Shot Peening, Deburring, and Final Assembly
At 20:30 in
How Racing Engine Parts Are Made! CP Carrillo Factory Tour & Behind The Scenes (Rods & Pistons)
What happens here
After machining, connecting rods undergo 'shot peening', a process where small steel balls are propelled at high speed onto the surface of the rod. This works to harden the material, remove any residual machining marks, and reduce areas of high stress, enhancing the rod's fatigue strength and durability. If performed incorrectly (too much or too little), shot peening can be detrimental. Following shot peening, parts are often deburred using vibratory deburring machines to smooth edges, a more efficient method than previous manual processes. These refined parts are then moved to a final assembly line where they are carefully oiled, demagnetized, and prepared for the customer.
Goal: Enhance the durability and prepare connecting rods for final use.
Tools and materials
- Final Assembly Bench N/A — Organizing and preparing finished parts for shipping
- Shot Peening Machine Wheelabrator — Work hardening the surface of connecting rods to remove stress and improve fatigue life
- Vibratory Deburring Machines Giant — Smoothing edges and removing small burrs from machined connecting rods
- Machined Connecting Rods N/A — Connecting rods ready for surface treatment and final preparation
- Oil — Lubricating parts during final assembly
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