... !2)Advantages: a)Use Hydraulic rotation, smart deign ,impact structure and good seal features. b)Large Feeding Cabin, High working ... Cylinder and Side Press head.Bale tilting cylinder etc1 Main frame consists of Bottom, Side Plate,Covering Plate,Main Cylinder Support, Side ... seal , which make the fore and aft space . When high pressure to the fore space, the piston run forwardII) Hydraulic System: ...