Slide 1, 2020-4-14 · 1. Crushing: When an external force is applied on material excess of its strength, the material fails because of its rupture in many directions.The particle produced after crushing are of irregular in shape and size. Food grain flour, grits & meal, ground feed for livestock are made by crushing process.GUNDLACH Crusher Aggregate Equipment For Sale, 2020-6-24 · Gundlach 3050S single stage, two roll coal crusher. Gearbox for timed rolls, hydraulic relief and adjustment system. 9 continuous tooth rolls. Grease lubrication. 75 HP motor and drive with guard. Separate support stand and conveyor.