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Vevor rotary table troubles
A bit of an aside to the main topic, but ... has anyone else had some of the teeth strip on their RT? I've got a 6" Vertex, and was using it to mill a contour ... apparently it was too much for the RT. :( -
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Back yard foundry casting iron.
Speaking of putting it in the oven reminds me of the old foundry book I have that talks about various formulas for making cores involving molasses or other ingredients - can't remember what all now, but it sounded a lot like baking! :)- awake
- Post #12
- Forum: Home Foundry & Casting Projects
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Hobby or more....hobby and make money...
My two cents: From time to time I have done machine and/or fab work for various friends - usually small projects, but in one case a multi-week project involving around $750 in materials. I have steadfastly refused to take any money other than covering the materials, though I was tempted in the...- awake
- Post #8
- Forum: The Break Room
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Sieg lathe motor conversion
Interesting. Based on a very limited sample size - one Grizzly 7x14 mini-lathe - I would have thought that the typical import controller was a PWM circuit driving a DC permanent magnet motor. This is also what every treadmill motor / controller I've ever acquired has been (maybe 8-10 examples)...- awake
- Post #46
- Forum: Machine Modifications
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I'm new to the site and the hobby. 😄
Welcome to the forum!- awake
- Post #3
- Forum: New Member Introductions
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New to me.
Welcome to the forum, and congrats on the lathe - it's a classic! -
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Arduino Rotary Table for Dummies
Yes, switches are very noisy, and unless "de-bounced," spurious key presses are pretty much inevitable. There are two approaches to debouncing, hardware or software. The hardware approach is to add a small capacitor between the signal and ground (try .001uF to .01uF or so) - this assumes a...- awake
- Post #501
- Forum: Machine Modifications
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Need Help Please!!!! and recommendations for harbor freight 1x30 belt sander
I will echo Rich's comment. I made my own 2 x 72" belt sander, using a treadmill motor and its controller board (one of several acquired for free). Different treadmill controller boards are set up in different ways, and some are more proprietary than others ... but most tend to have one of a few...- awake
- Post #3
- Forum: Machine Modifications