Drill square holes

Administrator Posted 16/10/2011 10:55 (#13701) Subject: Drill square holes Frequent flyer Gold Posts: 1093 Location: An island off southern Tasmania. Somebody had to come up with it i guess http://www.gizmodo.com.au/2011/10/watch-this-magical-machine-drill-square-holes/ Godzilla Posted 16/10/2011 20:54 (#13702 - in reply to #13701) Subject: Re: Drill square holes Frequent flyer Silver Posts: 62 Hmm the spindle runs on a cam so even though the bit spins, its timing is in sync with its shape and the spindle moves the bit into the corners at precisely the right timing. I recon the corners are slightly rounded though. Bah, black magic. LOL Administrator Posted 17/10/2011 02:15 (#13712 - in reply to #13701) Subject: Re: Drill square holes Frequent flyer Gold Posts: 1093 Location: An island off southern Tasmania. Ye of little faith in Chinese ingenuity...LOL phaseautos Posted 2/4/2012 14:12 (#14164 - in reply to #13701) Subject: Re: Drill square holes Frequent flyer Silver Posts: 51 Location: Australia think it might be the same co. but not same video i think i saw this 2 odd years ago good stuff