Ama-dies amabili asetshenziselwa ukuphonsa ukufa;enye ibizwa ngokuthi "i-cover die half" kanti enye "i-ejector die half".Lapho behlangana khona kubizwa ngokuthi umugqa wokuhlukanisa.Ifa lekhava liqukethe i-sprue (yemishini yegumbi elishisayo) noma imbobo yokudubula (yemishini yamagumbi abandayo), evumela insimbi encibilikisiwe ukuthi igelezele ku-dies;lesi sici sihambisana nombhobho wokujova emishinini yegumbi elishisayo noma igumbi lokudubula emishinini yegumbi elibandayo.I-ejector die iqukethe izikhonkwane ze-ejector futhi ngokuvamile umgijimi, okuyindlela esuka ku-sprue noma imbobo yokudubula eya emgodini wesikhunta.Idayi yekhava ivikelwe endaweni emile, noma ngaphambili, ipuleti lomshini wokuphonsa, kuyilapho i-ejector die inamathiselwe epuletini elisusekayo.Isikhunta sinqunywa sibe yizicucu ezimbili, okuyizicucu ezihlukene ezingashintshwa kalula futhi zibhawudwe zibe izingxenye ezifayo.

Ama-dies aklanywe ngendlela yokuthi ukulingisa okuqediwe kuzoshelela kuhhafu wekhava yefasitela futhi kuhlale kuhhafu we-ejector njengoba ama-dies evulwa.Lokhu kuqinisekisa ukuthi ukusakaza kuzokhishwa yonke imijikelezo ngoba uhhafu we-ejector uqukethe izikhonkwane ze-ejector ukusunduza ukukhipha kuleyo ngxenye yokufa.Izikhonkwane ze-ejector ziqhutshwa i-ejector pin plate, eshayela ngokunembile zonke izikhonkwane ngesikhathi esifanayo nangamandla afanayo, ukuze ukusakaza kungalimazi.Iphinikhodi ye-ejector iphinda ihoxise izikhonkwane ngemva kokukhipha ukusakaza ukuze kulungiselelwe ishothi elandelayo.Kufanele kube nezikhonkwane ezanele zokukhipa ukuze kugcinwe amandla ephinikhodi ngayinye ephansi, ngoba ukusakaza kusashisa futhi kungonakalisa amandla amakhulu.Izikhonkwane zisashiya uphawu, ngakho kufanele zibekwe ezindaweni lapho lezi zimpawu zingeke ziphazamise khona injongo yokulingisa.

Ezinye izingxenye ze-die zihlanganisa ama-cores namaslayidi.Ama-cores yizingxenye ezivame ukukhiqiza izimbobo noma ukuvula, kodwa zingasetshenziswa ukudala neminye imininingwane.Kunezinhlobo ezintathu zama-cores: eziqinile, ezinyakazayo, nezixekethile.Ama-fixed cores yilawo aqondiswe ngokuhambisana nendlela yokudonsa of the dies (okungukuthi lapho ifa livulekile), ngakho-ke ayagxiliswa, noma anamathiselwe unomphela ku-dies.Ama-cores ahambayo yilawo aqondiswe nganoma iyiphi enye indlela ngaphandle kokuhambisana nesiqondiso sokudonsa.Lezi zinhlamvu kufanele zikhishwe emgodini wokufa ngemva kokuba isibhamu siqina, kodwa ngaphambi kokufa kuvuliwe, kusetshenziswa indlela ehlukile.Amaslayidi afana namacores anyakazayo, ngaphandle kokuthi asetshenziselwa ukwakha izindawo ezingaphansi.Ukusetshenziswa kwama-cores agudlukayo namaslayidi kukhulisa kakhulu izindleko zokufa.Ama-loose cores, abizwa nangokuthi ama-pick-out, asetshenziselwa ukusakaza izici eziyinkimbinkimbi, njengezimbobo ezinentambo.Lawa makhora axegayo ashuthekwa ku-die ngesandla ngaphambi komjikelezo ngamunye bese ekhishwa nengxenye ekupheleni komjikelezo.Umnyombo kufanele ususwe ngesandla.Ama-loose cores awuhlobo olubiza kakhulu lwe-core, ngenxa yomsebenzi owengeziwe kanye nesikhathi somjikelezo esandayo.Ezinye izici kuma-dies zihlanganisa amaphaseji okupholisa amanzi kanye nama-vent eduze kwemigqa yokuhlukanisa.Lezi zikhala zivame ukuba banzi futhi zizacile (cishe u-0.13 mm noma 0.005 in) ukuze kuthi uma insimbi encibilikisiwe iqala ukuwagcwalisa insimbi isheshe iqine futhi inciphise izilahliwe.Awekho ama- risers asetshenziswayo ngoba ukucindezela okuphezulu kuqinisekisa ukudla okuqhubekayo kwensimbi kusuka esangweni.

Izakhiwo ezibaluleke kakhulu zezinto ezifayo ukumelana nokushaqeka okushisayo kanye nokuthambisa ezingeni lokushisa eliphakeme;ezinye izinto ezibalulekile zifaka ukuqina, ukuqina, ukumelana nokuhlola ukushisa, ukushisela, ukutholakala (ikakhulukazi kuma-dies amakhulu), kanye nezindleko.Ubude besikhathi sokufa buncike ngokuqondile ekushiseni kwensimbi encibilikisiwe kanye nesikhathi somjikelezo.[16]Ama-dies asetshenziswa ekubumbeni ama-die ngokuvamile enziwa ngezinsimbi zamathuluzi aqinile, ngoba insimbi ewugqinsi ayikwazi ukumelana nokucindezela okuphezulu okuhilelekile, ngakho-ke ama-dies abiza kakhulu, okuholela ezindlekweni eziphezulu zokuqalisa.Izinsimbi eziphonswa emazingeni okushisa aphezulu zidinga ukufa okwenziwe ngezinsimbi eziphezulu ze-alloy.

Imodi yokwehluleka eyinhloko yokufa kokusakaza ukufa ukuguga noma ukuguguleka.Ezinye izindlela zokwehluleka ukuhlola ukushisa nokukhathala okushisayo.Ukuhlola ukushisa yilapho imifantu engaphezulu kwenzeka endaweni ngenxa yoshintsho olukhulu lokushisa kuwo wonke umjikelezo.Ukukhathala okushisayo yilapho imifantu engaphezulu yenzeka endaweni ngenxa yenani elikhulu lemijikelezo.