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10-03-2016 #1
Got the X axis motor mounted and belted up tonight, all ready for temporary wiring and motion tests this weekend :)
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10-03-2016 #2
Looking good Dave.
Something to think about is whether you want to be able to quickly see the X axis belt to check the tension and general health over the months and years ahead.
Can the machine be tipped up on its side to look underneath? Or maybe a small window cut into the end plate with a perspex cover. Not critical, just a thought.
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10-03-2016 #3
With an assistant, it can be up-ended onto the back plate, the bed will also be pretty easy to remove - just few allen screws and it will slide back or right off if wanted, this would be the preferred method of access to the screws and belt inside.
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12-03-2016 #4
We have motion :)
Running a square at the limits...
https://youtu.be/tZ2FtlGJOf4
Air-cutting a 280mm circle...
https://youtu.be/fF-aAMadkAw
There is a frightening amount of power behind those axes, I tried applying some load but even with me forcing it as much as i could it made no difference :)
Then i moved on to limit switches - X first, using inductive sensors...
My brilliant idea was to use one sensor on the moving part of the axis and have two adjustable targets, all good so far;)
Got that lot fitted and set X++, X-- and X-Home all to one input (this was the smart bit I thought)
But....
The limits work but I cannot jog off of either end - it just shows "Limit switch triggered" immediately after pressing Reset, and the home works but immediately throws a limit fault after homing.
So...
Am I correct in now thinking that I am indeed a twat and you must have TWO sensors or have I missed something simple??
These sensors seem to not flip on or off - they flicker a little as the target gets near - is this normal??
Close but no cookie yet :)
Here's the rough lash-up of my panel...
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30-08-2016 #5
I always touch the touchplate to the tool before doing the probing now, just to make sure!
Sent from my HUAWEI VNS-L31 using Tapatalk
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31-08-2016 #6
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31-08-2016 #7
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31-08-2016 #8
Yep, thats pretty much what i thought while i watched my new cutter get buried in the bed :)
I have a little less trust for it now but thats probably not a bad thing.
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31-08-2016 #9
OK I have mine sorted I use a Purelogic board for the router but I have a simple bob tagged off it for the probe this had 5V inputs pulled high. I had put a resistor in series with the input pin sometime ago and I had forgot about it. I measured the voltage on the probe plate, It was only about 3.3V so there was my problem it was just on the edge of working when I removed the resistor it measured 5V. Problem solved for me anyway.
..Clive
The more you know, The better you know, How little you know
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