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  1. #136
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    hiroller there is a guy in Dandenong that is selling marine ply sheets for $10 a half sheet. But its that tropical hardwood stuff. Course grained and splintery.

    $_20.jpg $_202.jpg

    I am thinking that while a 15mm sheet is costly. I could make a drill press table, a shooting board and all kinds of jigs from a sheet of baltic.

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  3. #137
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    Apr 2012
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    Sydney
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    Sounds like a plan. The plywood suppliers that cut to size will have an off cuts bin also.

  4. #138
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    Feb 2006
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    Perth
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    Rather than clamping a wooden table to a the DP table I use a X-Y vice hard bolted to the DP and when needed I clamp a wooden table in that.
    See here Drill press mods
    That way I can swap between wood an metal a bit quicker.

  5. #139
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    Hi Bob - This drill press is exclusively for wood. I do not work with metal.

  6. #140
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    Feb 2006
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    Perth
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    Quote Originally Posted by thumbsucker View Post
    Hi Bob - This drill press is exclusively for wood. I do not work with metal.
    Even if I was only using a DP for wood, I would still set a DP table up on an XY mechanism of some sort.
    This enables the work/.table/fence/clamps to be moved in the X-Y directions by very small amounts.
    This means that fences or work pieces can be positioned approximately and then precisely with the X-Y mechanism.

    I realise that XY mechanisms are not cheap but if you ever see one going cheap they are worth grabbing.

  7. #141
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    The capstan came back from the powder coaters today.

    So I threaded in a 1/2" BSW bolt as a temp handle and tried drilling a few holes.

    I had the VFD at 40 herz??? and using a sharp bit caused the wood to burn.

    So I reduced the speed to 30, then to 20 then 10 before the bit would stop burning the wood.

    However using a 1/2" bit will cause the spindle & motor to stall a small 1/16" bit will drill but slowly.

    I am not sure were to look for the problem or how to solve it. Here is what I have thought of so far:


    • The VFD needs to configured correctly.
    • The single to three phase VFD is simply under powering the three phase motor (Not enough torque at low RPM).
    • I did not assemble the spindle assembly correctly and something is just slipping under load (Doubtful since the stall happens at the motor).

  8. #142
    Join Date
    Oct 2001
    Location
    ACT
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    455

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    so..... is the rotation of the drill bits / spindle in the correct direction?

  9. #143
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    Steve - hole in one - the bit is spinning anti-clockwise.

    Now how do I get a three phase motor to spin in the opposite clockwise direction?

    When you explain remember I am an electronic moron.

    So I need to swap the location of two out of three of the following wires. But which ones?

    IMG_4710 (1).jpg

  10. #144
    Join Date
    Jan 2007
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    Katoomba NSW
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    Any two. Easier to swap at the VFD.
    Those were the droids I was looking for.
    https://autoblastgates.com.au

  11. #145
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    Just a quick note to say thanks. A simple change of the wire caused the motor to rotate in the correct direction. I was able to drill holes with ease. I will take some photos of the drill press and something I am working on tomorrow.


    I hope to shoot some video as I have a few questions that maybe I need help with.

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