Hydraulic / Semi Automatic Cot Grinding Machine Model: HYDCOT Highlights The machine is equipped with 200 mm width grinding zone for semi automatic grinding of small cots like Ring Frame, Speed Frame etc.Additional Interchangeable 25 mm width grinding zone for grinding long cots like Draw Frame, Comber etc.Works on hydro-pneumatic system with PLC/MMI.Manual feeding & De-feeding system of top rollers