Fasahar yin simintin gyare-gyare na al'ada da kayan aiki sun cika balagagge, musamman a kwance sanyi ɗakin mutun injunan simintin gyare-gyare da kuma matakan yin simintin a kwance. Su allura da mold clamping na'urorin suna da matuƙar ƙarfi daidaita tsari. Don haka, idan fasahar simintin gyare-gyare ba za a iya haɗa ta da kayan aikin simintin mutuwa na gargajiya ba, za a iyakance aikace-aikacen da ya yaɗu. Ɗaukar wannan matakin, wani reshe na fasahar simintin gyare-gyare zai fito: fasahar kashe simintin extrusion. A wasu kalmomi, yin amfani da fasahar simintin extrusion zuwa na'ura ta gargajiya ta mutun simintin gyare-gyare shine fasahar fitar da simintin. Bisa ga halaye na extrusion mutu simintin aiwatar da kanta, da kuma yin daidai da inganta da gyare-gyare ga gargajiya mutu simintin, wannan kayan aiki zama gaba daya sabon extrusion mutu simintin inji.
1. Daidaitaccen Fahimtar Fahimtar Fasahar Casting Die da Ayyukan Injinan Casting na Gargajiya
Fahimtar ƙa'idodin fasahar simintin simintin gyare-gyare, kawai yin amfani da ita zuwa na'urar simintin simintin mutuwa na gargajiya ba shi da wahala. Makullin shine karya ta hanyar ra'ayoyin gargajiya. Yana buƙatar cikakkiyar fahimta da cikakkiyar fahimta game da aikin injinan simintin mutuwa na gargajiya, zurfin fahimtar tsarin simintin mutuwa na gargajiya, da kuma kawar da tunanin da aka riga aka yi. A haƙiƙa, na'urori masu mutuƙar gargajiya na zamani{3}}injuna sun riga sun cika aiki. Ba za su iya yin simintin gyare-gyare na yau da kullun ba, har ma da extrusion mutu simintin gyare-gyare da core - tushen extrusion mutu simintin gyare-gyare; za su iya yin simintin žarancin -, simintin bambance-bambance, da simintin nauyi. Tare da ƙari na na'ura, za su iya yin simintin gyare-gyare na injin tsotsa, zubar da ruwa mai mutuƙar ruwa, da vacuum extrusion mutu simintin. Idan muka ƙara faɗaɗa tunaninmu kuma muka haɗa shi da tsayayyen sarrafawa da mutuƙar fasahar ƙirƙira don samar da ci gaba da yin simintin gyare-gyare da ƙirƙira, hakanan yana iya yiwuwa.
Yawancin nau'ikan injinan mutuwa{0}} suna da ƙarfin allura mai daidaitawa da saurin allura. Dangane da halayen tsari na ƙananan simintin matsi, simintin bambance-bambance, da simintin nauyi, aiwatar da waɗannan matakan akan mutuwar talakawa{3}} injunan simintin ba matsala. Shigar da irin waɗannan gyare-gyaren akan na'urorin simintin gyare-gyare ba su da tsada kamar yadda mutane ke zato, saboda ba lallai ba ne a ƙirƙira su da ƙayyadaddun abubuwa kamar yadda ake yin gyare-gyare na gargajiya- Abin baƙin ciki, da wuya mu ga dacewa aikace-aikace ko rahotanni a aikace. Wannan kuskure ne, kuskuren ra'ayi, da kuskuren aikace-aikace game da mutuwar gargajiya{9}}injunan simintin gyaran kafa da tsarin simintin gargajiya{10}.
2. Halayen Tsarukan Fitar da Mutuwar Gargajiya da Kayan aiki da Daidaituwarsu ga Fitar Mutuwar Simintin
Injunan jefar simintin al'ada sun faɗi kashi biyu: cikakken injin babban silinda clamping (kulle) injin ɗin kashe simintin gyare-gyare da jujjuya injin damƙe mutun simintin. Saboda ƙananan farashin masana'anta na kayan aikin jujjuyawar injin, a halin yanzu irin wannan injin ya mamaye kasuwa.
Muhimmin siffa na injunan ɗimbin ɓangarorin mutuwa na gargajiya shine cewa ƙirar su an sanya sunansu da farko bisa ƙarfin matsawa. Lokacin da muka ce injin simintin mutuwa yana da takamaiman adadin ton, muna magana ne akan ƙarfinsa na matsawa cikin ton. Extrusion mutu simintin inji, duk da haka, ba kawai suna da buƙatun don clamping ƙarfi amma kuma ga extrusion diyya karfi, kuma wannan extrusion ƙarfi ne mafi muhimmanci nuna alama.
Duk da yake akwai nau'ikan injunan simintin kashe mutun na gargajiya guda biyu{0}}cikakken na'ura mai aiki da karfin ruwa da jujjuyawa{1}}babu wani bambanci wajen yin simintin kashe kashe na al'ada. Koyaya, tsarin ya bambanta lokacin da aka yi amfani da shi don fitar da simintin mutuwa. Bambance-bambancen da ke tsakanin matsi da simintin gyare-gyare na yau da kullun ya ta'allaka ne a cikin gaskiyar cewa bayan an cika simintin, matsin simintin yana ƙara wani mataki inda babban silinda ke ciyar da simintin gaba don rama raguwar raguwar, yayin da jefarwar mutuwa kawai ke ba da damar sanyaya jiki ba tare da wannan matakin ba.
Har ila yau, wajibi ne a kara bambancewa da fayyace ra'ayoyi guda biyu: ƙarfi da ƙarfi da ƙarfi (ko juriya). Ƙarfin ƙwanƙwasa yana nufin ƙarfin gaba da ake buƙata don ƙaddamar da motsi mai motsi, yayin da ƙarfin daɗaɗɗa shine juriya da ake buƙata don tsayayya da cikawa da fadada ƙirar; yana iya zama a tsaye karfi (reaction force). Sabili da haka, lokacin da ake amfani da simintin matsi kai tsaye zuwa na'uran simintin kashe mutuƙar gargajiya, ƙarfin matsawa kawai za a iya amfani da shi, kuma ƙarfin matsawa kawai yana ba da ƙarfin motsa gaba. Girman ƙarfin matsawa yana ƙayyade girman ƙarfin matsi. Don haka, don injunan simintin simintin gyare-gyare na al'ada na hydraulic, matsakaicin ƙarfin matsawa shine madaidaicin ƙarfinsa, wanda kuma ana iya amfani dashi azaman ƙarfin matsi. Matsakaicin ƙarfin extrusion na gaba na na'ura mai jujjuya mutun simintin gyare-gyare daidai yake da ƙarfin ƙwanƙwasa Silinda wanda aka ninka ta ma'aunin lever na inji, amma ba zai iya wuce ƙarfin matsawa wanda injin ɗin zai iya jurewa ba. Lokacin amfani da wannan kayan aiki don extrusion mutu simintin gyare-gyare, an rage hasashen yanki na sassan da za a iya samarwa saboda farkon matsayi na mold rufe ba ya kai -kulle "matattu batu" na mold rufe inji, yayin da karshen matsayi na extrusion ne "matattu batu" na matsakaicin mold clamping juriya.
