Tsarin Simintin Shell Mold

Tsarin simintin gyare-gyaren harsashi kuma ana saninsa da tsarin gyare-gyaren harsashi. Tsarin simintin gyare-gyare ne mai kashewa wanda ke amfani da yashi da aka lulluɓe don samar da ƙirar. A cikin tsarin simintin gyare-gyaren harsashi ana yin gyare-gyare kamar harsashi. Ana amfani da siraren sirara ko maras fa'ida ta yadda nauyin ƙura ya yi ƙasa kuma sarrafa gyambo ya zama mai sauƙi.

Don ƙera ƙirar bakin ciki, ana amfani da resin phenolic tare da ƙaramin yashi silica azaman kayan ƙira. Don yin simintin gyare-gyaren harsashi na buƙatar yin amfani da ƙirar ƙarfe, tanda, cakuda-gurdun yashi, akwatin juji da narkakken ƙarfe.Harsashi-mold simintin gyaran kafadamar yin amfani da duka ferrous da kuma wadanda ba na ƙarfe karafa, da aka fi amfani da narkakkar karafa nelaunin toka simintin ƙarfeductile jefa baƙin ƙarfe, carbon karfe,gami karfe, bakin karfe, aluminum gami da tagulla gami.

Matakai na Shell Mold

1. Ƙirƙirar ƙira - An ƙirƙiri nau'in ƙarfe na ƙarfe guda biyu a cikin siffar da ake so.
2. Ƙirƙirar ƙira - Na farko, kowane nau'i na rabi yana mai zafi zuwa 175-370 ° C kuma an rufe shi da mai mai mai mai mai mai mai yawa don sauƙaƙe sauƙin rabuwa daga tsarin da aka kafa. Bayan haka, ana manne ƙirar mai zafi zuwa akwatin juji. Akwatin juji yana jujjuya shi, yana barin wannan gauraya-resin ɗin yashi ya yi sutura. Tsarin mai zafi yana maganin cakuda, wanda yanzu ya samar da harsashi a kusa da tsarin. Kowane samfurin rabin da harsashi na kusa yana warkewa don kammalawa a cikin tanda sannan a fitar da harsashi daga tsarin.
3. Mold taro – The biyu harsashi halves an hade tare da tam clamped don samar da cikakken harsashi mold. Idan ana buƙatar kowane nau'i, ana saka su kafin rufe ƙirar. Sannan ana sanya ƙirar harsashi a cikin flask kuma ana goyan bayan kayan tallafi.
4. Zubawa - An haɗa ƙuran amintacce tare yayin da narkakken ƙarfen ke zuba daga ladle a cikin tsarin gating kuma ya cika ramin ƙura.
5. Cooling - Bayan an cika ƙura, ana barin narkakken ƙarfe ya yi sanyi kuma ya ƙarfafa cikin siffar da ake so.
6. Cire simintin gyare-gyare - Bayan da aka kwantar da narkakkar karfe, an karye samfurin kuma an cire simintin. Ana aiwatar da matakan gyarawa da tsaftacewa don cire duk wani ƙarfe da ya wuce gona da iri daga tsarin ciyarwa da kuma raba ƙananan yashi daga ƙirar.

Siffofin Tsarin Gyaran Shell:

• • A cikin harsashi gyare-gyare tsari kauri da nauyi na mold ne m.
• • Yawan samarwa harsashi yana da yawa sosai.
• • Saboda ƙananan porosity na mold, ta hanyar riser dole ne a yi amfani da.
• • Yana da amfani don kawai madauwari da ayyuka masu ma'ana.
• • Ba za a iya samar da siffofi masu sarƙaƙƙiya ta amfani da hanyar simintin gyare-gyaren harsashi ba.
• • Wannan tsari yana samar da ingantaccen simintin simintin gyare-gyare idan aka kwatanta da saurantsarin simintin yashi.
• Za a iya amfani da ƙananan kusurwoyin daftarin aiki.