Machsupport Forum

Tangent Corner => Tangent Corner => Topic started by: Tweakie.CNC on October 07, 2011, 03:51:18 AM

Title: Drilling a Square Hole.
Post by: Tweakie.CNC on October 07, 2011, 03:51:18 AM

I came across this on another forum. Well worth watching.

http://www.youtube.com/watch?v=tqOe2In9ShQ&feature=player_embedded (http://www.youtube.com/watch?v=tqOe2In9ShQ&feature=player_embedded)

Tweakie.

Title: Re: Drilling a Square Hole.
Post by: Fastest1 on October 23, 2011, 11:01:35 AM

I had a friend send me this same video. It is quite a cool process. Always a new approach around the corner.

Title: Re: Drilling a Square Hole.
Post by: edvaness on October 31, 2011, 06:32:49 PM

Drilling a square hole is nothing new. I've done it 50 years ago, same principle, only thing different, we used a hardened guide plate clamped to the top of the work piece. The cutter was 3 flute like in the video, which was mounted in a floating holder. The cutter followed the profile in the bushing. the flutes were not sharp. only the end did the cutting. Still have some bits in my toolbox.