Gmoccapy Toollength sensor routine stops sometimes

pe8art
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27 Nov 2024 14:57 #315379 by pe8art

Gmoccapy Toollength sensor routine stops sometimes was created by pe8art

Dear All.

I use Gmoccapy for my CNC-Router.
I use the macro below to measure my tool height.
Switching between tools it for some tools stops in the middle of traveling to the probe.
For others it doesn't, does anyone have an idea?

Best regards from The Netherlands.
Bart

o<messen> sub

#1700=2        (Wechsel X Position)
#1701=4        (Wechsel Y Position)
#1702=-10        (Wechsel Z Position)

#1800=-220        (Position sicheres Z)
#1801=38         (Position Taster X)
#1802=110        (Position Taster Y)



#1900=#<_coord_system>    (NP merken nur G54 bis G59)

o500 if [#<_current_tool> EQ #<_selected_tool>]
;(debug, Tool bereits in der Spindel)
o500 else 
M5
G54
G90 G0     

G53 Z#1702                    (Wechsel Z Position)
G53 X#1700 Y#1701        (Wechsel XY Position)
M6 T#<_selected_tool>

G53 X#1801 Y#1802       (Taster Position)
G53 Z#1800                (Sichere Z Position)

G43.1 Z0                (TLO reset)
G91
G38.2 Z-60  F500        (messen grob)
G1    Z1.0  F500        (frei fahren)    
G38.2 Z-10  F25         (messen fein)
#2000=[#5063+#5223]     (Tastpunkt+NP Verschiebung)
#2001=[#2000-#2002+#2003](Neu - diff + alt)  
#2002=[#2000]           (Tastpunkt alt merken)
#2003=[#2001]            (Offset alt merken)     
G1 Z5.0 F500            (frei fahren)
G90 G0

G43.1 Z#2001            (TLO set)
G53 Z#1800         (Sichere Z Position)
G53 Z#1702            (Wechsel Z Position)

;(debug, Differenz ist: #2001)

(NP wiederhestellen nur G54 bis G59)    
o100 if[#1900 EQ 540]
G54
o100 endif
o101 if[#1900 EQ 550]
G55
o101 endif
o102 if[#1900 EQ 560]
G56
o102 endif
o103 if[#1900 EQ 570]
G57
o103 endif
o104 if[#1900 EQ 580]
G58
o104 endif

o500 endif


o<messen> endsub
M2

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Aciera
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27 Nov 2024 19:37 #315405 by Aciera

Replied by Aciera on topic Gmoccapy Toollength sensor routine stops sometimes

stops in the middle of traveling to the probe.

Which move do you mean?
- XY move (G53 X#1801 Y#1802 )
- Z move (G53 Z#1800 )
- the actual probing move (G38.2 Z-60 F500 )

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pe8art
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27 Nov 2024 19:52 #315409 by pe8art

Replied by pe8art on topic Gmoccapy Toollength sensor routine stops sometimes

It stops doing this move.

- XY move (G53 X#1801 Y#1802 )

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Aciera
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28 Nov 2024 09:48 - 28 Nov 2024 09:51 #315446 by Aciera

Replied by Aciera on topic Gmoccapy Toollength sensor routine stops sometimes

For testing try inserting a queue buster command to halt the read ahead until the move is finished:

G53 Z#1702 (Wechsel Z Position)
G53 X#1700 Y#1701 (Wechsel XY Position)
M66 E0 L0 (Stop read-ahead and wait for code execution to catch up)

M6 T#<_selected_tool>

Also try and start your config from terminal (note the minux+letter'L') and check for messages when the routine fails.

linuxcnc -l

Last edit: 28 Nov 2024 09:51 by Aciera.

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pe8art
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28 Nov 2024 10:21 #315453 by pe8art

Replied by pe8art on topic Gmoccapy Toollength sensor routine stops sometimes

I tried the command but no different effect.

The Terminal spits out " 3 2 " every time regardless if it stops in the move or not.
It seems to be stopping at a specific sequence from tool to tool.
Some of the work ok some don't.
I have tried changing diameter of the tool for to no avail.

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Aciera
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28 Nov 2024 15:51 #315474 by Aciera

Replied by Aciera on topic Gmoccapy Toollength sensor routine stops sometimes

Not sure what's going on but you might want to insert some debugging statements:

M66 E0 L0 (Stop read-ahead and wait for code execution to catch up)
(DEBUG, 1702: #1702)
G53 Z#1702 (Wechsel Z Position)
M66 E0 L0 (Stop read-ahead and wait for code execution to catch up)
(DEBUG, 1700: #1700 1701: #1701 )
G53 X#1700 Y#1701 (Wechsel XY Position)
M66 E0 L0 (Stop read-ahead and wait for code execution to catch up)

M6 T#<_selected_tool>

Also make sure you don't have X or Y offsets in your tool table.

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pe8art
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28 Nov 2024 19:07 #315486 by pe8art

Replied by pe8art on topic Gmoccapy Toollength sensor routine stops sometimes

I included the debug in the file ( and added some more to see where its stops. )
It seems to stop between :
M6 T#<_selected_tool>
And
G53 X#1801 Y#1802 (Taster Position)

https://www.dropbox.com/scl/fi/e0e86m3nybph5brtqs0gq/debug.png?rlkey=nxuc87agn0ob35qfrmbiw368k&st=20z6b974&dl=0

Tools look like this:
T1 P1 X0.0 Y0.0 Z0.0 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D1.0 I0.0 J0.0 Q0 ;1 MM
T2 P2 X0.0 Y0.0 Z0.0 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D20.0 I0.0 J0.0 Q0 ;2mm

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Aciera
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29 Nov 2024 07:44 #315518 by Aciera

Replied by Aciera on topic Gmoccapy Toollength sensor routine stops sometimes

Oh, apologies I was looking at the wrong move.

Maybe try this:

G53 X#1700 Y#1701        (Wechsel XY Position)
M6 T#<_selected_tool>
M66 E0 L0 (Stop read-ahead and wait for code execution to catch up)
(DEBUG, 1801: #1801 1802: #1802 )
G53 X#1801 Y#1802       (Taster Position)
G53 Z#1800                (Sichere Z Position)
M66 E0 L0 (Stop read-ahead and wait for code execution to catch up)

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pe8art
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29 Nov 2024 16:23 #315558 by pe8art

Replied by pe8art on topic Gmoccapy Toollength sensor routine stops sometimes

I have included your code and added some extra debug comments.Consistently it stop changing from tool 1 to 2.
The code I added is:

M6 T#<_selected_tool>
(DEBUG, M6: #<_selected_tool> )
M66 E0 L0 (Stop read-ahead and wait for code execution to catch up)
(DEBUG, 1801: #1801 1802: #1802 )
G53 X#1801 Y#1802       (Taster Position)
(DEBUG, before Z#1800)
G53 Z#1800                (Sichere Z Position)
M66 E0 L0 (Stop read-ahead and wait for code execution to catch up)
(DEBUG,Before G43)
G43.1 Z0                (TLO reset)
(DEBUG, before G91)
G91
(DEBUG, before G38.2)
G38.2 Z-60  F500        (messen grob)

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Aciera
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29 Nov 2024 18:20 #315565 by Aciera

Replied by Aciera on topic Gmoccapy Toollength sensor routine stops sometimes

Only other thing I can think of is to add 'G0' to those 'G53' lines.

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Gmoccapy Toollength sensor routine stops sometimes

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