Njira Yoponyera Mold Shell
Kuponyera chipolopolo cha zipolopolo ndi njira yopangira zitsulo yofanana ndi kuponya mchenga, muzitsulo zosungunuka zimatsanuliridwa mu nkhungu yomwe ingagwiritsidwe ntchito. Komabe, popanga chigoba, nkhunguyo ndi chigoba chokhala ndi mipanda yopyapyala chomwe chimapangidwa kuchokera kusakaniza ndi utomoni wa mchenga kuzungulira pateni. Chojambulacho, chidutswa chachitsulo chofanana ndi gawo lofunidwa, chimagwiritsidwanso ntchito popanga zipolopolo zingapo. Njira yogwiritsiridwanso ntchito imalola kuti pakhale mitengo yambiri yopangira, pomwe zisankho zotayidwa zimathandizira kuti ma geometri ovuta apangidwe. Kuponyera nkhungu ku zipolopolo kumafuna kugwiritsa ntchito chitsulo, uvuni, mchenga wa utomoni wosakaniza, bokosi lotaya, ndi zitsulo zosungunuka.
Kuponyera nkhungu kwa zipolopolo kumalola kugwiritsa ntchito zitsulo zonse zachitsulo komanso zopanda chitsulo, zomwe nthawi zambiri zimagwiritsidwa ntchito pogwiritsa ntchito chitsulo, chitsulo cha carbon, alloy steel, zitsulo zosapanga dzimbiri, zitsulo zotayidwa, ndi ma aloyi amkuwa. Zigawo zodziwika bwino zimakhala zazing'ono mpaka zapakati ndipo zimafunikira kulondola kwambiri, monga zida zopangira zida, mitu ya silinda, ndodo zolumikizira, ndi manja a lever.
The shell mold casting process imakhala ndi izi:
- Kupanga chitsanzo- Chitsulo chazitsulo ziwiri chimapangidwa ngati gawo lomwe mukufuna, makamaka kuchokera kuchitsulo kapena chitsulo. Zida zina nthawi zina zimagwiritsidwa ntchito, monga aluminiyamu popanga voliyumu yotsika kapena ma graphite poponya zida zamagetsi.
- Kupanga nkhungu- Choyamba, theka lililonse lachitsanzo limatenthedwa mpaka 175-370 ° C (350-700 ° F) ndipo limakutidwa ndi lubricant kuti lichotse. Kenako, chitsanzo chotenthedwacho chimakanikizidwa kubokosi lotayirira, lomwe lili ndi mchenga wosakanikirana ndi chomangira utomoni. Bokosi lotayiralo limatembenuzidwa, zomwe zimapangitsa kuti mchenga wa utomoni wosakaniza uvale patani. Chitsanzo chotenthedwa chimachiritsa pang'onopang'ono chosakaniza, chomwe tsopano chimapanga chipolopolo kuzungulira chitsanzocho. Theka lililonse la theka ndi chipolopolo chozungulira chimachiritsidwa kuti chitsirizidwe mu uvuni ndiyeno chipolopolocho chimatulutsidwa kuchokera patani.
- Msonkhano wa nkhungu- Magawo awiri a zigoba amalumikizidwa palimodzi ndikumangika bwino kuti apange chikombole chathunthu. Ngati ma cores akufunika, amalowetsedwa asanatseke nkhungu. Kenako nkhungu ya chigobacho imayikidwa mu botolo ndi kuthandizidwa ndi chinthu chothandizira.
- Kuthira- Chikombolecho chimangiriridwa bwino pamene chitsulo chosungunula chimatsanuliridwa kuchokera ku ladle kupita kumalo olowera ndikudzaza nkhungu.
- Kuziziritsa- Pambuyo podzaza nkhungu, chitsulo chosungunuka chimaloledwa kuziziritsa ndi kukhazikika mu mawonekedwe a kuponyedwa komaliza.
- Kuchotsa kutaya- Chitsulo chikazirala, nkhunguyo imatha kuthyoledwa ndikuchotsedwa. Njira zochepetsera ndi kuyeretsa zimayenera kuchotsa chitsulo chilichonse chowonjezera pazakudya ndi mchenga uliwonse mu nkhungu.
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