccen carbon ana kiyaye shi a 3.7-3.9%, lokacin shigar da inoculation a kowace zuba, da taimako na ƙarshe na damuwa da aka gudanar a 550 ° C na 4 hours tare da tanderun yanayi.
Inda Madaidaicin Grey Iron Ya Haɗu da Aikace-aikacen Mahimmanci
Fayil ɗin QIANGSENYUAN yana nuna inda ƙarfen simintin launin toka har yanzu ya fi sauran zaɓuɓɓuka:
- Tsarin Ruwa: Jikin bawul tare da haɗe-haɗen hanyoyin matukin jirgi - wanda aka yi amfani da shi zuwa ± 0.02 mm matsayi haƙuri dangane da simintin simintin
- Motocin Injiniya: Winch cibiyar shaft rollers na buƙatar 220-260 HB taurin, uniform a duk faɗin lalacewa.
- Kayan aikin mai da iskar gas: Tushen famfo yana sarrafa ƙarfin juyi na 12,000 rpm - an inganta shi ta hanyar jigilar kayayyaki.
- Famfu na musamman: Gidajen Silinda tare da kujerun layin layi, ƙasa zuwa Ra 0.4 µm don dacewa da piston yumbu
Ba sa tanadin ma'auni. Kowane oda yana haifar da bita na ƙarfe: Shin kuna buƙatar silicon mafi girma don juriyar girgiza zafin zafi? Ƙananan sulfur don guje wa zafi mai zafi a cikin ƙananan haƙarƙari? Ya kamata mu ƙara jan ƙarfe-molybdenum alloying don girman-zazzabi ƙarfi? Wannan ba maganar tallace-tallace ba ne - shine yadda suke hana ɓarna a kan ginin labarin farko.
Zaɓan Masana'antar Simintin Ƙarfe Na gaba Grey Cast Factory
Idan aikace-aikacen ku yana buƙatar fiye da "ya dace kuma baya karye," nemi shaidar haɗin kai a tsaye-ba kawai da'awar talla ba. Tambayi:
- Rahoton gwajin injin niƙa danye don takamaiman lambar zafin ku
- Shirye-shiryen binciken CMM yana nuna kiran GD&T daidai da zanen ku
- Takaddun sake zagayowar damuwa tare da bugu na tanderu
- Bayanan ingancin saman (ba kawai rashin ƙarfi ba) daga yankuna masu mahimmanci
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. suna aiki ta wannan hanya saboda abokan cinikinsu - OEM na duniya a cikin injina na ruwa, makamashi, da injuna masu nauyi - suna auna nasara a cikin lokaci, ba rangwamen daftari ba. Ba a gina ginin su a Qingdao don girma kawai ba. An ƙirƙira shi don maimaituwa: mai yarda da ISO, tsararru-tsara, da daidaitawa yau da kullun akan manyan kayan tarihi waɗanda aka gano zuwa NIM China.
Lokacin da kake nema a launin toka simintin ƙarfe inji sassa factory, da gaske kuna tambaya: "Wane ne zai tsaya bayan ilimin kimiyyar lissafi?" Amsar ta ta'allaka ne ga wanene ke sarrafa dukkan sarkar-daga graphite nucleation a cikin narkewa zuwa gwajin aikin ƙarshe akan abin da aka gama. Wannan shine madaidaicin QIANGSENYUAN ya hadu-ba lokaci-lokaci ba, amma ta tsari.
