odie
TOTW Team
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- Dec 22, 2006
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(Note: This tip is for the novice......I am not presuming you experienced turners haven't figured this out!)
Do you have trouble getting that smooth artistic curvature on your bowl while shear scraping.
Well, there could be other reasons for it, but here's one major factor that could help you out! All scrapers are ground with a sharp edge on the bottom of the tool. When you angle the scraper, that sharp edge doesn't want to slide on the surface of your tool rest very well. The remedy for this is quick and easy........and one application will last a long time.
Photo #1.....
Simply take that sharp bottom edge off with your grinder......being sure to keep the tool steel vertical, or parallel to the plane of your grinding wheel. Holding it in this fashion, you will be making your grinding marks in the direction most of your shear scraping needs will require. You will only have to take off the sharp edge, so one or two quick swipes will be enough. If you go over the entire length of the steel, you will never have to do this again.
Photo #2.....
After you've taken off that bottom sharp edge, go over the length of the edges with a piece of emery. I've found that 100gt will do well, but the finer you choose to go, the smoother that corner will be......and the more you'll have to work it to take out those grinding marks. (Your choice on how fine you wish to go.)
NOW, take that scraper and do some very fine shearing cuts on your workpiece. You'll find the difference to be a great improvement on how well your scraper bottom corner will slide across your tool rest.......
otis of cologne
Do you have trouble getting that smooth artistic curvature on your bowl while shear scraping.
Well, there could be other reasons for it, but here's one major factor that could help you out! All scrapers are ground with a sharp edge on the bottom of the tool. When you angle the scraper, that sharp edge doesn't want to slide on the surface of your tool rest very well. The remedy for this is quick and easy........and one application will last a long time.
Photo #1.....
Simply take that sharp bottom edge off with your grinder......being sure to keep the tool steel vertical, or parallel to the plane of your grinding wheel. Holding it in this fashion, you will be making your grinding marks in the direction most of your shear scraping needs will require. You will only have to take off the sharp edge, so one or two quick swipes will be enough. If you go over the entire length of the steel, you will never have to do this again.
Photo #2.....
After you've taken off that bottom sharp edge, go over the length of the edges with a piece of emery. I've found that 100gt will do well, but the finer you choose to go, the smoother that corner will be......and the more you'll have to work it to take out those grinding marks. (Your choice on how fine you wish to go.)
NOW, take that scraper and do some very fine shearing cuts on your workpiece. You'll find the difference to be a great improvement on how well your scraper bottom corner will slide across your tool rest.......
otis of cologne
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