THC config that works.

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11 years 7 months ago #57261 by groblerjf@gmail.com
Hi all,

I am back. I have been having some trouble with the THC user interface that shows the ARK OK, UP DOWN etc. signals. With the input values, such as the switch travel, travel height and gap width. When I change the standard values, it seems that the program does not recognizes the changes. Thus far I have manipulated the torch pierce height and switch travel values with the torch holder, but I have build a new torch holder which does not allow for such manipulation.

Any suggestions.

Regards

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11 years 7 months ago #57412 by tommylight
Replied by tommylight on topic THC config that works.
I have tested and used those functions for a very long time and on a lot of machines and they do work properly all the time.
Can you explain exactly what is working and what not? It would help a lot at troubleshooting.
Regards,
Tom

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11 years 6 months ago #57416 by groblerjf@gmail.com
Hi,

For some reason on the config that I did install, the values for the step increments for the THC, the travel height, pierce height and switch travel does not seem to always take effect immediately after I have changed them. For example, at first when I adjusted the switch travel it did work somewhat, but usually when I did change it, it had no effect on the movement of the torch after the plate was sensed.
With the step increments I slowly increased the value once because the torch was not moving up fast enough, I then change the value to something ridiculous like 2 mm and the effect seem to have took place but when I changed it back to a much smaller value, the torch still moved as if the value was 2. It was only fixed once I restarted LinuxCNC.

I did however 'fix' the problem by changing the default values to the values that I desired, and that works perfectly now.

Regards

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11 years 2 months ago #61139 by Ziggy
Replied by Ziggy on topic THC config that works.
All works fine, thanks for the hard work and effort. I like the simplicity, but is there a way to adjust the velocity of the Z-axis when probing the plate. I use a z-axis with rack and pinion.
Ziggy

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11 years 2 months ago #61150 by BigJohnT

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11 years 2 months ago #61209 by tommylight
Replied by tommylight on topic THC config that works.
The F for feed rate does not work when probing for material, so you need to set the correct speed in the .ini file for AXIS 2 under max_velocity.

Regards,
Tom

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