Blog

1, Tus qauv tsim ua ntej deformation yog qhov tseem ceeb

Txog cov pwm yas rau cua thiab dej hauv lub tsheb, kev tswj xyuas qhov zoo ntawm kev tsim thiab kev tsim khoom nyuaj dua li cov qauv ib txwm muaj, vim tias cov khoom no feem ntau yog PA6 (PA66) + GF (30-35%) sib xyaw ua ke, thiab cov khoom no yooj yim kom tau txais kev hloov pauv thaum lub sijhawm molding, thiab qhov loj ntawm cov khoom sib xws yooj yim tawm ntawm kev kam rau siab. Yog li ntawd, paub txog nws qhov kev hloov pauv tas li, tom qab ntawd ua qhov kev tsim ua ntej deformation raws li kev paub dhau los thiab CAE kev tshuaj xyuas tshwm sim hauv cov txheej txheem tsim thaum ntxov tau dhau los ua qhov tseem ceeb rau kev vam meej ntawm kev tsim pwm.

Pab pawg pwm Enuo muaj ntau tshaj 10 xyoo kev paub txog kev ua pwm ua ntej deformation, thiab tau pab Valeo, Mahle-behr, Delphi thiab lwm cov neeg siv khoom hauv ntiaj teb. Ntawm no peb luv luv qhia peb qhov kev paub txog kev ua pwm cua thiab dej tank. Kom paub tseeb, cov tuam txhab sib txawv muaj kev coj ua sib txawv, yog tias tus nyeem ntawv muaj kev xav sib txawv, kuj txais tos kom sib txuas lus nrog peb.

2, Kev tshuaj xyuas cov duab kos, qhia meej txog cov ntsiab lus tseem ceeb ntawm cov khoom thiab qhov loj me

Txhawm rau kom nkag siab txog cov cheeb tsam tseem ceeb ntawm cov khoom thiab cov qhov loj me cuam tshuam yog thawj kauj ruam thaum cov neeg siv khoom cov duab kos khoom tuaj txog, tom qab ntawd them sai sai rau cov qhov tseem ceeb ntawd, xws li cov khoom "Qhov kawg ntawm qhov chaw" ("Qhov kawg ntawm qhov chaw" xav tau qhov ncaj, qhov tiaj tus thiab qhov loj me ntawm daim ntawv, thiab lwm qhov ntawm qhov loj me ntawm cov khoom yuav ua raws li lawv hloov pauv), "Tube orifice" thaj chaw (qhov loj me ntawm "tube orifice" kuj tseem ceeb heev, feem ntau qhov chaw, cylindrical thiab qhov ntev ntawm qhov ntev yog qhov yuav tsum tau ua) thiab cov khoom "Boss" thiab "U-puab" tav thiab lwm yam, lawv tau qhia hauv qab no:

Rau cov pwm tshiab, ua qhov kev hloov pauv ua ntej ntawm cov khoom (ua "kev them nyiaj rau cov khoom siv" ntawm qhov kev taw qhia rov qab ntawm kev kwv yees qhov kev hloov pauv ua ntej raws li kev paub dhau los thiab CAE kev tshuaj xyuas, thov kom ua rau lawv raug tom qab qhov kev hloov pauv tiag tiag ua). Tom qab kev sim pwm, ua qee qhov kev hloov pauv me me raws li qhov kev hloov pauv tiag tiag ntawm cov khoom molding, los kho cov yas geometry, cov duab thiab qhov chaw thiab lwm yam.

3, Kos duab cov khoom.

Yuav kom yooj yim rau kev ua kom pwm zoo dua yav tom ntej, peb yuav tsum kos cov ntaub ntawv khoom 3D tshiab raws li cov neeg siv khoom cov khoom (cov yam ntxwv tseem ceeb yuav tsum khaws cia). Kev txiav txim siab qhov deformation ntawm cov khoom, ua ke nrog kev tshuaj xyuas cov pwm thiab kev paub dhau los los hloov cov ntaub ntawv khoom, hauv qab no koj tuaj yeem pom cov qauv deformation uas tau ntsib:

Nov, qee cov lus qhia zoo siab uas tau qhia thaum lub sijhawm rov kos dua, xws li: ib txwm pib kos duab thaj chaw "Qhov kawg ntawm qhov chaw", raws li tus nqi deformation kom kos qhov ncaj, qhov nkhaus ntawm ntug ntawm cov khoom, xa mus rau cov nkhaus ntawd rau "Ncab" (UG command) qhov ncaj. Cov nplaim tiaj tiaj ua tiav nrog "Corder" (UG command). Kauj ruam no tseem ceeb, los pab txhawb kev hloov pauv yav tom ntej, kos cov nkhaus ua ntej, tsis txhob "ncab" (UG command) qhov chaw ncaj qha, tom qab ntawd siv qhov chaw deformation ntawm qhov ncaj kom tau txais cov duab khoom los ntawm "Offset" (UG command). Txhawm rau kom tsis txhob hloov pauv ntau qhov pwm thaum lub sijhawm ua kom zoo dua pwm tom ntej, ua cov khoom siv yas txiav ntawm cov khoom "Qhov kawg ntawm qhov chaw", tom qab ntawd rov qab lawv hauv T1-T3 kev hloov kho raws li cov khoom deformation tiag tiag (ntxiv rau yas).

Cov lus qhia them nyiaj yuav pab tau:

1. Tsis txhob theej cov khoom ntawm cov neeg siv khoom kom deb li deb tau, sim kos lawv los ntawm koj tus kheej. Yog li ntawd, rau cov pwm hloov pauv hauv qab no yooj yim hloov pauv, suav nrog phab ntsa tuab. Yog tias cov duab yog theej los ntawm cov khoom ntawm cov neeg siv khoom ces tom qab hloov kho ntau zaus, cov ntaub ntawv 3D yuav raug cuam tshuam.
2. Thaum lub sijhawm kos duab, xyuas kom meej tias cov ntaub ntawv khoom 2/3D ntawm cov neeg siv khoom tsis sib txawv.

4, Qhov ua tau deformation sib txawv txog cov khoom tseem ceeb

1, Qhov kev hloov pauv ntawm cov khoom "Qhov kawg ntawm qhov chaw"

Thaum pib, kom txo qhov kev ua haujlwm ntawm cov khoom yas kom ntau li ntau tau, nws yuav zam tau kev rov ua dua cov khoom pwm kom ntau li ntau tau. Kab liab hauv qab no qhia txog qhov kev kwv yees ntawm cov khoom deformation. Thov nco ntsoov tias cov tav "Boss" lossis "U-shaped" lossis cov khoom cuam tshuam yuav tsum tau txav mus nrog "Base end surface" ua ke (Qee cov khoom hauv qab tus thawj coj txav mus rau 0.5 hli, tom qab ntawd "Boss" kuj yuav tsum nqes mus 0.5), thiab tom qab ntawd kos lwm tus. Nws raug pom zoo kom siv "surface" (UG command) los kos lawv.

2, Cov khoom deformation ntawm "Tube orifice"

Lub vojvoog "R" ntawm lub hauv paus ntawm lub raj yuav tsum zoo ib yam li cov ntaub ntawv khoom lag luam ntawm cov neeg siv khoom, vim tias lub vojvoog "R" no cuam tshuam rau lub zog ntawm thaj chaw tseem ceeb ntawm cov khoom. Rau cov xwm txheej ib txwm muaj, lub raj puag ncig yuav tsum raug txo cov yas los ntawm ib sab ua ntej, tom qab ntawd hloov tus nqi raws li qhov kev hloov pauv tiag tiag, rau lub raj loj dua, lub raj zoo li tej zaum yuav tsim ua lub vojvoog ua ntej.

3, cov khoom "U" zoo li yas me ntsis deformation

Cov yas "U-puab" kuj yuav tsum ua li ntawm 2-3 degrees deformation, thaj chaw nruab nrab ntawm cov tav "U-puab" yuav tsum ua cov khoom txiav ntawm ib sab (duab 1). Tom qab tag nrho cov khoom tau kos zoo thiab tom qab ntawd tsim lub vojvoog "R" (tseem rau kev pab hloov pauv, qee zaum "R" radius rov tsim dua yuav ua tsis tiav lossis siv sijhawm ntev), yog tias qee qhov geometry hauv cov ntaub ntawv 3D ntawm cov neeg siv khoom tsis chamfered, peb tuaj yeem chamfer lawv yog tias lawv tsis cuam tshuam rau qhov sib dhos (feem ntau cov neeg siv khoom nyiam cov duab ntse yuav tsum chamfered nrog lub vojvoog "R". Tsis tas li ntawd, qee qhov geometry tseem ceeb ntawm cov khoom lub cev tseem ceeb yog loj, hom kev deformation ntawm cov khoom no yuav tsum tau them sai sai rau parallelism thiab perpendicularity (duab 2).

5, Xaus Lus

Saum toj no yog peb tus kheej kev paub txog kev tsim lub tshuab cua thiab dej-"yooj yim deformation" pwm khoom. Ua tiav cov kauj ruam no zoo, kuv xav tias ib nrab ntawm kev ua tiav ntawm cov pwm zoo li no yuav tau txais, ces lwm ib nrab nyob qhov twg? thov saib ntu tom ntej ntawm tsab xov xwm no "Koj puas paub yuav ua li cas ua pwm ua ntej deformation?-tshooj tsim khoom" lub lim tiam tom ntej.
Zoo, cov nyeem ntawv zoo. Ua tsaug ntau rau koj lub sijhawm los nyeem ntawm no. tos ntsoov yuav ntsib koj rau ntu tom ntej!