Igwe ihe igwe mmiri mmiri bụ igwe na-egweri ọla edo na ọla ọcha na-ewu ewu na Africa na mba South America, n'ihi itinye ego ya dị ala, iji ya dị mfe na nhazi ya, yana mgbake ngwa ngwa. Ụzọ a na-emekarị bụ itinye mercury n'ime igwe nri mmiri na-ekpo ọkụ, ma gwakọta irighiri ọla edo na mercury, nke a na-akpọ Amalgamation. Mgbe ahụ, a ga-etinye ngwakọta nke ọla edo na mercury n'ime crucible maka ikpo ọkụ dị elu. N'oge usoro a, a na-ekpochapụ mercury ma hapụ ọla edo dị ọcha n'ime ite ahụ.
Ngwá ọrụ a na-anabata ọnọdụ ọrụ nke igwe na-egweri: nke mbụ, moto ahụ na-ebufe ike na onye na-ebelata ya, na n'okpuru draịva nke onye na-emepụta ihe, a na-ebufe torque ahụ na ogwe aka kwụ ọtọ n'elu nnukwu oghere kwụ ọtọ, mgbe ahụ, a na-ebufe torque na roller site na mkpara a na-adọkpụ arụnyere na nsọtụ abụọ nke ogwe aka kwụ ọtọ, nke mere na roller na-emepụta ike roxis na roxis. gburugburu nnukwu vetikal axis nke mgbochi mmiri na-atụgharị gburugburu etiti axis nke roller.The kwukwara ịnweta ihe na-echi ọnụ n'ala nke ọma mgbe extrusion ugboro ugboro, igwakorita na-egweri site extrusion mgbali wetara site arọ nke roller n'onwe ya na nnukwu esemokwu eme site roller n'oge ya mgbanwe na ntụgharị.
| Nlereanya | Ụdị (mm) | Nha ndepụta kacha (mm) | Ike (t/h) | Ike (Kw) | Ibu(ton) |
| 1600 | 1600x350x200x460 | <25 | 1-2 | Y6L-30 | 13.5 |
| 1500 | 1500x300x150x420 | <25 | 0.8-1.5 | Y6L-22 | 11.3 |
| 1400 | 1400x260x150x350 | <25 | 0.5-0.8 | Y6L-18.5 | 8.5 |
| 1200 | 1200x180x120x250 | <25 | 0.25-0.5 | Y6L-7.5 | 5.5 |
| 1100 | 1100x160x120x250 | <25 | 0.15-0.25 | Y6L-5.5 | 4.5 |
| 1000 | 1000x180x120x250 | <25 | 0.15-0.2 | Y6L-5.5 | 4.3 |
Igwe ihe igwe mmiri mmiri na-agụnye moto, igbe gearbox, shaft gearbox, pulley belt, roller na mgbanaka, eriri v, wdg.
Na-emekarị, otu akpa 20 GP nwere ike iburu 5 set zuru ezu 1200 mmiri mmiri igwe igwe ma ọ bụ 1100 mmiri mmiri igwe nri. Otu akpa 40 GP nwere ike iburu igwe nri 16 setịpụ na-enweghị ihe mkpuchi na mgbanaka.