2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Plastics extrusion yog cov txheej txheem tsim khoom ntim siab uas cov yas nyoos yog yaj thiab tsim rau hauv qhov profile txuas ntxiv. Extrusion tsim cov khoom xws li cov yeeb nkab / raj, weatherstripping, fencing, lawj railings, qhov rais thav duab, yas zaj duab xis thiab ntawv, thermoplastic coatings, thiab hlau rwb thaiv tsev.
Yuav siv cov yas extrusion yog dab tsi?
Yas extrusion, qee zaum hu ua yas profiles lossis ntu, tau siv dav thiab hla ntau yam xws li kev tsim kho, tsim khoom, thauj, khw muag khoom thiab txheej xwm.
Yuav ua li cas cov yas extrusion ua haujlwm?
Plastic extrusion ua haujlwm by melting, processing and re-melting ib hom yas hu ua thermoplastic resins. Cov resins feem ntau tuaj nyob rau hauv daim ntawv hlaws lossis pellet uas tso cai rau lawv siv rau hauv cov tshuab extrusion. … Lub auger tig thiab qhov no ua rau cov hlaws mus rau pem hauv ntej ntawm qhov kub kub yaj lawv.
Yuav ua li cas yog cov yas extruder?
Plastics extrusion yog ib txwm ntim cov txheej txheem tsim khoom uas muaj cov khoom siv polymer, ua kom muaj cov khoom ntxiv uas xav tau, yog yaj thiab tsim nyob rau hauv cov txheej txheem tas mus li. Cov khoom siv raw (polymer) nyob rau hauv daim ntawv ntawm granulates, yog nqus mus rau hauv lub hopper thiab los ntawm lub caj pas pub, tee rau ntawm ib tug rotating ntsia hlau.
Cov piv txwv ntawm extrusion yog dab tsi?
Cov khoom uas feem ntau txias extruded suav nrog: txhuas, tin, aluminium, tooj liab, zirconium, titanium,molybdenum, beryllium, vanadium, niobium, thiab hlau. Piv txwv ntawm cov khoom tsim los ntawm cov txheej txheem no yog: cov hlab ntsha tawg, cov ntaub ntawv tua hluav taws, lub tog raj kheej shock absorber thiab iav blanks.
Pom zoo:
Vim li cas extrusion txhais tau tias?
Lub ntsiab lus ntawm extrusion hauv lus Askiv txheej txheem ntawm kev tsim ib yam dab tsi los ntawm kev quab yuam lossis thawb nws tawm, tshwj xeeb tshaj yog los ntawm qhov qhib me me: Volcanic dej ua rau extrusion ntawm daim ntawv lava. extrusion txhais li cas?
Nyob rau hauv hom extrusion ib tug billet yog muab tso rau hauv ib chamber?
Yuav ua li cas ntawm extrusion, ib daim ntawv tso rau hauv lub chamber? Nqe lus piav qhia: In forward extrusion, ib daim ntawv tso rau hauv lub chamber thiab yuam los ntawm qhov qhib tuag los ntawm hydraulically tsav ram. Qhov qhib tuag yuav yog puag ncig, lossis nws yuav muaj ntau yam duab, nyob ntawm qhov xav tau profile.
Yuav ua li cas cov yas puas tuaj yeem rov ua dua?
Zaj duab xis no yog nyias thiab muaj zog toughness, thiab ua ke nrog txheej yas thiab txheej hlau. … Feem ntau cov yas yog PP lossis PET, thiab cov hlau yog txhuas. Cov yeeb yaj kiab metalized no recyclable thiab yuav tsum tau rov ua dua los txo cov pa phem.
Yuav ua li cas txheeb xyuas cov thermosetting yas?
Txhawm rau pib txiav txim siab seb cov khoom puas yog thermoset lossis thermoplastic, heat ib tus pas nrig (txog 500 ° F) thiab nias nws tawm tsam tus qauv. Yog hais tias tus qauv softens, cov khoom yog ib tug thermoplastic; Yog tsis yog, nws yog tej zaum thermosetting.
Yuav ua li cas cov pov tseg yas tsis raug tsim tawm?
Nws kwv yees tias xyoo 2016, cov neeg nyob hauv ntug dej hiav txwv ntawm Tebchaws Meskas(117.94 lab) tsim ntau li 1.45 lab metric tons ntawm cov pov tseg yas tsis raug. Qhov no yog ib qhov siab tshaj plaws hauv ntiaj teb, tom qab tsuas yog Is Nrias teb thiab Indonesia.
