Probebasic tool length calculation
- tsaG
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08 Nov 2025 23:44 #338096
by tsaG
Probebasic tool length calculation was created by tsaG
Hi,
I am using my ATC spindle with a tool setter. Z0 is at the top of the machine.
The Spindle Nose is probed at -202mm (so, entered as 202mm in the GUI).
When probing the tool (measured with a caliper to be around 57mm), it triggers at around -145mm. However, the GUI reports it as 120mm Long. Is there something I can tweak?
I am using my ATC spindle with a tool setter. Z0 is at the top of the machine.
The Spindle Nose is probed at -202mm (so, entered as 202mm in the GUI).
When probing the tool (measured with a caliper to be around 57mm), it triggers at around -145mm. However, the GUI reports it as 120mm Long. Is there something I can tweak?
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- Lcvette
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09 Nov 2025 03:50 #338099
by Lcvette
Replied by Lcvette on topic Probebasic tool length calculation
Songs like you still have a tool length offset active while probing
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09 Nov 2025 21:58 #338126
by tsaG
Replied by tsaG on topic Probebasic tool length calculation
Hmm. Strange. Could you remind me on how to change this?
All I did was Start Linux CNC, Power the machine, home it, insert the tool (either via rack ATC or manual) and probe the length.
BTW: In which repo would I commit changes to? I saw that there are two Github repos, but ( I assume its yours) is rather old whereas the changes in kcjengr is only half a year old.
All I did was Start Linux CNC, Power the machine, home it, insert the tool (either via rack ATC or manual) and probe the length.
BTW: In which repo would I commit changes to? I saw that there are two Github repos, but ( I assume its yours) is rather old whereas the changes in kcjengr is only half a year old.
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09 Nov 2025 23:00 #338128
by Lcvette
Replied by Lcvette on topic Probebasic tool length calculation
Just remove any current tool length offset.
Kcjengr is correct.
Kcjengr is correct.
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10 Nov 2025 20:42 #338154
by tsaG
Replied by tsaG on topic Probebasic tool length calculation
Okay, with "remove any current tool length offset" you mean to remove the offset saved in the tool table? Shouldn't the tool probing overwrite this offset?
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11 Nov 2025 16:45 #338196
by Lcvette
Replied by Lcvette on topic Probebasic tool length calculation
G49, did you modify your tool setter macro? If not I would check that your var file and pb version are all correctly aligned and the parameters are storing in the var file.
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12 Nov 2025 14:45 #338250
by tsaG
Replied by tsaG on topic Probebasic tool length calculation
No, I did not modify it.
I think I saw something in the Offset tabs but I am unable to fully understand and get rid of it. I did some tests but I was not able to remove the offset.
I mean, the mill works so far as every tool has the same huge offset but I still would like to understand why and where it comes from. I did a video that could help, but, to be honest, I do not know what to do....
I attached my var file (renamed as ini as the forum apparently doesn't allow uploading var files) as well as the machine config.
I also created a video of clicking around in the menu. cloud.bihnairy.de/s/eDjYwNrbX8apHQF
I think I saw something in the Offset tabs but I am unable to fully understand and get rid of it. I did some tests but I was not able to remove the offset.
I mean, the mill works so far as every tool has the same huge offset but I still would like to understand why and where it comes from. I did a video that could help, but, to be honest, I do not know what to do....
I attached my var file (renamed as ini as the forum apparently doesn't allow uploading var files) as well as the machine config.
I also created a video of clicking around in the menu. cloud.bihnairy.de/s/eDjYwNrbX8apHQF
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12 Nov 2025 16:57 #338258
by Lcvette
Replied by Lcvette on topic Probebasic tool length calculation
where is your z home position set?
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12 Nov 2025 17:11 #338259
by Lcvette
Replied by Lcvette on topic Probebasic tool length calculation
ah are you using the tool setter page to set the spindle zero with the probe spindle zero button?
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12 Nov 2025 17:49 #338266
by Lcvette
Replied by Lcvette on topic Probebasic tool length calculation
ok i think i found a bug dealing with pocket in the tool table causing some odd behavior. let me dig into it some and see what is happening.
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