Cutting Element Reinforcing Profile for Wear Reduction
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Solution Overview
Problem
Conventional cutting bodies for shredding organic substances and soils experience high wear, are expensive to manufacture, and tend to break or deform, requiring frequent replacement, with inadequate force transmission and stability.
Innovation Solution
A cutting body design featuring a reinforcing profile and V-like grooves for improved force transmission and lateral stabilization, combined with conically tapered legs and chip-repellent surfaces to reduce friction and weight, ensuring secure connection to a rotor while minimizing manufacturing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If conventional cutting bodies are used for shredding organic substances and soils, then the cutting function is provided, but the service life is short due to high wear and they are expensive to manufacture
Solution Approach 1:
The cutting body is divided into functionally distinct zones: a cutting edge zone for material removal, a reinforcing profile zone for force absorption, and a leg zone for mounting. This segmentation allows each zone to be optimized independently - the cutting edge can be made of hard, wear-resistant material while the body can be made of tougher, more ductile material to absorb impacts without breaking
Solution Approach 2:
The cutting body employs composite construction with a reinforcing profile that combines different material properties in one component. The body part and reinforcing profile form a composite structure that leverages the strengths of different materials - one optimized for cutting edge retention, another for impact resistance and force transmission
2Strength
If conventional cutting bodies are used, then the cutting function is provided, but they tend to break or deform their receptacles or base parts
Solution Approach 1:
The reinforcing profile is positioned strategically below the cutting edge to absorb and distribute cutting forces before they can transmit to the base part or rotor. This pre-positioned reinforcement acts as a cushioning element that prevents force concentration that would cause breaking or deformation of mounting structures
Solution Approach 2:
The cutting body exhibits local quality variations with the reinforcing profile providing enhanced structural properties specifically in the high-stress zone below the cutting edge, while other zones maintain appropriate properties for their functions. The legs are designed with specific geometry for stable mounting, while the body part between legs provides additional force transmission paths
3Force
If conventional cutting bodies are used, then the cutting function is provided, but force transmission to the rotor is inadequate
Solution Approach 1:
The reinforcing profile merges multiple functions into a single structural element: it reinforces the cutting edge zone, provides a surface for force transmission to the base part, and stabilizes the cutting body during operation. This consolidation improves force transmission without proportionally increasing complexity
Solution Approach 2:
The reinforcing profile extends in the longitudinal direction below the cutting edge, creating an additional dimension for force distribution. This longitudinal extension provides a larger contact area with the base part, enabling more effective force transmission along the length of the cutting body
4Stability of the object's composition
If conventional cutting bodies are used, then the cutting function is provided, but lateral stabilization and vibration behavior are poor
Solution Approach 1:
The legs are designed with conical tapering and rounded geometries that provide stable contact with the base part. The curved surfaces of the legs and reinforcing profile create favorable stress distributions and enhance lateral stability through geometric constraints rather than complex mechanical features
Data Source
Figure 1~2
Figure 3~4
AI summary
Disclosed is a cutting element for comminuting organic substances, organic materials, soils, vegetable cultures, or similar, especially for mulching, shredding, and chopping. Said cutting element (R1) can be fixedly or removably connected to a comminuting rotor while being connectable relative to a base piece (14) by means of a bolt. The base piece (14) is provided with a corresponding flank (16) which engages with at least one rear side (13, 15) facing away from the cutting edge (2) in order to transmit force.