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31st January 2016, 08:11 PM #136
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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31st January 2016, 10:47 PM #137GOLD MEMBER
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Sounds like a plan. The plywood suppliers that cut to size will have an off cuts bin also.
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1st February 2016, 10:26 AM #138.
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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.
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1st February 2016, 01:11 PM #139
Hi Bob - This drill press is exclusively for wood. I do not work with metal.
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1st February 2016, 03:15 PM #140.
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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.
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5th February 2016, 01:40 PM #141
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).
- The VFD needs to configured correctly.
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5th February 2016, 10:11 PM #142SENIOR MEMBER
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so..... is the rotation of the drill bits / spindle in the correct direction?
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5th February 2016, 10:47 PM #143
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
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6th February 2016, 12:31 AM #144
Any two. Easier to swap at the VFD.
Those were the droids I was looking for.
https://autoblastgates.com.au
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6th February 2016, 10:47 PM #145
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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