Z axis probe height init

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27 May 2020 09:06 #169070 by phillc54
Replied by phillc54 on topic Z axis probe height init
You could set it so it just clears the 50mm tube.

PlasmaC is pretty good at high speed probing now so maybe you could try that as long as you have enough movement in your float switch.

Earlier you said that you made Z slower because it had some issues. You should have the JOINT_2 velocity and acceleration set to what the actual velocity and accelleration is that you reqire then set the AXIS_Z ones to twice that value.
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27 May 2020 09:22 #169075 by jay1st
Replied by jay1st on topic Z axis probe height init
I'll try that ASAP , or more like when i get the time to do it !
Tnx for the help !

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27 May 2020 10:16 #169103 by tommylight
Replied by tommylight on topic Z axis probe height init
FYI, i have probing set at 4m/m and at 150mm high on a 185mm travel, with setup speed of 9.6m/m and max speed at 12m/m. :)
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27 May 2020 12:04 - 27 May 2020 12:05 #169118 by sevaz
Replied by sevaz on topic Z axis probe height init

There is a short description here.

linuxcnc.org/docs/2.8/html/plasma/plasma...-guide.html#ihs-skip


Yes, I saw it, but still can't understand how it supposed to work: because it still probes the height with the float switch even it's in the radius of the IHS Skip
Last edit: 27 May 2020 12:05 by sevaz.

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27 May 2020 12:13 #169119 by phillc54
Replied by phillc54 on topic Z axis probe height init
I will check it out tomorrow.

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27 May 2020 12:15 #169120 by snowgoer540

There is a short description here.

linuxcnc.org/docs/2.8/html/plasma/plasma...-guide.html#ihs-skip


What exactly does IHS stand for?

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27 May 2020 12:17 #169121 by phillc54
Replied by phillc54 on topic Z axis probe height init
Initial Height Sense
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27 May 2020 12:25 #169124 by snowgoer540

Initial Height Sense


Ah, I would have guessed “Search”. I work in the land of a bazillion government acronyms so I don’t assume anymore.

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28 May 2020 03:01 #169185 by phillc54
Replied by phillc54 on topic Z axis probe height init

Then I don't understand how the IHS skip option works, because in the plasma guide there is no explanation about it. So I suggested, that if the IHS skip is active, it shouldn't search metal sheet and assume that it's the same height like it was at the end of the cut(or at the beginning of the cut when thc is off) thus I shouldn’t activate float switch. But it seems, I am terribly wrong


Well not many folk must use that feature, I broke it last August... :blush:

Thanks for the report, it is fixed now. :)

forum.linuxcnc.org/plasmac/37233-plasmac-updates#169184
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28 May 2020 07:20 - 28 May 2020 07:21 #169200 by sevaz
Replied by sevaz on topic Z axis probe height init
Many thanks! I will try it within in week.
And I just realized we have been using PlasmaC for more than one year already and it's amazing. Thank you for your outstanding work!
Last edit: 28 May 2020 07:21 by sevaz.
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