Zaɓan Madaidaicin Kayan Kebul na Sheath: Nau'i da Jagorar Zaɓi

Kebul Sheath (wanda aka fi sani da sheath na waje ko sheath) shine mafi girman Layer na kebul, kebul na gani, ko waya, a matsayin mafi mahimmancin shinge a cikin kebul don kare amincin tsarin ciki, kare kebul daga zafi na waje, sanyi, rigar, ultraviolet, ozone, ko sinadarai da lalacewar injiniya yayin da bayan shigarwa. Kebul sheathing ba ana nufin maye gurbin ƙarfafawa a cikin na USB, amma kuma za su iya samar da wani fairly high matakin na iyaka kariya. Bugu da kari, kullin kebul na iya gyara siffa da nau'in madubin da aka makale, da ma'aunin garkuwa (idan akwai), ta haka zai rage tsangwama ga karfin wutar lantarki na kebul (EMC). Wannan yana da mahimmanci don tabbatar da daidaiton watsa wuta, sigina, ko bayanai a cikin kebul ko waya. Sheathing kuma yana taka muhimmiyar rawa wajen dorewar igiyoyi da wayoyi.

Akwai nau'ikan kayan kumfa na USB da yawa, abubuwan da aka saba amfani da su sune -Polyethylene crosslinked (XLPE), polytetrafluoroethylene (PTFE), fluorinated ethylene propylene (FEP), perfluoroalkoxy guduro (PFA), polyurethane (PUR),polyethylene (PE), thermoplastic elastomer (TPE) dapolyvinyl chloride (PVC), Kowannensu yana da halaye na aiki daban-daban.

Zaɓin kayan albarkatu don suturar kebul dole ne a fara la'akari da daidaitawa ga muhalli da kuma dacewa da amfani da masu haɗawa. Misali, yanayin sanyi mai tsananin sanyi na iya buƙatar sheashen kebul wanda ya kasance mai sassauƙa a ƙananan yanayin zafi. Zaɓin madaidaicin kayan sheathing yana da mahimmanci don tantance mafi kyawun kebul na gani don kowane aikace-aikacen. Don haka, yana da mahimmanci a fahimci ainihin dalilin da kebul na gani ko waya dole ne ya cika da kuma waɗanne buƙatun dole ne ya cika. Polyvinyl Chloride (PVC)abu ne da aka saba amfani dashi don sheathing na USB. An yi shi da guduro tushen polyvinyl chloride, yana ƙara stabilizer, plasticizer, inorganic fillers kamar calcium carbonate, Additives da lubricants, da dai sauransu, ta hanyar hadawa da kneading da extrusion. Yana da kyawawan halaye na jiki, inji da lantarki, yayin da yake da kyakkyawan yanayin juriya da kwanciyar hankali na sinadarai, kuma yana iya haɓaka aikin sa ta hanyar ƙara abubuwa daban-daban, kamar su hana wuta, juriyar zafi da sauransu.

Hanyar samar da suturar kebul na PVC ita ce ƙara ɓarna na PVC zuwa ga extruder da fitar da su a ƙarƙashin babban zafin jiki da matsa lamba don samar da kumfa na USB na tubular.

Abubuwan amfani da jaket na USB na PVC suna da arha, sauƙin sarrafawa da shigarwa, da aikace-aikacen da yawa. Ana amfani da shi sau da yawa a cikin ƙananan igiyoyin lantarki, igiyoyin sadarwa, wayoyi na gine-gine da sauran filayen. Duk da haka, babban juriya na zafin jiki, juriya na sanyi, juriya na UV da sauran kaddarorin suturar kebul na PVC suna da rauni sosai, suna ɗauke da abubuwa masu cutarwa ga muhalli da jikin ɗan adam, kuma ana samun matsaloli da yawa idan aka yi amfani da su zuwa wurare na musamman. Tare da haɓaka wayar da kan muhalli na mutane da haɓaka buƙatun kayan aiki, an gabatar da buƙatu mafi girma don kayan PVC. Don haka, a wasu wurare na musamman, kamar su jiragen sama, sararin samaniya, makamashin nukiliya da sauran fagage, ana amfani da sheathing na USB a hankali. Polyethylene (PE)abu ne na kowa na USB sheath abu. Yana da kyawawan kaddarorin inji da kwanciyar hankali na sinadarai, kuma yana da kyakkyawan juriya na zafi, juriya na sanyi da juriya na yanayi. Za a iya inganta kumfa na USB na PE ta hanyar ƙara abubuwan da suka dace, irin su antioxidants, UV absorbers, da dai sauransu.

Hanyar samar da kumfa na PE na USB yana kama da na PVC, kuma ana ƙara ƙwayoyin PE zuwa extruder kuma suna fitar da su a ƙarƙashin babban zafin jiki da matsa lamba don samar da suturar tubular.

PE na USB Sheath yana da fa'idodi na kyakkyawan juriya na tsufa na muhalli da juriya na UV, yayin da farashin yana da ƙarancin ƙasa, ana amfani da shi sosai a cikin kebul na gani, ƙananan igiyoyin lantarki, igiyoyin sadarwa, igiyoyin ma'adinai da sauran filayen. Polyethylene mai haɗin haɗe-haɗe (XLPE) abu ne mai kumfa na USB tare da manyan kayan lantarki da na inji. Ana samar da shi ta hanyar haɗin haɗin polyethylene a babban yanayin zafi. Halin haɗin kai zai iya sa kayan polyethylene su zama tsarin cibiyar sadarwa mai girma uku, wanda ya sa ya sami ƙarfin ƙarfi da ƙarfin zafi. XLPE na USB sheathing ana amfani da ko'ina a fagen high irin ƙarfin lantarki igiyoyi, kamar watsa Lines, substations, da dai sauransu Yana da kyau kwarai lantarki Properties, inji ƙarfi da kuma sinadaran kwanciyar hankali, amma kuma yana da kyau kwarai zafi juriya da yanayin juriya.

Polyurethane (PUR)yana nufin ƙungiyar robobi da aka haɓaka a ƙarshen 1930s. Ana samar da shi ta hanyar sinadari mai suna ƙari polymerization. Yawan danyen man fetur ne, amma ana iya amfani da kayan shuka irin su dankali, masara ko beets na sukari wajen samar da shi. PUR abu ne da aka saba amfani da shi na sheathing na USB. Yana da wani elastomer abu tare da kyau kwarai lalacewa juriya, tsufa juriya, mai juriya da acid da alkali juriya, yayin da mai kyau inji ƙarfi da na roba dawo da Properties. Za a iya inganta kumfa na USB na PUR ta hanyar ƙara abubuwa daban-daban, irin su masu kare wuta, manyan ma'aikatan zafin jiki, da dai sauransu.

Hanyar samar da kebul na USB na PUR shine don ƙara ƙwayoyin PUR zuwa wani extruder da kuma fitar da su a ƙarƙashin babban zafin jiki da matsa lamba don samar da suturar tubular. Polyurethane yana da kayan aikin injiniya na musamman.

Kayan yana da kyakkyawan juriya na lalacewa, yanke juriya da juriya, kuma ya kasance mai sassauƙa sosai har ma a ƙananan yanayin zafi. Wannan ya sa PUR ya dace musamman don aikace-aikacen da ke buƙatar motsi mai ƙarfi da buƙatun lanƙwasawa, kamar sarƙoƙi na ja. A cikin aikace-aikacen mutum-mutumi, igiyoyi tare da sheathing PUR na iya jure wa miliyoyin hawan keke ko ƙarfi mai ƙarfi ba tare da matsala ba. PUR kuma yana da ƙarfin juriya ga mai, kaushi da hasken ultraviolet. Bugu da ƙari, dangane da abun da ke cikin kayan, ba shi da halogen-free da harshen wuta, waɗanda suke da mahimmancin ma'auni na igiyoyi waɗanda ke da UL bokan da amfani da su a Amurka. Ana amfani da igiyoyin PUR a cikin injina da ginin masana'anta, sarrafa kansa na masana'antu, da masana'antar kera motoci.

Kodayake kumfa na USB na PUR yana da kyawawan kayan aikin jiki, inji da sinadarai, farashinsa yana da girma kuma bai dace da ƙananan farashi ba, lokutan samar da taro. Polyurethane thermoplastic elastomer (TPU)abu ne da aka saba amfani da shi na sheathing na USB. Daban-daban daga polyurethane elastomer (PUR), TPU wani abu ne na thermoplastic tare da kyakkyawan tsari da filastik.

TPU na USB Sheath yana da juriya mai kyau, juriya na man fetur, juriya na acid da alkali da juriya na yanayi, kuma yana da ƙarfin injiniya mai kyau da aikin farfadowa na roba, wanda zai iya daidaitawa zuwa hadaddun motsi na inji da yanayin girgiza.

Ana yin kumfa na USB na TPU ta ƙara ƙwayoyin TPU zuwa wani extruder da fitar da su a ƙarƙashin babban zafin jiki da matsa lamba don samar da kumfa na USB.

Ana amfani da sheathing na TPU da yawa a cikin sarrafa kansa na masana'antu, kayan aikin injin, tsarin sarrafa motsi, robots da sauran filayen, da motoci, jiragen ruwa da sauran filayen. Yana da kyakkyawan juriya na lalacewa da aikin dawowa na roba, yana iya kare kebul yadda ya kamata, amma kuma yana da kyakkyawan juriya na zafin jiki da ƙarancin zafin jiki.

Idan aka kwatanta da PUR, TPU na USB sheathing yana da fa'idar aiki mai kyau da kuma filastik, wanda zai iya daidaitawa da ƙarin girman kebul da buƙatun siffar. Duk da haka, farashin TPU na USB sheathing yana da inganci, kuma bai dace da ƙananan farashi ba, lokutan samar da taro.

Silicone roba (PU)abu ne da aka saba amfani da shi na sheathing na USB. Yana da wani kwayoyin polymer abu, wanda ke nufin babban sarkar hada da silicon da oxygen atom a madadin, kuma silicon atom yawanci hade da biyu Organic kungiyoyin roba. Rubber silicone na yau da kullun ya ƙunshi sarƙoƙi na silicone mai ɗauke da ƙungiyoyin methyl da ƙaramin adadin vinyl. Gabatarwar ƙungiyar phenyl na iya inganta haɓakar juriya da ƙarancin zafin jiki na roba na silicone, kuma gabatarwar ƙungiyar trifluoropropyl da cyanide na iya haɓaka juriya da juriya na mai na silicone roba. PU yana da kyakkyawan juriya na zafin jiki, juriya mai sanyi da juriya na iskar shaka, kuma yana da kyawawan laushi da kaddarorin dawo da na roba. Sheath na USB na siliki na iya inganta aikin sa ta hanyar ƙara abubuwa daban-daban, irin su wakilai masu jurewa, masu jure mai, da sauransu.

Hanyar samar da kebul na roba na siliki shine don ƙara cakuda siliki na roba zuwa ga extruder da fitar da shi a ƙarƙashin babban zafin jiki da matsa lamba don samar da kumfa na USB na tubular. Silicone roba kwasfa na USB ana amfani da ko'ina a high zafin jiki da kuma high matsa lamba, yanayi juriya bukatun, kamar sararin samaniya, nukiliya ikon shuka, petrochemical, soja da sauran filayen.

Yana da kyau high zafin jiki juriya da hadawan abu da iskar shaka juriya, iya aiki stably a high zafin jiki, high matsa lamba, karfi lalata yanayi, amma kuma yana da kyau inji ƙarfi da na roba dawo da yi, iya daidaita da hadaddun inji motsi da vibration yanayi.

Idan aka kwatanta da sauran na USB sheathing kayan, silicone roba na USB sheathing yana da mafi girma zafin jiki juriya da hadawan abu da iskar shaka juriya, amma kuma yana da kyau taushi da kuma na roba dawo da yi, dace da mafi hadaddun aiki yanayin. Duk da haka, farashin silicone rubber na USB sheath yana da inganci, kuma bai dace da ƙananan farashi ba, lokutan samar da taro. Polytetrafluoroethylene (PTFE)abu ne da aka saba amfani da shi na sheathing na USB, wanda kuma aka sani da polytetrafluoroethylene. Abu ne na polymer tare da kyakkyawan juriya na lalata, juriya mai zafin jiki da juriya na sinadarai, kuma yana iya aiki da ƙarfi a cikin matsanancin zafin jiki, matsa lamba mai ƙarfi da yanayin lalata. Bugu da kari, robobin fluorine suma suna da kyawawan kaddarorin hana wuta da juriya.

Hanyar samar da filastin filastik na USB shine don ƙara barbashi filastik na fluorine zuwa extruder da fitar da su a ƙarƙashin matsanancin zafin jiki da matsa lamba don samar da kullin igiyoyi na tubular.

Fluorine filastar kebul na USB ana amfani dashi ko'ina a sararin samaniya, masana'antar makamashin nukiliya, petrochemical da sauran manyan filayen, da semiconductor, sadarwa na gani da sauran fannoni. Yana da kyakkyawan juriya na lalata da juriya mai zafi, yana iya aiki da ƙarfi a cikin babban zafin jiki, matsanancin matsin lamba, yanayin lalata mai ƙarfi na dogon lokaci, amma kuma yana da ƙarfin injina mai kyau da aikin dawo da na roba, yana iya daidaitawa zuwa hadadden motsi na inji da yanayin girgiza.

Idan aka kwatanta da sauran kayan kumfa na USB, kullin filastik na fluorine yana da juriya mafi girma da juriya na zafin jiki, dacewa da matsanancin yanayin aiki. Duk da haka, farashin fluorine filastar kebul na USB yana da inganci, kuma bai dace da ƙananan farashi ba, lokutan samar da taro.