Cov txheej txheem txheej txheem: cov txheej txheem tsim khoom ntawm Pu foamed log feem ntau muaj cov khoom sib xyaw PU (cov khoom A thiab cov khoom B) hauv lub xeev ntawm kev sib hloov centrifugal, nchuav rau hauv
pwm, foaming thiab kho los ntawm cov tshuaj tiv thaiv.
A. PU khoom sib xyaw;
Kev sib xyaw ua ke ntawm cov khoom A thiab cov khoom B yog xa mus rau lub taub hau rab phom los ntawm lub tshuab qis qis los ntawm lub twj tso kua mis precision metering, thiab kev sib xyaw tshuab yog
nqa tawm nyob rau hauv lub rotating ceev ntawm 4500 ~ 5000r / min kom cov ntaub ntawv ntawm tivthaiv A thiab tivthaiv B sib tov tusyees.
B. PU khoom ntim rau hauv pwm;
Cov pwm kub yog pab los ntawm hluav taws xob cua sov, thiab pwm kub tswj ntawm 45 ~ 55 degree. Ua ntej sau, pwm yuav tsum tau ntxuav, ces txau nrog tus neeg sawv cev tso tawm, thiab thaum kawg
kaw cov pwm thiab ntim nrog cov khoom PU.
C. Tswj lub sijhawm PU filling
Lub sij hawm ntim ntawm cov khoom yog teem rau 4.5 ~ 5.5 vib nas this. Thaum lub sij hawm tsim khoom, kev kho kom zoo yog ua raws li cov tsos ntawm cov log tsheb ntau lawm.