Golf Club Head Face Insert with Stress Reducing Ring
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Solution Overview
Problem
Current golf club heads with thinned faces and thickened central and perimeter regions do not optimize weight distribution, leading to localized benefits and unnecessary stress concentration at the extremities, which can affect ball speed and durability.
Innovation Solution
A golf club head design featuring a thickened central region, central transition region, thinned intermediate region, thickened stress reducing region, and thinned perimeter region, with the thickened stress reducing region forming a ring that protrudes rearward, optimizing weight distribution and reducing stress concentrations by strategically placing the thickened stress reducing region to balance mass and structural rigidity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the striking face is thinned out to improve ball speed, then the ball speed increases, but the structural integrity and durability deteriorate
Solution Approach 1:
The face insert employs varying thickness across different regions: thinned in the perimeter region for weight reduction and thinned intermediate region for ball speed, while maintaining thickened central region for structural support and thickened stress reducing region for durability. This local quality variation resolves the contradiction by optimizing each region's thickness according to its specific functional requirements.
2Reliability
If a thickened perimeter region is added to improve durability, then the durability increases, but the weight and mass increase unnecessarily
Solution Approach 1:
Instead of uniformly thickening the entire perimeter region, the invention applies thickening only in the stress reducing region where durability is needed, while maintaining thinned portions in other perimeter areas. This selective local quality approach provides durability enhancement without unnecessary weight addition.
Solution Approach 2:
The invention applies partial thickening rather than complete perimeter thickening. The thickened stress reducing region is strategically positioned to address specific durability concerns without extending thickening to the entire perimeter, thus avoiding excessive weight gain while achieving sufficient durability improvement.
3Speed
If weight is removed from the extremities to reduce mass, then the ball speed improves, but the stress concentration at the perimeter increases
Solution Approach 1:
The face insert implements different thickness qualities in different regions: thinned in the perimeter region for weight reduction and stress distribution, while maintaining thickened stress reducing region strategically positioned to handle stress concentrations. This local quality differentiation resolves the contradiction between weight reduction and stress management.
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 achieves a lighter face insert with reduced mass while maintaining structural integrity, enhancing ball speed and durability by distributing stress more evenly across the striking face.
Implementation Method 1
distributing stress more evenly across the striking face
Implementation Method 2
allowing the striking face to elastically deform when impacting a golf ball
Data Source
AI summary
A golf club head with improved striking face is disclosed. More specifically, the presently disclosed technology relates to a golf club head wherein the striking face portion includes a central opening and a face insert to cover said central opening. The face insert includes a thickened central region, a central transition region extending outward radially from the thickened central region, a thinned intermediate region, extending outward radially from the central transition region, and a thickened stress reducing region, extending outward radially from the thinned intermediate region. The striking face portion includes a thinned perimeter region, extending outward radially from the thickened stress reducing region. The thickened stress reducing region forms a horseshoe shaped ring, protruding rearward from the face insert.