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Once the working prototype is finalized, machines test out the durability of the racket and ensure that the racket is strong enough to return a high speed ball on impact.
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Once the heating process is finished, the racket is polished and string holes are created within the racket to have the rackets ready for market. Most processes include pressurized air blown into the center of the frame to retain a hollow core that will later be filled with foam. During this time, certain manufacturers use different processes to cure the racket. Depending on the process, it can take up to 30 minutes to do so. Once the carbon fiber material is properly placed, it passes through a heating process to cure and harden the carbon fiber. If the material is not placed precisely, the orientation of the carbon fibers could significantly change the playing characteristics of the racket. Pieces of the material are then cut and placed precisely in a steel mold. The Material Is Manually Placed Into The Mold Carbon fiber is primarily used since it allows for a strong weight to strength ratio and increases the speed in which the racket can travel through the air. Various materials are used to create the base of the racket, including carbon fiber, kevlar or fiberglass/resin layup. When creating their designs, engineers look to make a product that maximizes performance and durability to reduce uncontrollable vibrations and increase calculated stroke abilities. Manufacturers also have rapid prototype machines to create initial prototype rackets. Using the latest CAD and FEA software, R&D designers and engineers at tennis manufacturing companies create cutting-edge designs of the latest rackets. Check out the step-by-step process of creating a tennis racket below: Engineers Design The High-Tech Racket While different brands use their own distinct materials and techniques for creating tennis rackets, the manufacturing process is mostly consistent. So what technologies do companies use to create these modern marvels of engineering? That's because today's game is faster, with average serve speeds of 124 to 140 mph, and engineers are tasked with creating rackets that can not only accommodate these speeds, but can withstand forces as great as 50 kilos while being lighter and more aerodynamic than ever before.
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Open are nothing like the clunky, wooden rackets used years ago. The tennis rackets that you'll see on display at the U.S.