Z axis cuts in the air - not plunging

Jeff65
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06 Sep 2020 09:15 #180916 by Jeff65

Replied by Jeff65 on topic Z axis cuts in the air - not plunging

OK will do some stuff soon but I have lots of things happening here - family and kids etc
will get a breathing space soon

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Clive S
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06 Sep 2020 09:18 - 06 Sep 2020 11:23 #180918 by Clive S

Replied by Clive S on topic Z axis cuts in the air - not plunging

Jeff65 wrote:
OK will do some stuff soon but I have lots of things happening here - family and kids etc
will get a breathing space soon

I take it that you do reload the axis after you make changes to the ini file

Last edit: 06 Sep 2020 11:23 by Clive S.

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Jeff65
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06 Sep 2020 09:29 #180920 by Jeff65

Replied by Jeff65 on topic Z axis cuts in the air - not plunging

When you say reload - do you mean 'homing'

I haven't been able to home since everything went to pot

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Clive S
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06 Sep 2020 09:34 #180922 by Clive S

Replied by Clive S on topic Z axis cuts in the air - not plunging

Jeff65 wrote:
When you say reload - do you mean 'homing'

I haven't been able to home since everything went to pot

No. when you edit any files you need to restart linuxcnc. Not the PC

Forget homing until you have the z axis searching in the correct direction to the switch

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Jeff65
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06 Sep 2020 09:36 #180923 by Jeff65

Replied by Jeff65 on topic Z axis cuts in the air - not plunging

OK - I did those 2 changes and homed the Z axis and it homed ok

pressing page up makes the spindle go down and page down goes up

But the screen motion is correct

I know how to re set the keys on the key board so thats not a problem to me

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Clive S
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06 Sep 2020 09:44 #180925 by Clive S

Replied by Clive S on topic Z axis cuts in the air - not plunging

That's strange where is your homing switch located should be at the top.

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Mike_Eitel
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06 Sep 2020 09:44 #180926 by Mike_Eitel

Replied by Mike_Eitel on topic Z axis cuts in the air - not plunging

When it comes to the keys.
They are always "connected" to the workpeace, not to the machine. Means f.x. you press the left arrow, table moves to the right. = your tool will make his way into the peace direction left..... You will get used to that ;-)

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Mike_Eitel
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06 Sep 2020 09:46 #180927 by Mike_Eitel

Replied by Mike_Eitel on topic Z axis cuts in the air - not plunging

I have no home on z at all... I think you only need that it you can work with fixed tool lenght. I use only z-min as safety shut off.

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Jeff65
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06 Sep 2020 09:47 #180928 by Jeff65

Replied by Jeff65 on topic Z axis cuts in the air - not plunging

yeah switch is at the top

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Jeff65
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06 Sep 2020 09:52 #180930 by Jeff65

Replied by Jeff65 on topic Z axis cuts in the air - not plunging

I thought homing was necessary so the machine knows where it is in the real world - as it were

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