Foam Core Pickleball Racket Assembly
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Solution Overview
Problem
The manufacturing process of conventional composite material pickleball rackets is laborious and inefficient due to their complex structure.
Innovation Solution
A pickleball racket design featuring a rigid support with a first and second frame, a foam core made of expanded polypropylene particles, and two panels covering the foam core, which simplifies the assembly process and enhances structural strength.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional composite material rackets are made by sandwiching a honeycomb panel between two rubber sheets or foam sheets, then the racket body structure is formed, but the manufacturing process becomes laborious and inefficient
Solution Approach 1:
The racket is divided into distinct components: a rigid support frame with through holes, a foam core that fills these holes, and two panels that cover the foam core. This segmentation allows each component to be manufactured separately and assembled efficiently, reducing overall manufacturing complexity while maintaining structural integrity
Solution Approach 2:
The foam core is inserted into and fills the through holes of the rigid support frame, creating a nested structure where the foam core is contained within the frame structure. This nesting approach simplifies assembly by allowing components to be fitted together in a straightforward manner, reducing manufacturing labor
2Strength
If the foam core fills up all the through holes and covers the entire first frame, then the structural strength is enhanced, but the assembly process requires more precision
Solution Approach 1:
The rigid support frame is pre-formed with through holes at specific locations and configurations before the foam core is inserted. This preliminary preparation ensures that when the foam core is added, it automatically fills the holes in the correct positions, reducing the precision required during the actual assembly process while still achieving the desired structural strength
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The design reduces manual labor in assembly, enhances the quality and structural strength of the racket, saves energy, and reduces carbon emissions.
Implementation Method 1
The foam core has a foam body and a foam handle made up of a plurality of foam particles
Implementation Method 2
one of the two panels is bonded to a top surface of the foam core and covered the entire top surface, and the other panel is bonded to a bottom surface of the foam core
Data Source
AI summary
A racket includes a rigid support, a foam core covering the rigid support, and two panels covering the foam core. The rigid support includes a first frame and a second frame connected to the first frame. The first frame has a plurality of through holes. The foam core includes a foam body made up of a plurality of foam particles and a foam handle. The foam body covers the entire first frame and fills up the through holes, and the foam handle covers the entire second frame, wherein one of the panels is bonded to the foam core and covers the entire top surface of the foam core, and the other panel is bonded to the foam core and covers the entire bottom surface of the foam core.