Electroplated Additive Foundry Tooling Wear Resistance
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Solution Overview
Problem
The limited adoption of additive manufacturing (AM) techniques in foundry tooling is due to premature wear, layer line issues, and physical and chemical limitations such as heat resistance, UV vulnerabilities, and mechanical properties, which hinder the potential for time and cost savings.
Innovation Solution
A method involving the formation of a foundry tooling body using AM techniques followed by electroplating to add a metallic coating, enhancing wear resistance, toughness, and other properties, thereby improving the tooling's performance and longevity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If additive manufacturing techniques are used to manufacture foundry tooling, then tooling development time is reduced, but wear resistance deteriorates
Solution Approach 1:
The patent applies composite materials by combining additive manufacturing with electroplating technology. The AM process creates the base tooling structure, while electroplating adds a metallic coating layer that provides enhanced wear resistance. This composite approach allows the tooling to benefit from both the time efficiency of AM and the durability of traditional plated surfaces.
Solution Approach 2:
The patent changes the surface parameters of the AM tooling by applying electroplating. This transforms the surface properties to achieve wear resistance comparable to or exceeding traditional tool steel, while maintaining the dimensional accuracy and surface finish capabilities of additive manufacturing.
2Adaptability or versatility
If additive manufacturing techniques are used to manufacture foundry tooling, then manufacturing flexibility is improved, but dimensional precision deteriorates due to layer line issues
Solution Approach 1:
The electroplating process modifies the surface parameters of the AM tooling, filling in layer line imperfections and achieving dimensional precision that meets or exceeds traditional manufacturing tolerances while retaining the flexibility of additive manufacturing.
3Productivity
If additive manufacturing techniques are used to manufacture foundry tooling, then production speed is increased, but reliability deteriorates due to heat resistance and UV vulnerabilities
Solution Approach 1:
The patent creates a composite structure where the AM base material provides manufacturing speed and flexibility, while the electroplated metallic coating provides heat resistance and UV protection, achieving reliability comparable to traditional tool steel.
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
The electroplated foundry tooling exhibits improved wear resistance, toughness, UV protection, heat resistance, and humidity protection, leading to enhanced mold quality and significantly shortened tooling development cycles, making AM more viable for foundry applications.
Implementation Method 1
electroplating the foundry tooling body to add a metallic coating to at least a portion of the foundry tooling body
Data Source
AI summary
A method for manufacturing foundry tooling comprises the steps of forming a foundry tooling body in accordance with a predetermined model, and electroplating the foundry tooling body to add a metallic coating to at least a portion of the foundry tooling body to define at least one plated tooling body surface, wherein each plated tooling body surface is configured to contact a malleable blank to produce a sand mold suitable for manufacturing a casting.