Nigel Graham 2 | 03/11/2019 23:09:07 |
3293 forum posts 112 photos | I wonder if the first attempt's problems were as I found when trying to use a piece of old saw-blade? The original gauge-plate blades, and hack-saw blades, are of rectangular section so the tool does not have to enter the work-piece very far for it to start binding in the groove. ' Having a screw-head projecting on the chuck side of the tool-holder may not matter for the particular lathe and use; but it's worth examining a commercial parting-tool holder of this general pattern. The clamp-screw is basically a short bolt with a shallow head, inserted from the tool side and nutted on the other, open side. The blade is thus held by a flange that is itself located to prevent rotation, by having a small flat acting against the ledge on the holder body. |
old mart | 04/11/2019 19:48:27 |
4655 forum posts 304 photos | When I bought my 7 X 12 Warco mini lathe, the original owner had bought a parting off holder for the tapered HSS blades. Unfortunately, he had fitted the blade upside down, which was worse than a parallel sided one. |
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