Setting jog speed on start up in gmocappy

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5 years 4 months ago #210898 by john11668
Is there a way to set the max jog speed on startup ?
When I launch my fast jog rate will be set at 1500 mm/min. It is a small lathe so 750 mm is more manageable, and for touching off I would prefer to see a slow jog rate no more than 45 which I know I can then reduce to suit my job.

I have hunted around the files for a parameter or a scale factor which would give me the above.
Any ideas what settings i need and where ?

TIA

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5 years 4 months ago #210899 by tacklem60
It is actually a really easy setting to change in your configuration. Just change the Default Jog Speed in your .ini file or even easier, the setting menu or Gmoccapy allows you to change it and that will be the speed at startup.

That, however, will not change in any way the "max" speed as you referenced. It will always allow you to move the speed slider to your max jog rate or if using a keyboard, holding shift and the direction will give you max jog speed.

You can also change the scale of your turtle jog inside the settings of Gmoccapy if you wanted to make that scale at a different rate.

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5 years 4 months ago #210901 by john11668
I dont see a default jog speed in my ini file . ( and I see no step in the step config wizard to generate a default jog speed
And the only related figure I see in the settings page is a scale jog velocity for mpg which does not seem to affect anything ( I dont have an MPG)

Can you point me to what i should see please

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5 years 4 months ago #210915 by Clive S

john11668 wrote: I dont see a default jog speed in my ini file . ( and I see no step in the step config wizard to generate a default jog speed
And the only related figure I see in the settings page is a scale jog velocity for mpg which does not seem to affect anything ( I dont have an MPG)

Can you point me to what i should see please

Can you post your hal and ini files

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5 years 4 months ago #210931 by phillc54

john11668 wrote: I dont see a default jog speed in my ini file . ( and I see no step in the step config wizard to generate a default jog speed
And the only related figure I see in the settings page is a scale jog velocity for mpg which does not seem to affect anything ( I dont have an MPG)

Can you point me to what i should see please

see DEFAULT_LINEAR_VELOCITY @ linuxcnc.org/docs/2.8/html/config/ini-co...tml#_display_section

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5 years 4 months ago #211155 by john11668
So I am not seeing anything relevant in my Hal or Ini files maybe this is just part of my unfamiliarity wtih linux
Do you guys ?

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5 years 4 months ago #211157 by Clive S

john11668 wrote: So I am not seeing anything relevant in my Hal or Ini files maybe this is just part of my unfamiliarity wtih linux
Do you guys ?


In the display section of the ini
Try changing
DEFAULT_LINEAR_VELOCITY = 25.00 to 10.00

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5 years 4 months ago #211163 by john11668
Will give it a shot,

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5 years 4 months ago #211164 by john11668
changed that but still opens up at 1500
Tried changing max linear velocity too but no difference

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5 years 4 months ago #211165 by Aciera

In the display section of the ini
Try changing
DEFAULT_LINEAR_VELOCITY = 25.00 to 10.00


I believe you need to do this in the [TRAJ] section, not in the display section.

[edit]
'turtle' jog can be adjusted in the 'settings page' -> 'Hardware tab' at the bottom 'Turtle Jog'

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