Golf Iron Leading Edge Tungsten Insert for Center of Gravity Control
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Solution Overview
Problem
Most golf club irons on the market do not have a center of gravity that is low and forward enough for optimal performance, leading to suboptimal swing, striking, and ball flight.
Innovation Solution
A golf club iron design featuring a high-density insert within a recess in the leading edge, where the insert is made of a material with a density greater than 8 g/cm3, such as tungsten alloy, integrated into a steel club head, which is secured via welding, press fit, or bonding, to create a low and forward center of gravity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a single material is used for the club head, then manufacturing is simple, but the center of gravity cannot be positioned low and forward enough for optimal performance
Solution Approach 1:
The patent applies composite materials by combining a steel club head with a high-density tungsten alloy insert. The steel provides structural integrity and ease of manufacturing, while the tungsten alloy insert (with density 15.6-19.6 g/cm³) enables precise center of gravity positioning low and forward in the club head, resolving the contradiction between manufacturing simplicity and center of gravity positioning precision.
Solution Approach 2:
The patent segments the club head into two distinct components: the steel club head body and the separate tungsten alloy insert. This segmentation allows independent optimization of each component - the steel head for manufacturing ease and the dense insert for precise weight distribution and center of gravity control, thereby resolving the technical contradiction.
2Manufacturing precision
If weighting elements are added to improve center of gravity position, then performance improves, but device complexity increases
Solution Approach 1:
The patent applies local quality by concentrating the high-density tungsten alloy insert specifically in the lower portion of the club head where it is needed for optimal center of gravity positioning. This localized approach achieves the desired performance improvement without adding weighting elements throughout the entire structure, thereby minimizing structural complexity while maximizing center of gravity control.
3Manufacturing precision
If high density material is used in the leading edge, then center of gravity is positioned favorably, but manufacturing complexity increases
Solution Approach 1:
The patent applies the nesting principle by placing the tungsten alloy insert within a recess or cavity in the steel club head. This nested structure allows the high-density material to be integrated into the leading edge region for precise center of gravity positioning while maintaining a relatively simple manufacturing process - the insert is positioned and secured within the existing head structure rather than requiring complex integrated forming.
Data Source
AI summary
A golf club iron having a head center of gravity that is low and forward enough to provide a better swing, good striking and swinging feel, and improved ball flight is disclosed. The iron has a recess in a leading edge region and a high density insert disposed within the recess to achieve the desired center of gravity location.