Latest threads in ⏣ General Metalworkingshow only best voted threads
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Every Man in The Room Thinks He's The Smartest Man In The Room
I first heard this from one of those talking heads on the radio. Well, it was radio. I guess it could have been a talking butt hole. It can say with 100% certainty. Anyway, as I recall it they were...
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2 days ago
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Lifting Don's well cover
Hi Don, I had great plans for you to be a new government official after The Cull. But I hadn't seen any sign of you for years prior to my recent move, so I was kinda hoping you'd preceded me here. Oh...
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3 days ago
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simple shop made hydraulics?
Anyone here ever made simple shop-made hydraulics? I do have a pretty decent lathe (Enterprise 1550) and I'm a not-half-bad home shop machinist after decades of very slow learning whilst creating lots...
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3 days ago
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I feel better -
- after learning that the crawling in rust and sweating over stuck bolts that I'm doing under the old car is worth $160 an hour.
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4 days ago
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how you knew beam deflect vs stress
Jim - lost previous thread. You used that formulation for beam deflection in relation to beam *stress*... For a "simple beam" (like a plank bridging two points) deflection = sigma.L^2 / 6.E.H sigma =...
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4 days ago
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Buy Local They Said - EV Charging Station
I try. If its not much more, if they have it, and its not more hassle than it should be. Lets start by saying the people at the local KIA dealership should really know their products better. My wife...
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4 days ago
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mains electrical supply connectors crimping
Hello all I'd appreciate fine detail on crimp connectors for "mains" electrics in a home. Example - a "straight-through" connector looks something like this ___________/ ___________ / to connect wires...
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6 days ago
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I'm baaaaack!
Sorry for my absence because I know it led to some false stories. Let's just say that rumors of my demise are greatly exaggerated!
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1 week ago
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Subject: Still alive, doing OK
I bailed out of RCM about 11 years ago when metalworking content became almost totally swamped by vulgarity and politics. But I haven't forgotten the many friends I found during the decade or so that...
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1 week ago
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Padded Flat Platen
I've got a little 1x30 belt grinder I use for gentle deburring some aluminum parts. I use the slack belt portion and it does a decent job with a 400 grit belt. I get a lot of life out of the belts by...
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1 week ago
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Major diameter of external thread
The nominal size of a thread is the major diameter of the internal thread, or the nut. In other words the tap's major diameter. This is the same for metric and imperial threads. When cutting an...
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2 weeks ago
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battery spotwelder
Does anyone have useful experience with spotwelding nickel strips to Li batteries with an AC spotwelder as the power source? For equipment I have a Harbor Freight 240V portable spotwelder and a 240V...
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2 weeks ago
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Taper-Lock vs tapered shaft
I've long wondered how well a "taper-lock" pulley secures to a shaft, relative to a traditional tapered shaft and bore. The idea would be to use a taper-lock flange on a straight shaft engine to drive...
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3 weeks ago
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Ridgid tubing cutter 205
Yesterday I bought an older Ridgid tubing cutter, model 205, cast zinc, opens to 2-3/8" (2" pipe) and has 4 rollers. It needed a new cutter wheel screw which I made. It's meant for copper and...
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3 weeks ago
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Re: "Yankee" Calipers & Dividers
I can tell you Starrett & Lufkin Calipers are the most popular. The Starrett differences are; Toolmaker Spring Type No.274,275,277 2-6” Caliper OD/ID/Divider = round leg / solid nut Fay Spring Type...
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4 weeks ago
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