Twin Automatic Cot Grinding Machine Model: TWINCOT Highlights The machine has two grinding zones.200 mm width grinding zone for automatic grinding of small cots like Ring Frame, Speed Frame etc.25 mm width grinding zone for grinding long cots like Draw Frame, Comber etc.Continuous grinding of small & long cots.Works on hydro-pneumatic system with PLC/MMI.Auto feeding system on 200 mm width grinding zone.