RE: [CAD_CAM_EDM_DRO] rotary hand encoder wheels with detent

would it be easier to give the gecko a seperate pulse multiplier, ONLY on
the jog side of the switch NOT the computer side? ie--> when in computer
mode, it uses the gecko default, when in jog mode it runs the step pulses
through a multiplier controlled by a rotary switch... doesn't mariss have a
seperate board now for that anyhow? or is this just getting too
complicated?---Dave L.

-----Original Message-----
From: pentam@... [mailto:pentam@...]
Sent: Thursday, February 14, 2002 7:54 AM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: RE: [CAD_CAM_EDM_DRO] rotary hand encoder wheels with detent


dlantz wrote:

> ok..ok.ok.... having a thought here (ou! ouch!). could you
> attach a rotary switch TO a gecko 210, to adjust its
> multiplier settings?

I suggested a similar thing privately to Mariss a year ago
(ie two bits from the computer, decoding to four to
enable a 'transmission change' to allow different
speeds for machining vs rapids).

Basically, high precision steps are used for machining,
and low precision (but far moving) steps would be used
for rapids.

He didn't like the idea then, but I still think it
is a great idea. Assuming each axis has to come to
a complete stop first, I presume the problem might
be loosing steps by launching into a higher gear at
a non-integer step multiple of the higher gear
(something that can be accomodated in software on
the PC side, with a little attention).

Doug Fortune
http://www.cncKITS.com

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