Peev casting nqi npaum li cas ib kg? Cov lus nug ntawd tau tsaws ntawm txhua tus kws tsim khoom lag luam lub rooj-ua ntej RFQs, thaum lub sijhawm tshuaj xyuas nyiaj txiag, thiab tshwj xeeb tshaj yog thaum sib piv cov chaw muag khoom sab nraud. Ntawm QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., peb tau tshaj tawm ntau tshaj 1,200 peev casting project txij li xyoo 2018. Peb tau pom cov quotes viav vias ntawm $ 8.50 mus rau $ 47 / kg - thiab tsis yog vim kev ua si markup. Qhov sib txawv los ntawm plaub yam tseem ceeb: alloy hom, ib feem complexity, batch loj, thiab cov kev xav tau tiav. Phau ntawv no txiav los ntawm lub suab nrov. Nws muab rau koj lub Hoobkas-theem nqi lub moj khaum-tsis yog qhov theoretical ranges, tab sis qhov ua tau txav lub koob hauv kev ua haujlwm tiag tiag.
Alloy Choice yog tus # 1 tus nqi tsav tsheb - Tsis yog Geometry
Ntau tus engineers xav tias cov duab zoo sib xws nce peev casting nqi ib kg feem ntau. Tsis yog. Alloy dominates. Nov yog qhov peb pom txhua hnub:
- Cobalt-nickel alloys (AMS 5387, T800) nruab nrab $32–$47/kg — tsav los ntawm raw khoom volatility, nruj yaj tswj, thiab tom qab-cam khwb cia cua sov kho kom stabilize gamma prime theem
- Stainless hlau (CF8M, CF3M) av ntawm $ 18 - $ 26 / kg - siab dua carbon steel vim chromium / nickel cov ntsiab lus thiab nruj chemistry windows
- Ductile hlau (ASTM A) tuav ruaj khov ntawm $ 9.50– $ 13.50 / kg — qis melting point, tsawg shrinkage, zam lub plhaub system
Peb ib zaug hais ib lub twj tso kua mis hydraulic hauv T800 cobalt alloy ntawm $ 41.20 / kg. Tib geometry hauv ASTM A351 CF8M poob rau $22.60/kg. Tsis muaj kev hloov pauv. Tsuas yog metallurgy xwb. Yog tias koj qhov tshwj xeeb tso cai hloov khoom siv-txawm tias muaj kev sib tw me me-koj tau txais txiaj ntsig tam sim ntawm peev casting nqi ib kg Hoobkas tus nqi.
Cov teeb meem nyuaj-Tab sis tsuas yog tom qab qhov ntsuas tseem ceeb raug kaw
"Complex" tsis txhais hais tias "kim" - tshwj tsis yog nws yuam kev ua haujlwm. Kev nqis peev casting ua tau zoo ntawm cov duab organic, sab hauv, thiab cov phab ntsa nyias. Dab tsi ntxiv tus nqi tsis yog curvature lossis contour - nws yog cov yam ntxwv uas tawg automation: undercuts yuav tsum tau siv tes ua ke, qhov dig muag qhov tob tshaj 8 × txoj kab uas hla, los yog nto tiav finer tshaj Ra 1.6 µm yam tsis muaj machining.
Nyob rau hauv ib qho kev txiav txim tsis ntev los no rau piston twj tso kua mis lub tog raj kheej vaj tse, cov neeg siv khoom tau teev ± 0.05 hli phab ntsa tuab kam rau ua hla 220 hli ID. Qhov ntawd ua rau tag nrho CMM scanning ntawm txhua qhov ntau - thiab 14% hwm tshaj tus qauv ± 0.15 hli. Tab sis thaum lawv tso siab rau ± 0.10 hli ntawm qhov chaw tsis sib khi, tus nqi poob $ 2.30 / kg nrog xoom ua haujlwm tsis zoo. Peb txoj cai: txhais cov ntaub ntawv tseem ceeb ua ntej. Tom qab ntawd cia casting tuav tus so.
Volume Hloov Txhua Yam—Tshwj xeeb hauv qab 500 Daim
Kev nqis peev casting nqi ib kg Hoobkas poob qis ntawm 1-50 daim thiab 500-2,000 daim-tab sis tom qab ntawd. Vim li cas? Tooling amortization. Cov cuab yeej siv quav ciab rau qhov nruab nrab-qhov nyuaj ua haujlwm yog $ 2,800- $ 4,500. Ntawm 50 pcs, uas yog $ 56- $ 90 ntxiv rau ib chav. Ntawm 1,000 pcs? Tsuas yog $ 2.80 - $ 4.50.
Peb taug qab qhov no kom meej. Rau lub cev stainless hlau siab valve lub cev (1.8 kg / unit), peb hais peev casting nqi ib kg Hoobkas yog:
- $ 28.40 / kg ntawm 50 pcs (nrog rau tag nrho cov cuab yeej + 3-plhaub iterations)
- $ 21.90 / kg ntawm 500 pcs (cov cuab yeej siab amortized, optimized plhaub ziab voj voog)
- $ 20.30 / kg ntawm 2,000 pcs (batch furnace loading optimized, seem nqi mus rau 2.1%)
Tsis muaj khawv koob. Tsuas yog physics, kev tswj cov txheej txheem, thiab rov qab teeb tsa.
Kev Ua tiav tsis yog xaiv tau - Nws yog Tus Nqi Rau Ib Nto, Tsis Yog Ib Ntu
"As-cast" tsis tshua muaj nyob rau hauv cov ntawv thov kev lag luam. Cov neeg siv khoom feem ntau xav tau yam tsawg kawg vibratory deburring thiab tua blasting. Tab sis txhua kauj ruam txuas ntxiv raug nqi linearly:
- Vibratory deburr + alumina moj tej tawg: +$0.85/kg
- Electropolish (Ra ≤ 0.4 µm): + $ 4.20 / kg
- Passivation (ASTM A967 Nitric): + $ 1.10 / kg
- Dimensional sib tsoo ntawm lub ntsej muag sealing: + $ 6.90 / kg ( ntsuas ib lub ntsej muag, tsis yog ib feem)
Peb nyuam qhuav rov ua dua ib qho kev txiav txim cobalt alloy nozzle qhov twg cov neeg thov tau electropolish * thiab * hauv zos sib tsoo ntawm ob lub rooj me me. Kev ua tiav ib leeg ntxiv $ 11.30 / kg - ntau dua li tus nqi casting rau qib alloy. Zaj Lus Qhia: Qhia tsuas yog cov ntsaws ruaj ruaj, swb, lossis cov phooj ywg. Hla cov tshuaj pleev ib ce tiav tshwj tsis yog kev tiv thaiv corrosion lossis ntws calibration xav tau lawv.
Tau txais tus nqi tiag tiag pib nrog koj daim duab-tsis yog koj cov peev nyiaj
Generic quotes tsis muaj txiaj ntsig. Muaj tseeb peev casting nqi ib kg Hoobkas nqi yuav tsum tau GD&T callouts, ntaub ntawv pov thawj (AMS, ASTM, EN), thiab tiav sau ntawv - tsis yog "stainless hlau, zoo nto." Ntawm QINGDAO QIANGSENYUAN TECHNOLOGY, peb pab neeg quoting tshuaj xyuas txhua daim duab rau manufacturability ua ntej hais. Peb chij muaj kev pheej hmoo: thermal distortion nyob rau hauv ntev nyias caj npab, plhaub tawg nyob rau hauv ntse sab hauv radii, los yog ciab ejection teeb meem nyob rau hauv lub hnab tshos sib sib zog nqus. Qhov kev tshuaj xyuas ntawd yuav siv sijhawm 48 teev - thiab txuag lub lis piam tom qab.
Yog tias koj tab tom ntsuam xyuas cov neeg muab khoom, nug txog lawv cov nqi seem ntawm koj cov chav kawm alloy, lawv lub plhaub lub sij hawm nyob, thiab seb lawv puas muaj lawv lub chaw soj nstuam ceramic slurry. Cov ntsiab lus no kwv yees qhov sib xws zoo dua li ib daim ntawv teev nqi. Thiab nco ntsoov: tus nqi qis tshaj feem ntau zais cov nqi rov ua haujlwm, tshuaj xyuas qeeb, lossis qhov dav dav ntawm cov khoom siv.
Rau qhov tseeb, ua tau peev casting nqi ib kg Hoobkas kwv yees-raws hauv cov ntaub ntawv txheej txheem tiag tiag, tsis yog cov ntawv nthuav qhia-pib nrog daim duab kos thiab ntawv pov thawj cov ntaub ntawv spec. Tus so ua raws li.
