How To Sharpen Lathe Tools With A Stone
So the factory-ground angle is a good starting point.
How to sharpen lathe tools with a stone. When grinding the turning tool should be placed in the horizontal center of the grinding wheel and the tip of the tool should be slightly upward for about 3 8 When the turning tool contacts the grinding wheel it should move horizontally in the left and right directions. These angles on your bit determine how quickly or aggressively the tool cuts into the workpiece and even how large the chips and shavings are. If the gouge reflects light back then its time to sharpen it back up.
To sharpen you need to hold the stone in one hand and place your lathe tool at a 45-degree angle. They are quite thin and the diamond layer will disintegrate and peel off if the tool that you are sharpening digs in at all. However if you take care they will work just fine.
The tool rest or jig should be absorbing most of the force from the grinder or lathe allowing you to guide without a death grip on the tool. Refresh the stone surface. The work was fed across the edge of the grinding wheel with a light inward pressure to make the cut.
Simply turn the wheel on and draw the tool across the surface of the stone. Now turn on the grinder and with the tool parallel to the wheel touch the tip of the tool. Grinding the side face of the tool.
Hold the gouge or chisel under a well lit lite. There is no risk to your fingers since the stone runs at 90 rpm. Lay the tool on the rest and slowly push the gouge toward the wheel.
When you sharpen a lathe tool bit youre really re-drawing a number of critical angles. So once gain adjust the angle of your tool rest to where the angle will be around 70 degrees and start grinding. How to Sharpen Wood Turning Tools.