biesse rover 316 retrofit

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17 Feb 2022 21:32 #235176 by Masiwood123
gcode is from solidcam. *.nc extension ,arc has I an d J incremental mode.

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17 Feb 2022 21:55 #235182 by Masiwood123
Here is my Ini file, there is no ARC_BLEND_ENABLE =`` in TRAJ section. should I add it?

File Attachment:

File Name: new_2022-02-17.hal
File Size:12 KB

File Attachment:

File Name: new_2022-02-17.ini
File Size:4 KB
Attachments:

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18 Feb 2022 03:17 - 18 Feb 2022 03:27 #235209 by Todd Zuercher
The default setting is ARC_BLEND_ENABLE = 1, so if it is not present that is what it is. If you want to try the old planner add the line and set it to 0. It won't hurt anything and if you want to switch back to standard set it to 1.  Remember you do have to shut down and restart Linuxcnc for configuration changes to take effect.
Last edit: 18 Feb 2022 03:27 by Todd Zuercher.
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18 Feb 2022 12:10 #235230 by dgarrett
Replied by dgarrett on topic biesse rover 316 retrofit
"Remember you do have to shut down and restart Linuxcnc
for configuration changes to take effect."

hal pins can alter the settings:

> ini.traj_arc_blend_enable
> Allows adjustment of [TRAJ]ARC_BLEND_ENABLE

Ref:
$ man milltask
linuxcnc.org/docs/2.8/html/man/man1/milltask.1.html

See NOTES for restrictions

 
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18 Feb 2022 19:27 #235262 by Masiwood123
unfortunately changing arc_blend_enable = 0 or 1 has no effect, feedrate is drastically reduced at the entrance and exit of the curve. I increased the engine acceleration to 600 the same.

I insert arc_blend_enable = 0 just in ini file..ahve to check what is in hal?

www.youtube.com/shorts/nN50b9CzEUQ
www.youtube.com/shorts/GV75rVuPlfc

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18 Feb 2022 20:37 #235272 by tommylight
Looks like something in gcode is causing that, so can you use Inkscape to generate a simple shape using built in extensions>gcodetools>path to gcode.

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18 Feb 2022 20:52 #235277 by Masiwood123
i am using just solidcam for this i am working on wood chairs.. i can try simple circles gcode from aspire to export as ngc not nc as is in solidcam. i take a look in hal pins it’s now false in arc blend enable but the same situation with exact stop at arcs. Will check with gcode exported as ngc with same contour as in solidcam. but just to check.. in practice i must use solidcam for toolpaths.thank you
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18 Feb 2022 21:15 #235280 by tommylight
Ok, try adding
G64 P0.5
at the top of the gcode file, if 0.5mm of tolerance is OK, try also lower values like 0.3 or 0.1, see if that helps.
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18 Feb 2022 21:20 #235282 by Masiwood123
yes, I added that too, although I think P0.1, I'm not at the machine now, but I'll see tomorrow, maybe a higher value will help :)

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18 Feb 2022 21:50 #235283 by Todd Zuercher
I agree, it looks like it might possibly be something in the g-code. Could you post a bit of the problem g-code that exhibits the problem for closer inspection.

Unfortunately I'm not familiar with Solidworks, so I may not be much help adjusting its settings to better optimize it's output, but we may be able to make general suggestions.

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