Wɔ die castings no sintɔ ahorow mu no, nea ɛtaa ba ne pores. stomata su. ɛwɔ soro a ɛyɛ mmerɛw na ɛyɛ kurukuruwa anaasɛ ɛyɛ oval wɔ nsusuwii mu. no su no betumi ayɛ nea ɛwɔ casting no ani, anaasɛ wɔ casting no ase, anaasɛ wɔ casting{3}} mu.
(1) gas fibea .
1) mframa a efi alloy liquid mu - a ɛfa nneɛma a wɔmfa nyɛ hwee ho B a ɛfa smelting nhyehyɛe ho .
2) Gas A no ka die casting nhyehyɛe no ho na ɛfa die casting nhyehyɛe no parameters. b. ho.
3) Decomposition a ɛwɔ release agent no mu ma ɛyɛ gas A no fa coating no ankasa su ho. B. a ɛfa spraying process. ho.
(2) Gas nhwehwɛmu a wɔyɛ wɔ nneɛma a wɔde yɛ nneɛma ne nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma ho .
Gas a ɛwɔ aluminum nsuo no mu no yɛ hydrogen titire, a ɛyɛ bɛyɛ 85% wɔ gas no nyinaa mu.
Dodow a ɔhyew a ɛyɛ hyew no kɔ soro no, dodow no ara na hydrogen a ɛtumi nwura aluminium nsuo mu no kɔ soro, nanso nsuo a ɛtumi nwura mu wɔ aluminium a ɛyɛ den mu no sua koraa, enti wɔ berɛ a wɔreyɛ den no, hydrogen pue ma ɛyɛ pores.
Hydrogen fibea:
1) Nsu a ɛyɛ hyew wɔ wim, a ɛtwe hydrogen fi mframa a ɛyɛ nwini mu.
2) Nneɛma a wɔde yɛ adwuma no ankasa wɔ hydrogen, alloy ingot no ani yɛ nsu, na ade no ho gu fĩ na ɛyɛ ngo.
3) Nnwinnade ne flux yɛ nsuo.
(3) gas nhwehwɛmu bere a wɔreyɛ die casting .
Esiane sɛ nhyɛso dan, nsu a wɔde gu mu, ne abura no nyinaa bata wim ho, na dade a ayɛ kusuu no yɛ nea nhyɛso kɛse ne ahoɔhare kɛse ahyɛ mu ma nti, sɛ wontumi nnya nsu a ɛsen no nhyehyɛe na ɛyɛ mmerɛw a, dade a adɔ no ma eddy current ba, na mframa no ayɛ kɛse.
