RE: [CAD_CAM_EDM_DRO] Re: Small Machine CNC

Good and valid question, but wanted to add a little commentary on your
survey.
You are missing a few other pieces that will influence the max ipm as much
if not more than what you are asking. That is the specific motors (voltage,
torque, etc.), the voltage the power supply is running at, and the computer
being used. On some of the stepper controllers (EMC with freqmod) computer
speed will have a large influence on the smoothness and acceleration.

Also, a little clarification on the Gecko product line. The line splits into
2 main branches, steppers (G2XX) and step driven servos (G3X0). Within each
line you can get a version that moves the motor 1 unit (microstep for
steppers, encoder count at 4X mode for servos) and a version that multiplies
the input steps by 2, 5, or 10. The purpose of the pulse multiplier versions
are to allow you to drive a system that requires a very high pulse rate with
a controller that is not able to output such a pulse stream. So, in your
comparison it is really just G2XX vs. G3X0 in regard to the Gecko products.


Tim
[Denver, CO]

> -----Original Message-----
> Hi,
>
> Hope some don't get upset with this question about inch per minute
> (ipm).
>
> I wanted to purchase a popular window based motor controller for
> Sherline when someone mentioned that it is limited in ipm. When I
> asked the principal, I was told that the Sherline cannot go too fast
> without doing damage to the machine. Is there a maximum ipm that the
> Sherline can go safely, and how fast it can go without doing any
> damage to the mechanism?
>
>
> Also I noticed that www.super-tech.com 's minirobo can go 240 ipm,
> but cannot find the price. Does anyone on the list knows the price?
>
> (BTW I don't advice those with short patience, dial-up and slow
> connection try to log on to www.super-tech.com as it is full
> of "beautiful/unnecessary" graphics and take very long to load)
>
> Can those with experience fill in a survey form below (or simplify
> the survey form). Perhaps with the response, we can compile the data
> for the file section
>
> COMBINATION MAX IPM MOTOR/COMMENTS
> CNCPro+Gecko201+Sherline
> CNCPro+Gecko210+Sherline
> CNCPro+Gecko320+Sherline
> CNCPro+Gecko340+Sherline
> DeskNC+Gecko201+Sherline
> DeskNC+Gecko210+Sherline
> DeskNC+Gecko320+Sherline
> DeskNC+Gecko340+Sherline
> supercam+Gecko201+Sherline
> supercam+Gecko210+Sherline
> supercam+Gecko320+Sherline
> supercam+Gecko340+Sherline
> Master5+Gecko201+Sherline
> Master5+Gecko210+Sherline
> Master5+Gecko320+Sherline
> Master5+Gecko340+Sherline
> Flashcut+Gecko201+Sherline
> Flashcut+Gecko210+Sherline
> Flashcut+Gecko340+Sherline
> DeskNCW+Gecko210+Sherline
> DeskNCW+Gecko320+Sherline
> DeskNCW+Gecko340+Sherline
> DeskNCW+Gecko210+Sherline
> CNCPro+Camtronic2Amp+Sherline
> DeskNC+Camtronic2Amp+Sherline
> DeskNCW+Camtronic2Amp+Sherline
> Master5+Camtronic2Amp+Sherline
> Flashcut+Camtronic2Amp+Sherline
> supercam+Camtronic2Amp+Sherline
> CNCPro+Camtronic2Amp+DREAMMACHINE?
> Other combinations
>
>
>
> Also, anyone used Denis Bohlke's plan in the file section to
> fabricate a gantry, and if 120ipm or better/worse can be achieved?
>
> Anyone with experience using Rigotti's plan for a CNC router?
>
> Thanks,
>
> Ed
>
> +Gecko340+Sherline
>
> DeskNCW + sherline
> Master5 + Sherline
>

> FAQ: http://www.ktmarketing.com/faq.html