Overlapping Cutting Edge Tip Geometry for Load Sharing and Wear
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Solution Overview
Problem
Existing cutting edge tip systems for work implement assemblies, such as bucket assemblies, do not adequately support thrust and side loads, and lack flexibility in adapter spacing, leading to unsatisfactory longevity and performance in various applications.
Innovation Solution
The proposed overlapping cutting edge tip system (OCETS) features an attachment portion with an adapter receiving void, lateral and vertical directions, and a forwardly extending working portion, with lateral end portions and transitional surfaces that allow for robust support and variable adapter spacing, enhancing durability and adaptability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a center cutting edge tip provides vertical overlap between adjacent cutting edges, then vertical support at the joint is improved, but thrust loads and side loads are not effectively shared
Solution Approach 1:
The cutting edge tip design transitions from single-direction (vertical) overlap to multi-dimensional overlap by incorporating both vertical and horizontal overlapping portions. The vertical overlapping portion provides vertical support while the horizontal overlapping portion enables load sharing in horizontal directions, effectively addressing thrust and side loads through dimensional expansion of the overlap geometry.
2Reliability
If a center cutting edge tip system provides horizontal overlap, then load distribution is improved, but variable spacing between adapters cannot be accommodated
Solution Approach 1:
The system employs adjustable adapter spacing mechanisms that allow the horizontal overlap configuration to adapt to different spacing requirements. The dynamic adjustment capability enables the same horizontal overlap design to maintain effective load distribution across variable adapter positions, combining structural reliability with operational flexibility.
3Productivity
If cutting edge tips are designed for specific applications, then performance in that application is improved, but longevity across multiple applications is reduced
Solution Approach 1:
The cutting edge tip design incorporates both vertical and horizontal overlapping portions that can effectively handle multiple load types including thrust loads, side loads, and vertical loads. This multi-functional geometry allows the same tip design to perform well across various applications such as grading, cleaning, and foundation work, extending tip longevity while maintaining application-specific performance.
Data Source
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AI summary
A cutting edge tip (400) includes an attachment portion (402) defining an adapter receiving void (404). A working portion (411) extends forwardly from the attachment portion (402). A first lateral end portion (414) is disposed along the lateral direction (408), the first lateral end portion (414) defining a first lateral end surface (416) that jogs laterally. Also, a second lateral end portion (418) is disposed along the lateral direction (408) opposite of the first lateral end portion (414). The second lateral end portion (418) also defines a second lateral end surface (420) that jogs laterally.