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  1. Forum support for math parsing with LaTeX.

    Testing the new latex system: \delta\varepsilon\lambda\Omega\cos

    .Me
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    Re: Workshop dust extraction...help!

    Problem with fine dust extraction is the clogging of the filters.
    Most woodwork shops do it using 2 filter extraction systems a high rate coarse filter as in the one you pictured and a fine dust air...
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    Re: Straightness of steel/alumunium box section

    Something to be aware of, I was using 6mm wall Al box section from Aluminiumwarehouse.co.uk. It was pretty straight, but slightly twisted. so that in 1m, on a 50mm box one side was about 0.5mm off...
  4. Re: Question on lathe

    As mentioned above, here is a picture of the operation.

    This can be used to centralise any pop mark in the four jaw.

    Using two centres, one in the tailstock, and one between the tailstock...
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    Re: Best way to machine ball screws?

    Dick has actually had a couple come loose but I feel that it's more they way he did it.

    Ok I'll share my secret machining technique here, anyone of a gentle disposition needs to shut their eyes at...
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    174,466

    Sticky: Re: Unsupported Precision Round Rail Calculator

    Nice one Ross, looks good to me. I fed those numbers into my Gantry Spreadsheet (using tube profile with OD 16 and ID 0, length 900mm and load 250N) and got the same values for second moment of area...
  7. Re: Are the Zapp 3NM steppers good with their PM-752 drivers?

    We sell the PM752 with the SY60 and they work well together.
    Also 72V is a bit too high for the PM752 driver, it will work, but is a bit close to the max voltage.
    At a high voltage the Arc motor...
  8. Re: Are the Zapp 3NM steppers good with their PM-752 drivers?

    for 25mm/s (1500mm/min) you need to spin those motors at 300rpm. At 72v those motors have a corner speed of 1023rpm so you will be near optimal as regard their torque curve, indeed you might be...
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