A na-ejikarị ingot ígwè eme nnukwu forgings n'efu na nnukwu alloy steel forgings, nke enwere ike kewaa n'ime nnukwu ingot na obere ingot dịka nkọwapụta nke ingot ígwè si dị. N'ozuzu, uka dị ukwuu karịa 2t ~ 2.5t, dayameta bụ karịa 500mm ~ 550mm ingot a na-akpọ nnukwu ingot, ọzọ bụ obere ingot.

Pịa forging ingot forging eji tupu okpomọkụ nke kpo oku ọkụ mgbe loading na-ekewa n'ime oyi ingots (n'ozuzu maka ụlọ okpomọkụ) na-ekpo ọkụ ingot (n'ozuzu ukwuu karịa ụlọ okpomọkụ) n'ihi na oyi na-atụ ingots na n'okpuru 500 ℃ kpo oku plastic bụ ogbenye, na kpụrụ site na. ihe ingot na crystallization usoro na residual stress na okpomọkụ stress direction, ụdị ọ bụla nke anụ ahụ ntụpọ ga-eme ka nchegbu ịta ahụhụ, ma ọ bụrụ na a na-ezighị ezi kpo oku nkọwa, dị mfe ime. mgbawa. Ya mere, na obere okpomọkụ ogbo nke oyi ingot kpo oku, loading okpomọkụ na kpo oku ọsọ kwesịrị oke.
Forging kpo oku nnukwu ingot na multi kpo oku nkọwa, n'ihi na ya nnukwu ngalaba size, na n'etiti tensile nrụgide bụ nnọọ nnukwu, tinyere ala ingot ike, ogbenye plasticity, otú enịmde okpomọkụ nrụgide dị mfe ịgbawa mgbe kpo oku, Ya mere, okpomọkụ ọkụ ọkụ enweghị ike ịdị oke elu, ọkụ ọkụ kwesịkwara iji nwayọọ nwayọọ mee ya. Dị ka ihe atụ, n'ihi na carbon structural ígwè na alloy structural ígwè, ọkụ okpomọkụ bụ n'ozuzu 350 ℃ ~ 850 ℃, ingot size bụ obere, ọkụ okpomọkụ bụ nnukwu, na mkpuchi. N'ihi na alloy ígwè, dị ka elu na-agba ígwè, elu chromium ígwè dị mfe ịgbawa mgbe kpụ ọkụ n'ọnụ, ọkụ okpomọkụ kwesịrị ịchịkwa na 400 ℃ ~ 650 ℃. Mgbe okpomọkụ dị elu karịa 850 ℃, ingot nwere ike ikpo ọkụ na ọsọ ọsọ, ma ọ bụghị ngwa ngwa, iji zere ihe omume nke forgings n'ime na n'èzí okpomọkụ dị iche bụ oke ibu. Dị ka ihe atụ, forgings nke carbon structural ígwè na alloy structural ígwè ekwe ka okpomọkụ dị iche n'etiti 50 ℃ na 100 ℃.
Mgbe ikpo ọkụ obere ígwè ingot, n'ihi obere akụkụ ya, nrụgide fọdụrụnụ na nrụgide okpomọkụ nke ikpo ọkụ na-akpata adịghị nnukwu, ọkụ ọkụ na-agba ọsọ nwere ike ịdị ngwa ngwa, ya mere, maka carbon cable steel na obere alloy ígwè ingot, akụkụ nke ngwa ngwa. A na-eji nkọwapụta kpo oku mee ihe n'ịkpụ akpụ. N'ihi na obere elu-alloy ígwè ingot, n'ihi na nke ala okpomọkụ thermal conductivity bụ ogbenye, na nnukwu oyi ingot kpo oku, na-ejikwa multi-ogbo kpo oku nkọwa, forging blanks nwere ike arụnyere na 700 ℃ ~ 1000 ℃ okpomọkụ ọkụ.
Iji belata oge ikpo ọkụ ma chekwaa mmanụ ụgbọala, nnukwu ingot sitere na ogbako nchara mgbe a chụpụrụ ya, ezigara ya ozugbo na ụlọ ọrụ ọkụ ọkụ a na-emepụta ihe, ụdị nchara a na-akpọ hot ingot. Mgbe ọkụ ingot ọkụ odori, elu okpomọkụ nke 550 ℃ ~ 650 ℃, n'ihi na-ekpo ọkụ ingot na ezi plastic steeti, okpomọkụ nrụgide bụ obere, otú ọkụ ọkụ okpomọkụ nwere ike mma, dabere na ingot size na ihe dị iche iche, nwere ike. na-abụkarị 800 ℃ ~ 1000 ℃ ọkụ, obere ingot ọkụ okpomọkụ nwere ike na-akparaghị ókè, mgbe Nchaji nwere ike ịbụ otu n'ime ọsọ ikpo ọkụ kacha ukwuu.