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The Ball Bar (Dumbbell) Thing

The Ball Bar ( dumbell) thing   The Ball Bar thing shown with a Sheffield Coordinate Measuring Machine    
   The Ball Bar (Dumbbell) Thing is a new approach to a Monday morning or interim check for Coordinate Measuring Machines.


   It is fast because it uses two Ball Bars (Dumbbells) for more data points at each index. It can be indexed to eight fixed and repeatable positions.

   It is inexpensive because of its simplicity of construction. There are no air lines, air valves or air cylinders. It uses standard off the shelf Ball Bars (Dumbbells) and catalog Kinematic hardware.

   This device is even more accurate than the conventional free standing Ball Bar (Dumbbell). This is because its Ball Bars (Dumbbells) are supported on their very ends in kinematic couplings. These kinematic couplings prevent deflections that would normally be caused by the force of the measuring probe.

   This device meets or exceeds all of the quality requirements for Ball Bars (Dumbbells) as outlined in B89.4.1-1997 for the "Performance Evaluation of Coordinate Measuring Machines.


 

Part # Includes Price
BB-TH-1 Ball Bar (Dumbbell) Thing - Support Rail, Stand,
600 mm & 700 mm Ball Bars.
$ 5,640.00
BB-TH-KIN Kinematic Positioner $ 280.00

 

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