Lightweight Metal Stud With Wire Matrix Couplers
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Solution Overview
Problem
Conventional metal studs sacrifice strength for weight and require excessive material and manufacturing operations, leading to increased costs and inefficiencies.
Innovation Solution
A lightweight metal stud design featuring elongated channel members with angled flanges and continuous wire couplers, forming a wire matrix that enhances compression and tension resistance without increasing weight, by attaching to flanges rather than major faces, reducing material use and manufacturing steps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional metal studs are formed from one piece of metal to ensure structural integrity, then strength is maintained, but weight increases to 0.77 pounds per foot
Solution Approach 1:
The stud is divided into three separate components: two channel members and a wire coupler. This segmentation allows each component to be optimized independently and assembled into a complete stud that achieves structural integrity through the interconnected components rather than requiring a single solid piece of metal.
Solution Approach 2:
The stud uses a composite construction combining metal channel members with a wire coupler element. This composite approach allows the use of different materials with different strength-to-weight ratios, achieving overall structural integrity while reducing total weight compared to a solid metal construction.
2Weight of moving object
If additional manufacturing operations are added to reduce material usage, then weight decreases, but manufacturing cost increases
Solution Approach 1:
By segmenting the stud into separate components, each component can be manufactured using simple, high-volume processes. The channel members are formed by standard rolling operations and the wire coupler is formed by wire drawing and bending, both of which are efficient processes that reduce overall manufacturing complexity despite the multi-component nature.
Solution Approach 2:
The design changes the manufacturing parameters by moving from a single-piece forming process to separate component manufacturing followed by assembly. This parameter change allows each component to be manufactured at optimal parameters for its specific geometry, reducing overall manufacturing complexity and cost.
3Ease of manufacture
If uniform design is used to simplify manufacturing, then ease of manufacture improves, but material usage increases leading to higher costs
Solution Approach 1:
The uniform cross-sectional design of the channel members is maintained for ease of manufacture, but the addition of the wire coupler segment provides the necessary structural function with minimal material. This segmentation allows the majority of the stud to use simple uniform geometry while the functional coupling is achieved through the efficient wire element.
Solution Approach 2:
The design applies local quality by using the wire coupler specifically at the locations where structural connection is needed between channel members, rather than uniformly distributing material throughout the entire stud. This localized application of material achieves the required strength with minimal overall material usage.
Data Source
AI summary
A light-weight metal stud and method to produce a light-weight metal stud may include forming a pair of channel members each having a respective major face having a respective first edge. Each member includes first and second flanges extending along the respective major face. A wire matrix includes a pair of wires each having apexes alternatively physically attached to the pair of channel members. The wire matrix forms longitudinal passages to support utility lines and position the lines away from the pair of channel members. The apexes are secured to flanges of the pair of channel members to strengthen the stud and reduce weight.