Shredding Rotor Cutting Tool Mounting for Robust Force Transfer
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Solution Overview
Problem
Existing cutting tools for shredding rotors lack robustness, ease of assembly, and reliable operation, particularly in applications involving wood, soil, and rock shredding.
Innovation Solution
A cutting tool design featuring angled sub-sections in the mounting area, a wedge-shaped groove, and a screw connection for secure attachment to a base element, allowing effective force distribution and easy assembly/disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional mounting area design is used, then the cutting tool can be attached to the base element, but the connection lacks robustness and reliability under operating forces
Solution Approach 1:
The mounting area is designed with two sub-areas oriented at an angle greater than 90 degrees to each other, creating an asymmetric configuration that optimally distributes operating forces. This asymmetric angular arrangement prevents uniform stress concentration and enhances both the strength and reliability of the connection between cutting tool and base element.
2Strength
If a robust mounting design is implemented, then the cutting tool can withstand operating forces, but the assembly and disassembly process becomes complex
Solution Approach 1:
The mounting area is segmented into two distinct sub-areas with different orientations, allowing the connection to withstand forces from multiple directions independently. This segmentation enables a simple screw connection to achieve robust mounting without complex assembly procedures, as each sub-area handles specific force components.
3Ease of operation
If the cutting tool is designed for easy assembly, then the mounting process is simplified, but the connection may not reliably transfer operating forces
Solution Approach 1:
The asymmetric angular arrangement of the two sub-areas creates optimal force distribution paths that enhance connection reliability. This geometric configuration ensures that operating forces are effectively transferred to the base element through the simplified screw connection, maintaining both ease of assembly and high reliability.
4Ease of manufacture
If a simple mounting area design is used, then manufacturing is easier, but the cutting tool lacks durability under heavy loads
Solution Approach 1:
Dividing the mounting area into two functional sub-areas with specific angular orientations optimizes force distribution without significantly complicating manufacturing. This segmentation enhances durability and service life by preventing stress concentration, while remaining compatible with standard manufacturing processes.
Data Source
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AI summary
The invention relates to a cutting tool for a shredding rotor (12), in particular for shredding wood and/or soil, comprising at least one cutting edge (22) and at least one mounting area (36), which is preferably at least partially designed as a mounting recess having two sub-areas (38, 40) extending longitudinally and oriented at an angle to each other. It is proposed that the sub-areas (38, 40) enclose an angle (A) greater than 90 degrees.