Best Rated threads in ⏣ General Metalworkingshow all threads
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Table jumps around when drilling with an end mill
I think I know what's happening, but I'd like people's take on this: I was drilling six 5/16" holes (in a line, spaced 0.4037" apart), carefully centering the Millrite spindle over the crossed layout...
37
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17 years ago
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37 | |
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Rust scale removal
I have a host of mild steel parts, ranging from small lathe tools to large JCB wheels that I would like to de-rust and - for some, - paint. All the methods I have tried take ages, are not really...
8
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17 years ago
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8 | |
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Bursting speed of flywheels (and overspun ball bearings)
Machinery Handbook has long had a section of flywheels. In the 20th edition, on page 346, states that all that matters is surface speed at the periphery, and the tensile strength of the steel, and...
20
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18 years ago
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20 | |
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208-230V Single Phase Motor wiring
I just came into a new motor and I'm attempting to figure out the wiring for it. This is a more complex setup than I've had to figure out before. There are 7 wires in total, nicely packaged into a 9...
5
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18 years ago
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5 | |
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Converting ac welder to dc
need plans to convert ac welder to dc thanks andries
7
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18 years ago
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7 | |
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Santoprene vs Norprene
Can anyone give me a quick run down on applications where Santoprene would be used over Norprene or the other way around. Terry
2
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19 years ago
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2 | |
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Adjusting the taper spindle bearings on a RF-45 clone:
I have just taken ownership of one of the RF-45 clones. The spindle seems to have a lot of "radial" play. Hope that is what it is called. I basically put a dial indicator against the lowest portion of...
1
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19 years ago
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1 | |
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10" South Bend Lathe Model No?
I just picked up a 10" South Bend Lathe. The Catalog Number is 199A and it has 4' bed. There is square base motor housing that tapers up the Bed. The tailstock end has a 2 point Leg and a chip pan. It...
3
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19 years ago
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3 | |
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?How to cut spherical wedge for lathe tool post lantern?
I ordered one from J&L, but the Armstrong 89-441 the right width for my .56" slot, but is too short for the 3" diameter dish it sits in. So I made one yesterday with a radius of ~ 2.85" and a height...
5
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19 years ago
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5 | |
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8mm Collets for Pultra lathe
Hi, Does anyone have any idea about from where can I obtain 0.1 thru' 0.5 mm collets, ideally in the UK, for my newly acquired Pultra lathe (model BZ38 or FZ38 - don't know which), at a sensible price...
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20 years ago
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Speed control on the 398 and 400 Dremel models
Hi all, my Dremel 398, like all Dremel 398's I guess, has what I'd define a lousy speed control: if e.g. I set the speed to 5000 rpm, and then put some strain on it, it's not capable of keeping the...
6
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16 years ago
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