RE: RE: [CAD_CAM_EDM_DRO] Re: CAD experiment entry

I see what you are saying, J, and for a business that is very valid. But for me, in my shop, I don't have any need to print it out, get it QC'd or approved, etc.

I also think that the CAM programs that most hobbyists will be using(or at least the ones I use) are very likely to use 2D dxfs, and dimensions will appear as entities to be cut.

While making a drawing, though, I do frequently dimension it, to make sure I am doing it right, and then I erase the dimensions before saving as dxf for CAM import.

Andy Wander

-----Original Message-----
From: CAD_CAM_EDM_DRO@yahoogroups.com [mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of H & J Johnson
Sent: Monday, December 13, 2010 8:30 PM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: Re: RE: [CAD_CAM_EDM_DRO] Re: CAD experiment entry

I guess that would depend on the CAM. All the CAM products I've used do use the 'drawing' per say, but rather the Model. I've yet to see a CAM that imports a solid Model [or in the case of an integrated CAM like SolidCAM or HSMworks] to ever see or use a dimension [unless for linking a property]. It isn't really even a concideration.

I will however add that while a paperless workflow is a great thing to attain to, in my experiance it is a rare occurance for prismatic parts [injection molds etc are a different matter]. To properly machine a part and deliver a finished product, it must go through a Q/C process at some point [at least on initial production run parts and usually on spot checked parts there-after] and this does still require a drawing [either paper or electronically viewable] to qualify that the part is w/in tolerance.

J. Johnson

----- Original Message -----
From: Andy Wander <awander@...>
Date: Monday, December 13, 2010 7:11 pm
Subject: RE: [CAD_CAM_EDM_DRO] Re: CAD experiment entry

> I was just thinking that the dimensions are not needed, and
> actually just mean one more step when going from the CAD drawing
> to the CAM program. You will have to either delete them or tell
> the CAM program to ignore them.
>
>
> Andy Wander
>
> -----Original Message-----
> From: CAD_CAM_EDM_DRO@yahoogroups.com
> [CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of timgoldstein
> Sent: Monday, December 13, 2010 7:25 PM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: [CAD_CAM_EDM_DRO] Re: CAD experiment entry
>
> Just for those that don't know, while we have focused on
> discussing the drawing that Ron posted, the reality is in many of
> the CAM programs to make the G-code for the part it would not even
> be used.
>
> I do my CAM in FeatureCAM. Have also worked in and have a current
> license of VisualMill. Both work from the 3D solids file. The
> drawing is just to communicate additional details in most cases. I
> know that I have many times been given only a solid file for an
> outside job and drawing were never created.
>
> Point is, the drawing is only additional info in the process of
> going from CAD > CAM > G-Code > a final part and not something you
> have to have.
>
> Tim Goldstein
> A2Z Corp
> A2Z CNC division
> 3955 S Mariposa St
> Englewood CO 80110
> 720 833-9300
> Toll Free 877 754-7465
>
> www.A2ZCorp.us/store
> USA made accessories for desktop mills & lathes.
> Specialized tools for the jewelry industry.
>
>
>
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