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    Calculate mandrel size for spring winding

    I know this is an old thread, but your spreadsheet is just what I was looking for! I am winding 2-coil torsion springs from music wire, and the spring must fit inside the device in which it is used, so there is a machined circular slot to accommodate it. My first attempt using 0.062" music wire...
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    This is my flame eater !

    Ah, yes! I hadn't noticed that on the first viewing. Thanks! :)
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    Cogsy's Rupnow Vertical

    Sweet! Nicely done! :)
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    This is my flame eater !

    Nice job! On these kinds of engines, can you adjust their speed by moving the fire pot?
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    Tubal Cain Wobbler

    Nice Job! I made one similar from LMS plans a few years ago. They called it a Reciprocating Engine. Glad you had fun doing it! :)
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    Power Feed on a SIEG X2 style large table from LMS?

    I've been watching the Clutch videos on You Tube by Stefan Gotteswinter, and I have to say it must be nice to be able to make the aggressive kind of milling and boring cuts he is making on the full sized mill. :) Weight and mass sure make a difference. He does nice work and has some very nice...
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    Power Feed on a SIEG X2 style large table from LMS?

    Hi XD351, If you can't locate the info on the power feed resistor change, I'll dig through my paperwork and see if I can find it. I was just looking on the LMS site and didn't see any mention of it anywhere. It is possible that newer versions of the power feed box being sold now already have...
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    Power Feed on a SIEG X2 style large table from LMS?

    Hi XD351, I am curious if you have one of those power feeds that has been tweaked for added power? Initially, I had a terrible time getting mine to work, as it kept bogging down and stalling out, simply moving the table at its extremes, especially on the RH end as you face the mill, even...
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    Power Feed on a SIEG X2 style large table from LMS?

    Little Machine Shop sells an oversized base and XY table for the SIEG X2 style mini mills. Their part number for it is 3677. I am interested in upgrading my Homier X2 style mini mill with that table, but rather than spend an additional $300 to get the power feed kit that is made for that...
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    Reducing Mini-Mill Column Flex (and Column Y-Axis Alignment)

    Or you can try this: http://www.industrialmetalsales.com/1018-Cold-Finished-Steel-Flat-Bar-1-2-x-4-x-12-1840-CF1018SteelFlat500x4x12.htm If you email or call them they will cut it to any length you like. In fact they will sell you pretty much any dimension of the metals they carry. They are in...
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    Reducing Mini-Mill Column Flex (and Column Y-Axis Alignment)

    Honestly I've never tried LH threads. But I guess it would work the same way. Threading was the first thing I taught myself on my mini-lathe. But I also have yet to try internal threading. For that I normally use a tap. After learning about "fast spiral" taps, I fell in love with them and never...
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    Reducing Mini-Mill Column Flex (and Column Y-Axis Alignment)

    I am curious if, with the solid column upgrade, you still found the forward head "droop" of several mils common to the stock X2? The modification you linked to at the bottom of your post shows dual turnbuckles, one of which is to deal with that droop. I had not seen it done, but got the idea...
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    Reducing Mini-Mill Column Flex (and Column Y-Axis Alignment)

    You'll be glad you did! Adding a stiffener to my Sieg X2 was one of the best modifications it has seen, and is allowing me to do much more agressive milling. Like cutting T slots in the 6" table plate I made to sit atop my 3" Grizzly Rotary Table. I can now easily mill 0.050" cuts in steel with...
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    Reducing Mini-Mill Column Flex (and Column Y-Axis Alignment)

    I know this thread is rather dated, but I wanted to thank the OP for sharing this information. After looking over a lot of ways to do column stiffening I have chosen to use the method around which this thread was written. :)
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    Mini-Mill Spindle-Column Alignment

    Very handy info here! I am going to work through these procedures as I prepare my X2 mill for the installation of a column stiffener plate. :)
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