How To Grind A Lathe Tool

If this happens consider starting over again from the beginning.

How to grind a lathe tool. When it gets hot enough to burn your fingers dunk it in the water and continue. How to Grind Lathe Tool Cutter Bits The cutter bit is that part of the lathe tool which cuts the metal that must be removed to bring the work to the desired size and shape. Dip the tool in coolant frequently to keep it from overheating and annealing.

Hold it flat against the tool rest which remember is at a 10 downward angle and slide it smoothly back and forth across the entire wheel. The work was fed across the edge of the grinding wheel with a light inward pressure to make the cut. In some cases you might want to purchase a higher quality fine grit wheel.

Begin by dressing the grinding wheel. If you sharpen a tool for a SHERLINE lathe use a 14 square tool blank and keep the cutting edge up to the top of the blank. You can grind the compound angle.

Any discoloration on the bit indicates it may no longer be hardened. Every ten seconds cool the bit in a bucket of water. The cutter bit is usually made of high speed steel and held in a lathe tool holder as shown in Fig.

Keep a small cup of water near your grinder. Cool the bit before you move to the next face and be careful not to over-grind any one face. The grinding rest was tipped to give the required side clearance relief and the fence adjusted to give the side cutting edge angle.

Grind each face separately. The reason I mention this stuff is that the Navy thought that learning how to grind a proper tool bit was Totally fundamental to ever learning how to be a machinist. Grinding Side 3 of the Tool.