Uni Spand

Uni-Spand® Arbor

The Uni-Spand is the arbor of choice for ID clamping and centering of small to medium size bevel gears for cutting. The Uni-Spand can also be used for lapping, testing and grinding of much larger gears due to the lower forces on the arbor.

Features:

Accuracy and repeatability of0.005 mm (0.0002") T.I.R.
Expansion in excess of0.508 mm (0.020" )
Capable of handling any gear manufacturing process due to the high torque holding ability of the arbor
Internal collet safety to protect the collet from damage
For cutting gears with a bore size range of 76 mm (3") to 178mm (7")
For lapping and testing gears with a bore size of 76mm (3") and greater
Part pull back to seat the gear against the backing surface
Compatible with auto loader
Ease of maintenance since the spring can be removed from the front of the arbor even while it is mounted in a machine

Optional features: