Grinding Brake Drums on a Brake Lathe Practical Machinist
Jan 07, 2018· Other brake shoe grinder manufacturers sold a simpler design that cut the same radius on the lining, but it didn''t compensate for the anchor pin to drum distance (Cam grinding). Notice how the end of the brake shoe fits into the simulated anchor pin in this photo: Under heavy braking, the drum is forced into a more elliptical shape by the shoes.