Latest threads in ⏣ General Metalworkingshow only best voted threads
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Tile saws and sharpening stones
Has anyone used a tile saw to slice up a sharpening stone? Somewhere I have two pieces of a soft arkansas stone that I'm considering trying to carve into some custom shapes for sear polishing and...
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16 years ago
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Tight radius bending
I've never owned a slip roll or done much round bending before. I'd like to bend some 050 or 063 aluminum in a "U" shape -- about 2.5" deep and perhaps a 3/8 to 1/2" radius. I do have a finger brake...
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16 years ago
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Clausing 5914 chatter -- update
The latest experiment was to use a grooving tool bit that came with the lathe. The business end is 0.205" wide, tapering to a neck about 0.75" back, so the sides of the groove being machined are not...
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16 years ago
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Ryobi BGH827 8" bench grinder vibration
If you recall, I had a struggle with a Ryobi bench grinder given to me by a well-meaning relative. I first reported the saga in the thread "Vibrating grinder returns" (21 April 2007). The then plan...
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16 years ago
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SGCC ?
What does SGCC stand for? It seems to be hot-dip galvanized steel. Best regards, Spehro Pefhany
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16 years ago
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Technical aspects of drill bit sharpening
I recently discovered how to fix an issue with drilling that I was having... I wanted to drill at a fairly slow speed in certain materials and found that one type of bit worked best. Unfortunately,...
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16 years ago
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fs - this pile of older machinery related catalogs and magazines may be of interest to some
here's the link, helping an elderly friend make space
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16 years ago
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Engine turning AL
Hi, all- I just tried engine turning some AL bar stock using a wood dowel and (unknown grit) water-based valve grinding compound. I've used this combo on steel with nice results, but on AL I just get...
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16 years ago
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fs: anyone need a couple of 440V VFDs (1 HP)
through a rather odd e-bay experience, I've ended up with a couple of allen bradley VFDs - 440V ones that I have no anticipated use for - they are from the PowerFlex series, Catalog 22A-D2P3N104,...
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16 years ago
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carborundum grit sizes
I have recently acquired some Carborundum/Silicon Carbide in 1 lb. jars. The labels indicate: 1F RA 2F RA 180 GG 220 RA 400 RA The last 3 are pretty straightforward, but what do the first 2 mean and...
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16 years ago
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Motor shaft mounted chuck
I bought a used Fisher Scientific overhead lab mixer. The mixer motor is a rebranded Bodine gear motor with a direct drive output shaft and a gear reduced output shaft. The mixer came without a drill...
7
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16 years ago
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tool steel application
So here's the deal- I have some antique wood planes that I'll use- I don't want to use the original 'irons' (metal scraper part) because they are pitted & preserved for history's sake. I have cut some...
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16 years ago
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Ping Rob Fraser
Rob, Thanks for the info on the roll bar mount. The bar is part of a complete cage that I think is strong enough. Seeing as you build competition engines I have a question for you. I am putting...
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16 years ago
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Roll bar mounting holes
Gentlemen: I would like to install retractable seat belts in my old Jeep. To do this I need to have a point on the roll bar to mount the swivel for the shoulder belt. This is normally attached with a...
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16 years ago
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"springy" metal
"The Kid" took a 2500 part job for my CHNC. We're one short on tooling spots in the turret. So, I'm designing a custom bar puller finger thing that will bolt on the cutoff tool holder. (You always...
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16 years ago
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