PEEK Composite Fastening Nut for CPU Torque and Heat Stability
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Solution Overview
Problem
Existing fastening solutions for CPU processors to motherboards lack sufficient torque resistance, resistance to high-temperature attenuation, and cost-effectiveness, often resulting in thread slipping or breakage and instability in electrical connections.
Innovation Solution
A composite material comprising 29-98% polyether ether ketone resin, 1-70% glass fibre, and 1-70% carbon fibre, with a weight ratio of glass fibre to carbon fibre between (2:1)-(1:2), and the addition of aids like dispersants or antioxidants, is used to create a fastening nut with enhanced torque resistance and high-temperature stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional fastening materials are used, then manufacturing cost is low, but torque resistance is insufficient and thread breaking occurs
Solution Approach 1:
The patent applies composite materials by combining polyether ether ketone resin with glass fibre and carbon fibre in specific proportions (glass fibre: 1-70% by weight, carbon fibre: 1-70% by weight, resin: 29-98% by weight). This composite structure provides both high torque resistance and thread strength while maintaining cost-effectiveness through optimized material ratios, resolving the contradiction between strength requirements and manufacturing cost.
2Reliability
If fastening nuts are used without high-temperature resistance, then manufacturing is simple, but locking force attenuates at high temperatures
Solution Approach 1:
The patent utilizes the inherent high-temperature stability parameter of polyether ether ketone resin, which maintains its mechanical properties at elevated temperatures. The resin's molecular structure parameters are specifically selected to ensure locking force stability above 100°C, while the additive package (antioxidants, nucleating agents) further enhances thermal resistance without significantly complicating the manufacturing process.
3Stability of the object's composition
If fastening nuts lack stretching resistance, then manufacturing is simple, but electrical connections become unstable
Solution Approach 1:
The composite material structure combines the ductility of polyether ether ketone resin with the reinforcement of glass and carbon fibres. This composition provides resistance to stretching deformation while maintaining stable electrical connections, as the fibres distribute stress evenly throughout the fastening nut structure, preventing deformation that would compromise connection stability.
Data Source
AI summary
The present application discloses a composite material and a fastening nut made therefrom, the composite material comprising: a polyether ether ketone resin, glass fibre and carbon fibre. The fastening nut is used to connect a CPU processor to a motherboard. The present application takes into account the environment of use of the fastening nut and the associated demands in terms of performance and cost of the fastening nut, and uses both glass fibre and carbon fibre to modify polyether ether ketone resin, such that the composite material obtained has excellent notch impact strength, excellent insulating properties, a suitable tensile modulus and a reduced cost, so that the fastening nut made from the composite material has excellent torque resistance, suitable resistance to stretching deformation and excellent resistance to high-temperature attenuation, and also has good product stability and a low production cost, so is especially suitable for connecting a CPU processor to a motherboard.