Nyias-wall txhaj moldingyog cov txheej txheem nrov rau kev tsim cov khoom yas uas yuav tsum tau nyias thiab nyias tsim. Txawm li cas los xij, ntau yam teeb meem tshwm sim thaum tsim cov pwm no. Cia peb ua tib zoo saib qee qhov ntawm cov kev cov nyom no thiab yuav ua li cas kov yeej lawv.
1. Warping:
Ib qho ntawm cov teeb meem feem ntau nrog nyias-phab ntsa txhaj molding yog warping. Qhov no tuaj yeem yog vim pwm tsim tsis zoo lossis pwm pwm tsis zoo, ua rau cov yas ntim thiab warp thaum nws txias. Txhawm rau tiv thaiv qhov teeb meem no, nws yog ib qho tseem ceeb los xyuas kom meej tias cov pwm tsim tau zoo, nrog rau cov phab ntsa tuab thiab kev txhawb nqa tsim nyog. Tsis tas li ntawd, pwm kub yuav tsum tau ua tib zoo kho kom tsis txhob muaj cua txias tsis sib xws thiab warping ntawm cov yas.
2. Ntu Kev Ua Haujlwm:
Lwm qhov teeb meem tshwm sim nrog nyias-phab ntsa txhaj tshuaj molding yog qhov sib txuas. Qhov no tshwm sim thaum cov yas tsis tso tawm tag nrho los ntawm cov pwm thiab tau daig ntawm lub hauv paus lossis kab noj hniav. Nws tuaj yeem tshwm sim los ntawm ntau yam, suav nrog kev tso tawm tsis tsim nyog, qhov txias tsis txaus, lossis tus neeg tso tawm tsis zoo. Txhawm rau tiv thaiv qhov teeb meem no, nws yog ib qho tseem ceeb uas yuav tsum tau siv tus neeg sawv cev tso tawm kom tsim nyog, ua kom muaj cua txias txaus thiab qhov cua, thiab tsim cov pwm nrog cov txheej txheem ejection kom zoo.
3. Cua Traps:
Cua ntxiab yog cov hnab ntim cua uas tuaj yeem nkag mus rau hauv cov pwm thaum lub sijhawm txhaj tshuaj molding. Qhov no tuaj yeem ua rau muaj teeb meem xws li cov cim dab dej, voids, lossis warping. Txhawm rau zam qhov teeb meem no, kev tso cua kom zoo yuav tsum tau muab tso rau hauv cov pwm tsim kom cia cov cua nkag mus.
4. Flash:
Flash yog txheej txheej ntau ntawm cov yas uas ua rau ntawm txoj kab ntawm cov pwm los yog qhov chaw pwm tuaj ua ke. Qhov no tuaj yeem tshwm sim vim tsis raug pwm daim hlau, siab dhau, lossis tsis txaus clamping quab yuam. Txhawm rau tiv thaiv lub teeb nyem, xyuas kom meej tias cov pwm daim hlau ua kom zoo, siv lub zog clamping txaus, thiab kho qhov kev txhaj tshuaj siab thiab ceev.
Hauv kev xaus, nyias phab ntsa txhaj molding tuaj yeem tsim cov khoom zoo, tab sis nws yuav tsum tau ua tib zoo tsim pwm tsim thiab ua. Los ntawm kev txheeb xyuas thiab daws teeb meem, cov tuam txhab lag luam tuaj yeem kov yeej cov teeb meem no thiab tsim cov khoom zoo, tsis muaj qhov tsis xws luag.
