Golf Club Hosel Post-Weld Orientation Adjustment
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Solution Overview
Problem
During the welding of multi-piece golf club heads, distortions can occur, leading to face angle, loft, and lie angle deviations from specifications, necessitating post-weld hosel bending, which is hindered by the presence of a hosel rib that limits flexibility.
Innovation Solution
A golf club head design incorporating a hosel rib that allows for manipulation and subsequent affixation after welding, using a rib window or affixation ports to facilitate bending and secure the hosel rib to the shell, ensuring alignment within specifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a hosel rib is added to bridge the gap between the hosel and the golf club head, then structural strength and acoustic qualities are improved, but the ability to bend the hosel after welding is limited
Solution Approach 1:
The hosel rib is divided into two separate components: the rib portion attached to the hosel and the hosel portion attached to the golf club head shell. This segmentation allows the hosel to be bent and oriented correctly after welding before the rib is affixed to complete the structural connection, resolving the contradiction between needing structural strength and maintaining bending capability.
Solution Approach 2:
The hosel is bent and oriented to the desired angle before the rib is affixed to the golf club head shell. This preliminary action allows the hosel to be positioned correctly while the rib remains unattached, enabling post-weld manipulation while still achieving the final structural strength when the rib is secured.
2Productivity
If multi-piece golf club heads are welded together, then manufacturing efficiency is improved, but distortion occurs causing angle deviations from specifications
Solution Approach 1:
The hosel is pre-bent to the desired orientation before welding the multi-piece golf club head components together. This preliminary action compensates for potential welding distortions, ensuring that even after welding causes some distortion, the final angles remain within specifications due to the pre-compensated hosel orientation.
Solution Approach 2:
The hosel is deliberately bent to specific angles during assembly before welding, changing its physical state and orientation. This parameter change allows the hosel to be positioned at precise angles that account for expected welding distortions, maintaining manufacturing precision while enabling efficient multi-piece construction.
3Manufacturing precision
If the hosel is bent after welding to correct angle deviations, then manufacturing precision is improved, but the process becomes more complex and time-consuming
Solution Approach 1:
Instead of bending the hosel after welding to correct deviations, the hosel is pre-bent to the correct orientation before welding. This preliminary action eliminates the need for complex post-weld bending operations and angle measurement corrections, simplifying the overall manufacturing process while maintaining precision.
Solution Approach 2:
The conventional approach of welding first then bending to correct errors is inverted. Instead, the hosel is bent to the desired final orientation before welding, so that the welding process locks in the correct angles rather than requiring correction afterward. This inversion simplifies the manufacturing process by eliminating post-weld adjustment complexity.
Data Source
AI summary
A method of constructing a golf club head, comprising affixing a hosel to a shell, wherein said shell comprises a striking face, a sole extending aftward from a lower edge of said ball striking face, and a crown extending aftward from an upper edge of said ball striking face, wherein said shell defines a golf club head interior within said shell, wherein said hosel is configured to receive a golf club shaft, wherein said hosel comprises an internal portion within said golf club head interior and an external portion extending outside said shell, wherein said golf club head comprises a hosel rib affixed to said internal portion of said hosel, manipulating the orientation of said hosel relative to said shell after affixing said hosel to said shell, and affixing said hosel rib to said shell after manipulating the orientation of said hosel.