RS485 For Hypertherms
06 Jul 2020 08:47 #173734
by tommylight
Replied by tommylight on topic RS485 For Hypertherms
Not screaming, yet. 
I can not help much about what document goes where as i read everything here, and i have to agree with Rod that they are very nicely done, the only thing i would add to the primer are some examples or just some links to actual builds, humans understand things much better by seeing them than by reading.
As for PlasmaC, the only thing that needs to be explicitly mentioned is the touch off on the Z axis, it is mentioned there but i thought i could get away without it and that led to some hiccups and some added headache for Phill.
Same thing for PlasmaC, example, the reed switch idea should have it's own page (maybe it does), and there are other methods of getting an ARCOK signal by using an induction coil and a big screw, or hal sensor with a ferrite round thingy ( brain failure), or with a 3$ sensor. Floating head ideas could be added there with floating switch, ohmic probing if it is not there, ....
Primer could also have some examples of cutting with some issues and how to correct them, like, torch to high or to low, speed to fast or to slow that can be seen from the dross underneath the cut, etc.
All this is to improve a bit the state of information about plasma on the net as it is miserable, just do a search for blowback plasma, there is literally thousands of pages with very wrong information about that. The same miss information is present for TIG welding with all kinds of magic stuff that will make you a great welder, it wont, only lots and lots of practice can do that.
I can not help much about what document goes where as i read everything here, and i have to agree with Rod that they are very nicely done, the only thing i would add to the primer are some examples or just some links to actual builds, humans understand things much better by seeing them than by reading.
As for PlasmaC, the only thing that needs to be explicitly mentioned is the touch off on the Z axis, it is mentioned there but i thought i could get away without it and that led to some hiccups and some added headache for Phill.
Same thing for PlasmaC, example, the reed switch idea should have it's own page (maybe it does), and there are other methods of getting an ARCOK signal by using an induction coil and a big screw, or hal sensor with a ferrite round thingy ( brain failure), or with a 3$ sensor. Floating head ideas could be added there with floating switch, ohmic probing if it is not there, ....
Primer could also have some examples of cutting with some issues and how to correct them, like, torch to high or to low, speed to fast or to slow that can be seen from the dross underneath the cut, etc.
All this is to improve a bit the state of information about plasma on the net as it is miserable, just do a search for blowback plasma, there is literally thousands of pages with very wrong information about that. The same miss information is present for TIG welding with all kinds of magic stuff that will make you a great welder, it wont, only lots and lots of practice can do that.
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06 Jul 2020 10:17 #173741
by rodw
That kind of depends on how willing the current development team is to implement new features proposed by R&D as they come to hand.
Replied by rodw on topic RS485 For Hypertherms
It would be nice if this better mousetrap was built in the same factory rather than being fragmented and stretching thin resources.
That kind of depends on how willing the current development team is to implement new features proposed by R&D as they come to hand.
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06 Jul 2020 11:35 #173748
by rodw
Yes as you know I have one in progress but its failing a test. Andy thought I should just submit it as is. But I've decided to send an email to the gatekeeper first
There is some real cool stuff here for plasma and then some. This is all in hal in real time
original feedrate, Arc radius, if the arc is a hole or not, kerf width and another 23 status bits I have not even dug through yet.
Plus Andy suggested that I include a directional heading that could be used to orient a tangential knife or saw blade. I can see a use for that too.
Anyway, I'm a bit worried about the dev team's response to some of R&D's future proposals. I just want Plasma to work without bothering about any special G code commands... or listening to complaints about more work....
Replied by rodw on topic RS485 For Hypertherms
I guess we will find out when the PR's appear.
Yes as you know I have one in progress but its failing a test. Andy thought I should just submit it as is. But I've decided to send an email to the gatekeeper first
There is some real cool stuff here for plasma and then some. This is all in hal in real time
original feedrate, Arc radius, if the arc is a hole or not, kerf width and another 23 status bits I have not even dug through yet.
Plus Andy suggested that I include a directional heading that could be used to orient a tangential knife or saw blade. I can see a use for that too.
Anyway, I'm a bit worried about the dev team's response to some of R&D's future proposals. I just want Plasma to work without bothering about any special G code commands... or listening to complaints about more work....
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