I-PP (i-polypropylene) i-proils ilula, i-corrosion {0} {0} Inkqubo yemveliso ibandakanya amanyathelo amaninzi, kubandakanya ukulungiselela izinto eziphathekayo, ukuxuba, ukutyholwa, ukupholisa kunye nokubumba, iposti {{3} {{3} Inyathelo ngalinye lidlala indima ebalulekileyo kumgangatho wemveliso yokugqibela.
Ukulungiselela izinto ezibonakalayo kunye nokuxuba
Inyathelo lokuqala kwimveliso yePP ye-PP iluhlaza. I-gon -}}} i-pullyproplene ye-polyproplene ikhuselwe, kwaye ezongeziweyo ezifanelekileyo ezinjengeendlela zempembelelo, kwaye ii-Absisurs zongezwa ngokusekwe kwiimfuno zomsebenzi wemveliso. Ezi zinto ziluhlaza zityhafile kwaye zomiswe ukuqinisekisa umxholo wokufuma ngaphantsi kwe-0.02% ukuphepha iibhubhu kunye neziphene zomphezulu ngexesha lokuphuma. Izinto ezingafunekiyo kunye noongezelelo zidityaniswe ngokupheleleyo kwi--} umxube wesantya sokuqinisekisa ukusasazeka.
Ukuphuma kwe-Exturis
The mixed raw materials pass through a hopper into a single-screw or twin-screw extruder, where they are melted and plasticized under high temperature (typically 180-220℃) and high pressure. Ukujikeleza kwe-screw propls inyibilike phambili, iyile ngokusebenzisa icandelo leprofayile elifunayo. Uloyilo olubalulekileyo lubalulekile, ngokuthe ngqo ukuchaneka kweprofayili kunye nembonakalo.
Ukupholisa, ukubumba, kunye nokuzoba
Emva kokuba iprofayile ye-molten PP icinyiwe kwi-mold, kwangoko ingena kwisixhobo sokupholisa kunye nokuzonwabisa (njengokuhlala kwetafile okanye itanki lamanzi) ukuphola ngokukhawuleza kwaye kuqine. Ireyithi yokupholisa kufuneka ilawulwe ngokungqongqo ukuphepha uxinzelelo lwangaphakathi kunye nengxaki. Iprofayile emva koko ikhutshiwe yi-piller ngesantya esingapheliyo ukuqinisekisa uzinzo lozinza.
Ukusika kunye neposi - ukuqhubekeka
Ngokweemfuno, iprofayili inqunyulwe ukuba iqaliswe kakhulu ngumatshini wokusika ozenzekelayo. Ezinye iimveliso zikwafuna unyango olungapheliyo (olunjengokuphumeza okanye ukuprintwa) okanye kwindibano ukuze kuhlangatyezwane neemfuno ezithile zesicelo.
Inkqubo yenkqubo yeprofayile ye-PP, ngokulawula imilinganiselo yeparamitha kwinqanaba ngalinye, iqinisekisa iipropathi ezibalaseleyo zendlela kunye nokuqina, into ephambili yetekhnoloji yokuqhubela phambili kweplanga.
