C61Y series full hydraulic open die forging hammer (C type) is an open die forging hammer with a C-shaped structure and three-side operation space.The forging and lifting are both driven by hydraulic oil,the lower chamber of cylinder under the piston is always filled with high pressure oil,the forging and lifting are realized by controlling the oil pressure filled in the top chamber of piston.It suit to produce all kinds of open die forgings.