Multi-Material Golf Putter Head with Engineered Stone
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Solution Overview
Problem
Golf putters often exhibit inconsistent performance due to equipment that provides unreliable and unpredictable swing characteristics, particularly in putting, which is a significant part of the game, making it difficult for golfers to identify and address the issue.
Innovation Solution
A golf club head with a multi-material construction, where a first portion is made of engineered stone or concrete with a density between 2 and 3 g/cm3, and a second portion is made of a material like metal or thermoplastic, allowing for redistribution of mass and improved swing consistency, forgiveness, and energy transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional single-material construction is used, then manufacturing is simpler, but swing consistency and predictability are poor
Solution Approach 1:
The putter head combines engineered stone material with traditional metals or composites to create a multi-material construction. The engineered stone portion (50-80% of volume) provides consistent swing characteristics and predictable mass distribution, while the metal or composite portions provide structural support and hosel integration. This composite approach resolves the contradiction by achieving superior swing reliability through material properties while managing construction complexity through integrated manufacturing processes.
2Weight of moving object
If increased volume is achieved with traditional materials, then mass increases, but mass distribution becomes less controllable
Solution Approach 1:
The engineered stone material has a density of 2-3 g/cm3, which is significantly lower than traditional metals like stainless steel (7-8 g/cm3). This allows the design to increase club head volume and redistribute mass to specific portions (such as the perimeter or heel/toe areas) to optimize moment of inertia and swing consistency. The lower density material enables precise local mass distribution control without proportionally increasing overall weight, resolving the contradiction between volume and mass distribution control.
Data Source
AI summary
A golf club head with a multi-material construction in which a portion of the club head is a first material such as engineered stone or concrete and a second portion of the club head is a second material such as a metal, thermoplastic, or a composite.