Thread: Next stage is Plasma add on...
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05-03-2017 #1
The magnetic base was taken from a magnetic car aerial which was obviously stripped of all plastic bits "and drill through the centre and attached to the torch holder.
The torch is held with two 1.25- 1.5" BICC cable clamps which fit perfectly around the torch.
The torch is very "stuck" once attached but also detaches if it comes across an obstruction. There will be a micro switch attached to stop motion in case of a collision but that is to be attached.
I used this type of magnet so that i have an infinite number of angles to choose from if needed.
The torch and spindle occupy the same z axis as the is plenty of room on the table for both and i just cover it up when plasma cutting and remove the torch when i router with the spindle.
Hope this helps anyone if they are looking for ideas.
Cheers Tommy
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07-03-2017 #2
hi, i only know what iv done on mine and nothing else so im probably not going to be much help..........
iv used the relay on the bob to trigger a bigger 24v relay to fire the plasma.........is it firing the plasma on mach?.....
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07-03-2017 #3
Hello Warwick....not had it firing from mach yet only from pendant button. I made my own plug as the cheapest i could find was £86 + vat from a uk source for a 6 pin version. I got the plug wire and pins from RS for less than a Tenner so this was a massive saving.
The lead i made has continuity etc but i think im struggling with the pin outs.
As the pictures show i have a purelogic THC which is made for the hypertherm 45 and this is connected with an ethernet lead so not real sure what pins i need if any. My floating head has a micro switch on it which i have configured for both Z home and Probe scenarios but nothing happens.
I think i am missing some code / script as all the ones i have used have worked for finding top of material but i think i am missing the trigger scripts if that's what you want to call them.
So basically if you have any ideas or could share your scripts etc, i will be very grateful as no doubt, once it works it will be looking at me straight in the eye.
I do have the RS codes for the leads if anyone wants to make their own and save a massive amount of money instead of buying a hypertherm one.
Cheers Warwick and thanks for your reply.
Cheers TommyLast edited by Skiprat; 07-03-2017 at 08:00 PM.
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08-03-2017 #4
hi, iv two micro swithes on my z axis.top is machine home..bottom switch on slide is probe.g31 a very kind fella off the forum set up sheet cam to put the gcode into anything it post process's.........
thc ...havent a clue, im using a proma sd and struggling to get it working well....
can let you know how my 6 core cable is wired......
cheers
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08-03-2017 #5
Hello Warwick...
The six cores i have wired up with the full 6/7 cores inc ground so same as you, i have all avenues covered.
Just the gcode and scripts is what i am struggling with.
Scoured the internet and cant find a dummies guide to floating heads etc as they all have different pin out names etc.
The proma you have, has quite a few explanations online with pictures but mine has none or very few with minimal explanation.
I would like a schematic of someone else's to scrutinise and once i have mine working, i will post mine on line with pictures for other people to look at as a picture tells a great story if you know what i mean.
I will keep experimenting untill i get the thing working....LOL
Cheers Tommy
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08-03-2017 #6
its a very lonely place is the plasma section on any forum!!!!!`
the web is a nightmare for conflicting thoughts and nobody really posts the outcome of all the problems you are going through....
ill sort out the pins i have used and let you know.....
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08-03-2017 #7
Many thanks Warwick
Do you have yours set to spindle, thc on thc up thc down etc etc as these are all the scenarios i am looking at and everyone seems to have a different solution but if you have a hypertherm 45 at least we have this in common...
As usual sorry about all questions but as you have experienced, it is a pain in the butt and frustrating.....i.e so close yet so far away from a fully working machine.
Thanks Tommy
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