1. Bambancin ma'ana
Saman da ke karkata daga sama, wanda kuma aka sani da tip mai karkata daga sama da kuma slanting top, kalma ce da aka saba amfani da ita a cikinmoldmasana'antu a yankin Pearl River Delta wanda masana'antun mold ke daukar nauyin gudanarwa a Hong Kong suka mamaye. Wannan wata hanya ce da ake amfani da ita wajen samar da barbs na ciki a cikinmoldƙira. Ya dace da barbs masu sauƙi. Yana faruwa.
Zamiya wani ɓangare ne na mold wanda zai iya zamewa daidai da alkiblar buɗewa da rufe mold ko kuma a wani kusurwa tare damoldalkiblar buɗewa da rufewa yayin aikin buɗe mold namoldLokacin da tsarin samfurin ya yimoldBa za a iya rage girmansa ba tare da amfani da na'urar zamiya ba, dole ne a yi amfani da na'urar zamiya. Kayan da kansa yana da tauri da juriyar lalacewa, wanda ya isa ya jure gogayya na motsi.
2. Bambancin aikace-aikace
Ana amfani da saman mold ɗin a cikin babban kayan aikin sarrafa wutar lantarki na mold don samfuran foda na jan ƙarfe da na ƙarfe; sassan injina, kayan aiki da samfuran sassan zafi, da sauransu; molds na gyaran roba, molds na extrusion, alluramolds.Molds na taya na roba, roba mai siffar zoben rufewa mai siffar "O"moldsda sauransu; ana samar da kayayyakin filastik ta amfani da fasahar Huangyan (kayayyakin gyaran thermoset da thermoplastic).
Ana amfani da na'urorin zamiya sosai a cikin kayan feshi, kayan aikin injin CNC, cibiyoyin injina, kayan lantarki, injinan sarrafa kansa, injinan yadi, motoci, kayan aikin likita, injinan bugawa, injinan marufi, injinan aikin katako,moldbudewa da sauran fannoni da dama
3. Bambancin tsarin injina
Hanyoyin ejection da aka saba amfani da su don saman da ke da karkata sun haɗa da tsarin ejection na turawa, tsarin ejection na sassa da aka ƙera, tsarin ejection mai sassa da yawa, tsarin ejection na pneumatic, da kuma tsarin ejection na karkatarwa. Tsarin ejection na karkatarwa da farko yana fitar da tsakiyar motsi lokacin da aka rushe sashin filastik, sannan ya fitar da sashin filastik dagamold ɗin.Tsarin da ke kammala cirewa da sake saita zuciyar da ke motsi ana kiransa da tsarin jan zuciyar.
Tsarin injina na zamiya shine tsarin zamiya mai jujjuyawa. A matsayin wata hanya ta gama gari a cikin injina, galibi ana amfani da ita don canza juyawa mai ci gaba zuwa motsi mai juyawa ko kuma canza motsi mai juyawa zuwa juyawa mai ci gaba. Ana amfani da ita sosai a cikin hanyoyin ciyarwa ta atomatik, injunan hudawa, injunan konewa na ciki da sauran injuna; ana amfani da cranks da sliders don cimma juyawa. Tsarin sandar haɗa jirgin sama wanda ke canzawa zuwa motsi ana kuma kiransa tsarin sandar haɗa crank.