1. Fɛn min ye casting ye
Nɛgɛ jilama bɛ bɔn mɔbili kɔnɔ min cogoya bɛnnen don o yɔrɔ ma, a jɔlen kɔfɛ, yɔrɔ dɔ bɛ sɔrɔ min cogoya, a bonya ani a sanfɛla cogoya dɔ bɛ sɔrɔ, o min bɛ wele ko casting. Fɛnba saba: alli, modeling, pouring ani solidification. Nafa min ka bon kosɛbɛ: yɔrɔ gɛlɛnw bɛ se ka dilan.
2. Casting yiriwali
Sɛnɛ daminɛna san 1930 waatiw la ni fiɲɛbɔlanw ye ani bɔgɔdaga dilannenw ye.
Siman cɛncɛn suguya bɔra san 1933
San 1944, nɛnɛ gɛlɛn min datugulen don ni resin cɛncɛn bɔgɔlan suguya bɔra
CO2 gɛlɛn ji gilasi cɛncɛn mɔli bɔra san 1947
San 1955, thermal coating resin sand shell suguya bɔra
San 1958, furan resin no-bake cɛncɛn mɔli bɔra
San 1967, siman woyolen cɛncɛn mɔli bɔra
San 1968, ji galasi ni organique hardener bɔra
San 50 tɛmɛnenw na, fɛɛrɛ kura minnu bɛ kɛ ka bɔgɔdaga dilan ni farikolo ye, i n’a fɔ: magnetic pellet molding, vacuum sealing molding method, lost foam molding, a ɲɔgɔnnaw Casting fɛɛrɛ suguya caman minnu sinsinnen bɛ nɛgɛdaga kan. I n’a fɔ santirifugal (centrifuge) sɔgɔli, tansiyɔnba sɔgɔli, tansiyɔn dɔgɔman sɔgɔli, ji bɔli, a ɲɔgɔnnaw.
3. Fɛn minnu bɛ kɛ ni casting ye
A. Ladamuni ni fɛn caman sɛgɛsɛgɛli. Nɛgɛfɛnw bɛɛ lajɛlen. Casting tɛ dan a yɔrɔ girinya, a bonya ani a cogoya ma. A girinya bɛ se ka bɔ garamu damadɔ la ka se tɔni kɛmɛ caman ma, kogo janya bɛ se ka bɔ milimɛtɛrɛ 0,3 na ka se mɛtɛrɛ 1 ma, wa a cogoya bɛ se ka kɛ yɔrɔ gɛlɛnbaw ye.
B. Fɛnɲɛnɛma ni dɛmɛnan minnu bɛ kɛ, olu fanba bɛ bɔ yɔrɔ caman na, wa u sɔngɔ man gɛlɛn, i n’a fɔ nɛgɛ tiɲɛnenw ni cɛncɛn.
C. Castings bɛ se ka castingw hakɛ tiɲɛni ni u sanfɛla cogoya ɲɛ ka tɛmɛn casting fɛɛrɛ kɔrɔlenw fɛ, walasa yɔrɔw ka se ka tigɛ dɔɔnin ani ka sɔrɔ u ma tigɛ.
Poste waati: Awirilikalo-11-2022
