Converting from Mach3 to Linuxcnc and set up

PCW
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7 years 6 months ago - 7 years 6 months ago #131271 by PCW

Replied by PCW on topic Converting from Mach3 to Linuxcnc and set up

Another thing to check is that the step lengths are all set to 5 usec (5000 ns)
pncconfs default settings or G540 minimum timings are way to short for a G540

Last edit: 7 years 6 months ago by PCW.

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cmorley
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7 years 6 months ago #131275 by cmorley

Replied by cmorley on topic Converting from Mach3 to Linuxcnc and set up

Hey Peter any others you would change in pncconf's driver timings:

Code:

self.alldrivertypes = [
                            ["gecko201", _("Gecko 201"), 500, 4000, 20000, 1000],
                            ["gecko202", _("Gecko 202"), 500, 4500, 20000, 1000],
                            ["gecko203v", _("Gecko 203v"), 1000, 2000, 200 , 200],
                            ["gecko210", _("Gecko 210"),  500, 4000, 20000, 1000],
                            ["gecko212", _("Gecko 212"),  500, 4000, 20000, 1000],
                            ["gecko320", _("Gecko 320"),  3500, 500, 200, 200],
                            ["gecko540", _("Gecko 540"),  1000, 2000, 200, 200],
                            ["l297", _("L297"), 500,  4000, 4000, 1000],
                            ["pmdx150", _("PMDX-150"), 1000, 2000, 1000, 1000],
                            ["sherline", _("Sherline"), 22000, 22000, 100000, 100000],
                            ["xylotex", _("Xylotex 8S-3"), 2000, 1000, 200, 200],
                            ["oem750", _("Parker-Compumotor oem750"), 1000, 1000, 1000, 200000],
                            ["jvlsmd41", _("JVL-SMD41 or 42"), 500, 500, 2500, 2500],
                            ["hobbycnc", _("Hobbycnc Pro Chopper"), 2000, 2000, 2000, 2000],
                            ["keling", _("Keling 4030"), 5000, 5000, 20000, 20000],
                            ]

Chris

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pl7i92
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7 years 6 months ago #131276 by pl7i92

Replied by pl7i92 on topic Converting from Mach3 to Linuxcnc and set up

can you tell us what File did you flash your 5i25

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Thomer
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7 years 6 months ago #131295 by Thomer

Replied by Thomer on topic Converting from Mach3 to Linuxcnc and set up

So, what I ended up doing is just hooking the lathe up to a different computer that I didn't need a mesa card for...
Now i'm using stepconf to try and set it up.

But thanks for the advice anyway

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PCW
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7 years 6 months ago #131309 by PCW

Replied by PCW on topic Converting from Mach3 to Linuxcnc and set up

On the theory that some initial motion with perhaps a maximum velocity limit
on 256 ustep capable drives is better than no initial motion, I would probably
use no step times less than 3 usec (I know the G540 is marginal at 2 usec with 3.3V ports)

There also is no cost associated with long setup/hold times so a 10 usec minimum limit is probably better for these

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pl7i92
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7 years 6 months ago #131311 by pl7i92

Replied by pl7i92 on topic Converting from Mach3 to Linuxcnc and set up

the fixes microstepping of the G540 is a real mess
but people like this board more then the Leadshine 3660

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