Cov ntawv thov thiab qhov zoo ntawm cov zaj duab xis shrinkable cua sov rau cov khoom siv hauv qab zib yog dab tsi?

Txoj kev ntim khoom noj qab zib pulp tuaj yeem siv rau cov thawv ntim cua sov. Zaj duab xis ntsws yog ib zaj duab xis thermoplastic uas ncab thiab taw qhia thaum lub sijhawm tsim khoom thiab ntsws vim cua sov thaum siv. Txoj kev ntim khoom no tsis yog tsuas yog tiv thaiv cov khoom noj xwb, tab sis kuj ua rau nws yooj yim dua rau kev nqa thiab khaws cia. Tsis tas li ntawd, cov thawv ntim zaj duab xis ntsws kuj muaj qhov zoo ntawm kev ua tus phooj ywg ib puag ncig.

Cov yeeb yaj kiab ntim khoom muaj cov txiaj ntsig zoo li nram no:

1) Nws muaj qhov zoo nkauj thiab haum rau cov khoom, yog li nws tseem hu ua lub cev ntim khoom thiab tsim nyog rau kev ntim khoom ntawm ntau yam duab;

2) Kev tiv thaiv zoo. Yog tias lub ntim sab hauv ntawm cov ntim khoom ntsws ua ke nrog cov ntim khoom thauj dai rau ntawm lub ntim sab nraud, nws tuaj yeem muaj kev tiv thaiv zoo dua;

3) Kev ua haujlwm zoo ntawm kev ntxuav,

4) Kev lag luam zoo;

5) Cov khoom zoo tiv thaiv kev tub sab, ntau yam khoom noj tuaj yeem ntim ua ke nrog zaj duab xis loj kom tsis txhob poob;

6) Kev ruaj khov zoo, cov khoom yuav tsis txav mus los hauv zaj duab xis ntim khoom;

7) Kev pom tseeb zoo, cov neeg siv khoom tuaj yeem pom cov ntsiab lus ntawm cov khoom ncaj qha.

Ua ntej tshaj plaws, lub thawv ntim cua sov yog ib txoj hauv kev siv ntau ntawm kev ntim cov khoom noj qab zib pulp. Hauv lub thawv ntim cua sov,cov khoom siv ua los ntawm qab zibthawj zaug muab tso rau hauv lub hnab yas pob tshab, thiab tom qab ntawd cua sov kom cov yas ntsws thiab qhwv nws nruj nreem rau sab nraud ntawm cov tais diav. Txoj kev no tuaj yeem tiv thaiv cov av thiab hmoov av kom tsis txhob lo rau cov tais diav thiab xyuas kom meej tias cov tais diav ruaj khov thaum lub sijhawm thauj mus los thiab khaws cia.

Qhov thib ob, kev ntim khoom siv zaj duab xis semi-shrink kuj yog ib qho ntawm cov txheej txheem ntim khoom siv rau cov tais diav qab zib pulp. Qhov sib txawv ntawm kev ntim khoom siv zaj duab xis semi-shrink thiab kev ntim khoom siv zaj duab xis kub yog tias ua ntej ntim, cov tais diav qab zib pulp yuav raug npog nrog zaj duab xis pob tshab rau sab nraud ntawm cov tais diav, thiab tom qab ntawd cua sov kom ntsws zaj duab xis thiab kho nws rau ntawm qhov chaw ntawm cov tais diav. Kev ntim khoom siv zaj duab xis semi-shrink muaj kev ywj pheej ntau dua li kev ntim khoom siv zaj duab xis kub vim tias nws tsis npog tag nrho cov ntsiab lus ntawm cov tais diav nruj nreem thiab tuaj yeem ua kom pom cov tsos ntawm cov tais diav zoo dua. Txawm hais tias nws yog kev ntim khoom siv zaj duab xis kub lossis kev ntim khoom siv zaj duab xis semi-shrink, zaj duab xis kub ua cov khoom ntim khoom muaj ntau yam kev siv thiab qhov zoo. Ua ntej tshaj plaws, zaj duab xis kub muaj kev ncab zoo thiab plasticity thiab tuaj yeem hloov kho rau cov tais diav qab zib pulp ntawm ntau yam duab thiab qhov ntau thiab tsawg.

Cov zaj duab xis ntsws muaj qhov tsis kam rau kua muag thiab kev puas tsuaj siab, thiab tuaj yeem tiv thaiv cov tais diav kom tsis txhob sib tsoo thiab khawb. Tsis tas li ntawd, cov zaj duab xis ntsws tsis muaj dej noo, tsis muaj plua plav thiab tsis muaj kuab paug, uas tuaj yeem tswj tau qhov huv thiab zoo ntawm cov tais diav. Hais txog kev tiv thaiv ib puag ncig, cov zaj duab xis ntsws ntim khoom zoo dua li cov yas ntim khoom ib txwm muaj. Thiab qhov tuab ntawm cov zaj duab xis ntsws tuaj yeem hloov kho raws li qhov xav tau kom tsis txhob muaj pov tseg tsis tsim nyog. Tsis tas li ntawd, cov zaj duab xis ntsws feem ntau yog ua los ntawm cov khoom siv zoo rau ib puag ncig thiab yooj yim rau kev puas tsuaj thiab rov ua dua tshiab. Qhov sib txawv, cov khoom ntim yas ib txwm muaj feem ua rau muaj kuab paug thiab ua rau ib puag ncig puas tsuaj, cuam tshuam tsis zoo rau ib puag ncig.

Hauv kev xaus, cov ntawv ntim khoom siv cua sov thiab cov ntawv ntim khoom siv semi-shrink yog cov txheej txheem ntim khoom siv rau cov tais diav qab zib, uas tsim nyog rau kev tiv thaiv cov tais diav thiab ua rau nws yooj yim nqa thiab khaws cia. Cov ntawv ntim khoom siv muaj cov ntawv thov zoo thiab cov txiaj ntsig zoo li cov khoom ntim, suav nrog kev ncab zoo, plasticity, tearing tsis kam thiab hnav tsis kam. Tsis tas li ntawd, cov ntawv ntim khoom siv kuj tseem tiv taus dej noo, tiv taus plua plav thiab tiv taus kuab paug, thiab tuaj yeem tswj tau qhov huv thiab zoo ntawm cov tais diav. Qhov tseem ceeb tshaj, cov ntawv ntim khoom siv shrink yog tus phooj ywg ib puag ncig ntau dua thiab tuaj yeem txo qhov kev siv cov khoom ntim yas thiab kev ua qias tuaj ib puag ncig.