First: Preparation Before Grinding
A: Assembly of Drill Bit and Fixture
- Checking the diameter of drill bit shank, then select the suitable collet chuck and cutting sets.
- Insert the collet chuck into the fixture and lock the nut.
- Put the drill bit into the collet chuck, and keep 35~50mm out of the collet chuck.
- Adjust the scale to suit the outer diameter of the drill bit, and adjust the angle of point angle.
Attention: Keep some margin for adjusting before locking the chuck sets.