Polyurethane Ribbon Casting Tshuab System rau Roller Manufacturing yam tsis muaj Pwm cov cuab yeej

Tseeb lub xeev-of-the art polyurethane casting tshuab rau industrial rollers

Cov tshuab siv rau kev tsim cov menyuam me thiab loj siv polyurethane. Ib lub ribbon ntawm cov kua urethane yog siv rau lub rotating roller thiab txav mus thoob plaws cylindrical nto. Cov txheej txheem yog me ntsis zoo ib yam li tig, tab sis cov khoom siv yog siv es tsis txhob raug tshem tawm. Nws yog ua tau los tsim cov khaubncaws sab nraud povtseg rau txawv thicknesses rau tom ntej machining kom raug qhov ntev.

(1) Tsis zoo li TDI-Prepolymer uas twb muaj lawm, cov khoom siv polythene yog MDI-Prepolymer.

(2) Tshwj xeeb, MDI yog qhov xav tau ntau dua thiab ua rau cov dej noo ntau dua li TDI, yog li yuav tsum tau ceev faj tuav.

(3) Txawm tias thaum ntxiv cov khoom siv preheated rau lub tank, cov khoom siv raw inlet tsis qhib thiab lub qhov nkag tau kaw.

1. Yuav ua li cas nrog cov khoom siv raw

1-1 Npaj cov khoom siv raw

(1) Pre-heat polythene substrate thiab curing tus neeg saib xyuas lub nruas nyob rau hauv lub qhov cub hluav taws xob.

(2) Cov cua kub kub yog 45 degree rau 10 teev preheating.

(3) Nws yog ib lub tswv yim zoo rau preheat lub hardener nruas los ntawm tig nws.

(3) Nws yuav tsum muaj hnub nyoog ntawm chav tsev kub tsawg kawg ib lub lim tiam kom ua tiav cov khoom zoo.

(2) Nws feem ntau yuav siv li ib lub lim tiam los kho ntawm chav tsev kub.

Yog tias qhov no ua tsis tau, qaij nws me ntsis kom cov cua kub tuaj yeem faib ua tus sib npaug.

(4) Txij li thaum tus neeg sawv cev kho muaj ntau yam amines, nws yuav tsum tau nplawm kom huv si tom qab

mus rau hauv lub tank kom paub meej tias txawm dispersion.

1-2 Raw Material Properties

Cov yam ntxwv zoo

A/B=100/(107.5),(103.1),(82.7),(71),(62.2)

10

1,500

Siv lub tshuab nqus tsev vacuum rau hauv lub tank.

(4) Ntxiv cov hardener tib yam li hauv kauj ruam 3.

(5) Qhov no yog kom tsis txhob sib tov cov ntaub ntawv raw nrog atmospheric noo noo thaum inputing raw khoom.

(6) Cov kev ua haujlwm saum toj no yuav tsum tau ua nruj me ntsis txhawm rau txhawm rau ua kom zoo ib yam

thiab cov khoom ruaj khov los ntawm kev tawm mus los ntawm txoj hauv kev ntawm kev tuav raw khoom

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