Latest threads in ⏣ General Metalworkingshow only best voted threads

Subject Author Posted Replies
 
sharpening end mills
I've got a bunch that have chipped tips on the flutes , and I guess it's time I learned to sharpen them instead of tossing them and buying more .I've poked around a little and found a design for a...
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Engine i.d.
I have a old tecumseh engine it had a problem take off shaft but all the number tags are missing and I can't find a set of piston rings to fit piston measures 69mm and the bore in the cylinder is 70mm...
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Custom D-Drill
Any tips for making my own custom D-Drill and getting dimensions right other than sneak up on it, test it, and try again? I often drill hing pins on gravity casting molds with 3 operations. They are...
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thoughts test-sample X-ray ali welds
Hi all Comments? This is for the Ali welding idea. Is essentially an all-weld-metal testpiece, but reasonably realistic for thermal cycle, the welding condition the welder was presented with making...
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??? Actually a STUB length carbide 1/2 in end mill ???
Actually a STUB length carbide 1/2 in end mill. I have a couple small high speed milling machines. They are not ever going to be able to handle a heavy cut with a 1/2 inch end mill, but being able to...
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Biggest Tool For Small (FAST) Spindles - 24K
What is the largest tool you run routinely on your high speed 24K spindles in aluminum. For me I do run (extra short) 1/2 inch spot drills and chamfer mills at high speed, but my tool of choice for...
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What is Hot Short?
Its something I have read a couple times about the non-weldability of some alloys. Particularly those that have additives for better machineability like 1144. Its something I have read a couple times...
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tight fitted top jaws
The top jaws on the 6" 6-jaw CME (Sanou) chuck I received are VERY tight in the main jaws, enough to need a plastic hammer to remove. I've been sanding them down with a square backing bar as the guide...
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freezer temp swing
Had a bad moment a couple of nights ago when our small chest freezer malfunctioned . It's down in the cellar and doesn't get checked often so we don't really know how long it was offline . A lot of...
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macro etchant for Ali
Hi all Could you remind me. Macro etchant for Aluminum... To inspect welds on Ali. I think the suggestion a few months back was spray-on oven cleaner. Brands/types which work? Am in the UK, so would...
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McMaster Again - Their unfair reputation on price
Recently in my search for Metric stainless rod stock McMaster Carr had the best price. By a lot. The next best quote was almost double. It was still 4 times more expensive than similar size standard...
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Just when it looked like ...
I could proceed with the reassembly of my neighbor's side by side UTV without finding more problems . I'm not sure if I've posted about this , the machine is a HiSun 700 , apparently a clone of a...
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Ali MIG/GMAW 27m swaths w twin Cat C32 V12's
Hi Dave and anyone interested Earlier part of this year worked welding Ali "SWATH's". SWATH = Small Waterplane Area Twin Hull things. Sole use (?) servicing offshore windfarms - which are serious...
 
America is Really Metric Under The Surface
I admit that lots of things made in the USA are metric. The US standard inch was officially redefined as exactly 25.4mm. The claim that America is really metric under the surface seems reasonable...
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Pin Punches - Starrett Vs ___________
Pin Punches - Starrett Vs ___________ Do you own a set of Starrett pin punches? Do you own something else you think is just as good (or better)? Can you abuse them? I've had generic hardware store pin...