Jun 06, 2016· FEECO Tire (Tyre) Grinding Machine, Tire and Trunnion Grinding in Progress. Rotary Drum Tire (Tyre) Wear Pattern from Excessive Wheel Skewing, Rotary Drum Tire in Need of Tire Grinding ... Replacement Rotary Drum Parts. Pugmill Mixer (Pug Mill, Paddle Mixer) Replacement Parts. Rotary Dryer (Drier) Process Audits.