Pottery shell mode kwan .

Nkuku mu akorade nkuku a wɔde gu mu no mu dodow no ara yɛ kakraa bi, ɛnyɛ mmerɛw sɛ wɔde bedi dwuma, afiri a wɔde yɛ adwuma, ɛka kɛse, enti, nea wɔde di dwuma no sua koraa, titiriw ma mfonini ahorow:
(1) Eyi yɛ ma welding na wotumi tow gu nipadua biako mu .
(2) Nneɛma a wontumi ntwitwa no yiye no betumi atew dodow a wɔde yɛ adwuma no so kɛse .
(3) Nneɛma a ɛyɛ den a ɛwɔ adwinni, adwinni ne nsaanodwuma mu .
Sɛ wɔde toto dewaxing casting ho a, wobetumi ayɛ no casting akɛse anaasɛ nam afã horow a ɛyɛ den, anaasɛ dewaxing casting kwan dodow no ara sua dodo. Nneɛma a ɛwɔ hɔ ne:
(1) Dadeɛ nkukuo ahodoɔ nyinaa: die-Casting, plastic a wɔde yɛ (atow a wɔde tow, press a wɔde yɛ hot pressing) ma ahwehwɛ nneɛma, rɔba nneɛma, ne forging.
(2) Blade: steam turbine kɛse, impeller ahorow ahorow a ɛkɔ so tu .
(3) Afã horow: ɛlɛtrɔnik akwankyerɛ wavetube, wimhyɛn a ɛma ɛyɛ den, valve nipadua, ne nea ɛkeka ho .
Ceramic shell mold kwan no de silica gel solvent di dwuma sɛ ade a ɛkyekyere, powder a wɔde hyɛ mu a wɔde afrafra ne gelatinization .
Ineding, sɛ slurry. Wɔde nsu a ɛyɛ fĩ a ɛyɛ nsu a edi mũ gu nhwɛsode no ani, ɛyɛ mmerɛw, wɔanwene, nsu a ɛwɔ mu wɔ 700℃, ayow, wɔahyew wɔ 1000℃ma ahoɔden no atu mpɔn, na wɔayɛ nkuku a wɔde dɔte ayɛ no. Sɛnea ceramic shell mold no mu duru yɛ 3~20mm. Sɛ worehwie casting kɛse bi a, ɛsɛ sɛ wɔde ceramic shell mold no akyi no hyɛ padded mu de gyina bearing metal melt no mu duru so.
Model Material in less amount use surface treat material, mass production of metal or resin, filler using high melting point refractory a ɛkorɔn a wɔde siw adeyɛ a ɛne dade a wɔabɔ no ano, ade a wɔde yɛ dade a wɔde ayɛ ade no, nneɛma nketenkete a ɛkyekyɛ a ɛnyɛ den sɛ ɛbɛhyew no yɛ nneɛma akɛse a wɔde nneɛma nketenkete afra mu, betumi anya ahoɔden a ɛfata ne soro a wɔde di dwuma, mpɛn pii no wɔde gelelling di dwuma de twetwe nsu a wɔde yɛ nsu a wɔde yɛ nsu a wɔde yɛ nneɛma a wɔde yɛ nsu a wɔde di dwuma wɔ nsu mu, a wɔde di dwuma.
Wɔayɛ nsakrae wɔ filler no mu duru ɔha biara mu nkyem 100 mu ne nea ɛkyekyere no so sɛnea ɛbɛyɛ a ɛbɛhwɛ sɛnea nsu a ɛyɛ fĩ no yɛ nsu, ahoɔden ne mframa a ɛkɔ mu no so. Nneɛma a wɔde hyɛ mu no dodow ma nsu a ɛyɛ nwunu no dodow yɛ mpɛn 1.5 kosi 2.5 wɔ nkwaa no mu.
Nneɛma a ɛwɔ akyi a wɔde yɛ ceramic shell mold no betumi ayɛ dry, oil sand, carbon dioxide, anaa dadeɛ a ɛwɔ hɔ daa. Ɛsɛ sɛ wodi kan yɛ nkuku no hyew ansa na wɔatow, 500℃, 200℃low melting point metal, 200℃, sɛ ɛbɛyɛ yiye a, wɔ mframa a ɛnyɛ adwuma mu de asiw oxidation anaasɛ decarbonization ano.