qtdragonhd / probing

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05 Aug 2024 20:59 - 05 Aug 2024 20:59 #307032 by chernogorsky
qtdragonhd / probing was created by chernogorsky
Hi, 
Im trying to get probing working
currently it looks like working all the functions I need but cant set up tool dia measurement

It test the dia with Z=0*, not 0*-Z_CLEARANCE

so the flow is
1. do probe_tool_with_toolsetter
1.1 touch TS
1.2 go back Z_CLEARANCE (Z = *0 + Z_CLEARANCE)

2. perform XMinus
2.1 Go to X+ # move X - edge_length- xy_clearance
2.2 Go down with z_clearance_down (Z = Z - Z_CLEARANCE == *0)
2.3 Perform probe('xplus')

on 2.3 I have an issue, since its try to locate the edge of the TS with Z = top_of_TS == *0

lcnc: 2.9.3
Last edit: 05 Aug 2024 20:59 by chernogorsky.

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07 Aug 2024 01:48 #307133 by cmorley
Replied by cmorley on topic qtdragonhd / probing
You may already know this but here is the function qtvcp calls for tool diameter probing (probe_tool_z_diam):
github.com/LinuxCNC/linuxcnc/blob/master...obe_routines.py#L314

Can you describe, using this code where the problem is?
If I understand you properly, you are saying the tool doesn't lower enough to touch the probe on the side of the tool when soide probing in X+ direction.
Does that mean when doing X- probing the tool _is_ low enough?

Chris
 

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07 Aug 2024 18:24 #307202 by chernogorsky
Replied by chernogorsky on topic qtdragonhd / probing
Hi Chris,
The problem as I see it
The time we go to line
# move X - edge_length- xy_clearance
we are at Z = 0* (found by probe_tool_with_toolsetter) + Z_CLEARANCE (made at the end of probe_tool_with_toolsetter)
and then we start probing xplus with Z move = Z_CLEARANCE, meanse we are doing probing on Z = 0*

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09 Aug 2024 06:12 #307291 by cmorley
Replied by cmorley on topic qtdragonhd / probing
Ok I see what you mean. What dimension should we use for Z depth?
Should it be 2x Z clearance?

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10 Aug 2024 06:03 #307400 by cmorley
Replied by cmorley on topic qtdragonhd / probing
I did some work on this in master. It now lowers/raises the tool 2x z_clearance.

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15 Aug 2024 13:56 #307817 by chernogorsky
Replied by chernogorsky on topic qtdragonhd / probing
Will check on master and be back

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15 Aug 2024 16:48 #307828 by chernogorsky
Replied by chernogorsky on topic qtdragonhd / probing
It looks like with 2x Z it works

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15 Aug 2024 17:03 #307829 by cmorley
Replied by cmorley on topic qtdragonhd / probing
Excellent.
Is there other things that need to be addressed to make it better?
The following user(s) said Thank You: chernogorsky

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15 Aug 2024 20:29 #307837 by chernogorsky
Replied by chernogorsky on topic qtdragonhd / probing
It does not set dia to the tool, not sure if its expected beheavior, but its minor.

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16 Aug 2024 05:12 #307882 by cmorley
Replied by cmorley on topic qtdragonhd / probing
Do you think a dialog to confirm that you wish to update the probed diameter in the tool table would be better or just always update?

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