RE: [CAD_CAM_EDM_DRO] Gecko servo drives

Thanks for the insight Dan.

Don B



_____

From: CAD_CAM_EDM_DRO@yahoogroups.com
[mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of Dan Mauch
Sent: Wednesday, October 11, 2006 10:00 PM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: Re: [CAD_CAM_EDM_DRO] Gecko servo drives



Myself I like the G320 over the G340. The G320 is also cheaper.
The G320 is best where you don't have a high number of steps per unit, you
have a 1 Ghz or faster pc. and your software will produce the pulse rate you

need for the speeds you want. Here is the easiest method to determine.
If the combination of drive ratio and encoder ppr and your software is
limited t 45,000 pulses per second and you have 45000 steps to the inch
then the max speed with a G320 would be 60 IPM. If you calculate that your
need faster speed then a G340 with it's rate multiplier would be required.
On the other hand if you cut your steps to 22,500 per unit then you would
get 120 IPM.
With a G340 set to yield 10 steps for every incoming step then with 40000
steps per unit with the G320 would be reduced to 4000 steps per unit with
the G340 and thus should be 10 times faster.
The down side of the G340 is the direction change timing seems to be longer
than the G320.

the Dan Mauch
low cost stepper and servo motors.
cases for Gecko drives
kits and assembled 3-4 axis drives
www.camtronics-cnc.com
www.seanet.com/~dmauch

----- Original Message -----
From: "Don Butterworth" <gm276@comcast. <mailto:gm276%40comcast.net> net>
To: <CAD_CAM_EDM_ <mailto:CAD_CAM_EDM_DRO%40yahoogroups.com>
DRO@yahoogroups.com>
Sent: Wednesday, October 11, 2006 1:19 PM
Subject: RE: [CAD_CAM_EDM_DRO] Gecko servo drives

> Dan,
>
>
>
> Could you comment on the G320 versus G340.
>
> I have both and am interested.
>
> Thanks
>
> Don B
>
>
>
> _____
>
> From: CAD_CAM_EDM_ <mailto:CAD_CAM_EDM_DRO%40yahoogroups.com>
DRO@yahoogroups.com
> [mailto:CAD_CAM_EDM_ <mailto:CAD_CAM_EDM_DRO%40yahoogroups.com>
DRO@yahoogroups.com] On Behalf Of Dan Mauch
> Sent: Wednesday, October 11, 2006 11:45 AM
> To: CAD_CAM_EDM_ <mailto:CAD_CAM_EDM_DRO%40yahoogroups.com>
DRO@yahoogroups.com
> Subject: Re: [CAD_CAM_EDM_DRO] Gecko servo drives
>
>
>
> I prefer the G320 over the G340 for cnc routers. i sell quite a few
> systems
> for routers both stepper and servos. I love servos. I have converted all
> of
> my machines to servos and think they are smoother , faster, quieter and
> don't loose steps or have stepper motor resonance.
> My 4 axis servo control box is $1500 plus motors plus s/h. What size
> motors
> do you need? If you tell me how the router will be driven. That is direct
> drive to a ballscrew?
> Rack and pinion drive?
> Pulley ratio?
> Required rapid travseres speed I can help engineer a motor solution unless
> you already know what you need.
> Dan Mauch
> low cost stepper and servo motors.
> cases for Gecko drives
> kits and assembled 3-4 axis drives
> www.camtronics-cnc.com
> www.seanet.com/~dmauch
> ----- Original Message -----
> From: "enytned1" <alexkcpr@hotmail. <mailto:alexkcpr%40hotmail.com> com>
> To: <CAD_CAM_EDM_ <mailto:CAD_CAM_EDM_DRO%40yahoogroups.com>
> DRO@yahoogroups. <mailto:DRO%40yahoogroups.com> com>
> Sent: Wednesday, October 11, 2006 8:15 AM
> Subject: [CAD_CAM_EDM_DRO] Gecko servo drives
>
>> How reliable are the Gecko servo drives G320/G340? I'm looking to
>> convert my stepper controlled router to servo control. I'm currently
>> using Mach3 and I'm looking into the 4-axis control package from
>> www.camtronics-cnc.com. Any and all feedback on your experience with
>> implementation of this control system and drives would be greatly
>> appreciated. I don't want to jump into a system that has a lot of
>> issues and/or bugs to iron out. Just want to have a more precise and
>> reliable system for making parts. At a reasonable cost of course.
>>
>>
>>
>>
>>
>>
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