xuab zeb molding thiab xuab zeb casting

xuab zeb casting yog ib txoj kev casting uas muaj cov txiaj ntsig zoo li nram no:

1. Tus nqi qis: Piv nrog rau lwm txoj kev casting, tus nqi ntawm kev casting xuab zeb qis dua. Xuab zeb yog ib yam khoom siv uas muaj ntau thiab pheej yig, thiab cov txheej txheem ntawm kev ua xuab zeb yog qhov yooj yim, thiab tsis xav tau cov khoom siv thiab thev naus laus zis nyuaj.

2. Kev ywj pheej tsim qauv siab: kev xuab zeb casting tuaj yeem tsim cov castings ntawm ntau yam duab thiab qhov ntau thiab tsawg, uas yog qhov tsim nyog rau kev tsim cov khoom nyuaj thiab tsis sib xws. Tus tsim qauv tuaj yeem hloov kho cov duab, cov qauv thiab txoj kev faib ntawm cov pwm xuab zeb raws li qhov xav tau kom ua tau raws li qhov xav tau ntawm ntau yam castings.

3. Kev ruaj khov ntawm cov castings: xuab zeb casting tuaj yeem tshem tawm qhov tsis zoo ntawm cov castings mus rau qee qhov. Muaj lub chamber shrinkage txaus hauv cov pwm xuab zeb kom haum rau qhov nthuav dav ntawm cov casting thaum lub sijhawm txias, yog li ua rau qhov ruaj khov ntawm cov casting zoo dua.

4. Muaj peev xwm hloov kho tau zoo: kev siv xuab zeb casting yog qhov tsim nyog rau kev casting ntau yam hlau thiab alloys, suav nrog hlau, hlau, txhuas, tooj liab thiab lwm yam. Ntau hom xuab zeb tuaj yeem xaiv raws li qhov yuav tsum tau ua ntawm kev casting kom tau txais cov txiaj ntsig zoo dua.

Cov ntsiab lus hauv qab no yuav tsum tau sau tseg thaum casting xuab zeb pwm:

1. Qhov zoo ntawm cov xuab zeb: cov xuab zeb yuav tsum muaj qee lub zog thiab tiv taus cua sov, tuaj yeem tiv taus cov hlau kua thiab qhov kub. Qhov saum npoo ntawm cov xuab zeb pwm yuav tsum du, tsis muaj kab nrib pleb thiab qhov tsis zoo kom ntseeg tau tias qhov zoo ntawm kev casting.

2. Qhov kub ntawm kev nchuav: Nws yog ib qho tseem ceeb heev uas yuav tsum tswj qhov kub ntawm cov hlau ua kua. Qhov kub siab dhau yuav ua rau xuab zeb hlawv, hloov pauv lossis tawg; Qhov kub qis dhau yuav ua rau muaj teeb meem tsis tiav ntawm kev sau thiab kev pov tseg.

3. Kev ceev casting tuaj yeem ua tau hom: Kev ceev casting tsim nyog thiab hom tuaj yeem tiv thaiv qhov tshwm sim ntawm qhov tsis zoo xws li qhov hws thiab qhov xuab zeb. Kev ceev casting ntau dhau hauv lub sijhawm luv luv yuav tsum tau zam kom tag nrho cov pwm xuab zeb yam tsis muaj roj.

4. Kev txiav txim nchuav: Rau cov casting nyuaj, tshwj xeeb tshaj yog cov uas muaj ntau lub rooj vag, nws yog ib qho tsim nyog los npaj qhov kev txiav txim nchuav kom tsim nyog kom ntseeg tau tias cov kua hlau tau puv tag nrho rau hauv txhua qhov chaw, thiab kom tsis txhob muaj kev sib cais txias thiab kev sib cais.

5. Kev txias thiab kev kho: kev casting yuav tsum tau txias thiab kho tom qab nchuav. Lub sijhawm txias thiab txoj kev kom raug tuaj yeem tiv thaiv kev tawg thiab deformation los ntawm kev ntxhov siab thermal, thiab txhim kho cov khoom siv kho tshuab ntawm castings.

Feem ntau, thaum casting xuab zeb pwm, nws yog ib qho tsim nyog yuav tsum tau them sai sai rau kev tswj hwm qhov zoo ntawm cov xuab zeb pwm, pouring kub, pouring ceev thiab hom, pouring sequence thiab tom qab txias thiab kho cov txheej txheem kom tau txais cov castings zoo.