Temperature-controlled component and method for the production of a temperature-controlled component
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Solution Overview
Problem
In agitator ball mills, temperature-controlled components like the agitator shaft face significant wear due to process heat, leading to frequent replacements and increased operational costs, especially in high-performance mills where heat management is challenging.
Innovation Solution
A temperature-controlled component with varying wall thicknesses and internal support structures is designed, featuring a hollow space for temperature control medium flow, optimized cooling ducts, and reinforcement in low-wear regions to enhance service life and cooling efficiency, produced using 3D printing for cost-effectiveness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of stationary object
If the wall thickness of the agitator shaft is increased to increase service life, then the durability is improved, but the heat transfer efficiency deteriorates
Solution Approach 1:
The agitator shaft is designed with spatially varying wall thickness: thicker sections in wear-prone areas (lower regions contacting grinding material) to increase durability, and thinner sections in low-wear areas to enhance heat transfer efficiency. This local differentiation resolves the contradiction by optimizing each region's wall thickness according to its specific functional requirements.
2Ease of manufacture
If uniform wall thickness is used throughout the agitator shaft, then the manufacturing is simplified, but the wear resistance in critical areas deteriorates
Solution Approach 1:
Instead of uniform wall thickness, the agitator shaft employs localized thickness variations with thicker walls in wear-critical lower regions and thinner walls in less demanding upper regions. This approach maintains manufacturing feasibility while significantly improving wear resistance where it matters most.
3Temperature
If the agitator shaft is made coolerable with integrated cooling ducts, then the temperature control is improved, but the device complexity increases
Solution Approach 1:
The cooling ducts are integrated directly into the agitator shaft structure, merging the cooling function with the mechanical agitator component. This eliminates the need for separate cooling systems and reduces overall device complexity while maintaining effective temperature control.
Solution Approach 2:
The agitator shaft serves multiple functions simultaneously: mechanical agitation, structural support, and thermal management through integrated cooling ducts. This multi-functionality reduces the need for additional components, thereby reducing device complexity while improving temperature control.
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 extends the service life of wear-prone components by optimizing heat transfer and cooling, reducing replacement frequency and production costs, while maintaining effective temperature control through tailored design and material usage.
Implementation Method 1
a temperature control medium can flow through the at least one hollow space 6. Between an inner jacket surface of the hollow space 6 and a jacket surface of the base body 2, there is formed a wall thickness w
Implementation Method 2
through which a fluid flow, which can be a warm water flow or a cooling medium flow, respectively, can be guided for the transport of the process heat
Data Source
AI summary
A temperature-controlled component and a method for producing a temperature-controlled component, the temperature-controlled component includes a base body including at least one hollow space, through which a temperature control medium can flow. It is provided that in a first region, a first wall thickness is formed between an inner jacket surface of the hollow space and a jacket surface of the base body, and that in a second region, a second wall thickness is formed between an inner jacket surface of the hollow space and a jacket surface of the base body. The second region is a wear region of the component, and the second wall thickness is larger than the first wall thickness in this wear region.