Profile for a rolling tool
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Solution Overview
Problem
Current rolling tools face high refurbishment costs and quality issues due to the complexity of their design, with existing solutions not effectively addressing the need for cost reduction and improved outer contour quality in the rolling process.
Innovation Solution
A two-part rolling tool design featuring a base body and a profile part with a floating bearing, allowing relative movement between the base body and profile part to self-align using translational degrees of freedom, optimizing the rolling process and reducing maintenance costs by enabling easy interchangeability and material savings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the rolling tool is designed as a single integrated piece, then structural strength and stability are improved, but refurbishment costs increase and material efficiency decreases
Solution Approach 1:
The rolling tool is divided into two separate components: a base body and a profile part. The profile part can be detached and replaced independently when worn, while the base body remains. This segmentation allows cost-effective refurbishment by replacing only the consumable profile part rather than the entire tool assembly.
2Manufacturing precision
If the profile part is made of higher-quality materials, then outer contour quality improves, but overall tool cost increases
Solution Approach 1:
Different material qualities are applied to different parts of the tool based on functional requirements. The profile part, which directly contacts the workpiece and requires high precision, is made of high-quality material. The base body, which provides structural support but does not directly contact the workpiece, is made of lower-cost material. This local differentiation optimizes both quality and cost.
3Duration of action of stationary object
If the profile part has increased thickness, then durability and load-bearing capacity improve, but material consumption and cost increase
Solution Approach 1:
The profile part is designed with optimized thickness that balances durability and material efficiency. Rather than uniformly increasing thickness throughout, the design uses varying thickness where needed for structural integrity while minimizing material usage in less critical areas. The modular design allows the profile part to be replaced when worn, extending the effective service life of the entire tool system.
4Strength
If multiple screw connections are used to attach the profile part, then connection strength improves, but device complexity and assembly time increase
Solution Approach 1:
The connection system is segmented into standardized screw connections that facilitate easy assembly and disassembly. While multiple screws are used to ensure adequate connection strength, they are positioned and sized to balance structural requirements with assembly efficiency, allowing quick replacement of the profile part without excessive complexity.
Data Source
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AI summary
Profile part (7) for a rolling tool (5), comprising a profiling section (9) for shaping a workpiece (2) to be rolled, and a connecting section (11) for connecting to a separate base body (6) of the rolling tool (5), characterized in that the maximum thickness of the profile part (7), i.e. the thickness at the thickest point of the profile part (7), is between 4 mm and 10 mm, in particular between 4 mm and 8 mm.