I-Sheath yekhebula (eyaziwa nangokuthi i-Outer Sheath noma i-Sheath) isendlalelo sangaphandle sekhebula, ikhebula, noma ucingo, njengesithiyo esibaluleke kakhulu ekushiseni okwenzeka kwangaphandle, ukuvikela ikhebula ekushiseni kwangaphakathi, okubandayo, noma okumanzi, ukulimala kwamakhemikhali kanye nangemva kokufakwa. Ukuhlelwa kwekhebula akuhloselwe ukubuyisela ukuqiniswa ngaphakathi kwekhebula, kepha kunganikeza futhi nezinga eliphakeme lokuvikelwa okulinganiselwe. Ngaphezu kwalokho, i-Sheath yekhebula nayo ingalungisa ukwakheka kanye nefomu lomqhubi ogaxekile, kanye nesendlalelo sokuvikela (uma ekhona), ngaleyo ndlela kunciphise ukuphazanyiswa ngokuhambisana kwe-electromagnetic (EMC). Lokhu kubalulekile ukuqinisekisa ukudluliswa kwamandla okungaguquki kwamandla, isiginali, noma idatha ngaphakathi kwekhebula noma ngocingo. I-Sheaning nayo idlala indima ebalulekile ekunciphiseni kwezintambo nezintambo.
Kunezinhlobo eziningi zezinto zokwenziwa zekhebula, izinto ezisetshenziswayo ezisetshenziswayo zekhebula -I-cyarlinked polyethylene (XLPE), i-polytetrafluoroethylene (PTFE), i-fluolinated ethylene propylene (Fep), i-mpororooroxy resin (PFA), i-polyurethane (i-pur),polyethylene (pe), i-thermoplastic elastomer (TPE) futhiI-Polyvinyl Chloride (PVC), Ngamunye abe nezimpawu zokusebenza ezahlukahlukene.
Ukukhethwa kwezinto zokusetshenziswa eziluhlaza zokufuthelwa ikhebula kumele kuqala kubhekwe ukuzivumelanisa nezimo emvelweni kanye nokuhambisana kokusetshenziswa kwezixhumi. Isibonelo, izindawo ezibandayo kakhulu zingadinga ukuheha ikhebula okuhlala kuvumelana nezimo emazingeni okushisa aphansi kakhulu. Ukukhetha izinto ezifanele zokubopha kubalulekile ekunqumeni ikhebula elihle kakhulu le-Optical ngesicelo ngasinye. Ngakho-ke, kubalulekile ukuqonda kahle ukuthi iyiphi inhloso ikhebula noma ucingo olufanele okufanele luhlangane nokuthi yiziphi izidingo okufanele zihlangane nazo.
I-Polyvinyl Chloride (PVC)Ingabe impahla esetshenziswa kaningi yokufudumala ikhebula. Kwenziwe nge-polyvinyl chloride esekelwe resin, engeza i-stabilizer, ipulasitiki, ama-filler ama-inorganic anjenge-calcium carbonate, izengezo kanye nokuthambisa, njll. Inezakhiwo ezinhle zomzimba, ezenziwe ngomshini kanye nezikagesi, ngenkathi inokumelana kwesimo sezulu okuhle kanye nokuqina kwesimo sezulu, kungathuthukisa futhi ukusebenza kwayo ngokungeza izithasiselo ezahlukahlukene, ezifana ne-flame retardant, ukumelana nokushisa nokunye.
Indlela yokukhiqiza ye-PVC Cable Sheath ukwengeza izinhlayiya ze-PVC kuya ku-extred.
Izinzuzo ze-PVC Cable Jacket zishibhile, kulula ukucubungula futhi zifake, kanye nohlobo oluthile lwezicelo. Ivame ukusetshenziswa kumakhebuli aphansi ama-voltage, izintambo zokuxhumana, izintambo zokwakha kanye nezinye izinkambu. Kodwa-ke, ukumelana kwamazinga okushisa okuphezulu, ukumelana okubandayo, ukumelana kwe-UV nezinye izakhiwo ze-PVC Sheathing zibuthakathaka, ziqukethe izinto eziyingozi emvelweni nasemzimbeni womuntu, futhi kunezinkinga eziningi lapho zisetshenziswa ezindaweni ezikhethekile. Ngokuthuthuka kokuqwashisa kwemvelo kwabantu kanye nokwenza ngcono kwezidingo zokusebenza kwezinto ezibonakalayo, izidingo eziphakeme zibekwe phambili ezintweni ze-PVC. Ngakho-ke, kwezinye izindawo ezikhethekile, njengendiza, i-aerospace, amandla enuzi kanye nezinye izinkambu, ukubheja ikhebula le-PVC kusetshenziswa ngokucophelela.
Polyethylene (pe)kuyinto ejwayelekile ye-sheath Sheath. Inezakhiwo ezinhle zemishini kanye nokuqina kwamakhemikhali, futhi inokumelana nokushisa okuhle, ukumelana nokubandakanyeka nokumelana nesimo sezulu. I-Cable Sheath ye-PE ingathuthukiswa ngokungeza izengezo, njengama-antioxidants, ama-UV athinta, njll.
Indlela yokukhiqiza ye-Pe Cable Sheath iyafana naleso ye-PVC, futhi izinhlayiyana ze-PE zingezwa ku-extruder futhi zikhishwe ngaphansi kwamazinga okushisa aphezulu nengcindezi yokwakha i-tubular sheath.
I-Cable Sheath ye-Cable inezinzuzo zokumelana nokuguga okuhle kwezemvelo kanye nokumelana kwe-UV, kuyilapho intengo iphansi, isetshenziswa kabanzi kumakhebuli abonakalayo, amakhebula aphansi amavozu, amakhebuli okuxhumana, izintambo zezimakha kanye nezinye izinkambu. I-polyethylene exhumekile (i-XLPE) i-Cable Sheath impahla enezinto eziphakeme ezisebenza ngogesi nezemishini. Kukhiqizwa ngezinto zokuxhumanisa izindwangu ezixhumanisa amazinga okushisa aphezulu. Ukuphendula okuwela ukusabela kungenza impahla ye-polyethylene yenze isakhiwo senethiwekhi enezici ezintathu, okwenza kube namandla aphezulu kanye nokumelana okushisa okuphezulu. I-XLPE Cable Sheathing isetshenziswa kabanzi emkhakheni wezintambo eziphakeme ze-voltage, njengezintambo zokuhambisa, izinto, njll. Inezindawo ezinhle kakhulu zikagesi, amandla omshini kanye nokuqina okushisa okuhle nokuphikiswa kwesimo sezulu.
I-Polyurethane (i-pur)Kubhekiswa eqenjini lamapulasitiki athuthukiswe ngasekupheleni kwawo-1930s. Kukhiqizwa yinqubo yamakhemikhali ebizwa nge-Polymerization. Izinto ezivuthiwe zivame ukuba yi-petroleum, kepha izinto zezitshalo ezinjengamazambane, ama-corn noma ama-beet angasetshenziswa nasekukhiqizweni kwawo. I-PIR yinto evame ukusetshenziswa ikhebula. Kuyinto ebaluleke kakhulu enobuhlakani obuhle kakhulu be-bread, ukumelana nokuguga, ukumelana kawoyela kanye nokuphikiswa kwe-acid kanye ne-alkali, ngenkathi unamandla amahle emishini kanye nezakhiwo zokuvuselela okunwebekile. I-Sheth Sheath ye-Purn ingathuthukiswa ngokungeza izengezo ezahlukahlukene, ezinjenge-Flame Retadantrants, ama-ejenti aphezulu okumelana nokushisa, njll.
Indlela yokukhiqiza ye-Purn Cable Sheath yokwengeza izinhlayiyana ezisuselwa ku-extruder futhi ikhiphe ngaphansi kokushisa okuphezulu kanye nengcindezi yokwakha i-tubular cable sheath. I-Polyurethane inezakhiwo ezinhle kakhulu zemishini.
Izinto ezibonakalayo zinokumelana kahle nokuqina kokuqina, ukusika ukumelana nokumelana nezinyembezi, futhi kuhlala kuvumelana nezimo okuguquguqukayo ngisho nasemazingeni aphansi. Lokhu kwenza i-pur ilungele ikakhulukazi izinhlelo zokusebenza ezidinga ukunyakaza okunamandla nezidingo zokugoba, njengokudonsa amaketanga. Kuzinhlelo zokusebenza ze-robotic, amakhebuli ane-purphung angakwazi ukubekezelela izigidi zemijikelezo egoba noma amabutho aqinile okuhlobisa ngaphandle kwezinkinga. I-Pur futhi imelana namafutha aqinile kumafutha, izixazululo nemisebe ye-ultraviolet. Ngaphezu kwalokho, ngokuya ngokwakheka kwezinto ezibonakalayo, i-halogen-free retardant, okuyinqubo ebalulekile yezintambo eziqinisekisiwe eziqinisekisiwe ze-ul futhi ezisetshenzisiwe e-United States. Izintambo zokuhlanza zivame ukusetshenziswa emshinini nasekwakhiweni kwefekthri, ezenzakalelayo zezimboni, kanye nomkhakha wezimoto.
Yize i-pur cable Sheath inezakhiwo ezinhle zomzimba, ezenziwe ngomshini kanye namakhemikhali, intengo yayo iphakeme kakhulu futhi ayilungele izikhathi ezibiza kakhulu, ezikhiqizwayo.
I-Polyurethane Thermoplastic Elastomer (TPU)kuvame ukusetshenziswa ikhebula lekhebula. Okuhlukile ku-Polyurethane Elastomer (i-pur), i-TPU iyinto e-thermoplastic materactical ngokucibilikisa okuhle kanye neplastiki.
I-TPU Cable Sheath inokuvimbela okuhle kokugqokwa, ukumelana kawoyela, i-acid kanye nokuphikiswa kwe-alkali kanye nokumelana kwesimo sezulu, futhi kunamandla okubuyisana okuhle nokusebenza okulula, okungahle kuvumelane nokuhamba okuyinkimbinkimbi kwemishini kanye nokudlidliza imvelo.
I-TPU Cable Sheath yenziwa ngokungeza izinhlayiya ze-TPU ku-extruder futhi ikhiphe ngaphansi kokushisa okuphezulu kanye nengcindezi yokwenza ikhebula le-tubular.
I-Sheathing ye-TPU isetshenziswa kabanzi ezenzakalweni zezimboni, imishini yamathuluzi womshini, amasistimu wokulawula ukunyakaza, amarobhothi kanye nezinye izinkambu, kanye nezimoto, imikhumbi kanye nezinye izinkambu. Inokumelana okuhle kokuvikeleka nokusebenza kokubuyiselwa okunwebekile, kungavikela ngempumelelo ikhebula, kepha futhi inokumelana okuhle kakhulu kwezinga lokushisa kanye nokumelana okuphansi kokushisa.
Uma kuqhathaniswa ne-pur, i-tPU ikhebula cable inenzuzo yokusebenza okuhle kokusebenza kanye ne-plastiki, engazivumelanisa nezimo eziningi zekhebula nezidingo zokwakheka. Kodwa-ke, intengo ye-TPU Sheaning ephakeme iphakeme kakhulu, futhi ayilungele izikhathi ezibiza kakhulu, ezikhiqizwayo.
I-Silicone Rubber (PU)kuvame ukusetshenziswa ikhebula lekhebula. Kuyinto impahla ye-organic polymer, ebhekisa eqoqweni eliyinhloko elakhiwa ama-silicon nama-athomu omoya-mpilo ngokuhlukile, futhi i-athomu le-silicon ivame ukuxhunyaniswa namaqembu amabili enjoloba. Irabha elijwayelekile le-silicone lakhiwa ikakhulukazi amaketanga e-silicone aqukethe amaqembu we-methyl kanye nenani elincane le-vinyl. Ukwethulwa kweqembu le-Phenyl kungathuthukisa ukumelana okuphezulu nokuphansi kwezinga lokushisa kwerabha le-silicone, futhi ukwethulwa kweTrifluoropropyl kanye neqembu laseChanide kungathuthukisa ukumelana nokushisa kwensimbi ye-silicone. I-PU inokumelana okuhle okushisa okuphezulu, ukumelana nokubandakanyeka nokumelana oxidation, futhi kuthambe futhi izakhiwo ezinhle zokuthola kabusha. I-Silicone Rubber Cable Sheath ingathuthukisa ukusebenza kwayo ngokungeza izengezo ezahlukahlukene, ezifana nama-ejenti avimbela ukugqoka, ama-ejenti amelana namafutha, njll.
Indlela yokukhiqiza ye-Silicone Rubber Cable Sheath yokwengeza ingxube ye-silicone Rubber ku-extruder futhi icishe ngaphansi kokushisa okuphezulu nengcindezi yokwakha i-tubular sheath. I-Silicone Rubber Cable Sheath isetshenziswa kabanzi ekushiseni okuphezulu kanye nengcindezi ephezulu, izidingo zokumelana nesimo sezulu, ezinjenge-aerospace, izitshalo zamandla enuzi, ama-petrochemical, ezempi kanye nezinye izinkambu.
Inokumelana kahle nokumelana okuphezulu okuphezulu kanye nokumelana ne-oxidation, kungasebenza ngokuqinile ekushiseni okuphezulu, ingcindezi ephezulu, imvelo eqinile yokugqwala, kepha futhi inamandla okubuyisana okuhle nokusebenza kokubuyiselwa okulula, kungahle kube nokuzivumelanisa nokunyakaza okuyinkimbinkimbi kwemvelo kanye nemvelo yokudlidliza.
Uma kuqhathaniswa nezinye izinto zekhebula ezi-sheaving, i-Silicone Rubber Cable Sheaning inokumelana nezinga lokushisa okuphezulu kanye nokumelana ne-oxidation, kepha futhi inokuthamba okuhle nokusebenza okulula okulula, kufanelekile izindawo eziwusizo eziwusizo. Kodwa-ke, intengo ye-Silicone Rubber rubber shiv sheath iphakeme kakhulu, futhi ayilungele izindleko ezibiza kakhulu, izikhathi zokukhiqizwa ngobuningi.
Polytetrafluoroethylene (PTFE)Ingabe impahla esetshenziswa kaningi yekhebula. Kuyinto impahla ye-polymer enokumelana okuhle kakhulu kokugqwala, ukumelana kwamazinga okushisa okuphezulu kanye nokumelana kwamakhemikhali, futhi kungasebenza ngokuqinile ekushiseni okuphezulu kakhulu, ingcindezi ephezulu yokugqwala kanye nezindawo ezinamandla zokugqwala. Ngaphezu kwalokho, ama-plastics we-fluorine abuye abe nezindawo ezinhle zokubuyisa amalangabi kanye nokugqoka.
Indlela yokukhiqiza ye-Fluorine yekhebula lekhebula le-fluorine ukwengeza izinhlayiya zepulasitiki ze-fluder ku-extruder futhi zikhiphe ngaphansi kokushisa okuphezulu kanye nengcindezi yokwenza i-tubular sheath.
I-Fluorine ye-Plastic Cable Sheath isetshenziswa kabanzi e-Aerospace, izitshalo zamandla enuzi, ama-petrochemical kanye nezinye izinkambu eziphakeme, kanye nezinkomo ze-semiconductors, ukuxhumana kwe-optical kanye nezinye izinkambu. Inokumelana kahle nokugqwala okuphezulu kanye nokumelana okushisa okuphezulu, kungasebenza ngokuqinile ekushiseni okuphezulu, ingcindezi ephezulu, imvelo eqinile ye-cororical isikhathi eside, kepha futhi inamandla okubuyiselwa okuhle, ingahle ijwayele ukunyakaza okuyinkimbinkimbi kwendawo kanye nokudlidliza imvelo.
Uma kuqhathaniswa nezinye izinto ze-sheath zekhebula, i-fluorine yepulasitiki ikhebula i-Sheath inokuphikiswa okuphezulu kokugqwala kanye nokumelana okushisa okuphezulu, ilungele izindawo ezisebenza ngokweqile. Kodwa-ke, intengo ye-fluoroorine yekhebula lekhebula le-fluorine iphakeme kakhulu, futhi ayilungele izikhathi ezibiza kakhulu, izikhathi zokukhiqizwa ngobukhulu.
Isikhathi Sokuthumela: Oct-14-2024