Polyethylene (PE) ana amfani dashi sosai a cikin kayanrufi da sheathing na wutar lantarki da igiyoyin sadarwasaboda kyakkyawan ƙarfin injinsa, ƙarfinsa, juriya na zafi, rufi, da kwanciyar hankali na sinadarai. Koyaya, saboda halayen tsarin PE kanta, juriyarsa ga fashewar damuwa muhalli ba shi da kyau. Wannan batu ya zama sananne musamman lokacin da ake amfani da PE azaman babban kumfa na igiyoyi masu sulke.
1. Makani na PE Sheath Cracking
PE sheath fatattaka yafi faruwa a cikin yanayi biyu:
a. Tsatsawar Damuwar Muhalli: Wannan yana nufin abin da ya faru inda kwas ɗin ke samun tsinkewa daga saman saboda haɗuwa da damuwa ko fallasa ga kafofin watsa labarai na muhalli bayan shigarwa na USB da aiki. An samo shi da farko saboda damuwa na ciki a cikin kube da tsayin daka ga ruwayen igiya. Bincike mai zurfi akan gyare-gyaren kayan aiki ya warware ƙwaƙƙwaran irin wannan fashewar.
b. Matsakaicin Matsala na Injini: Wannan yana faruwa ne saboda ƙarancin tsari a cikin kebul ko tsarin fitar da sheath ɗin da bai dace ba, wanda ke haifar da babban taro na damuwa da nakasar da ta haifar da fashewa yayin shigarwa na USB. Wannan nau'in fashewa ya fi fitowa fili a cikin manyan kwalayen ƙarfe na igiyoyi masu sulke na tef.
2. Dalilan PE Sheath Cracking da Ingantattun Matakan
2.1 Tasirin KebulKarfe TefTsarin
A cikin igiyoyi masu girman diamita na waje, Layer ɗin sulke yawanci ya ƙunshi naɗaɗɗen tef ɗin ƙarfe mai Layer Layer biyu. Dangane da diamita na waje na kebul, kauri na tef ɗin ƙarfe ya bambanta (0.2mm, 0.5mm, da 0.8mm). Kaset ɗin ƙarfe masu sulke masu kauri suna da tsauri mafi girma da ƙarancin filastik, yana haifar da tazara mai girma tsakanin manyan yadudduka na sama da ƙasa. A lokacin extrusion, wannan yana haifar da bambance-bambance masu mahimmanci a cikin kaurin kube tsakanin babba da ƙananan yadudduka na saman rufin sulke. Yankunan sheath na bakin ciki a gefuna na tef ɗin ƙarfe na waje suna fuskantar mafi girman damuwa kuma sune wuraren farko inda fashewar gaba zata faru.
Don rage tasirin tef ɗin ƙarfe mai sulke akan babban kube na waje, an nannade ko fidda wani kauri mai kauri tsakanin tef ɗin ƙarfe da kwafin PE. Wannan Layer na buffer ya kamata ya zama mai yawa iri ɗaya, ba tare da wrinkles ko protrusions ba. Bugu da kari na buffering Layer inganta santsi tsakanin biyu yadudduka na karfe tef, tabbatar da uniform kauri na PE kwasfa, kuma, tare da ƙanƙancewa na PE sheath, rage ciki danniya.
ONEWORLD yana ba masu amfani da kauri daban-daban nagalvanized karfe tef sulke kayandon biyan buƙatu iri-iri.
2.2 Tasirin Tsarin Samar da Kebul
Batutuwa na farko tare da tsarin extrusion na manyan diamita masu sulke na USB ba su da isasshen sanyaya, shirye-shiryen gyare-gyare mara kyau, da kuma wuce kima na shimfidawa, yana haifar da matsanancin damuwa na ciki a cikin kube. Manyan igiyoyi masu girma, saboda kauri da faffadan kumfa, sau da yawa suna fuskantar gazawa a tsayin da kuma yawan magudanan ruwa akan layukan da ake samarwa. Yin sanyi daga sama da digiri 200 a ma'aunin celcius yayin extrusion zuwa zafin daki yana haifar da kalubale. Rashin isasshen sanyaya yana haifar da wani kumfa mai laushi kusa da layin sulke, yana haifar da zazzagewa a saman kus ɗin lokacin da kebul ɗin ya naɗe, yana haifar da yuwuwar tsagawa da karyewa yayin shimfiɗa na USB saboda ƙarfin waje. Bugu da ƙari, rashin isasshen sanyaya yana ba da gudummawa ga ƙara ƙarfin raguwa na ciki bayan murɗawa, yana haɓaka haɗarin fashe kubewa a ƙarƙashin ƙarfin ƙarfin waje. Don tabbatar da isasshen sanyaya, ana ba da shawarar ƙara tsayi ko ƙarar magudanan ruwa. Rage saurin extrusion yayin da ake kiyaye filastik sheath daidai da ba da isasshen lokaci don sanyaya yayin murɗa yana da mahimmanci. Bugu da ƙari, la'akari da polyethylene a matsayin polymer crystalline, hanyar rage yawan zafin jiki na yanki, daga 70-75 ° C zuwa 50-55 ° C, kuma a ƙarshe zuwa zafin jiki, yana taimakawa wajen rage damuwa na ciki yayin aikin sanyaya.
2.3 Tasirin Radius na Coiling akan Coiling na USB
A lokacin murɗa na USB, masana'antun suna bin ƙa'idodin masana'antu don zaɓar madaidaicin reels na bayarwa. Koyaya, ɗaukar tsayin isarwa don manyan igiyoyin diamita na waje yana haifar da ƙalubale wajen zaɓar reels masu dacewa. Don saduwa da ƙayyadadden tsayin isarwa, wasu masana'antun suna rage diamita na ganga, wanda ke haifar da rashin isassun radiyoyin lanƙwasa don kebul. Lankwasawa mai yawa yana haifar da ƙaura a cikin yadudduka na sulke, yana haifar da ƙarfin juzu'i akan kube. A cikin lokuta masu tsanani, burbushin ƙwanƙarar sulke na sulke na iya huda shimfiɗar matashin kai tsaye, tare da haɗa kai tsaye cikin kube kuma yana haifar da tsagewa ko fissure a gefen ɗigon ƙarfe. A lokacin kwanciya na USB, lankwasa ta gefe da ƙarfin jawa sun sa kubu ya tsage tare da waɗannan fissures, musamman ma igiyoyin igiyoyi kusa da yadudduka na ciki, wanda ke sa su fi sauƙi ga karyewa.
2.4 Tasirin Gine-gine da Muhallin Shigarwa
Don daidaita ginin kebul, ana ba da shawarar rage saurin ɗorawa na USB, guje wa matsanancin matsin lamba na gefe, lankwasawa, ja da ƙarfi, da karon saman ƙasa, tabbatar da yanayin gini na wayewa. Zai fi dacewa, kafin shigarwa na USB, ba da damar kebul ɗin ya huta a 50-60 ° C don sakin damuwa na ciki daga kube. Ka guje wa tsawaita bayyanar da igiyoyi zuwa hasken rana kai tsaye, saboda yanayin zafi daban-daban a bangarori daban-daban na kebul na iya haifar da damuwa, yana kara haɗarin fashe kwasfa yayin kwanciya na USB.
Lokacin aikawa: Dec-18-2023