PVC yas hose muaj cov yam ntxwv ntawm cov khoom xws li tsis muaj xim thiab du, lub teeb yuag, zoo nkauj tsos, zoo tes zoo, thiab softness. Koj puas paub yuav ua li cas kom raug siv cov khoom siv yas hose?
1. Nws yog ib qho tsim nyog yuav tsum ntsuas ntau yam raw khoom thiab muab tso rau hauv cov khoom siv PVC yas hose kom raug. Cov khoom noj khoom haus yog: PVC resin, plasticizer, stabilizer, lubricant. Thaum qhov kub nce mus txog 100 degree -110 degree, cov khoom tuaj yeem tso tawm.
2. Nyob rau hauv cov txheej txheem ntawm kev ua haujlwm, qhov kub thiab txias yuav tsum tau tswj kom zoo. Lub ntsiab lus siab ntawm cov khoom siv kub yuav tsum tau tswj kom siab tshaj qhov kub ntawm cov khoom siv thiab qis dua qhov kub ntawm extruded tube forming kub. Nws raug pom zoo kom nyob nruab nrab ntawm 150 thiab 160 degree.
3. Lub extrusion molding kub yuav tsum siab dua me ntsis. Feem ntau hais lus, lub pob tshab ntawm cov tubing muaj qee qhov kev sib raug zoo nrog lub molding kub. Nyob rau hauv ib qho kev ntsuas kub, qhov kub thiab txias yog qhov zoo. Nyob rau tib lub sijhawm, ob qho tib si traction ceev thiab txias ceev yuav cuam tshuam rau lub pob tshab ntawm PVC yas hose.
4. Tom qab txhua qhov kev siv, nws yog ib qho tsim nyog yuav tsum tau ntxuav cov khoom siv yas hose kom zoo, uas yog qhov tsim nyog rau kev ua kom huv ntawm cov khoom siv.
