Ntev npaum li cas Kev Cai Pwm Kev Txhim Kho feem ntau siv sijhawm?

Lub voj voog txoj kev loj hlob rau kev cai pwm txawv txawv, feem ntau yog los ntawm25 hnub rau 120+ hnub, nyob ntawm complexity, precision yuav tsum, xaiv cov khoom, thiab kev tswj qhov project. Hauv qab no yog cov ncauj lus kom ntxaws txog cov txheej txheem ncua sij hawm, cov theem tseem ceeb, thiab muaj feem cuam tshuam rau hauv txoj kev tsim pwm kev cai.

Raupwm yooj yim(piv txwv li, cov yas yas yooj yim, cov khoom siv txhua hnub nrog cov kab noj hniav thiab tsis muaj cov txheej txheem nyuaj), tag nrho lub voj voog yog25-35 hnub. Kev tsim qauv siv sijhawm 3-5 hnub, suav nrog 2D / 3D qauv qauv thiab DFM (Tsim rau Kev Tsim Khoom) kev tsom xam. Kev npaj cov khoom (tus qauv pwm steels zoo li P20) thiab cov txheej txheem kev yuav khoom siv sijhawm 5-7 hnub. CNC machining, EDM, thiab polishing yooj yim siv sijhawm 10-15 hnub, ua raws li 2-3 hnub ntawm kev sib dhos. Kev sim pib (T1) thiab kev kho me me yuav siv sijhawm 3-5 hnub, nrog 1-2 hloov kho ua ntej kev pom zoo zaum kawg.

Nruab nrab- cov pwm nyuaj(piv txwv li, automotive interiors, multi-kab kab noj hniav nrog yooj yim sliders los yog lifters) coj45-70 hnub. Tsim txuas mus rau 7-12 hnub, suav nrog moldflow simulation thiab 2-3 tsim tshuaj xyuas. Cov khoom siv (pre-hardened lossis cua sov- kho steels) siv sijhawm 7-12 hnub; imported steels yuav ntxiv 15-30 hnub. Machining (CNC, EDM, hlau txiav) siv sijhawm 15-25 hnub, nrog kev kho cua sov (3-5 hnub) rau siab- cov khoom hardness. Polishing thiab haum yuav siv sij hawm 5-7 hnub, thiab 2-3 mus sib tw nrog kev kho yuav siv sij hawm 7-15 hnub.

High -precision/complex pwm(piv txwv li, cov khoom siv kho mob, micro qhov chaw, tsheb bumpers nrog ntau sab cores) xav tau90–{1}} hnub. Kev tsim qauv siv sijhawm 12-20 hnub, nrog rau kev tswj xyuas nruj (± 0.01 hli) thiab kev siv cov txheej txheem nyuaj. High-qib steels (S136, H13) thiab cov khoom tshwj xeeb (kub khiav) txuas cov khoom siv lead ua rau 15-30 hnub. Ntau-theem machining, precision sib tsoo, thiab daim iav polishing (Ra Tsawg dua lossis sib npaug ntawm 0.025 μm) siv sijhawm 30–45 hnub. 3–5 trial iterations thiab rigorous testing (CMM ntsuas, batch validation) siv 15–25 hnub.

Cov txheej txheem tawg mus rau tsib theem tseem ceeb:tsim (20-35%), Kev npaj cov khoom (15-25%), machining (30-45%), Kev kho deg (5-10%), thiabKev sim & kho (10-20%). Yam tseem ceeb cuam tshuam rau lub sijhawm muaj xws linyuaj(Txhua qhov chaw seem ntxiv ntxiv 20-30% lub sijhawm tsim),precision(kev kho mob- qib tshuaj xyuas yuav siv sijhawm 3x ntev dua),cov ntaub ntawv(kub-kho steels ntxiv 15–20 hnub), thiabsaw hlau(tus qauv txiav 1-2 lub lis piam vs.

Ceev prototyping pwm (soft tooling / 3D luam tawm) tuaj yeem ua tiav hauv10-14 hnubrau thaum ntxov validation. Niaj hnub nimno txoj kev xws li concurrent engineering thiab 3D luam conformal txias txo tag nrho lub sij hawm los ntawm 10-15%. Txawm li cas los xij, ntau dhau ntawm kev sib tw ua rau muaj teeb meem tsis zoo- nruab nrab- qhov kev hloov pauv kev tsim qauv tuaj yeem ncua sijhawm ntev li 30–50%.

Hauv cov ntsiab lus, cov pwm yooj yim siv sijhawm ~ 1 lub hlis, pwm nruab nrab ~ 1.5-2 lub hlis, thiab siab- pwm precision 3–4+ hli. Lub sijhawm teem sijhawm kom raug yuav tsum ntsuas qhov nyuaj, qhov zoo, thiab cov saw hlau ruaj khov.