Re: Joystick and EMC.

i think that adding a joystick would be a good novelty with EMC but having
had a joy stick control with one of my other systems I found it not all that
useful. My vote would be to add the stepper feedback before adding the
joystick because the feedback would really provide value for the time
expended to program it.
Dan
-----Original Message-----

>From: Bertho Boman <boman@...>
>
>I think a joystick would be a good addition but I am sure you will be asked

to do both.... The encoder-handwheel has a familiar

>feel.
>
>With the joystick, I think that one need a menu option to enable and

disable the joystick so nothing bad happens if pushed by

>mistake. Two mode are also probably required: "position speed" and

"cutting speed".

>
>Is it practical and possible to toggle the joystick Y-axis to Z and then

use it for up down while in position to drill or cut

>down. Using on/off buttons for the Z does not sound good. In other

words, use regular joystick x-y to get to the desired

>position, then push a button and now the same joystick with swapped Y & Z

is used for up-down.

>
>Bertho Boman
>Vinland Corporation
>========================================
>
>Fred Proctor wrote:
>
>> I've been asked many times to support using a handwheel encoder, which
>> could be put on the unused 4th axis encoder input if you have a 4-axis
>> STG board and a typical 3-axis mill.
>>
>> My thoughts on this would be to selectively slave one of the three axes
>> to the 4th axis encoder, so that the 4th axis encoder would serve as the
>> input to the PID on the slaved axis. Then, as you moved the handwheel,
>> the slaved axis would follow it. Varying the scaling on the 4th axis
>> encoder input would allow for varying sensitivity. It gets tricky since
>> you have to make sure the slaved axis doesn't jump when it gets slaved
>> and de-slaved. Has anyone done anything like this?
>>
>> I have used a $9.99 PC joystick to move the EMC around. The stick
>> controls the XY motion and the buttons control Z. Would anyone want
>> this? I would put it in the xemc, which could sense the presence of a
>> joystick and default to normal behavior if none were present.
>>
>> --Fred
>
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