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The relief angle may help a little. Most shears I've used have a slight relief on the bottom blade, whether it's from an angled grind or that the blade...Last edited by eKretz; Yesterday, 12:33 PM.
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My idea is to grind the top blade the rest of the way to clean-up. Shim it out afterwards if necessary. The item being cut will fold over every time if...
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You can measure a bore in a pinch with an adjustable parallel and NO spheres. Just have to apply flat-to-round correction based on the width of the parallel...Last edited by eKretz; Yesterday, 11:32 AM.
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Looked like more than half a division to me, but the camera was pretty far away. Generally, a ½ micron or .000020" resolution indicator is used...
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Indicator or DRO are both better than dials for me because they're easier to read quickly. I tend to focus on efficiency and getting things done quickly...
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This works especially well if you have a DRO. I wouldn't suggest trying to do this with dials. If you don't have a DRO, set up dial indicators, one registering...
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All of your questions are dependent on the size of your machine. A big monkeywrench in the works from the start in terms of plunge cutting the radius...
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The heat transfer issue is the reason for the sort of out-of-place-looking t- handles on the Rahn version of this tool. With those, the only connection...
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Garolite (G-10) should be excellent. The last shop I worked in did a lot of work for one of the major Garolite suppliers, it is very commonly used for...
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You can call it whatever you want, it acts as a drive key if the holder tries to move. And if that happens, you can kiss it goodbye as well as usually...
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I hate R-8. I have run so many machines in shops that either have a mangled drive key or none at all. I have a QC30 on my machine but mine can use either...
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All of the guys telling you that HSS can't be annealed with the easy tricks listed in this thread are dead on correct. HSS needs to be cooled slowly (VERY...Last edited by eKretz; 02-19-2021, 11:06 AM.
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Yeah older machines really get the tapers banged up. Especially when the tools you're putting in and out might weigh 20 pounds. We used to regrind the...
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Again, it's not all about the hardening or not, though that certainly can and does play a role. The thermal expansion and contraction can cause cracks...
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Yes, right on. This is exactly what I was talking about earlier....
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PM for contact info if you want it, I'm not going to put it out there on an open web page...
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The "glass bead" from Harbor Freight is pretty good for removing rust and paint, and doesn't leave any residue. It is not like the glass bead...
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On a small part maybe not much difference, the whole part heats up either way. On a large one the entire part must be brought up to preheat temp for welding....
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Bull. Brazing does not require near the preheat that proper welding does, nor a slow post-cool if the workpiece is not irregularly shaped or of very thick...
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