Nsonsonoe titiriw a ɛda casting nhyehyɛe ne shell nhyehyɛe ntam ne wɔn nkyerɛase, dwumadie tebea, mfasoɔ ne ɔhaw, ne dwumadie akwan pɔtee.
Precision casting process: Precision casting (precision casting) yɛ adeyɛ a ɛfa wax mold a wɔde nneɛma a ɛyɛ hyew kata so ma ɛyɛ akorade. Afei wɔde wax no nwene, na wɔde dade a ayɛ kusuu no gu nkuku no mu ma ɛyɛ dade afã horow a ɛyɛ pɛpɛɛpɛ na ɛyɛ nwonwa. Precision casting products yɛ pɛpɛɛpɛ na ɛyɛ den, na ɛte sɛ afã horow no nsusuwii a etwa to no yiye, na ɛma wotumi de di dwuma tẽẽ anaasɛ wɔde di dwuma kakraa bi, na ɛma ɛyɛ nea ɛkɔ anim a ɛbɛn{2}}NET formable process.
Shell-Type Process: Shell-Type nhyehyɛe no ka nsuo ahwehwɛ akoradeɛ, akoradeɛ a wɔabom ayɛ, ne silica sol akoradeɛ ho. Wɔde nsu ahwehwɛ akorade adi dwuma wɔ China bɛyɛ mfe 50 ni. Nkɔsoɔ kɛseɛ wɔ ahoɔden mu aba denam nkɔsoɔ a ɛba wɔ akyi-layer refractory nneɛma ne hardeners foforɔ a wɔde di dwuma no so. Akorade a wɔabom ayɛ no ma asase ani yɛ papa na ɛtew sintɔ so bere a wɔde toto nsu ahwehwɛ a wɔde ayɛ akorade ho no. Silica sol akorade fata ma casting medium to large castings, a ɛma akorade a ɛkorɔn fi hɔ na ɛma nsu no tumi fa mu kɛse.
Mfaso ne sintɔ ahorow .
Precision casting nhyehyɛe .
Mfaso: Nneɛma a ɛyɛ pɛpɛɛpɛ a ɛkorɔn, a ɛbɛn afã horow no nsusuwii a etwa to no, tew nea edi hɔ a wɔhwehwɛ sɛ wɔyɛ no so; a ɛfata ma afã horow a ɛyɛ den ne nea ɛyɛ pɛpɛɛpɛ a wɔyɛ.
Mfomso: ɛho ka yɛ den, bere tenten a wɔde yɛ nneɛma, a ɛfata ma batch nketewa, nneɛma a wɔyɛ no pɛpɛɛpɛ a ɛkorɔn.
Shell type nhyehyɛe .
Glass Shell: Mfaso: Ɛka a ɛba fam, ɛyɛ adwuma yiye, ɛfata ma mass production. Mfomso: asase ani su a enye, a ɛfata ma castings a ɛwɔ soro su a ɛba fam.
Composite shell: Mfaso: asase ani su pa, a ɛfata ma casting a ɛkorɔn alloy dade, tiawa production cycle. Mfomsoɔ: Ɛka kɛseɛ, ɛfata ma castings a ɛwɔ soro a ɛyɛ papa.
Silica Sol Shell: Mfaso: Ɔhyew a ɛkorɔn adwumayɛ pa, a ɛfata ma casting kɛse, dimensional pɛpɛɛpɛyɛ a ɛkorɔn. Mfomso: Nnwinnade a ɛkorɔn ne ɛho ka, a ɛfata ma batch a wɔyɛ wɔ mfinimfini ne akɛse castings.
Precision casting process: Ne titiriw no, nea ɛka ho ne wax mold yɛ, coating refractory nneɛma, melting wax, dade a wɔde hwie gu ne anammɔn afoforo. Wax mold no nam ayera-wax casting so na ɛyɛ, afei wɔde nneɛma a ɛyɛ hyew akata so na wɔde wax nkuku a ayɛ hyew akata so, na awiei koraa no wɔde dade ahwiehwie agu.
