Movable Heat Sink Rolling Device for Metallic Strip Surface Quality
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Solution Overview
Problem
Existing rapid solidification technologies for producing metallic strips face challenges in achieving high homogeneity and low surface roughness, leading to increased production costs and reduced quality, particularly in long casting processes.
Innovation Solution
A device and method utilizing a movable heat sink with a rolling device that smooths the external surface before and during the solidification process, reducing surface roughness and ensuring homogeneity by redistributing material without producing chips or debris, allowing for longer casting processes and improved strip quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a melt is continuously poured onto a moving heat sink to produce a metallic strip, then productivity is improved, but surface roughness and homogeneity deteriorate due to dust, rubble, and melt residues accumulating on the heat sink surface
Solution Approach 1:
The rolling device performs preliminary action by smoothing the heat sink surface before the melt is poured onto it. This preventive approach eliminates dust, rubble, and melt residues from the surface before contact with the melt, ensuring high surface quality in the produced strip while maintaining continuous production.
Solution Approach 2:
The patent replaces the traditional mechanical brush cleaning system with a rolling device that uses controlled plastic deformation to smooth the surface. This substitution eliminates the need for complex mechanical cleaning mechanisms while achieving superior surface preparation through material redistribution.
2Manufacturing precision
If brushes are used to clean the heat sink surface before melt application, then manufacturing precision is improved, but device complexity and production of harmful debris increase
Solution Approach 1:
The invention extracts the harmful function of brush cleaning that produces debris and complexity, replacing it with a rolling device that smooths the surface through plastic deformation. This removes the need for complex mechanical cleaning systems while eliminating debris production.
Solution Approach 2:
The rolling device converts the potential harm of surface contact into a benefit by using controlled plastic deformation to smooth the surface. Instead of mechanically removing material as brushes do, the rolling device redistributes material to create a uniformly smooth surface, eliminating debris while improving surface quality.
3Device complexity
If the heat sink surface is not smoothed, then device complexity is reduced, but strip homogeneity and surface quality deteriorate over longer casting sections
Solution Approach 1:
The rolling device performs preliminary smoothing of the heat sink surface before melt application, ensuring consistent surface quality throughout the casting process. This simple pre-treatment action maintains strip homogeneity over long casting sections without requiring complex surface preparation systems.
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 solution achieves a consistent low surface roughness over extended lengths, reducing production costs and enhancing properties such as magnetic properties in alloys, enabling the production of homogeneous magnet cores in a single casting process.
Implementation Method 1
The external surface is roller-burnished with the rolling device and therefore worked, so that the external surface is smoothed. In this context, the term 'work' should be understood to mean a redistribution of material.
Implementation Method 2
a melt is poured onto a fast-moving heat sink, and the melt solidifies on the heat sink owing to the thermal conductivity of the latter
Data Source
AI summary
A device for the production of a metallic strip using a rapid solidification technology is provided. The device includes a movable heat sink with an external surface onto which a melt is poured and on which the melt solidifies to produce the strip, and which device includes a rolling device which can be pressed against the external surface of the movable heat sink while the heat sink is in motion.