igwe igwe mpịakọta
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igwe ihe igwe (Rolling die, alloy material)
The isi na-arụ ọrụ akụkụ na ngwá ọrụ maka na-aga n'ihu plastic deformation nke metal on a Rolling Mill.The mpịakọta bụ tumadi esịnede mpịakọta ahụ, mpịakọta olu na aro head.The mpịakọta ahụ bụ n'etiti akụkụ nke mpịakọta nke na-etinye aka n'ezie na-atụgharị metal. Ọ nwere ihe dị mma cylindrical ma ọ bụ grooved elu. A na-etinye olu mpịakọta n'olu na ihe na-atụgharị na-ebufe ya na etiti site na ụlọ na-ebufe na ngwaọrụ pịa.
