Re: [CAD_CAM_EDM_DRO] 7 square holes --was,lost post

Are you talking trully square holes or almost square/rectangular holes?

EDM

Drill and file the hole. You could do this by hand, but a filing machine
could do it for you as well.

Smoke
-----Original Message-----
From: Brian Pitt <bfp@...>
To: CAD_CAM_EDM_DRO@egroups.com <CAD_CAM_EDM_DRO@egroups.com>
Date: Wednesday, December 13, 2000 12:34 AM
Subject: [CAD_CAM_EDM_DRO] 7 square holes --was,lost post

>Doh... why cant I think of this stuff until 'After' I hit send
>Ok I've seen 4 ways to machine a square hole
>1] the swing the B'Port head trick we talked about last month
>2] broach a]thru hole broaching
> b]wobble broach for blind holes
>3] shaper or the shaper/key cutter attachment on the back of a B'Port
>4]that polygon drilling attachment that uses a 3flute drill and forces it

to

> walk into the corners
>5,6,7]???
>
>and to check for the lost post
>the find files utility in the tools menu of windows explorer
>search for
>*
>modified/created in the last 2 days
>containing the text "square hole"
>starting from C:\ and including subfolders
>if theres a temp file laying around this will find it
>
>Brian
>
>
>Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the

discussion of shop built systems, for CAD, CAM, EDM, and DRO.

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