How To Sharpen A Parting Off Tool
The work was fed across the edge of the grinding wheel with a light inward pressure to make the cut.
How to sharpen a parting off tool. The grinding rest was tipped to give the required side clearance relief and the fence adjusted to give the side cutting edge angle. If youve used the bench grinder recently youll want to dress it removing the old bits of debris caught in the stone. S harpening this tool can be a real pain.
To effectively sharpen this tool you need to get the sharp side points to. 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. In general the method is to use either a grinder or belt sander and then finish with a hone.
I took a 4 thin grinding wheel and cut the shape on the end of the sawzall blade and then I cut the teeth off. This gets down to clean wood and it evens out the brass pins. Video on how to properly sharpen and use HSS parting.
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. Think of it as a facing tool. Simply turn the wheel on and draw the tool across the surface of the stone.
Sharpen cut off blade for lathe. The un-skewed cutting edge of the parting tools actually makes them much easer to sharpen. 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.
Parting tools of almost any sort seldom give the best possible finish. If using HSS parting blades grind andor hone the cutting edge to ensure its sharp. I find that locking my carriage is an essential step to take in order to maximize rigidity.