Golf Club Head Mass Distribution Optimization
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Solution Overview
Problem
Current golf club head manufacturing techniques fail to optimize the center of gravity (CG) and moment of inertia (MOI) effectively, leading to suboptimal golf ball trajectory and spin rates.
Innovation Solution
The use of multiple materials, such as steel-based, titanium-based, and tungsten-based materials, in combination with mass portions strategically positioned within the golf club head to optimize CG and MOI, achieved through various manufacturing methods like bonding, welding, and injection molding, allowing for customizable weight distribution and structural integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple materials are used to manufacture golf club heads, then the center of gravity and moment of inertia can be optimized, but the device complexity increases
Solution Approach 1:
The patent applies composite materials by combining multiple materials (titanium-based, steel-based, tungsten-based) with different densities and mechanical properties to create a golf club head with optimized center of gravity and moment of inertia. Each material is strategically placed to achieve desired performance characteristics while managing the complexity through systematic material selection and placement.
2Manufacturing precision
If mass portions are strategically positioned to optimize CG and MOI, then golf ball trajectory and spin rates improve, but the manufacturing process becomes more complex
Solution Approach 1:
The patent applies local quality by positioning specific mass portions (tungsten weights, steel inserts) at precise locations within the club head structure to optimize moment of inertia and center of gravity. Different regions of the club head have different material compositions and densities tailored to achieve specific performance outcomes, with heavier materials placed strategically to manipulate weight distribution and rotational characteristics.
3Strength
If various manufacturing methods like bonding and welding are used, then structural integrity is enhanced, but the ease of manufacture decreases
Solution Approach 1:
The patent applies merging by integrating multiple manufacturing processes (bonding, welding, mechanical fastening) to join different material components into a unified club head structure. The various materials and mass portions are combined through multiple joining techniques to create a structurally integrated assembly that leverages the strengths of each material while achieving the desired structural integrity and performance characteristics.
Data Source
AI summary
Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a first body portion being hollow to define an interior cavity, a first body portion recess on a back wall portion below a horizontal midplane of the first body portion, and a second body portion removably coupled to the first body portion in the first body portion recess. The golf club head may include at least one fastener configured to fasten the second body portion to the first body portion, and a face portion having a back surface opposite the front surface and associated with a total back surface area. The back surface may include first back surface region associated with a first back surface area and coupled to a front portion of the first body portion. The face portion may include a second back surface region exposed to the interior cavity and associated with a second back surface area. The total back surface area may be equal to a sum of the first back surface area and the second back surface area, and the first back surface area may be less than 30% of the total back surface area. Other examples and embodiments may be described and claimed.