Wɔ nnɛyi mfiridwuma mu nneɛma a wɔyɛ mu no, wɔde castings di dwuma kɛse wɔ kar, mfiri, ahunmu ne mfuw afoforo mu esiane wɔn ahoɔden a ɛkorɔn, wɔn ho yɛ den a ɛko tia ne plasticity a ɛyɛ den a ɛyɛ den nti. Nanso, casting ahorow ahorow wɔ nsonsonoe kɛse wɔ nneɛma, akwan ne dwumadie mu. Saa nsonsonoeɛ yi ho nteaseɛ betumi aboa adetɔfoɔ ne mfiridwumayɛfoɔ ma wɔapaw nneɛma a ɛfata paa a wɔde bɛtow agu na ama wɔatumi ayɛ nneɛma no yie na wɔayɛ no yie.
Nsonsonoe a ɛda anhwea a wɔde gu ne nea wɔde gu mu pɛpɛɛpɛ ntam .
Anhwea a wɔtow no yɛ casting production nhyehyɛe a wɔtaa yɛ no mu biako na ɛfata ma afã akɛse a ɛnyɛ den-ahyehyɛ afã horow. Ɛyɛ nea ɛda adi wɔ ɔkwan a ɛho ka sua ne adeyɛ a ɛnyɛ den so, nanso ɛkorɔn a ɛyɛ mmerɛw ne nsusuwii a ɛba fam a ɛyɛ pɛpɛɛpɛ. Nea ɛne eyi bɔ abira no, casting a ɛyɛ pɛpɛɛpɛ (te sɛ wax casting a ayera) betumi ayɛ castings a ɛwɔ nsusuwii a ɛyɛ den na ne kɛse yɛ pɛpɛɛpɛ, a ɛfata ma afã horow a ɛwɔ ahwehwɛde a ɛkorɔn, te sɛ nnuruyɛ mfiri anaa wimhyɛn engine afã horow. Nanso, precision casting wɔ ɛka kɛse ne production cycle tenten, enti ɛfata kɛse ma batch nketewa ne bo a ɛkorɔn-added products.
Nsonsonoe a ɛwɔ dade a wɔde gu mu, dade a wɔde ayɛ adwuma ne aluminum a wɔde afra mu adwumayɛ mu .
Wɔtaa de cast iron di dwuma wɔ mfiri adwinnade nnyinaso, piping nhyehyɛe ne afã afoforo a ɛhwehwɛ sɛ ɛyɛ den kɛse esiane ne wear resistance pa ne shock absorption su nti. Dadeɛ a wɔde cast ayɛ no wɔ ahoɔden ne toughness a ɛkorɔn na ɛfata ma afã a ɛwɔ nhyɛsoɔ anaa nsunsuansoɔ a ɛkorɔn te sɛ valve ne gears. Wɔde aluminum alloy castings di dwuma kɛse wɔ kar engine, ɛlɛtrɔnik nneɛma ho adan ne mfuw afoforo mu esiane wɔn su a emu yɛ hare na ɛyɛ nsɛe-ɛko tia. Nneɛma ahorow a wɔde gu mu no wɔ wɔn ankasa mfaso wɔ ahoɔden, mu duru, nsɛe a ɛko tia, ne nea ɛkeka ho mu, na ɛsɛ sɛ wɔpaw no sɛnea dwumadie tebea pɔtee bi te.
Nkɛntɛnso a ɔhyew ayaresa nya wɔ casting adwumayɛ so .
Sɛ wɔtow gu wie a, mpɛn pii no, ɛsɛ sɛ wɔyɛ castings no ho adwuma na ama wɔn mfiridwuma mu nneɛma atu mpɔn. annealing betumi atew adwennwen a ɛwɔ mu no so na ama plasticity atu mpɔn; Sɛ wodum na ɛma wo ho yɛ den a, ebetumi ama ayɛ den na ayɛ den. Ɔhyew ayaresa akwan horow no bɛka castings no adwumayɛ a etwa to no kɛse. Enti, sɛ wɔrepaw castings a, ɛho hia sɛ wɔma wɔn ɔhyew ayaresa ahwehwɛde ahorow no mu da hɔ na ama wɔahwɛ ahu sɛ wɔadi tebea horow a wɔde di dwuma no ho dwuma.
Nteaseɛ a ɛfa adeyɛ kwan so, honam fam nneɛma ne ɔhyew ayaresa kwan a wɔfa so yɛ castings no betumi aboa adetɔfoɔ ma wɔasisi gyinaeɛ a ɛwɔ nimdeɛ pii. Sɛ ɛyɛ akyi a wɔrehwehwɛ a ɛba fam-cost mass production anaasɛ ɛho hia sɛ wɔde kɔ soro-precision customized parts, casting selection a ɛfata no betumi ama ahotoso a emu yɛ den ama product adwumayɛ ne production efficiency.
