How To Grind A Lathe Tool

Brian Warren from Meridian Community College demonstrates how to grind properly an HSS lathe tool bitIf you own or work with a manual lathe you know that.

How to grind a lathe tool. 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. During sharpening major flank face the lathe tool shank should be shifted an angle to the left as major cutting edge angle. Next look up the typical angles for the workpiece material and then follow the steps in Figure A2.

You will need to ensure the tool surface is. Grinding generates heat which can cause two problems. How to Grind Tool Bits Use a bench grinder to sharpen your tool bits.

Grinding the side face of the tool. Using the 60-grit wheel grind the long edge first. Grind each face separately.

You will have to be precise grinding the third side to accomplish this. You can grind the compound angle. In some cases you might want to purchase a higher quality fine grit wheel.

First I start with the end of the tool Called the face and set the rest on 5 to 7 degrees depending on the material to be machined. Lathe tool holder with high speed steel inserted cutter bit. 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.

Once your tool is cool repeat the process with the opposite side. Lathe tool touches the grinding wheel that the lathe tool should be moved around horizontally. The grinding rest was tipped to give the required side clearance relief and the fence adjusted to give the side cutting edge angle.