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US 2004/0163742 A1Published application
Method of forming a splined shaft
OwnerJohn A. Dickson, Joe Sikorainventors
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Abstract
A method for forming splines on a metallic tube by providing a metallic tube having a known hardness corresponding to T4 temper (10); heating the metallic tube to a temperature sufficient to remove the T4 temper (14); quenching the metallic tube (20); forming splines on the metallic tube (30); and artificially aging the metallic tube, (32) where preferably the metallic tube is a 6000 series aluminum alloy.
Claims22
A method for forming splines on a metallic tube, comprising the steps of:
- (a) providing a metallic tube having properties corresponding to T4 temper;
- (b) heating said metallic tube to a temperature sufficient to remove the T4 temper;
- (c) quenching said metallic tube;
- (d) forming splines on said metallic tube;
- and
- (e) artificially aging said metallic tube.
3 more elements
Dependencies are inferred from the claim text.