Imashini zikora ku mpande ebyiri ni zo zikora cyane mu bijyanye no guhuza imashini, kandi imikorere yazo myiza no guhindura ibintu ni byo byiza by’aho ziherereye. Zishobora guhuza inyongeramusaruro zitandukanye n’ibirungo kugira ngo zigere ku miterere n’imiterere itandukanye ya pellet hamwe n’imikorere itandukanye.
Nubwo ibintu bitandukanye byongeramo n'ibyuzuza bishobora gutunganywa kugira ngo bisohoke, bumwe mu buryo bwo kubona ibi bicuruzwa bushobora no gutera ibibazo by'ubwandu no kugabanuka k'umuvuduko cyangwa umuvuduko muke mu bice byinshi by'umuvuduko.
Mu gikorwa gihoraho nko gusohora, kwandura bishobora kugira ingaruka mbi. Gusohora mu gusohora bikunda kugorana kurusha izindi nzira, kandi ibikoresho bikoresha screw ebyiri bihura n'imbogamizi zikomeye kuko sisitemu igoye kurusha screw imwe.
Ubwa mbere, reka turebe uburyo bwo gusukura ibikoresho byo mu bwoko bwa "twin-screw extruders".
Uburyo bwo gusukura resin:
Gukoresha polyester resin cyangwa epoxy resin mu gusukura bikoreshwa mu gusukura ibikoresho bishya cyangwa nyuma y'igihe runaka, kubera ko bimwe mu bikoresho biguma kuri screw cyangwa barrel na gel, umuvuduko wo gusohora ibikoresho uragabanuka, kandi itandukaniro ry'amabara ry'ubwoko bw'impinduka z'amabara ni rinini. Ubu buryo bushobora gukoreshwa. Muri iki gihe, bitewe n'ubukungu bw'ibicuruzwa bwateye imbere cyane, nta kibazo cy'ibikoresho bitandukanye byo gusukura screw (ibikoresho byo gusukura screw) ku isoko, byinshi muri byo bihenze kandi bifite ingaruka zitandukanye.
Gukoresha imashini zisukura mu bucuruzi biterwa n'inganda zitandukanye n'imiterere y'umusaruro; amasosiyete atunganya pulasitiki ashobora no gukoresha resini zitandukanye nk'ibikoresho byo gusukura bitewe n'imiterere y'umusaruro wabo, ibyo bikaba bishobora kuzigama amafaranga menshi akoreshwa muri iyo mashini.
Intambwe ya mbere mu gusukura vis ni ukuzimya plug y'ibiryo, ni ukuvuga gufunga aho ibiryo bishyirwa hasi ku gipfundikizo; hanyuma ugabanye umuvuduko wa vis kuri 15-25r/min hanyuma ukomeze uyu muvuduko kugeza igihe amazi ashongeshejwe ku mpera y'imbere y'icyuma ahagaze gutemba. Ubushyuhe bw'ahantu hose hashyushya vis bugomba gushyirwa kuri 200°C. Iyo vis igeze kuri ubu bushyuhe, tangira kuyisukura ako kanya.
Bitewe n'uburyo bwo gusohora (bishobora kuba ngombwa gukuraho umuvuduko ukabije ku mpera y'icyuma gisohora), gusukura bigomba gukorwa n'umuntu umwe: umukozi areba umuvuduko wa screw n'imbaraga biva kuri panelo igenzura, kandi akareba umuvuduko wa screw kugira ngo arebe ko umuvuduko wa sisitemu utari hejuru cyane. Mu gihe cyose, umuvuduko wa screw ugomba kuguma kuri 20r/min. Mu gukoresha imitwe ya screw ifite umuvuduko muto, ntugatangire gukuraho umutwe wa screw kugira ngo woge. Hagarika hanyuma ukureho umutwe wa screw ako kanya iyo screw ihinduwe burundu kuva kuri resin itunganya ikajya kuri resin isukura, hanyuma wongere utangire screw (umuvuduko uri hagati ya 10r/min) kugira ngo resin isukura isigaye isohoke.
Ubuyobozi bwo gusenya:
1. Shyiramo ibikoresho byo kumesa n'intoki uhereye ku muyoboro wo gusohora kugeza igihe ibara ry'agace k'ibikoresho byo kumesa rihwanye n'iry'udupira tw'ibikoresho byo kumesa, hagarika kugaburira, kuraho ibyo bikoresho, kandi uhagarike kuzenguruka kwa screw yo kumesa ifite screw ebyiri;
2. Fungura umutwe w'icyuma gisohora vis hanyuma utangire gusukura;
3. Hindura vis yo gusohora vis ebyiri hanyuma ukureho isahani y'imbere kugira ngo usukemo ibikoresho byo kumesa bisigaye mu mwobo hanyuma usukure isahani y'imbere;
4. Hagarika hanyuma ukuremo vis kugira ngo urebe niba yasukuwe, hanyuma ukuremo n'intoki ibikoresho bisigaye kuri vis. Ongera ushyireho vis; ongeramo ibikoresho bishya kugira ngo wohereze ibikoresho bisigaye byo kumesa mu icupa hanyuma uhagarike kuzunguruka kwa vis;
- Shyiramo icyuma gikingira amenyo n'umutwe w'icyuma gikingira amenyo (double-screw extruder) kugira ngo urangize igikorwa cyo gusukura icyuma gikingira amenyo (double-screw extruder).
Uburyo bwo gusukura hakoreshejwe umuriro:
Gukoresha umuriro cyangwa gukaranga kugira ngo ukureho pulasitiki ishyizwe ku ruziga ni bwo buryo busanzwe kandi bufite akamaro mu gutunganya pulasitiki. Koresha itara ryo gukaraba uruziga ako kanya nyuma yo gukoresha, kuko muri iki gihe ruziga rutwara ubushyuhe buturutse ku buhanga bwo gutunganya, bityo ruziga. Ikwirakwizwa ry'ubushyuhe riracyari rimwe. Ariko ntuzigere ukoresha umuriro wa acetylene kugira ngo ukore uruziga. Ubushyuhe bw'umuriro wa acetylene bushobora kugera kuri 3000°C. Gukoresha umuriro wa acetylene kugira ngo ukore uruziga ntibizangiza gusa imiterere y'icyuma cya ruziga, ahubwo binagira ingaruka ku buryo ruziga rushobora kwihanganira.
Iyo umuriro wa acetylene uhindutse ibara ry'ubururu rihoraho iyo uteka igice runaka cy'urushundura, bivuze ko imiterere y'icyuma cy'iki gice cy'urushundura yahindutse, ibyo bikazatuma iki gice kidasaza neza, ndetse hakabaho no kwangirika hagati y'urwego rurwanya kwangirika n'urushundura. Gukuramo icyuma. Byongeye kandi, gushyushya ukoresheje umuriro wa acetylene nabyo bizatera ubushyuhe bwinshi ku ruhande rumwe rw'urushundura, bigatuma urushundura rugonda. Udushundura twinshi dukozwe mu cyuma cya 4140.HT kandi dufite ubushobozi bwo kwihanganira ibintu bikomeye cyane, muri rusange muri 0.03mm.
Uburyo bwo kugorora buri muri 0.01mm. Iyo screw itekeshejwe kandi ikonjeshwa n'umuriro wa acetylene, akenshi biragoye gusubira ku buryo yari imeze mbere. Uburyo bwiza kandi bunoze: Koresha itara ry'amashanyarazi kugira ngo usukure screw ako kanya nyuma yo kuyikoresha. Kubera ko screw itwara ubushyuhe buva mu gutunganya muri iki gihe, uburyo ubushyuhe bukwirakwira buracyari bumwe.
Uburyo bwo koza amazi:
Koza vis: Imashini imesa vis yikora ikoresha ingufu za kinetic zo kuzunguruka kw'amazi n'imbaraga z'ingufu zo kuzunguruka kw'vis kugira ngo igere ku gusimbuza dogere 360 nta nguni zipfuye. Ikora neza cyane kandi ntiyangiza imiterere y'vis. Ikora ikoranabuhanga rishya ryo gusukura vis mu buryo butangiza ibidukikije, bunoze kandi buzigama ingufu. Ikwiriye gusimbuza no gukuraho ibikoresho bitandukanye bya polymer, bityo ni ikoranabuhanga ryo gutunganya vis rifite ingaruka nziza zo gusukura.
Igihe cyo kohereza: Kamena-07-2024