Ngokuthuthuka kobuchwepheshe nomnotho, i-ptfe isetshenziswe emikhakheni eminingi, futhi isibe yinto ebaluleke kakhulu ukuxazulula ubuchwepheshe obuningi obubalulekile ocwaningweni lwesayensi, imikhakha yezempi neyomphakathi kanye nokwenza ngcono izinga lobuchwepheshe bokukhiqiza.Ukuze siqhubeke sithuthukisa ukusebenza kahle kokukhiqizwa kwe-polymer ptfe, saqala ukwamukela inqubo yokukhiqiza ethuthukisiwe, efaneleka izinto ezisezingeni eliphezulu ze-viscoelastic —— I-Ram-punch extrusion.
Ngokuthuthuka kobuchwepheshe nomnotho, i-ptfe isetshenziswe emikhakheni eminingi, futhi isibe yinto ebaluleke kakhulu ukuxazulula ubuchwepheshe obuningi obubalulekile ocwaningweni lwesayensi, imikhakha yezempi neyomphakathi kanye nokwenza ngcono izinga lobuchwepheshe bokukhiqiza.Ukuze siqhubeke sithuthukisa ukusebenza kahle kokukhiqizwa kwe-polymer ptfe, saqala ukwamukela inqubo yokukhiqiza ethuthukisiwe, efaneleka izinto ezisezingeni eliphezulu ze-viscoelastic —— I-Ram-punch extrusion.
Ngokomgomo "wokufoja", i-plunger stamping extruder ikakhulukazi ithatha i-plunger enendawo encane yesiphambano kanye nokugxivizwa kwemvamisa ephezulu ukusunduza impahla emgqonyeni we-extruder.Uma kuqhathaniswa ne-extruder yekholomu ye-hydraulic yendabuko, inezici zemvamisa ephezulu yokunyathela, umphumela omuhle wokuncibilika kwe-plasticizing, ikhwalithi yomkhiqizo omuhle, imishini elula nenqubo.
Ngokusho kwezici zokwakha zeI-Ram-punch extruder, inqubo ye-extrusion iyahlaziywa futhi ifundwe.Imodeli ebonakalayo yenqubo yonke ye-extrusion ye-plunger ram extruder iyasungulwa, ehlukaniswe izigaba ezinhlanu: isigaba sokudla okuqinile, isigaba sokuncibilika, isigaba se-shunt, isigaba sokwenza kanye nesigaba sokupholisa.Umthelela wobude bokufa kanye nemvamisa yokudlidliza kwengcindezi kunqubo ye-extrusion iye yahlaziywa.Imiphumela yokuhlaziya ibonisa ukuthi: nakuba kunokuguquguquka okukhulu kwengcindezi ekungeneni kokuncibilika, kodwa kuwo wonke umfutho osuka e-inlet kuya okukhiphayo wehliswa kancane kancane, ngaleyo ndlela uqinisekisa ingcindezi eyanele yokuphusha i-extrusion yezinto ezibonakalayo, futhi lapho isondela eduze. qeda ingcindezi yokukhipha isikhunta kanye nokuguquguquka kwesivinini kuncane, ngakho-ke kungaqinisekisa ukuqhubeka kwe-extrusion, ekugcineni uthole imikhiqizo yekhwalithi enhle.Ubude kanye nemvamisa yokugxiviza kwedayizi kunomthelela othile kumfutho we-extrusion nesivinini.Ngenxa ye-viscosity ephezulu ye-PTFE, kufanele kukhethwe ukufa okude, futhi imvamisa yokunyathela phakathi kuka-5-6hz ifanelekile.
I-Ram plunger extrusion machining polymer PTFE iyindlela entsha yokwenza imishini, kodwa ngesikhathi senqubo yokwenza izinto, futhi ayikwazi ukushiya ukugeleza kwezinto ezibonakalayo kanye nokuguqulwa, ukuziphatha kwe-rheological kanye nomthetho, ukuqonda inqubo yokubumba inqubo yokukhetha okunengqondo, ukusebenza nokulawula ukusebenza kahle. futhi uthuthukise imishini yokubumba inokubaluleka okungokoqobo okubaluleke kakhulu.Ukugxiviza kwe-plunger akuyona indlela yomshini ozinzile, futhi kukhona ukudlidliza enqubweni yokugxiviza.Kubaluleke kakhulu ukufunda indlela yokuziphatha kwe-polymer ngaphansi kwesenzo senkambu yokudlidliza, kanye nokuxoxa ngokuthi ungakanani umthelela inkambu yokudlidliza ezoba nawo ekuzinzeni kokugeleza, ukuze kufundwe ukwakheka okuguquguqukayo kwezinto ezisetshenziswayo ze-polymer nokwandisa ukukhiqizwa.
Isikhathi sokuthumela: Jul-30-2019