|
|
 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/ |
|
|
|
 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 |
|
|
|
 Frequent flyer Gold
Posts: 1093
      Location: An island off southern Tasmania. | Ye of little faith in Chinese ingenuity...LOL |
|
|
|
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 |
|
|