Re: [CAD_CAM_EDM_DRO] Test Peice for 3D finishing

John,

I would be glad to run a test on my home built cnc router. I am running
WINCNC for my controller. I would use Model Mill for the tool path.

Bob Campbell

----- Original Message -----
From: John Harnedy <machatak@...>
To: <CAD_CAM_EDM_DRO@egroups.com>
Sent: Monday, October 09, 2000 7:36 AM
Subject: [CAD_CAM_EDM_DRO] Test Peice for 3D finishing


> Hi list:
> Is there a G code file / 3d test piece that is suitable for to
> comparatively assess the software and controller performance during 3D
> finishing?
>
> Recently there has been discussion on EMC for engraving and also MaxNC
> for finishing, both regarding the "need for speed" for 3d finishing.
>
> My thoughts are a standard test piece say 50 mm (2") by 50 mm (2"),
> consisting of a hemisphere that would be cut by 6 mm (1/4") ball mill.
> The inclusion of some easy to measure feature would be useful to assess
> accuracy as well.
> Possibly by not using G02 / G03, as they are not supported by all
> controllers, it would more useful to everybody. Also the toolpath would
> be a constant stepover as well as model and machining tolerance.
>
> Currently trying to assess what is best combination of controller and
> software for such 3D finishing, hence my desire for true comparative
> data.
>
> I can do the 3D modeling ( have access to Visi CAD CAM and Mech. Desktop
> + hyperMill and SolidEdge at work) + Gcode generation for Fanuc, but
> would appreciate some input as to the best shape?
>
> John
>
>
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