How To Sharpen A Parting Off Tool

Make sure your bench grinder is fastened securely to the floor with no wobble or give.

How to sharpen a parting off tool. I started off with a sawzall blade I think it was 1 14 wide and 12 long. Since everything was square I went over to the 12 monster disk sander and sanded both sides flush. I find that locking my carriage is an essential step to take in order to maximize rigidity.

Then turn the workpiece round and face it to the right length. Another important step is to make sure the cutting tip of your parting tool is right on the center line of the piece you are parting. Rigidity is extremely important.

Though a parting tool is one of the easiest tools to sharpen just the smallest mistake will ruin the edge and waste your precious steel. After honing the main bevel a few times the bevel gets long the hollow gets short and then I go back to the grinder and sharpen but not all the way to the cutting edge short by a 64th or so then start again with just honing. Think of it as a facing tool.

The work was fed across the edge of the grinding wheel with a light inward pressure to make the cut. The two leading corners are kept sharp because after the bevel is honed the bottom is also honed but the tool is lifted off the hone by half a degree give or take. To effectively sharpen this tool you need to get the sharp side points to.

Part-off Tool Inspection. If youve used the bench grinder recently youll want to dress it removing the old bits of debris caught in the stone. At length the result must be the point of the parting tool to be ground to a sharp.

Sharpen cut off blade for lathe. But that same shape makes sharpening difficult. The grinding rest was tipped to give the required side clearance relief and the fence adjusted to give the side cutting edge angle.