A: Thaum cov hlau nplaum sib nqus tau siv rau lub tshuab txhaj tshuaj molding, nws lub hom phiaj tseem ceeb yog los pab cov neeg siv khoom kom txo tau lub sij hawm hloov kho cov cuab yeej. Muab piv rau cov khoom siv kho tshuab ib txwm siv rau kev ua haujlwm ntau lawm, hlau nplaum platen tau ua ntau yam kev txhim kho ntawm kev ruaj ntseg. Tab sis raws li kev soj ntsuam saum toj no, qhov loj ntawm cov qauv sib nqus tsis tuaj yeem tshaj qhov siab tshaj plaws clamping quab yuam ntawm lub tshuab txhaj tshuaj molding. Yog li ntawm no peb yuav tsum tau ceeb toom rau txhua tus neeg siv khoom, thaum siv cov hlau nplaum sib nqus, qhov chaw pwm ceev yuav tsum tau hloov kho kom tsim nyog nyob rau hauv thawj kab lus kom tsis txhob muaj siab - pwm ceev. Kev nrawm dhau lawm, nws yuav ua rau lub tshuab nqus tsev pwm tsis tuaj yeem ntxiv rau lub sijhawm luv luv, yog li cov pwm yuav raug rub los ntawm cov hlau nplaum hlau los ntawm lub tshuab nqus tsev.
Kev daws: tswj qhov ceev ntawm cov kab lus frst ntawm pwm nyob rau hauv qhov tsim nyog. Vim V=1/2 〖at〗^2,mv=F,so F=1/2 atm
(V: pwm ceev, a: acceleration, t: pwm lub sij hawm, m: qhov hnyav ntawm pwm, F: Qhib Force) pwm ceev, Nws txhais tau hais tias loj acceleration, thaum lub siab tshaj plaws tus nqi ntawm lub siab tshaj plaws F tshaj lub sib nqus attraction quab yuam ntawm lub platen, yuav tsum tau rub tawm lub phenomenon, ntawm chav kawm, nyob rau lub sij hawm no lub magnetic platen tswb unit yuav tsum tam sim ntawd ua hauj lwm ntawm lub tswb.