Gabatarwa Taƙaitaccen Bayani game da Kula da Molding na Extruder

Tsarin dumama da sanyaya

Tsarin dumama da sanyaya na mai bayyanawa galibi yana nufin dumama da sanyaya ganga (gami da mayafin mayafi da sukurori) a cikin tsarin plasticizing extrusion. Manufar dumama ko sanyaya ganga (molding die da sukurori) shine don sarrafa zafin aikin kayan da aka yi amfani da su a lokacin injin extrusion plasticization, ta yadda za a iyakance shi zuwa wani takamaiman iyaka don tabbatar da samar da kayayyakin filastik na yau da kullun da mai fitarwa ya yi.

Dumama ganga

Hanyoyin dumama ganga (molding die) a cikin na'urar fitarwa sun haɗa da dumama juriya, dumama induction da dumama matsakaiciyar dumama.

Juriya dumama

Tsarin hanyar dumama juriya abu ne mai sauƙi. Yawanci yana ba da damar wutar lantarki ta ratsa waya mai babban juriya (wayar juriya) don samar da zafi da kuma kai ta zuwa ga ganga da ke buƙatar dumama. Na'urar dumama juriya ta hannun aluminum da aka yi da siminti ita ce a shigar da wayar juriya a cikin bututun ƙarfe, a cika bututun da kayan rufewa kamar foda magnesium oxide, sannan a jefa bututun ƙarfe a cikin ƙarfen aluminum. Wannan nau'in na'urar dumama juriya ta hannu ta hannu ta hannu tana da foda mai hana magnesium oxide a cikin bututun, wanda aka rufe shi sosai kuma yana hana iskar shaka ta waya da wuri, kuma yana da tsawon rai; hannun ƙarfe na ƙarfe na aluminum yana da babban yanki na hulɗa tare da da'irar waje na ganga kuma yana da kyakkyawan aikin canja wurin zafi.

Dumama wutar lantarki

Na'urar dumama bututun lantarki, idan aka dumama ganga ta hanyar amfani da wutar lantarki, ana sanya na'urar dumama bututun a kewayen ganga na waje, sannan a sanya takardar ƙarfe mai maganadisu ta silicon a kewayen murfin. Lokacin da wutar lantarki ta ratsa na'urar, takardar ƙarfe ta silicon da ganga suna samar da da'irar maganadisu mai rufewa. Ruwan maganadisu mai canzawa yana haifar da wutar lantarki a cikin ganga, kuma ganga tana samar da zafi saboda wani ƙimar juriya. Gangar tana amfani da hanyar dumama bututun lantarki don dumama da sauri, kuma kayan aikin inductor suna da tsawon rai na aiki, amma na'urorin amfani da inductor sun fi rikitarwa.

Dumamawa ta hanyar mai ɗaukar zafi

Amfani da tururi ko mai a matsayin mai ɗaukar zafi don dumama injin mai sauƙi yana buƙatar jigilar bututun mai da kuma tushen dumama ga mai ɗaukar zafi (tafasa ko tushen zafi mai juriya). Kayan aikin suna da rikitarwa, farashin yana da yawa, kuma sarrafa zafin jiki yana da wahala, don haka yana da matuƙar wahala a yi amfani da shi. Duk da haka, wannan hanyar dumama tana da yanayin zafi mai laushi da iri ɗaya, wanda ya dace sosai don dumama robobi masu saurin kamuwa da zafi.

Sanyaya ganga

Sanyaya ganga a cikin mai bayyanawa, sanyaya sashin filastik na extrusion a cikin silinda, sanyaya wurin zama na hopper da sanyaya sukurori. Sanyaya sashin filastik galibi ma'aunin sanyaya ne don hana zafin injin ya yi yawa yayin aiki. Akwai hanyoyi guda biyu na sanyaya: sanyaya ruwa da sanyaya iska. A halin yanzu, hanyar da aka fi amfani da ita ita ce sanyaya iska. Tana amfani da fanka don hura sashin ganga kai tsaye wanda ke buƙatar sanyaya, kuma iska mai sanyi tana ɗauke da zafin ganga, don haka cimma manufar sanyaya ganga. Hanyar sanyaya ganga mai fanka mai sauƙi ce, tsarin kayan aiki yana da sauƙi, girgizar zafi ga ganga ƙarami ce, farashin ba shi da yawa, kuma aikin kulawa da samarwa yana da sauƙin amfani.

Sanyaya wurin zama na hopper

Ana yin sanyaya wurin zama na hopper ne galibi ta hanyar ruwan sanyaya. Manufar sanyaya shine hana zafi mai yawa a cikin hopper saboda tilastawa ciyarwa. Bugu da ƙari, haka kuma don hana zafin sashin ciyar da sukurori ya yi yawa. Idan zafin waɗannan sassa biyu ya yi yawa, zai fi shafar ciyar da hopper da jigilar kayan gaba zuwa sashin ciyar da sukurori.

Sanyaya sukurori

Yawanci ana sanyaya sukurorin da man fetur mai matsakaicin canja wurin zafi. Ana amfani da tsarin haɗin gwiwa mai juyawa don haɗa ramin tsakiyar sukurori mai juyawa zuwa bututun mai, wanda ke ba da damar man mai ɗaukar zafi ya ratsa jikin sukurori ta hanyar haɗin mai juyawa, yana ɗauke zafin sukurori kuma yana cimma manufar sanyaya sukurori.

Sarrafa tsarin

Tsarin sarrafawa na mai bayyanawa galibi yana nufin sarrafa saurin sukurori, zafin dumama kowane sashe na ganga, zafin injin ƙera da kuma matsin lambar da ake buƙata don samar da kayan da aka narke. Aikin waɗannan na'urorin sarrafa matsayi shine tabbatar da cewa injin fitar da kayan aiki yana aiki a cikin yanayin aikin da aka saita don injin fitar da kayan zai iya samar da samfuran filastik cikin kwanciyar hankali da santsi.