Heterogeneous Metal Part Bonding With Adhesive Gap Filling
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Solution Overview
Problem
Existing methods for combining heterogeneous metal parts, such as those used in consumer electronics, require multiple steps and additional processes like thermal spraying to achieve integration, which complicates the manufacturing process.
Innovation Solution
A method involving the use of a first metal part with a recess area and an extension portion, where a bonding adhesive is applied and a second metal part is pressed against the adhesive, allowing it to spread and fill gaps, thereby combining the parts in a single step.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple steps including thermal spraying are used to combine heterogeneous metal parts, then the integration between parts is improved, but the manufacturing process complexity increases
Solution Approach 1:
The patent combines the bonding adhesive application and gap filling operations into a single integrated step. The bonding adhesive is applied to the bonding surface and simultaneously fills the gap between the first and second metal parts, eliminating the need for separate thermal spraying operations and reducing manufacturing process complexity while maintaining part integration
2Reliability
If multiple steps are used to combine heterogeneous metal parts, then the bonding quality is improved, but the manufacturing time increases
Solution Approach 1:
The patent merges multiple operations (adhesive application and gap filling) into a single step, reducing the total number of manufacturing steps and thereby reducing manufacturing time while maintaining bonding quality through the dual-function bonding adhesive
3Reliability
If thermal spraying is used to fill gaps between metal parts, then the integration is improved, but the process complexity and cost increase
Solution Approach 1:
The patent uses a bonding adhesive as an intermediary substance that serves dual functions: bonding the metal parts together and filling the gaps between them. This replaces the need for thermal spraying processes, simplifying the manufacturing process while maintaining integration quality
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 method simplifies the combination of heterogeneous metal parts by allowing them to be integrated and gaps filled in a single step, reducing the complexity and time required in the manufacturing process.
Implementation Method 1
the bonding adhesive to spread laterally in the recess area of the first metal part when being pressed, and so as to allow the bonding adhesive to upwardly fill the gap
Data Source
AI summary
A method for combining heterogeneous metal parts includes steps of: a) disposing a first metal part in a mold cavity of a lower mold, the first metal part including a bottom portion, a vertical portion, and an extension portion; b) disposing a first upper mold on the upper surface of the extension portion of the first metal part; c) before or after step a), providing a bonding adhesive on the bottom portion of the first metal part; and d) after steps a), b), and c), pressing a second metal part downwardly to force a lower surface of second metal part to press against the bonding adhesive.