Lub tsho cable yog txheej txheej sab nraud ntawm lub cable.Nws ua haujlwm raws li qhov tseem ceeb tshaj plaws hauv cov kab hluav taws xob tiv thaiv kev nyab xeeb ntawm cov qauv sab hauv thiab tiv thaiv cov kab hluav taws xob los ntawm kev puas tsuaj thaum lub sijhawm thiab tom qab kev teeb tsa.Cable tsho tsis yog txhais tau tias yuav hloov cov cuab yeej cuab tam hauv lub cable, tab sis lawv tuaj yeem muab cov qib siab, txawm tias txwv, txhais tau tias kev tiv thaiv.Tsis tas li ntawd, lub tsho cable muab kev tiv thaiv los ntawm ya raws, tshuaj lom neeg, UV rays, thiab ozone.Yog li, dab tsi cov ntaub ntawv siv rau cable sheathing?
1. Cable sheath khoom: PVC
Cov ntaub ntawv cable yog cov khoom npaj los ntawm kev sib xyaw, kneading thiab extruding polyvinyl chloride ua lub hauv paus cob, ntxiv cov stabilizers, plasticizers, inorganic fillers xws li calcium carbonate, auxiliaries thiab lubricants.
PVC tuaj yeem tsim los siv rau ntau qhov chaw thiab kev siv.Nws yog pheej yig rau siv, hloov tau, tsim nyog muaj zog, thiab muaj hluav taws kub / roj cov ntaub ntawv.
Txawm li cas los xij, cov khoom no muaj cov khoom tsis zoo rau ib puag ncig thiab tib neeg lub cev, thiab muaj ntau yam teeb meem thaum siv rau hauv ib puag ncig tshwj xeeb.Nrog rau kev txhim kho ntawm tib neeg kev paub txog ib puag ncig thiab kev txhim kho cov khoom siv kev ua tau zoo, cov kev xav tau siab dua tau muab tso rau pem hauv ntej rau cov ntaub ntawv PVC.
2. Cable sheath khoom: PE
Vim nws cov khoom siv hluav taws xob zoo heev thiab kev ua haujlwm zoo, polyethylene yog dav siv los ua cov khoom siv txheej rau cov xov hlau thiab cov cables, thiab feem ntau yog siv rau hauv txheej rwb thaiv tsev thiab sheath txheej ntawm cov xov hlau thiab cables.
Cov khoom hluav taws xob zoo heev thiab tsis tshua muaj hluav taws xob tiv thaiv.Polyethylene tuaj yeem ua rau tawv thiab tawv heev, tab sis qhov ntom ntom PE (LDPE) yog qhov hloov tau yooj yim dua thiab tiv taus cov dej noo.Tsim kom raug PE muaj huab cua tiv thaiv zoo heev.
Cov qauv linear molecular ntawm polyethylene ua rau nws yooj yim rau deform thaum kub kub.Yog li ntawd, nyob rau hauv PE daim ntaub ntawv nyob rau hauv cov hlau thiab cable kev lag luam, polyethylene yog feem ntau cross-linked rau hauv lub network qauv, ua rau nws resistant rau kub kub.Tsis kam mus deformation.
Hla-txuas polyethylene (XLPE) thiab polyvinyl chloride (PVC) yog ob qho tib si siv los ua cov ntaub ntawv rwb thaiv tsev rau cov xov hlau thiab cables, tab sis XLPE cov xov hlau thiab cov cables yog ib puag ncig zoo dua li PVC xov hlau thiab cables thiab muaj kev ua tau zoo dua.
3.Cable sheath khoom: PUR
PUR cable yog ib hom cable.Cov khoom siv ntawm PUR cable muaj qhov zoo ntawm cov roj tsis kam thiab hnav tsis kam, thaum PVC yog ua los ntawm cov ntaub ntawv zoo tib yam.Hauv kev lag luam cable hauv ob peb xyoos dhau los, polyurethane tau dhau los ua qhov tseem ceeb.Ntawm qhov kub thiab txias, cov khoom siv kho tshuab zoo ib yam li roj hmab.Kev sib xyaw ntawm thermoplasticity thiab elasticity ua rau TPE thermoplastic elastomer.
Nws yog dav siv nyob rau hauv kev lag luam machinery thiab khoom siv, kis tau tus mob tswj systems, ntau yam muaj sensors, soj ntsuam cov cuab yeej, electronics, khoom siv hauv tsev, electromechanical, chav ua noj thiab lwm yam khoom siv, thiab yog siv rau lub hwj chim mov thiab teeb liab kev twb kev txuas nyob rau hauv hnyav ib puag ncig, roj-pov thawj. thiab lwm lub sijhawm.
4. Cable sheath khoom: TPE / TPR
Thermoplastic elastomers muab cov khoom zoo heev uas tsis muaj qhov kub thiab txias yam tsis tau them nyiaj rau cov thermosets.Nws muaj tshuaj lom neeg zoo thiab roj tsis kam thiab hloov tau yooj yim heev.Kev hnav zoo thiab kev ntxhib los mos, tab sis tsis ruaj li PUR.
5. Cable sheath khoom: TPU
Polyurethane cable yog hais txog ib lub cable uas siv cov khoom siv polyurethane ua rwb thaiv tsev lossis sheath.Nws super hnav tsis kam yog hais txog super hnav tsis kam ntawm cable sheath thiab rwb thaiv tsev txheej.Cov khoom siv polyurethane siv hauv cov cables, feem ntau hu ua TPU, yog thermoplastic polyurethane elastomer roj hmab.Feem ntau muab faib ua polyester hom thiab polyether hom, nrog hardness ntau yam (60HA-85HD), hnav tsis kam, roj kuj, pob tshab, thiab zoo elasticity.TPU tsis tsuas yog muaj kev hnav zoo heev, kev sib zog siab, siab tensile lub zog, toughness thiab nws muaj kev laus tsis kam thiab yog cov khoom lag luam zoo ib puag ncig.
Daim ntawv thov thaj chaw ntawm polyurethane sheathed cables suav nrog marine daim ntawv thov cables, industrial robots thiab manipulator cables, chaw nres nkoj machinery thiab gantry crane nruas cables, thiab mining engineering machinery cables.
6. Cable sheath khoom: Thermoplastic CPE
Chlorinated polyethylene (CPE) feem ntau siv nyob rau hauv ib puag ncig hnyav heev.Nws muaj cov yam ntxwv ntawm lub teeb yuag, nyuaj heev, tsis tshua muaj kev sib txhuam coefficient, zoo roj tsis kam, zoo dej tsis kam, zoo heev tshuaj tiv thaiv thiab UV tsis kam, thiab tus nqi qis.
7. Cable sheath khoom: ceramic silicone roj hmab
Ceramic silicone roj hmab muaj kev tiv thaiv hluav taws zoo, nplaim hluav taws, tsis muaj pa taws, tsis muaj tshuaj lom thiab lwm yam khoom.Cov txheej txheem extrusion molding yog yooj yim.Cov seem tom qab hlawv yog lub plhaub tawv ceramic.Lub plhaub tawv tsis yaj nyob rau hauv ib puag ncig hluav taws kub thiab tsis poob, nws tuaj yeem dhau qhov kev ntsuas kev ncaj ncees hauv GB / T19216.21-2003 ntawm qhov kub ntawm 950 ℃ -1000 ℃, raug hluav taws kub rau 90 feeb, thiab txias rau 15 feeb.Nws yog qhov tsim nyog rau txhua qhov chaw uas yuav tsum muaj kev tiv thaiv hluav taws kom ntseeg tau tias kev sib kis tau zoo thaum muaj hluav taws kub.Nws ua lub luag haujlwm tiv thaiv.
Ceramic silicone roj hmab cov khoom tsis muaj qhov tshwj xeeb rau cov khoom siv thiab kev siv tshuab ua haujlwm yooj yim.Kev tsim khoom tuaj yeem ua tiav los ntawm kev siv cov khoom siv silicone roj hmab ib txwm siv.Piv nrog rau tam sim no refractory hlau thiab cable ntau lawm tshuab, nws muaj ntau ntau lawm efficiency thiab yuav txo tau lub zog siv thiab txuag nqi.
Cov saum toj no yog tag nrho hais txog cov ntaub ntawv ntawm cable sheaths.Qhov tseeb, muaj ntau hom cable sheaths.Thaum xaiv cov khoom siv raw rau cable sheaths, qhov sib xws ntawm cov khoom sib txuas thiab kev hloov pauv rau ib puag ncig yuav tsum tau muab coj los xav.Piv txwv li, qhov chaw txias heev yuav xav tau cov tsho cable uas tseem hloov tau ntawm qhov kub thiab txias heev.
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Post lub sij hawm: Oct-10-2023
