Kugwiritsa ntchito mbiri ya pulasitiki kumakhudza mbali zonse za moyo watsiku ndi tsiku komanso ntchito zamafakitale. Zili ndi chiyembekezo chabwino cha chitukuko m'mafakitale a mankhwala, makampani omangamanga, zachipatala ndi zaumoyo, kunyumba, ndi zina zotero. Monga zida pachimake cha kupanga mbiri pulasitiki, pulasitiki extruder makina umabala mankhwala pulasitiki ochulukirachulukira monga PC, Peyo, PET, ndi PVC mu msika. M'mayiko akunja, mbiri ya pulasitiki nthawi zonse imasintha zitsulo kapena zipangizo zina zachikhalidwe, ndipo zikukula mofulumira kwambiri.
Nawu mndandanda wazinthu:
Kodi chitukuko cha pulasitiki extruder ndi chiyani?
Kodi zikuchokera zida pulasitiki extruder?
Kodi ma extruder apulasitiki amagawidwa bwanji?
Kodi chitukuko cha pulasitiki extruder ndi chiyani?
Dongosolo lachikhalidwe la pulasitiki extrusion control nthawi zambiri limatenga njira yoyendetsera kabati yowongolera magetsi. Zosintha ndi mabatani zimagawidwa pamzere wopanga, ndikuwongolera kokhazikika, ma waya ovuta, komanso zofunikira zazikulu za ogwira ntchito. Kukula kwa ma electromagnetic drive kapena DC drive kumakhudza kwambiri kukonza bwino kwa zakale, koma zambiri zotsirizirazi zimathandizira kwambiri pakupanga zida zowongolera liwiro lamagetsi. Ndi chitukuko chofulumira chaukadaulo wamagetsi amagetsi, ukadaulo wamakompyuta, ndiukadaulo wowongolera, ukadaulo wamagetsi wamagetsi wapanganso bwino kwambiri. AC variable pafupipafupi liwiro malamulo dongosolo wakhala waukulu wa dongosolo kufala extruder chifukwa cha kulamulira kwake mwatsatanetsatane mwatsatanetsatane ndi liwiro malamulo ntchito.
Kodi zikuchokera zida pulasitiki extruder?
Monga imodzi mwamakina atatu akuluakulu opangira pulasitiki, zotayira pulasitiki extruder chimagwiritsidwa ntchito mu makampani pulasitiki. Pulasitiki wamba extruder imakhala ndi makina akuluakulu, makina othandizira, ndi makina owongolera (makamaka opangidwa ndi zida zamagetsi, zida, ndi ma actuators).
Ntchito yaikulu ya makina ochitira alendo ndikuzindikira kayendedwe, kutentha, ndi kusungunula kwa zipangizo zapulasitiki, kuphatikizapo njira yodyetserako chakudya, dongosolo la extrusion, museum melting system, ndi extrusion kufa; Ntchito yaikulu ya makina othandizira ndi kuziziritsa mkulu-kutentha Museum thupi ndi mawonekedwe oyambirira ndi kukula extruded kuchokera makina mutu, anaika mu chipangizo chinachake, ndiyeno zina kuziziritsa izo kusintha kuchokera mkulu zotanuka boma kuti galasi boma kutentha firiji, kupeza mankhwala oyenerera. Ntchito zake zitha kufotokozedwa mwachidule monga kuzizira kozizira, kusungitsa kalendala, kukokera, ndi kutsekeka, kuphatikiza dongosolo la Calendar traction, dongosolo loziziritsa madzi, ndi makina omangira.
Kodi ma extruder apulasitiki amagawidwa bwanji?
Malinga ndi kuchuluka kwa zomangira, makina opangira pulasitiki amatha kugawidwa mu screw imodzi, wononga mapasa, ndi ma screw extruder ambiri.
Ochiritsira single wononga extruder ali ndi ubwino kapangidwe yosavuta, ntchito khola, ndi moyo wautali utumiki. Amagwiritsidwa ntchito popanga mapulasitiki akunja monga polyolefin, polyamide, polystyrene, polycarbonate, ndi poliyesitala, ndi kupanga extrusion ya PVC yosamva kutentha kwa utomoni.
Poyerekeza ndi screw extruder imodzi, mapasa-screw extruder ali ndi ubwino wambiri, monga kudyetsa kosavuta, kusakaniza bwino, ndi pulasitiki, mphamvu yotulutsa mpweya, ndi zina zotero. Malingana ndi kugawa kwa screw, ikhoza kugawidwa mu cylindrical ndi conical. Twin-screw extruder imagwira ntchito yofunikira kwambiri pakukonza pulasitiki chifukwa cha zabwino zake monga kuthamanga kwapamwamba kwambiri, chakudya chokhazikika, kusakaniza bwino ndi kubalalitsidwa, komanso pulasitiki yabwino.
Poyerekeza ndi extruders limodzi ndi mapasa-screw, Mipikisano wononga extruders ndi ubwino amphamvu kubalalitsidwa ndi kusanganikirana makhalidwe, lalikulu extrusion dera, ndi mkulu zokolola chiŵerengero, amene amakwaniritsa zofunika polima processing khalidwe ndi linanena bungwe. A atatu screw extruder ndi mtundu watsopano wa Mipikisano wononga osakaniza zida extrusion, amene ali oyenera polima kusinthidwa processing ndi akamaumba extrusion.
M’zaka zaposachedwapa, ndi kuwongolera kwapang’onopang’ono kwa moyo wa anthu, anthu aika patsogolo zofunika zapamwamba za zinthu zapulasitiki kuti zikhale zapamwamba, zaumwini, zamitundu, ndi zolimbana ndi nyengo, ndipo kufunika nakonso kukuchulukirachulukira chaka ndi chaka. Pakadali pano, China yakhala imodzi mwazinthu zazikulu kwambiri zopanga mbiri ya pulasitiki komanso misika ya ogula padziko lapansi. Chiyambireni kukhazikitsidwa mu 2018, Suzhou Polytime Machinery Co., Ltd. yakhala imodzi mwazinthu zazikulu zopangira zida zamagetsi ku China ndipo yakhazikitsa mtundu wodziwika bwino wamakampani padziko lonse lapansi kudzera muzaka zambiri zamakampani apulasitiki. Ngati muli ndi kufunika kwa extruders pulasitiki, mukhoza kuganizira mankhwala athu apamwamba.