Gyinabea a ɛwɔ mu a ɛwɔ ɔpon a ɛwɔ mu no mu wɔ nsusuwso a ayera no mu .
Die casting a ɛreyera no mu pon a ɛreyera no gyinabea a wotwitwa no nyɛ sɛ ebia ebetumi ama wɔahyɛ no ma a ɛyɛ mmerɛw na akwati basabasayɛ. Ebia ɛnyɛ nea mfaso wɔ so ma die casting a ɛreyera no, efisɛ foam mold no ne gas ade no, enti ɛrentumi nyɛ yiye sɛ wɔrennya gas, na ɛrentumi nyɛ yiye sɛ gas a ɛde ba no renkɔ dade a ɛyɛ nsu no mu. Ɛho hia sɛ yɛhyɛn nsuo dadeɛ gas no mu na gasification nyɛ nkaeɛ bi koraa, sɛ ɛbɛyɛ yie, sɛ wɔbɛnya saa atirimpɔw yi, ɛtɔ da bi a ɛhia sɛ wɔyɛ artificial manufacturing, turbulence, nsuo dadeɛ shock, create gas ne slag floating ne discharge liquid level conditions, nso turbulence ma ɛnya quality of disraly casting no nyɛ asiane.
Wɔ nhyehyɛe a ɛfa inlet gyinabea a casting no, nsu dade betumi ahu ntease kyekyɛ a thermal field ne sequential solidification anaasɛ synchronous solidification, wɔ ɔkwan foforo so no, ɔhyew kyekyɛ a nsu dade. Flow field no yɛ adeyɛ no ara kwa, nanso field a ɛyɛ hyew no yɛ awiei.
Sɛnea ɛbɛyɛ a yɛbɛkɔ so akyerɛkyerɛ nnyinasosɛm a ɛwɔ gyinabea a ɛwɔ mu a ɛwɔ mu no mu no, ɛsɛ sɛ yɛte gasification su a ɛwɔ foam type no ase. Wɔ gasification su pii a ɛwɔ foam model no mu no, ɔhyew no wɔ nkɛntɛnso kɛse. Wɔ ɔhyew tebea a ɛkɔ soro mu no, ahoɔhare a wɔde yɛ foam no yɛ ntɛmntɛm, mframa no di mũ, na wɔanyɛ nkae biara. Adeyɛ no nso yɛ pɛ wɔ casting no mu, baabi a ɔhyew no yɛ kɛse (ɔhyew a ɛkorɔn), nkae biara nni hɔ, foam gasification defect biara nni hɔ; Baabi a ɔhyew a ɛba fam (ɔhyew a ɛba fam) no gyaw hɔ no, gasification no sintɔ no bɛba.
Enti, die casting a ɛreyera no hu sɛnea ntease kyekyɛ wɔ ɔhyew field a ɛwɔ mu pon no mu denam nhyehyɛe a ɛwɔ hyɛn no mu pon no mu no so. Botae a ɛho hia ne sɛ wɔbɛyɛ dade a ɛyɛ nsu nyinaa betumi akɔ foam mold no so na wɔafa asɛyɛde a ɛne sɛ wɔbɛma ɔhyew akɔ foam type no so, sen sɛ ɛbɛyɛ nsu mu dade pɔtee bi a ɛfa ɔhyew adwuma a ɛwɔ foam mold no mu no ho. Foam su a ɛwɔ ɔfã biara mu no ne dade nsu a ɛyɛ hyew kɛse no di nkitaho a ɛnka dade nsu a ɛyɛ hyew a ɛba fam; Wɔn nyinaa wɔ gasification koraa wɔ ɔhyew a ɛkorɔn mu sen sɛ wobegyaw nkae wɔ ɔhyew a ɛba fam mu.
