Ukucatshangelwa kokukhetha nokusebenzisa ama-hot runners for molds

Ukuze ukhiphe noma unciphise ukwehluleka ekusetshenzisweni ngangokunokwenzeka, lezi zindaba ezilandelayo kufanele ziqashelwe lapho kukhethwa futhi kusetshenziswa isistimu yomgijimi oshisayo.

1.Ukukhethwa kwendlela yokushisa

Indlela yokushisa yangaphakathi: isakhiwo se-nozzle yokushisa yangaphakathi siyinkimbinkimbi, izindleko ziphakeme, izingxenye zinzima ukushintshwa, izidingo zesici sokushisa kagesi ziphakeme.I-heater ifakwe phakathi komgijimi, izokhiqiza ukugeleza okuyisiyingi, ukwandisa indawo ephikisanayo ye-capacitor, ukwehla kwengcindezi kungase kube izikhathi ezintathu zokushisa kwangaphandle.

Kodwa ngenxa yokuthi isici sokushisa sokushisa kwangaphakathi sitholakala emzimbeni we-torpedo ngaphakathi kwe-nozzle, konke ukushisa kunikezwa kumpahla, ngakho ukulahlekelwa ukushisa kuncane futhi kungasindisa ugesi.Uma isango lephoyinti lisetshenziswa, iphoyinti lomzimba we-torpedo ligcinwa phakathi kwesango, okwenza kube lula ukunqunywa kwesango ngemva kokujova futhi kwenza ukucindezeleka okusalayo kwengxenye yepulasitiki kube phansi ngenxa yokuncishiswa kwesango sekwephuzile. .

Indlela yokushisa yangaphandle: I-nozzle yokushisa yangaphandle ingaqeda ifilimu ebandayo futhi inciphise ukulahlekelwa kwengcindezi.Ngesikhathi esifanayo, ngenxa yesakhiwo sayo esilula, ukucutshungulwa okulula, kanye ne-thermocouple efakwe phakathi kwe-nozzle ukuze ukulawulwa kwezinga lokushisa kunembile nezinye izinzuzo, okwamanje ekukhiqizeni kuye kwasetshenziswa ngokuvamile.Kodwa ukulahlekelwa ukushisa kwenobholi yokushisa kwangaphandle kukhulu, akuwona amandla njengonozi wokushisa wangaphakathi.

2. Ukukhethwa kwefomu lesango

Ukuklama nokukhethwa kwesango kuthinta ngqo ikhwalithi yezingxenye zepulasitiki.Ekusetshenzisweni kwesistimu yomgijimi oshisayo, ngokusho kwe-resin fluidity, izinga lokushisa lokubumba kanye nezidingo zekhwalithi yomkhiqizo ukukhetha ifomu elifanele lesango, ukuze kuvinjwe ukumanzisa, ukuconsa, ukuvuza kanye noshintsho lombala into embi.

3.Indlela yokulawula izinga lokushisa

Lapho ifomu lesango linqunywa, ukulawulwa kokushintshashintsha kwezinga lokushisa kuzodlala indima ebalulekile kwikhwalithi yezingxenye zepulasitiki.Izikhathi eziningi izinto ezishisiwe, ukuwohloka noma ukugeleza kokuvinjwa kwesiteshi kubangelwa kakhulu ukulawulwa kwezinga lokushisa okungafanele, ikakhulukazi amapulasitiki angezwani nokushisa, ngokuvamile adinga impendulo esheshayo nenembile ekuguquguqukeni kwezinga lokushisa.

Kulokhu, into yokushisisa kufanele isethwe ngokunengqondo ukuze ivimbele ukushisa kwasendaweni, ukuze kuqinisekiswe ukuthi isici sokushisisa nepuleti le-runner noma umlomo wombhobho onesikhala ukuze kuncishiswe ukulahlekelwa ukushisa, futhi kufanele sizame ukukhetha isilawuli sezinga lokushisa esithuthuke kakhulu se-elekthronikhi ukuze sihlangabezane nezinga lokushisa. izimfuneko zokulawula.

4.Izinga lokushisa nebhalansi yengcindezi yokubala okuhlukahlukene

Inhloso yesistimu yomgijimi oshisayo ukujova ipulasitiki eshisayo kusuka ku-nozzle yomshini wokubumba umjovo, idlule kumgijimi oshisayo ekushiseni okufanayo bese usakaza ukuncibilika esangweni ngalinye lesikhunta ngengcindezi elinganiselayo, ngakho-ke ukusatshalaliswa kwezinga lokushisa. yendawo yokushisa yomgijimi ngamunye kanye nokucindezela kokuncibilika okugeleza esangweni ngalinye kufanele kubalwe.

Ukubalwa kwe-nozzle kanye nemikhono yesango i-offset ngenxa yokwanda okushisayo.Ngamanye amazwi, kufanele kuqinisekiswe ukuthi umugqa omaphakathi womlomo oshisayo (owandisiwe) kanye nomkhono wesango obandayo (onganwetshiwe) ungabekwa kahle futhi uqondaniswe.

5.Ukubalwa kokulahlekelwa ukushisa

Umgijimi oshisayo wangaphakathi uzungezwe futhi usekelwe umkhono wesikhunta opholile, ngakho ukulahlekelwa ukushisa ngenxa yemisebe yokushisa kanye nokuxhumana okuqondile (ukuqhuba) kufanele kubalwe ngokunembe ngangokunokwenzeka, ngaphandle kwalokho ububanzi bomgijimi bangempela buzoba buncane ngenxa yokuqina ungqimba lwe-condensation odongeni lomgijimi.

6.Ukufakwa kwepuleti lomgijimi

Izingxenye ezimbili ze-thermal insulation kanye nengcindezi yomjovo kufanele zicatshangelwe ngokugcwele.Ngokuvamile ukusetha phakathi kwepuleti lomgijimi kanye nomcamelo wesifanekiso nokusekelwa, okuthi ngakolunye uhlangothi kungakwazi ukumelana nokucindezela komjovo, ukugwema ukuwohloka kwepuleti lomgijimi kanye nokwenzeka kokuvuza kwezinto, ngakolunye uhlangothi, kunganciphisa nokulahlekelwa ukushisa.

7.Ukugcinwa kwesistimu yomgijimi oshisayo

Ngesikhunta somgijimi oshisayo, ukusetshenziswa kokugcinwa kokuvimbela okuvamile kwezingxenye zomgijimi oshisayo kubaluleke kakhulu, lo msebenzi uhlanganisa ukuhlolwa kukagesi, izingxenye zokufaka uphawu kanye nokuhlolwa kocingo okuxhumayo nokuhlanza izingxenye zomsebenzi ongcolile.


Isikhathi sokuthumela: Jul-20-2022

Xhuma

Simemeze
Uma unefayela lomdwebo we-3D / 2D elingahlinzeka ngereferensi yethu, sicela ulithumele ngokuqondile nge-imeyili.
Thola izibuyekezo ze-imeyili

Thumela umlayezo wakho kithi: