Nawa ne kudin simintin zuba jari a kowace kilogiram? Wannan tambayar ta sauka a kan kowane tebur na injiniyan siye-kafin RFQs, yayin nazarin kasafin kuɗi, musamman lokacin kwatanta masu samar da kayayyaki a cikin teku. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Mun nakalto a kan 1,200 zuba jari simintin ayyukan tun 2018. Mun ga quotes lilo daga $8.50 zuwa $47 / kg-kuma ba saboda markup wasanni. Bambancin ya fito ne daga dalilai guda huɗu: nau'in gami, ƙayyadaddun sashi, girman tsari, da buƙatun gamawa. Wannan jagorar yana yanke amo. Yana ba ku tsarin farashin matakin masana'anta-ba ƙididdiga na ka'ida ba, amma abin da ke motsa allura a zahirin samarwa.
Alloy Choice Shine Direba Mai Kuɗi na #1-Ba Geometry ba
Yawancin injiniyoyi suna ɗaukan siffofi masu banƙyama suna haɓaka farashin simintin saka hannun jari a kowace kilogiram mafi yawa. Ba daidai ba. Alloy ya mamaye. Ga abin da muke gani kullum:
- Cobalt-nickel alloys (AMS 5387, T800) matsakaita $32-$47/kg - wanda ke motsa shi ta hanyar ɗanɗanowar ɗanyen abu, tsananin sarrafa narkewa, da jiyya mai zafi bayan jefawa don daidaita matakan gamma na farko.
- Bakin Karfe (CF8M, CF3M) ƙasa a $18-$26/kg - sama da carbon karfe saboda abun ciki na chromium/nickel da fitattun windows chemistry
- Iron Ductile (ASTM A) yana tsayawa akan $9.50-$13.50/kg - ƙarancin narkewa, ƙarancin raguwa, tsarin harsashi mai gafartawa.
Mun taɓa nakalto gidan famfo na ruwa a cikin T800 cobalt gami a $41.20/kg. Geometry guda ɗaya a cikin ASTM A351 CF8M ya ragu zuwa $22.60/kg. Babu canjin ƙira. Karfe kawai. Idan ƙayyadaddun bayanan ku ya ba da damar musanya kayan—har ma tare da ƙananan ɓangarorin ƙwanƙwasa-zaku sami damar yin amfani da sauri kudin simintin zuba jari a kowace masana'anta farashin.
Matsalolin Mahimmanci-Amma Sai Bayan An kulle Matsalolin Mahimmanci
"Hadadden" baya nufin "tsada" -sai dai idan ya tilasta aikin hannu. Simintin saka hannun jari ya yi fice a sifofin halitta, hanyoyin ciki, da bangon bakin ciki. Abin da ke ƙara farashi ba curvature ba ne ko kwane-kwane - fasali ne da ke karya aiki da kai: ƙasƙanci da ke buƙatar haɗuwa da kakin zuma, ramukan makafi mai zurfi fiye da diamita 8, ko saman ya ƙare mafi kyau fiye da Ra 1.6 µm ba tare da machining ba.
A cikin oda ɗaya na kwanan nan don gidajen famfo na silinda na piston, abokin ciniki ya ƙayyade ± 0.05 mm jure kauri na bango akan ID na 220 mm. Wannan ya haifar da cikakken binciken CMM akan kowane kuri'a-da ƙimar 14% akan daidaitaccen ± 0.15 mm. Amma lokacin da suka huta haƙuri zuwa ± 0.10 mm akan saman da ba a rufe ba, farashin ya ragu $2.30/kg tare da tasirin aikin sifili. Dokar mu: ayyana mahimman bayanai da farko. Sa'an nan kuma bari simintin ya riƙa sauran.
Girman Yana Canja Komai-Musamman Kasa da Pieces 500
Farashin simintin zuba jari a kowace masana'anta na kilogiram yana raguwa sosai tsakanin guda 1-50 da guda 500-2,000-amma bayan haka. Me yasa? Kayan aiki amortization. Kayan aikin ƙirar kakin zuma don ɓangaren matsakaici-rikici yana gudanar da $2,800-$4,500. A pcs 50, wannan shine $56-$90 da aka ƙara kowace raka'a. A 1,000 pcs? Kawai $2.80-$4.50.
Muna bin wannan daidai. Don jikin bawul ɗin matsi na bakin karfe (1.8kg/raka), farashin simintin saka hannun jarinmu da aka nakalto kowace masana'anta shine:
- $28.40/kg a 50 inji mai kwakwalwa (ya haɗa da cikakken kayan aiki + 3-shell iterations)
- $21.90/kg a 500 inji mai kwakwalwa (kayan aiki cikakke amortized, inganta yanayin bushewar harsashi)
- $20.30/kg a inji mai kwakwalwa 2,000 (ingantacciyar lodin tanderun wuta, ƙimar raguwa zuwa 2.1%)
Babu sihiri. Kimiyyar lissafi kawai, sarrafa tsari, da saitin mai maimaitawa.
Kammala Ba Zabi Ba — Ana Farashi Kowacce Tafi, Ba Kowane Sashe ba
"As-cast" yana da wuya a aikace-aikacen masana'antu. Yawancin abokan ciniki suna buƙatar aƙalla ɓarnar girgizawa da harbe-harbe. Amma kowane ƙarin matakan mahadi suna biyan kuɗi a layi daya:
- Ƙunƙarar girgiza + ƙarar alumina: +$0.85/kg
- Electropolissh (Ra ≤ 0.4 µm): +$4.20/kg
- Passivation (ASTM A967 Nitric): +$1.10/kg
- Girman niƙa na fuskokin rufewa: +$6.90/kg (ana auna kowace fuska, ba kowane sashi ba)
Kwanan nan mun sake yin odar cobalt gami da bututun bututun ƙarfe inda abokin ciniki ya nemi electropolissh * da * niƙa na gida akan ƙananan kujeru biyu. Ƙarshen shi kaɗai ya ƙara $11.30/kg-fiye da farashin simintin simintin gyare-gyare na wannan gawa. Darasi: ƙayyade kawai abin da hatimi, nunin faifai, ko abokan aure. Tsallake kayan kwalliya sai dai in juriyar lalata ko daidaita kwararar ruwa ya bukace su.
Samun Farashi na Gaskiya yana farawa da Zane-zanenku-Ba kasafin ku ba
Kalmomin gama-gari ba su da amfani. Haƙiƙa farashin simintin saka hannun jari a kowace kilogiram farashin masana'anta yana buƙatar kiran kira na GD&T, takaddun shaida (AMS, ASTM, EN), da kammala bayanin kula-ba kawai “bakin ƙarfe, kyakkyawan saman.” A QINGDAO QIANGSENYUAN TECHNOLOGY, ƙungiyar mu masu tsokaci suna nazarin kowane zane don ƙirƙira kafin yin magana. Muna nuna haɗari: murdiya mai zafi a cikin dogon siraran makamai, fashewar harsashi a cikin radiyoyin ciki masu kaifi, ko al'amuran fitar da kakin zuma a cikin aljihu masu zurfi. Wannan bita yana ɗaukar awanni 48 - kuma yana adana makonni bayan haka.
Idan kuna kimantawa masu siyarwa, nemi ƙimar ƙimar su ta al'ada akan ajin ku na allo, lokacin tsarin harsashi, da ko sun mallaki ɗakin binciken yumbura. Waɗannan cikakkun bayanai suna hasashen daidaito fiye da kowane takardar farashi. Kuma ku tuna: mafi ƙasƙanci mafi ƙasƙanci sau da yawa yana ɓoye farashin sake yin aiki, jinkirin dubawa, ko juzu'i mai girma a cikin batches.
Don daidaito, mai iya aiki kudin simintin zuba jari a kowace masana'anta kimantawa-wanda aka kafa a ainihin bayanan tsari, ba maƙunsar rubutu ba—fara da ingantaccen zane da ƙayyadaddun kayan aiki. Sauran ya biyo baya.
