L-Shaped Faceplate Golf Club Head Design
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Solution Overview
Problem
Golf club heads fail to optimize energy transfer and ball speed due to limited flexure and dynamic lofting characteristics, which affect launch characteristics and ball speed.
Innovation Solution
The design incorporates an L-shaped faceplate with a sole return and a rear body, allowing for increased flexure and dynamic lofting, featuring a sole ledge to prevent weight pad interference and a weight pad positioned low in the club head to lower the center of gravity without sacrificing structural integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the faceplate is made thicker to increase structural integrity, then strength is improved, but flexure and dynamic lofting are reduced
Solution Approach 1:
The faceplate employs variable thickness design where the strike face portion has greater thickness for structural integrity and weight pad support, while the sole return portion has reduced thickness to enable flexure. This local differentiation allows the faceplate to maintain strength where needed while providing the necessary flexibility for dynamic lofting during impact.
Solution Approach 2:
The faceplate is divided into distinct functional segments: a strike face portion for supporting the weight pad and maintaining structural integrity, and a sole return portion for providing flexure and dynamic lofting. This segmentation allows each portion to be optimized for its specific function without compromising the other.
2Stability of the object's composition
If the weight pad is positioned lower to reduce center of gravity, then stability is improved, but interference with faceplate flexure may occur
Solution Approach 1:
The weight pad is extracted from the traditional position and repositioned within the cavity of the sole return portion, separated from the strike face portion by the sole return structure. This spatial extraction allows the weight pad to be positioned low for stability while the sole return structure prevents interference with faceplate flexure during impact.
Solution Approach 2:
The sole return portion acts as an intermediary structure between the weight pad and the strike face portion. It provides a cavity that accommodates the weight pad while maintaining physical separation, allowing the weight pad to be positioned low without directly interfering with the flexure of the strike face portion.
3Stability of the object's composition
If the faceplate is designed with reduced thickness to increase flexure, then dynamic lofting is improved, but structural integrity may be compromised
Solution Approach 1:
The faceplate employs variable thickness design where the strike face portion has greater thickness for structural integrity and weight pad support, while the sole return portion has reduced thickness to enable flexure. This local differentiation allows the faceplate to maintain strength where needed while providing the necessary flexibility for dynamic lofting during impact.
Solution Approach 2:
The club head utilizes composite construction with a hollow body formed from a first material (such as titanium or stainless steel) and a faceplate made from a second material (such as carbon fiber reinforced polymer or metal). This composite approach allows optimization of each material for its specific function: the hollow body provides structural integrity while the faceplate provides flexure and dynamic lofting.
Data Source
AI summary
Embodiments of an iron-type golf club head comprising an L-shaped faceplate configured for flexibility are described herein. The L-shaped faceplate comprises a strike face portion and a sole return that wraps around a leading edge of the golf club head. In some embodiments, the L-shaped faceplate further comprises a top rail extension and a toe extension that extend to the peripheries of the golf club head. The golf club head comprises a rear body configured to receive the L-shaped faceplate to form a hollow interior cavity. The rear body comprises a sole ledge configured to receive the sole return. In some embodiments, the golf club head further comprises a weight pad that overhangs a portion of the sole return. In some embodiments, the golf club head further comprises dynamic lofting features that increase the bending in the rear body.