Qhov cuam tshuam ntawm kev txhaj tshuaj tshuab rov qab siab rau qhov zoo ntawm cov khoom hloov pauv yas

Kev thim rov qab ntawm kev txhaj tshuaj molding yuav tsum tau hloov kho raws li cov khoom siv raw, cov xwm txheej qhuav, cov qauv khoom, thiab cov xwm txheej zoo. Lub nraub qaum feem ntau hloov kho ntawm 3-15kg/cm3. Thaum cov khoom nto muaj huab cua me me tawg, xim sib xyaw, ntsws, thiab hloov pauv loj hauv cov khoom loj thiab qhov hnyav, lub nraub qaum tuaj yeem tsim nyog ntxiv. Thaum lub qhov taub xau, ua rau qaub, yaj ntau dhau, thiab ua kom tawg, cov khoom tsis zoo, thiab cov khoom xa rov qab qeeb dhau, koj tuaj yeem txiav txim siab tsim nyog txo lub nraub qaum.

Lub siab rov qab tuaj yeem tuaj yeem hloov kho cov yas yaj hauv lub thoob, nce qhov ntom ntom ntom ntom, nce qhov ntim tshuaj, thiab xyuas kom ruaj khov ntawm qhov hnyav thiab qhov loj ntawm cov khoom yas hloov pauv;

Kev rov qab zoo tuaj yeem" nyem tawm" cov pa hauv qhov yaj, txo cov pa cua thiab cov npuas sab hauv ntawm cov khoom yas hloov pauv, thiab txhim kho kom zoo ib yam;

Ua kom lub nraub qaum rov qab tuaj yeem txhim kho qhov kev nqaim ntawm cov khoom nto thiab cov kua nplaum khiav ncig cov khoom;

Kev rov qab zoo tuaj yeem ua rau cov av noo ntawm cov yaj, txhim kho cov yas zoo ntawm cov yaj, txhim kho cov kua dej ntawm cov yaj thaum sau cov pwm, thiab tsis muaj cov kua nplaum txias txias rau ntawm qhov hloov khokhoom yas.

Qhov cuam tshuam ntawm kev txhaj tshuaj tshuab rov qab siab rau qhov zoo ntawm cov khoom hloov pauv yas

Cov txiaj ntsig ntawm kev thim rov qab ntau dhau ntawm cov khoom yas hloov pauv: txo qis kev ua kom zoo dua qub, txo qis kev ua haujlwm tau zoo, nquag ua rau cov kua nplaum yaj, tso lub raj tso tawm, pov tseg cov khoom siv raw, thiab hlawv thiab ua ntej yas yas cua sov nyob ze lub taub hau lub tshuab thiab ntsia hlau chim nce.

Cov txiaj ntsig ntawm kev thim rov qab qis dhau ntawm cov khoom yas hloov pauv: nws yuav ua rau cov yas tsis zoo, ntim tsis ruaj khov, hloov pauv ntau hauv cov khoom hnyav thiab cov khoom loj, thiab ntsws me me, cua daj cua dub, kab khoom txias, tsis sib xws, thiab lwm yam. nto ntawm cov khoom. Cov xwm txheej tsis txaus ntseeg, ua npuas tuaj yeem tshwm sim sab hauv cov khoom, thiab cov khoom ib puag ncig ntawm cov khoom thiab cov pob txha tau yooj yim tsis txaus siab nrog cov kua nplaum.