Yadda za a duba da gyara polyurethane hatimi tare da kyawawan kaddarorin?
Ana yin hatimin polyurethane daga roba tare da kyawawan kaddarorin masu zuwa:
Polyurethane hatimi yana da kyakkyawan elasticity, sa juriya, juriya na man fetur, juriya mai sanyi da ƙarfin ƙarfin ƙarfi, amma juriya na ruwa, musamman juriya na alkali, ba shi da kyau.Ana samun su a cikin vulcanised mai zafi, yanayin zafin ɗaki da nau'in narke mai zafi.Nau'in vulcanisation yanayin zafin ɗakin ya kasu kashi ɗaya da kashi biyu.Ana amfani da su sosai don kayan rufewa a cikin gine-gine da kuma rufewa a masana'antar mota.
Ganewa da kuma kula da polyurethane O-rings (hatimi): duba cewa abubuwan sarrafawa na hydraulic ba su da kuskure, kuma aikin kulawa ya shiga wurin makanta na dan lokaci.Watsawa da duba silinda mai tsayi na mariƙin kayan aiki, gano cewa hatimin hatimin mai “O” hatimin hatimin da'irar waje ya kasance ƙasa lebur, a lokaci guda kuma gano cewa girman da'irar fistan ba ta cika buƙatu ba (dalilan kera kayan aikin na'ura) , da diamita shugabanci ne kasa da misali size 0.8MM, da piston da Silinda yarda da jiki ne mai girma sosai, sakamakon a cikin a tsaye Silinda biyu rami m man.Kulawa lokacin da maye gurbin ƙwararrun fistan da “O-type” hatimi bayan na'urar buga matsala.Binciken dalilin yana cikin firam ɗin wuka da ke ƙasa a wurin a halin yanzu, firam ɗin wuka gaba ɗaya ta hanyar motsa jiki, za a iya rushe shi cikin yanayin matsa lamba, yanayin dawo da bawul mai saurin sarrafawa, tasirin yankin ƙarfi. .
Lokacin aikawa: Fabrairu-24-2023
