Re: Joystick and EMC.

Dancam had joystick control and I tried it for a short short time- it can
be dangerous. Joysticks just aren't precise enough and if the stick
springs back to the center- where are you going to end up? Please don't
spend time on them, they are just a novelty to me.

Thanks,
Dan

>From: "Dan Mauch" <dmauch@...>
>
>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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