Uyu Muchina ndewekucheka simbi macoils (GI coils, PPGI coils, PPGL coils) mumashizha esimbi.
Muchina unogona kucheka ukobvu:
1) isingasviki 0.8mm.
2)0.8-1.5mm.
3)1.5-2.0mm
4) 2.0-3.0mm
Kudyisa macoil mumuchina, wobva wadzika uye kutwasanudza makoiri nesimbi kana rabha roller, ipapo mutengi anogona kuseta chero kureba kwekucheka paPLC control system, muchina unocheka kureba otomatiki.