Correct on the back side. Alan Lacer tough me how to hollow grind the turning tools. He suggest an Eight inch wheel to keep the hollow shallow. Step ! is to shape tool; step 2 is to sharpen tool; and step 3 is to hone the tool razor sharp.
Alan says a 6 inch wheel is too small and would probably cause the fragile edge.
To me the beauty of the hollow grind is that I can go back and re-hone several times before needing to resharpen, hopefully saving a lot of time. I'm going to try; let you know how it works out.
If you have a break out and an eraser cut will not fix it; how do you glue it (clamping etc. ) and what kind of glue do you use for a repair? What are the considerations for the glue and gluing technique?
I tend to just use regular wood glue. Many people, just for speed sake, use C-A glue or super glue. Just be aware that whatever glue you use, it most likely will affect the finish. Any time I have to glue anything (should I admit this??) I try to carve over the surface once the glue is dried to make sure there is no glue left on the surface. The C-A glue tends to soak into the wood and this is more difficult to do. The regular wood glue does not soak in as much.
Some places it is impossible to clamp, so you just need to hold it or tape it until it is dry.
Have you ever tried hollow grinding your gouges? Pro / cons.
I'd like to try; but I really do not have a feel for the performance of gouges vs grind; your explanation concerning a curved beveled made sense to me, and I think a hollow grind would also work. Like you opinion before I try.
I am assuming you are referring to hollow ground on the back side, correct? When I first started carving, I had to grind all my gouges on a grinding wheel and creating a hollow ground simply by the shape of the grinding wheel. From what I have seen, the hollow ground makes no difference, so I wouldn't purposely put one on it. With a flat bevel, the wood clears nicely enough. I would just be cautious about having a double or curved bevel on the back of the gouges as it will cause you to make a more "scooping" cut rather than a slicing cut. One of the potential issues to making a hollow ground is that the blade can tend to be much more fragile and thin.
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From Gerald Leonard on Sharpening a Curved Gouge - Beginner Lesson #4
Go to comment2014/05/13 at 12:09 am
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