Re: [CAD_CAM_EDM_DRO] internal contouring with cnc

At 07:57 AM 8/10/02 -0700, you wrote:

>CNC implies single point boring for this application.

True.

>You will need a long and skinny boring bar, and it will vibrate because it
>is sticking out so far and cuts in an unbalanced manner.

Not true. First, it's wood and not metal, and second 'balanced' is not
meaningful in this context.

>As I see it, you have three choices:
>You could split the bore up into shorter segments so you can use a stubbier
>bar.
>You can split the bore lengthwise into halves, mill your profile into each
>half, and then glue it back together.
>You can get better and faster at making reamers.

Disagree, the boring idea is well worth putting into action. If he needs
to, he can bore from each end.

Regards, Hoyt McKagen


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