Sonke siyazi ukuba iimveliso zeplastiki zihlala zinezinga lokuncipha, kwaye ziyancipha xa zisiba sezantsi. Iimveliso ezenziwe ngezinto ezahlukeneyo zinezinga lokuncipha ezahlukeneyo. Apha, sixoxa ngezinto ezininzi ezichaphazela ukuncipha kweebhini zeplastiki ngexesha lesigaba semveliso. Enyanisweni, kwimveliso, ukuba ufuna ubungakanani bemveliso bufaneleke ngakumbi, kuyanceda ukuqonda izinto ezichaphazela ukuncipha. Emva kwayo yonke loo nto, kushishino lwezinto zoshishino, izikhongozeli zeplastiki ngokubanzi zizikhongozeli ezimiselweyo. Ubungakanani bazo kunye neenkcukacha zichanekile ngokomgangatho, kwaye akukho kuphambuka. Ngaphandle koko, akunakuthiwa ukwenziwa ngokubanzi kusemgangathweni.
Inkqubo yokubumbaibhokisi yokutshintsha iplastikiyi-thermoplastic molding. Ngenxa yotshintsho lomthamo ngexesha lenkqubo yemveliso kwinkqubo ye-crystallization, uxinzelelo lwangaphakathi lukhulu kakhulu, kwaye kukho uxinzelelo olushiyekileyo ngaphakathi kwemveliso ye-mold, kwaye ukujongwa kwe-molecular kunamandla kakhulu. Ke ngoko, inezinga eliphezulu lokuncipha kuneemveliso zeplastiki ze-thermosetting. Inoluhlu olukhulu lokufinyela kunye necala elicacileyo kakhulu. Ekubeni umaleko wangaphandle wezinto ezinyibilikisiweyo udibana nomphezulu we-mold cavity ngexesha le-component yeplastiki ebunjiweyo, upholiswa ngoko nangoko ukuze wenze igobolondo eliqinileyo elinoxinano oluphantsi. Kwaye sonke siyazi ukuba ukuhanjiswa kobushushu beplastiki kuphantsi kakhulu, kwaye umaleko wangaphakathi webhokisi yeplastiki yokujika uphola kancinci kakhulu, wenza umaleko oqinileyo oxineneyo onezinga elikhulu lokuncipha. Ukuba ubukhulu bodonga bucotha, umaleko oxineneyo uya kuqina kwaye uya kuncipha ngakumbi.
Inkqubo yokubumbaibhokisi yokutshintsha iplastikiyi-thermoplastic molding. Ngenxa yotshintsho lomthamo ngexesha lenkqubo yemveliso kwinkqubo ye-crystallization, uxinzelelo lwangaphakathi lukhulu kakhulu, kwaye kukho uxinzelelo olushiyekileyo ngaphakathi kwemveliso ye-mold, kwaye ukujongwa kwe-molecular kunamandla kakhulu. Ke ngoko, inezinga eliphezulu lokuncipha kuneemveliso zeplastiki ze-thermosetting. Inoluhlu olukhulu lokufinyela kunye necala elicacileyo kakhulu. Ekubeni umaleko wangaphandle wezinto ezinyibilikisiweyo udibana nomphezulu we-mold cavity ngexesha le-component yeplastiki ebunjiweyo, upholiswa ngoko nangoko ukuze wenze igobolondo eliqinileyo elinoxinano oluphantsi. Kwaye sonke siyazi ukuba ukuhanjiswa kobushushu beplastiki kuphantsi kakhulu, kwaye umaleko wangaphakathi webhokisi yeplastiki yokujika uphola kancinci kakhulu, wenza umaleko oqinileyo oxineneyo onezinga elikhulu lokuncipha. Ukuba ubukhulu bodonga bucotha, umaleko oxineneyo uya kuqina kwaye uya kuncipha ngakumbi.
Uhlobo lwesango lokutya lobungakanani bokusasazwa kwezixhobo zokwenza imveliso kunye nezinye izinto ziya kuchaphazela ngqo indlela yokuhamba, ukusasazwa koxinano lwezinto zemveliso, ukucutheka kokhuseleko loxinzelelo kunye nexesha lokubumba, zichaphazela ngokungathanga ngqo izinga lokunciphaibhokisi yokutshintsha iplastiki.Xa izixhobo zinendawo yokungena ethe ngqo, indawo yokungena inkulu kakhulu, ingakumbi xa ityebile, izinga lokuncipha liya kuba lincinci kodwa libe kwicala elithe kratya. Ngokwahlukileyo koko, xa ubungakanani bokungena buncinci, icala lokuncitshiswa lincinci, kwaye izinga lokuncipha lilikhulu xa indawo yokungena ikufutshane nendawo yokungena okanye ihambelana necala lokuhamba kwamanzi.
Iimeko zokubumba zemveliso zinempembelelo enkulu kwisantya sokunciphaibhokisi yokutshintsha iplastikiUmzekelo, ukuba ubushushu bokubumba buphezulu kwaye izinto ezinyibilikisiweyo zihamba kancinci, kukho uxinano olukhulu kwaye izinga lokuncipha liya kuba likhulu. Izinto zekristale zinekristali ephezulu kunye nomthamo omkhulu, ngoko ke izinga lokuncipha liya kuba likhulu. Ukusasazwa kobushushu bokubumba kunye nenqanaba lokupholisa langaphakathi nangaphandle kunye nokufana koxinano lwezinto zeplastiki kuya kuchaphazela ngokuthe ngqo izinga lokuncipha kunye nolwalathiso lwenxalenye nganye yemveliso. Ubungakanani boxinzelelo lokugcina kunye nobude bexesha lokugcinwa nazo zinempembelelo enkulu kwizinga lokuncipha. Xa uxinzelelo luphezulu kwaye lude, izinga lokuncipha lincinci, kodwa icala likhulu. Ngexesha lenkqubo yokubumba, izinga lokuncipha kwebhokisi yokujika yeplastiki linokutshintshwa ngokufanelekileyo ngokulungelelanisa ubushushu bokubumba kunye nesantya sokufakwa koxinzelelo kunye nexesha lokupholisa. Ngokwezi zingentla, singamisela izinga lokuncipha kwenxalenye nganye yemveliso ngokwemilo yokungena kunye nobukhulu bebhokisi yokujika yeplastiki yokujika kunye nobungakanani kunye nokusasazwa koyilo lokubumba, size sibale ubungakanani bomngxuma. Ngokwezinga lokuncipha kwemveliso, tshintsha isikhunta kwaye utshintshe iimeko zokubumba ngenaliti ukuze ulungise izinga lokuncipha kwemveliso ukuze ihlangabezane neemfuno zokwenyani.
Ixesha lokuthumela: Novemba-25-2022