Multi-material Golf Club Head Hosel Joint Design
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Solution Overview
Problem
Multi-material golf club heads face challenges in securely joining different materials to withstand impact forces while maintaining aesthetics, as lightweight materials often fail to bond well with metallic materials, leading to undesirable visual distractions.
Innovation Solution
The design incorporates a seamless joint between different components by strategically placing the parting line to follow existing visual cues, using a lap joint type of bond with varying overlap lengths across the junction, and employing separate materials for the upper and lower hosel components to enhance both bond strength and aesthetics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If lightweight materials are used to replace metallic materials in the golf club head, then weight is reduced, but bond strength between different materials deteriorates
Solution Approach 1:
The patent employs composite materials by combining lightweight materials (such as polymers or composites) with metallic materials in specific regions of the golf club head. The upper hosel component is made from a different material than the body, creating a multi-material composite structure that achieves both weight reduction and adequate bond strength through proper material selection and bonding techniques.
2Reliability
If different materials are used for different components of the golf club head, then performance is improved, but aesthetics deteriorate due to visual distractions
Solution Approach 1:
The patent applies local quality by strategically placing material transitions at specific locations where they are least visually noticeable. The parting line between different materials is positioned to follow existing visual cues on the golf club head, such as design lines or shading patterns, so that the material differentiation does not create unwanted visual distractions while still providing performance benefits.
3Ease of manufacture
If the parting line between materials is placed randomly, then manufacturing is easier, but aesthetics deteriorate due to visual distractions
Solution Approach 1:
The patent incorporates preliminary action by pre-planning the parting line position during the design phase to align with existing visual cues. The design of the joint between different components is continuously adjusted depending on the needs of the golf club head at across the entire junction, ensuring that the parting line is positioned optimally for both aesthetics and manufacturing before production begins.
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
This approach achieves a secure and aesthetically pleasing bond between different materials, minimizing visual distractions and improving the performance of the golf club head by aligning the parting line with natural visual features, thus enhancing both functionality and appearance.
Implementation Method 1
The bond between a thin crown piece and the chassis of the golf club head creates a unique set of challenges
Data Source
AI summary
The presently disclosed technology is directed to a golf club head. For example, the golf club head may include a body that includes an upper hosel region. The golf club head may include an upper hosel component to engage the upper hosel region.