Yuav Ua Li Cas Xaiv Polyurethane Casters Versus Roj Hmab Log

Lub elastomer ntawm polyurethane casters muaj cov khoom zoo xws li hnav tsis kam, tshuaj tiv thaiv corrosion, siab zog, siab elasticity, tsis tshua muaj siab tsis kam, muaj zog poob siab, tsim kua muag tsis kam, hluav taws xob tsis kam, siab load-bearing muaj peev xwm, thiab poob siab absorbing thiab buffering. Polyurethane log muaj cov yam ntxwv zoo ntawm lub suab nrov, thiab tsis ua suab nrov thaum txav mus los, ua tiav cov txiaj ntsig ntsiag to. Cov yam ntxwv ntawm polyurethane log thiab PU log yog qhov tsim nyog zoo li casters.
Polyurethane casters feem ntau muab faib ua peb hom: hom polyester, hom polyether, thiab polycaprolactone hom. Feem ntau hais lus, hom polyester feem ntau yog siv rau hauv qis mus rau nruab nrab hardness roj hmab rollers, nrog lub cev muaj zog thiab hnyav hnyav, thiab feem ntau siv hauv kev lag luam hlau tsis muaj hlau. Polyether hom yog feem ntau siv nyob rau hauv kev kub ceev thiab siab hardness roj hmab rollers. Nws muaj kev tiv thaiv dej zoo heev, tsis muaj qhov kub thiab txias, thiab yooj yim los tswj cov txheej txheem kev ua haujlwm. Nws yog feem ntau siv los tsim cov duab kos duab, luam ntawv rollers, thiab lwm yam. Polycaprolactone hom muaj kev ua tau zoo tshaj plaws, kev ua haujlwm zoo rau qis kub thiab hydrolysis, thiab feem ntau yog siv los ua tus nias rau cov menyuam thiab cov roj hmab log nrog cov kev xav tau siab.
Cov yam ntxwv thiab hom polyurethane casters: Cam khwb cia polyurethane roj hmab log yog ib hom roj hmab log tsim los ntawm pouring kua roj hmab. Piv nrog cov roj hmab zoo tib yam, nws muaj zog dua txhua yam, hnav tsis kam, thiab compression tsis kam; Ntau yam ntawm hardness, thiab tseem muaj siab elasticity nyob rau hauv siab hardness; High nto smoothness; Kev ua tau zoo tshaj plaws; Qhov adhesion rau hlau kuj yog ntau dua li qhov qub, ua rau nws tsim nyog rau kev siv nyob rau hauv qee qhov linear speeds thiab high pressures. Tsis ntev los no, polyurethane roj hmab log tau tsim sai heev, thiab ntau ntawm cov roj hmab zoo tib yam uas tau siv yav dhau los tau hloov los ntawm hom tshiab ntawm polyurethane roj hmab log.
Cov yam ntxwv ntawm cov roj hmab log: 1. Thaum cov khoom siv roj hmab tau tsim, lawv raug compressed nyob rau hauv siab. Vim lub cev muaj zog cohesive ntawm lub cev elastic, lawv tsis tuaj yeem raug tshem tawm. Thaum lub sij hawm molding thiab demolding txheej txheem, shrinkage tsis ruaj tsis khov (lub shrinkage tus nqi ntawm cov roj hmab txawv nyob ntawm seb hom roj hmab) feem ntau tshwm sim, thiab nws yuav tsum mus dhau ib lub sij hawm ua ntej nws yuav maj mam thiab ruaj khov. Yog li, thaum pib ntawm kev tsim cov khoom siv roj hmab, tsis hais tus qauv los yog pwm, yuav tsum tau ua tib zoo xam thiab sib koom ua ke. Yog tias tsis yog, nws yooj yim ua rau cov khoom lag luam loj tsis ruaj khov, ua rau txo qis ntawm cov khoom zoo.