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Method of Designing and Producing Connecting Rods formed of Fiber Composite Material

A method of designing and producing a connecting rod using chopped carbon fiber pre-impregnated composite material is provided. The method allows connecting rod designers to machine several different connecting rod designs, lengths, and beams. The connecting rod is first cast, forged or otherwise shaped in a basic form, and then machined into a specific connecting rod. After the specific machining is performed, the big-end and small-end bosses are bored, bolt holes drilled, and then all surfaces are finished or machined. The starting material is preferably a chopped fiber or woven fiber composite, and the connecting rods are then plated to seal carbon fiber based materials and the big-end rod bearing inserts are placed along with the rod's small-end bushing. In one embodiment interlocking serrations are machined onto opposing surface faces of the two halves of the rod, allowing the cap and beam to be aligned without requiring special alignment dowels, yet forming a unitary, and stronger rod assembly. The finished machined connecting rod pieces, then rods are plasma coated with anti-friction material(s), for example are plasma-nitrided.

» Number: US2019024702A1 (A1)

» Publication Date: 19//2/24/0

» Applicant: GILL BRYAN?[US]

» Inventor: GILL BRYAN?[US]

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This project has received funding from the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement n° [609149].

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