Lokacin da injiniyoyi suka bayyana wani kayan aiki baƙin ƙarfe tushe factory, Ba wai kawai suna yin oda ba ne kawai na simintin ƙarfe. Suna ƙaddamar da tushe wanda dole ne ya sha rawar jiki, tsayayya da nakasawa a ƙarƙashin nauyin 200+ mashaya na'ura mai aiki da karfin ruwa, da kuma kula da haƙurin GD&T fiye da ± 0.05 mm a cikin kewayon thermal-sau da yawa a cikin teku ko wuraren hamada inda maye gurbin yana nufin makonni na raguwa. Wannan shine dalilin da ya sa "masu sana'a na al'ada" ba su da tallan tallace-tallace. Bambanci ne tsakanin taron famfo da ke tsira awanni 15,000 na aiki-da kasawa a awa 2,347.
Ayyukan tushen ƙarfe na ainihi yana farawa tun kafin yin simintin gyare-gyare
Mun ga ayyuka da yawa sun tsaya tsayin daka a matakin ambato saboda masu kaya sun ɗauki sansanonin ƙarfe a matsayin sassan kayayyaki. Wani abokin cinikin mai na Arewacin Amurka ya kawo mana zanen da aka yi bita bayan masu siyarwa uku sun rasa mahimman buƙatun: ASTM A48 Class 35 ƙarfe mai launin toka tare da sarrafa yanayin halittar hoto - ba kawai ƙarfin juyi ba, amma takamaiman rarraba flake don rage haɓakar haɓakar tushen famfo. Kalmomi biyu na farko sun yi amfani da ƙayyadaddun bayanai na kayan abu; dillali na uku ya gudanar da cikakken rahoton ƙananan ƙananan abubuwa game da yanayin zafi na ƙarshe kuma har yanzu ba su iya ba da garantin daidaito tsakanin girman batch sama da raka'a 50.
A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., ƙarfe tushe samar fara da karfe jeri-ba sayan oda. Muna samo ingantattun ƙarfe na alade da tarkace daga ƙwararrun masana'anta na ISO 9001, muna gudanar da bincike mai shigowa akan kowane cajin narke, kuma muna riƙe bayanan kula da zafi don kowane simintin. Don ginshiƙan bawul ɗin matsa lamba waɗanda ke buƙatar juriya ga gajiya, mun ƙididdige ASTM A278 Class 65-45-12 ductile iron tare da nodularity ≥85% - wanda aka tabbatar ta hanyar hoto ta SEM, ba kawai sandunan tensile ba. Wannan ba aikin injiniya ba ne. Yana guje wa gyaran filin dala $220,000 lokacin da tushen abin nadi na cibiyar winch ya fashe a ƙarƙashin tarkace cyclic.
Al'ada ba yana nufin hargitsi ba - kuma daidaito ba na zaɓi ba ne
Wasu suna ɗauka "al'ada" yana nufin tsawon lokacin jagora da ƙarin farashi. A aikace, mafi hadaddun ginshiƙan ƙarfe namu na jigilar kaya da sauri fiye da daidaitattun abubuwan kasida daga masu fafatawa. yaya? Saboda aikin injin ɗin mu na CNC da simintin yashi suna raba zaren dijital guda ɗaya: software na CAM iri ɗaya, ɗakunan karatu na CMM iri ɗaya, ƙa'idodin fassarar GD&T iri ɗaya. Lokacin da OEM injiniyan abin hawa na Turai na buƙatar tushen famfo da aka gyara tare da haɗaɗɗun igiyoyin hawa, tashoshi masu sanyaya, da abubuwan da aka saka 12 - duk a cikin ± 0.03 mm matsayi na haƙuri - mun yi mashin simintin gyare-gyare, sa'an nan kuma sake clamped shi a cikin vise iri ɗaya don yanke ƙarshen ƙarshe. Babu sake gyarawa. Babu kurakuran fassarar tsarin daidaitawa.
Wannan haɗin kai tsaye yana ba da fa'idodi guda uku:
- Kwanciyar kwanciyar hankaliSimintin gyare-gyaren gyare-gyaren annashuwa suna jujjuyawa * kafin* aikin injin ƙarshe-ba bayan-ba-bayan- kawar da shafin yaƙi bayan-machining a cikin manyan sansanoni (≥800 mm sawun)
- Mutuncin saman: Shot peening + phosphate shafi shafi layi, tabbatar ta hanyar roughness (Ra ≤ 1.6 µm) da gishiri-spray gwajin (ASTM B117, 500 hrs)
- Alamar ganowa zaku iya tantancewa: Kowane tushe yana ɗauke da lambar QR-laser mai haɗawa zuwa lambar zafi, rahoton sinadarai, taswirar taurin, da rajistan binciken CMM
Me yasa ƙwarewar cobalt-alloy ke da mahimmanci - har ma da tushen ƙarfe
"Iron Tushen" yana da sauƙi-har sai aikace-aikacenku yana buƙatar dacewa da abubuwan haɗin haɗin cobalt-nickel. Tsarin na'ura mai aiki da karfin ruwa ba sa amfani da keɓaɓɓen sassa. Gidan famfo na silinda na piston (AMS 5387) yana kulle kai tsaye zuwa tushen ƙarfe. Rashin daidaiton ma'aunin faɗaɗawar thermal yana haifar da gazawar gasket. Rashin daidaituwar sutura yana hanzarta. Mun warware wannan ta hanyar haɓaka kayan tushe tare da abokan haɗin gwiwa kamar Fasahar Carpenter — ƙayyadaddun matakan ƙarfe tare da ƙimar CTE waɗanda suka dace da T800 superalloys tsakanin ± 0.5 ppm/°C. Wannan ba ka'ida ba ne. Wannan shine yadda shukar kawar da ruwa ta kudu maso gabashin Asiya ta sami ɗigogi masu alaƙa da tushe a cikin 42 babban matsi mai ƙarfi sama da shekaru 3.
Wannan ƙwaƙƙwaran ƙayyadaddun kayan aiki ya haɓaka har zuwa ƙarshe: Tushen ƙarfe namu suna karɓar ingantaccen ingancin wucewa iri ɗaya kamar simintin bakin karfe, ta amfani da gwajin ASTM A967 nitric acid. Me yasa? Domin ko da saman ƙarfe mai launin toka wanda aka fallasa ga chloride na ruwa yana buƙatar kulawar oxide-Layer-ba kawai rigakafin tsatsa ba, amma daidaitawar electrochemical tare da nozzles na cobalt da matosai.
Amincewar da aka auna a bayarwa-ba alkawuran ba
A dogara kayan aiki baƙin ƙarfe tushe factory jiragen ruwa abin da aka kera-ba abin da aka yi alkawari ba. Mun ƙaddamar da isar da tagogi ne kawai bayan ingantacciyar ƙira: duba ƙimar kaurin bango akan yuwuwar simintin yashi, tabbatar da ainihin wuraren bugawa ba zai hana yin amfani da injina ba, yana tabbatar da cewa duk ramukan da aka taɓa makafi suna share tashoshi na ciki. Idan ƙira na buƙatar kusurwoyi da ba su dace da aikin lissafi ba, muna ba da shawarar wasu hanyoyi-ba uzuri ba.
Adadin isar da saƙon mu na kan lokaci na odar ƙarfe mai matsakaicin girma (raka'a 50-500) yana tsaye a 98.7%, ana bin saƙo ta ISO 9001 Sashe na 8.5.2. Wannan ya haɗa da jigilar kaya zuwa masu ba da kayayyaki na Tier 1 a Jamus tare da fakitin takaddun shaida na CE-da tallafawa abokan cinikin Amurka ta hanyar bitar bin ka'idodin bin ka'idodin ASME BPVC Sashe na VIII don tushe mai ɗauke da matsin lamba. Na gaba, muna faɗaɗa ƙarfin simintin saka hannun jari don sansanonin ƙarfe na bakin ciki mai katanga ƙarƙashin kilogiram 15, muna yin niyya da kayan aikin tallafi na ƙasa inda nauyin ajiyar nauyi ke da mahimmanci - amma ba a farashin ƙwaƙwalwar tsari ba.
Don aikace-aikacen masana'antu masu mahimmancin manufa, tushen ƙarfe ba shine farkon farawa ba. Shi ne wurin bincike na ƙarshe kafin turawa. Zaɓi abokin tarayya wanda tsarinsa ya bar shubuha tsakanin ƙayyadaddun bayanai da gaskiya.
