一、Nts'etsopele eaHo bopa ho potoloha
Linaheng tsa linaheng tse ling, ho bopa ka ho potoloha e 'nile ea e-ba e' ngoe ea mekhoa e sebelisoang haholo ea ho bopa polasetiki. Lilemong tsa bo-1940, peista ea PVC e ne e sebelisoa ho hlahisa lintho tsa ho bapala tse kang libolo tsa polasetiki ka ho bōptjoa ha rotational. Lilemong tsa bo-1950, mokhoa oa ho bopa oa polyethylene o sebelisang phofo e tlaase ea polyethylene e le lisebelisoa tse tala e ile ea ntlafatsoa ho hlahisa lihlahisoa tsa indasteri tse kang litanka tsa polokelo ea polyethylene le liphaephe tse kholo, tse khothalletsang haholo tsoelo-pele ea mokhoa oa ho bopa. Ho tloha ka nako eo, nylon, polycarbonate, ABS le lipolasetiki tse ling le tsona li bōpiloe ke mokhoa oa ho bopa o potolohang. Mathoasong a lilemo tsa bo-1970, ho bopa ka ho potoloha e ne e se e le mokhoa o moholo oa ho bopa polasetiki.
Ka 1971, ho ne ho e-na le lik'hamphani tse fetang 50 tse neng li kopanela tlhahiso ea lihlahisoa tsa ho bopa tse potolohang UK, le baetsi ba ka bang 70 ba rotational molding thermoplastics; Ho na le lik'hamphani tse fetang 20 tse sebetsanang le ts'ebetso ea ho bopa ka potoloho k'honthinenteng ea Europe, ho kenyelletsa le lik'hamphani tse tsoang Jeremane, Fora, Switzerland, Norway, Austria, Denmark le linaheng tse ling.
Mathoasong a lilemo tsa bo-1970, UK e ile ea khona ho fana ka mochine oa moqolo o khonang ho hlahisa lijana tse nang le matla a 18000L; Netherlands e hlahisitse tanka e kholo ea cylindrical e bophara ba 2.1m le bolelele ba 4.8m. Tanka ke 540kg mme botenya ba lebota ke 25mm. Ka 1970, kakaretso ea lihlahisoa tsa ho bopa tse potolohang Europe e fihlile ho feta 15000t, ho kenyelletsa le 7000t Brithani.
Ka 1970, li-unit tse fetang 500 United States li ne li tšoarehile tlhahisong ea lihlahisoa tsa ho bopa tse potolohang. Ba ne ba e-na le tse fetang 500mechine ea ho bopa e potolohang, 'me matla a lijana tsa ho bōptjoa a pota-potileng a ne a feta 10000 L (lithara tse 2400); Likarolo tse phahameng ka ho fetisisa tsa polasetiki tse hlahisoang ke mochini oa ho bopa meqolo ke 4.6× nne ntlha ya borataro× 2.1m.
Lilemong tsa bo-1960, tsoelo-pele e potlakileng ea theknoloji ea ho bopa e potolohang e ne e amana haufi-ufi le ntlafatso ea thepa ea resin le lisebelisoa tsa ho bopa tse potolohang. Nakong ena, ho ile ha etsoa lipolasetiki tse ngata tse khethehileng bakeng sa ho bōptjoa ha potoloho, tse kang PE P-320, Raychem Flamolin 771 le li-resin tse ling tsa polyethylene tse entsoeng ke United Carburization Company. FE P-320 ke mofuta oa polyethylene e tlaase-tlaase, e nang le ts'ebetso e ntle ea ho bopa ha polyethylene resin e tlaase-tlaase le mocheso o tlase o matla, lik'hemik'hale tsa lik'hemik'hale le khatello ea khatello ea kelello ea resin e phahameng ea polyethylene; Raychems F1amo1in 711 ke resin ea polyethylene e hokahaneng le sefapano bakeng sa ho bopa ho potoloha. Ntle le ho hokahanya, e boetse e na le thepa ea ho tima. Lekhetlong lena, resin e tsebahalang ea "roll-linked" polyethylene resin Marlex Cl-100 ea Philips e ile ea ntlafatsoa.
E le ho finyella litlhoko tsa ho lokisetsa tse khololihlahisoa tsa ho bopa tse potolohang, mechine e mengata e khonang ho etsa lihlahisoa tse kholo tsa ho bōptjoa ha potoloho e ile ea etsoa ho elella bofelong ba lilemo tsa bo-1960, e ka sebelisang sebaka sa fatše ka katleho le matla a mocheso. Ka 1970, ho feta halofo ea mechini ea ho bopa e rekisoang 'marakeng e ne e na le bophara ba rotary bo fetang 1.75m. Ho phaella moo, boemo ba taolo ea mochine le bona bo ntlafalitsoe ho ea ka likhato tse sa tšoaneng. Ka mohlala, mochine oa ho bopa oa matsoho a mararo McNeil Auronismodel 3000-200 o khona ho laola lipotoloho tse futhumatsang le tse pholileng tsa letsoho le leng le le leng ka thoko, e le hore lihlahisoa tsa boholo bo fapaneng le thepa li ka bōptjoa ka nako e le 'ngoe. Bophara ba eona ba rotary bo fihla ho 5m, 'me boima bohle ba hlobo le resin tseo letsoho le leng le le leng le ka li jarang ke hoo e ka bang 13500N; Mochine oa ho bopa oa mofuta oa jekete o nang le phello e ntle ea ho fetisa mocheso le sebaka se senyenyane sa fatše se ne se boetse se entsoe le ho etsoa nakong ena.
Nts'etsopele le lipatlisiso tsa ho bopa ho potoloha China le tsona li ka saloa morao ho tloha lilemong tsa bo-1960. Ho elella bofelong ba lilemo tsa bo-1960, indasteri ea lipapali tsa Shanghai e ne e se e qalile ho sebelisa mokhoa oa ho bopa o potolohang ho hlahisa li-pellets tse bonolo tsa PVC selemo le selemo; Semela sa boraro sa Shangsu Plastics se atlehile ho hlahisa lijana tse entsoeng ka polyethylene tse 200L le 1500L; Bohareng ba lilemo tsa bo-1970, Setsi sa Lipatlisiso sa Beijing sa FRP se atlehile ho nts'etsapele sets'oants'o sa nylon ea polasetiki e potolohang 'me sa se sebelisa ka har'a litima-mollo tsa merung le lihlahisoa tse ling. Leha ho le joalo, tlhahiso ea sebele ea indasteri e meholo e ile ea tla ka mor'a ho kenngoa ha e tsoetseng peleho bopa ho potolohathepa le thekenoloji ho tsoa linaheng tse ling bohareng le bofelong ba lilemo tsa bo-1980. Hajoale, e khonne ho lokisa lihlahisoa tse kholo tsa polasetiki tse joalo ka litanka tsa polokelo ea lik'hemik'hale tse nang le matla a setshelo a fetang 20000L le polasetiki e phahameng li-yachts tsohle tsa polasetiki.
二、 Kopo ea Mould ea Rotational
Ka nts'etsopele ea theknoloji ea ho bopa e potolohang, sebaka sa ts'ebeliso ea lihlahisoa tsa ho bopa tse potolohang se atolositsoe khafetsa. Ho fihlela joale, ts'ebeliso ea lihlahisoa tsa ho bopa tse potolohang e se e le ngata haholo. Likopo tse ling tsa boemeli li ka etsoa mohlala ka tsela e latelang.
1. Likarolo tsa polasetiki tse potolohang bakeng sa lijana
Lihlahisoa tsa mofuta ona tsa polasetiki li sebelisoa haholo litankang tsa polokelo ea metsi, litanka tsa lik'hemik'hale tse fapaneng tsa metsi (joalo ka acid, alkali, letsoai, manyolo a lik'hemik'hale, chefo e bolaeang likokoanyana, joalo-joalo), lijana tsa peterole (litanka tsa peterole le litanka tsa mafura bakeng sa likoloi le lifofane), likhetla tsa betri, joalo-joalo.
2. Likarolo tse potolohang tsa likoloi
Haholo-holo e sebetsa resin ea polyethylene le polyvinyl chloride paste, 'me e bopa lisebelisoa tse fapaneng tsa liphaephe, joalo ka setsoe sa moea, backrest, handrail, jj.
3.Lisebelisoa tsa lipapali le tse fapaneng tse nkang sebaka
Haholo-holo ho na le likarolo tse fapaneng tse entsoeng ka PVC peista roto, joalo ka polo ea metsi, bolo e phaphametseng, mosamo oa setulo sa libaesekele, seketsoana se senyenyane le mohanyi pakeng tsa sekepe le boema-kepe. Moqomo oa rotogrammed crosslinked polyethylene barrel e entsoeng ka sefate sa Philips' rotogrammed crosslinked polyethylene "Maricxcl-100" e ka qothisana lehlokoa le tšepe ea tšepe, 'me e na le khanyetso e ntle ea ho bola ha lik'hemik'hale le litšenyehelo tse tlase tsa tlhokomelo. Rotational palletizing tray e ne e rekisoa United States, Japane le linaheng tse ling mathoasong a lilemo tsa bo-1970; Li-surfboards, likepe, joalo-joalo le tsona ke likarolo tse bōpiloeng tse atisang ho boleloa libukeng.
4. Lintho tsa ho bapala, mehlala, mesebetsi ea matsoho, joalo-joalo
Hobane hlobo e potolohang e ka etsoa ka mokhoa o nepahetseng oa ho lahla, electroforming le mekhoa e meng; Bokaholimo ba likarolo tse bōpiloeng tse pota-potileng li na le phello e ntle ea "kopi" holim'a sebopeho se setle sa holim'a sekoti sa hlobo. Ka hona, mokhoa oa ho bopa o potolohang o ka etsa hore lihlahisoa li be bonolo haholo hape li be ntle. Ka hona, hangata e sebelisoa ho etsa lihlahisoa tse nang le boleng bo boholo ba ho shebella, haholo-hololibapalisoa, mehlala, mesebetsi ea matsoho, joalo-joalo.
5. Ho phaella ho tse ka holimo, ho boetse ho na le tse fapa-fapanengmabokose, likhetla, liphaephe tse kholo le lihlahisoa tse ling tse sebelisoang haholo bakeng salihlahisoa tsa ho bopa tse potolohangjoalo ka mabokose a thekiso,makotikoti a lithōle, likhetla tsa mochini, likoahelo tse sireletsang, meriti ea mabone, likamore tsa ho hlapela, matloana, likamore tsa mehala ea thelefono, likepe, joalo-joalo.
Lihlahisoa tsa ho bopa tse potolohang li sebelisitsoe haholo polokelong ea lik'hemik'hale tsa metsi le lipalangoang, likhoebo tsa lik'hemik'hale, ho roala liindasteri,ho hlatsoa litankale litanka tsa ho itšoara ka mokhoa o sa tloaelehang oa ho lokisa lefatše, hammoho le noka leboea ba leoatle, malapenglitanka tsa metsile masimo a mang.
Nako ea poso: Nov-15-2022