Machine Bucket Geometrical Optimization for Wear and Capacity
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Solution Overview
Problem
Existing machine buckets lack optimal geometrical parameters, leading to inefficiencies in material handling, capacity, and wear, as they either prioritize capacity over ease of operation or vice versa, and fail to balance these factors effectively.
Innovation Solution
A machine bucket design with specific geometrical parameters, including a curved upper portion with a central angle of 129.5° to 130.5°, a curved lower portion with a central angle of 29.5° to 30.5°, a depth-to-length ratio of 0.77 to 0.81, and strategic angles for the support plate and cutting edge, optimizing the balance between material handling efficiency and capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the bucket prioritizes capacity, then material holding volume increases, but ease of operation deteriorates
Solution Approach 1:
The patent applies parameter changes by optimizing specific geometrical parameters of the bucket wrapper, including the curved upper portion arc with a central angle of 129.5° to 130.5°, the curved lower portion arc with a central angle of 29.5° to 30.5°, and the depth-to-length ratio of 0.77 to 0.81. These precise parameter adjustments resolve the contradiction by creating a bucket geometry that simultaneously achieves optimal capacity and operational ease through mathematically determined angular and proportional relationships.
2Quantity of substance
If the bucket prioritizes capacity, then material holding volume increases, but wear increases
Solution Approach 1:
The patent resolves the contradiction between capacity and wear by implementing specific parameter changes in the wrapper geometry. The curved upper portion with central angle 129.5° to 130.5° and curved lower portion with central angle 29.5° to 30.5° create optimized material flow paths that reduce abrasive contact and stress concentration points, thereby decreasing wear while maintaining capacity. The depth-to-length ratio of 0.77 to 0.81 further optimizes the distribution of mechanical stresses during operation.
3Ease of manufacture
If the bucket uses non-optimal geometrical parameters, then manufacturing is simpler, but operational efficiency deteriorates
Solution Approach 1:
The patent applies parameter changes with specific numerical ranges (curved upper portion arc: 129.5° to 130.5°, curved lower portion arc: 29.5° to 30.5°, depth-to-length ratio: 0.77 to 0.81) that optimize operational efficiency while remaining manufacturable. These parameters represent a balanced solution that incorporates engineering optimization without requiring excessively complex manufacturing processes, thus resolving the contradiction between manufacturing simplicity and operational efficiency.
Data Source
AI summary
A machine bucket may include a wrapper. The wrapper may form a portion of a receptacle for holding material. The wrapper may include a curved upper portion defining an arc. The curved upper portion may have a central angle value (θU) of between approximately 129.5° and 130.5°. The wrapper may also include a curved lower portion defining an arc. The curved lower portion may have a central angle value (θL) of between approximately 29.5° and 30.5°.