Golf Club Head Face Member Rolled Material Joining
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Solution Overview
Problem
High-strength materials for golf club faces pose limitations in forming methods, which affect the rebound performance of golf club heads.
Innovation Solution
A golf club head design featuring a face member formed of rolled materials with specific peripheral portions that extend towards the backside, including sole-side and top-side peripheral portions with inclined surfaces, allowing for improved joining accuracy and increased hitting face area, enhancing rebound performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a high-strength face member is used to improve rebound performance, then the rebound performance is improved, but the forming method is limited
Solution Approach 1:
The face member is divided into a face portion and a peripheral portion that can be separately formed and then joined together. The face portion is formed from a rolled material with high strength, while the peripheral portion is formed separately and joined to the face portion, thereby overcoming the forming limitations of high-strength materials while maintaining the strength benefits.
Solution Approach 2:
The invention combines the face portion formed from high-strength rolled material with the peripheral portion formed by other methods, merging them into a unified face member structure. This allows the face portion to provide high strength for rebound performance while the peripheral portion provides structural support and ease of manufacture.
2Manufacturing precision
If the peripheral portion extends toward the back side with inclined surfaces, then the joining accuracy is improved, but the device complexity increases
Solution Approach 1:
The peripheral portion includes inclined surfaces that extend toward the back side of the club head, creating curved or angled transition zones. These inclined surfaces improve the joining accuracy between the face portion and the body by providing better surface contact and alignment, while the curvature design actually simplifies the joining process compared to sharp angles.
Solution Approach 2:
The inclined surfaces are specifically located at the peripheral portion where joining is required, while the face portion maintains its high-strength rolled material properties. This localized design improvement enhances joining accuracy only where needed without unnecessarily complicating the entire face member structure.
Data Source
AI summary
A golf club head includes a face member and a body member. The face member includes a peripheral portion that extends toward a back side. The peripheral portion includes a sole-side peripheral portion and a top-side peripheral portion. The face member is formed of a rolled material. An inner surface of the sole-side peripheral portion includes a sole inner surface inclined portion that extends toward a top direction as the sole inner surface inclined portion goes toward a back direction. The inner surface of the sole-side peripheral portion and an inner surface of the top-side peripheral portion are formed such that a first distance between them increases toward the back direction. An outer surface of the top-side peripheral portion is formed such that a second distance between the outer surface and the inner surface of the top-side peripheral portion increases toward a face direction.