polygons, splines, hub connections, keyways, grinding, tapered, gears, couplings, splining, pinning
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polygons, splines, hub connections, keyways, grinding, tapered, gears, couplings, splining, pinning

Why the General Polygon outperforms
all other shaft attachments:

CAPACITY
The Polygon has a greater capacity for torque than any other shaft attachment. The effective shaft strength is not reduced by cut out splines or keyways; the load is distributed over a generous area. In many cases, the shaft diameter can even be reduced.
FIT
Polygon contours
fit better initially. Interchangeable mating surfaces are finished to within precision grinding tolerances, for sliding, tight, press, or tapered-fits. Because point loading, common to splines and keys, is eliminated, freedom from backlash is maintained for longer periods. The Polygon connection is fully self-centering; no expanders or other auxiliary devices are needed to establish or maintain fit.
LIFE
Effective load distribution virtually eliminates point contact, minimizing stress fatigue and distortion, and markedly extending useful service life. The shaft contour is developed on hardened stock, effectively preventing distortion from subsequent heat treatment, and permitting optimum conditioning of the shaft for bearings and other machine components.
SPACE
A shorter shaft connection can often be used and valuable space saved, because shear loading, as with splines and keys, is eliminated.
ASSEMBLY
The attachment of the component to the shaft is much more simplified. Slipping it in place and applying a snap ring is often all that is required. Alignment of gear teeth or cams is positive and fool-proof.
ECONOMY
Significant savings in overall cost are assured. The Polygon system itself usually costs no more than splined components, and assembly is potentially much less expensive. Further savings are possible because of the higher load rating of the Polygon System. Of probable greater economic significance is the longer service life to be expected of the Polygon System. Machine downtime for emergency repair can be paralyzing. General Polygon offers you the opportunity to minimize these losses.

PC3 Profile




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