How To Grind A Hss Turning Tool | The Hobby-Machinist
To grind the rake angles all you do is use the push block to push the bit straight into the belt (or your wheel) – that's all, a straight push. You do not move side to side here. I visually align the front edge of the push block with the flat face of the platen and just push straight into the belt while my other hand maintains the 15° tool angle.