win a ball from Bowling.com
« previous next »
Pages: [1]

Author Topic: Interesting issue with Cook Sphere machine  (Read 2573 times)

Gizmo823

  • Hero Member
  • *****
  • Posts: 2167
Interesting issue with Cook Sphere machine
« on: June 28, 2014, 12:42:40 PM »
So recently our machine has started acting like a Determinator.  Never done it before, but all the sudden no matter how we put the ball in the machine, in 2-3 minutes it will find a "preferred spin axis" and continue to rotate the ball the exact same way for the duration of the cycle.  I can stop and turn it or rotate it, and in another 2-3 minutes it will be back exactly like it was before, and it's leading to either having to babysit it or some really uneven and inconsistent finishes.  Has anybody had this problem before?  Are the pads worn out?  Cranked too tight or not tight enough? 
Logged
What would you be if you were attached to another object by an inclined plane, wrapped helically around an axis?

 

kidlost2000

  • Hero Member
  • *****
  • Posts: 5789
Re: Interesting issue with Cook Sphere machine
« Reply #1 on: June 28, 2014, 12:48:41 PM »
When a ball is allowed to spin freely it will rotate towards its PSA.

This is the whole idea of a machine that allows you to locate a PSA. It can be done by many different methods. Apparently you have created a new one.
Logged
…… you can't  add a physics term to a bowling term and expect it to mean something.

JohnP

  • Hero Member
  • *****
  • Posts: 5819
Re: Interesting issue with Cook Sphere machine
« Reply #2 on: June 28, 2014, 05:26:53 PM »
This is a WAG because I don't have a refinishing machine.  The ball seems to be rotating freely, I'll bet there are more than one elements that rotate it in different directions to achieve "random" surface and one of them isn't working.  --  JohnP
Logged
Pages: [1]
« previous next »