Abrasive Component Geometry for Lower-Friction Material Removal
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Solution Overview
Problem
Existing abrasive articles used in material removal operations, such as cutting and grinding, lack improved performance and efficiency, particularly in tools used for construction and quarrying applications.
Innovation Solution
The development of abrasive articles featuring a core with abrasive components having varying radial widths and transitional edges, which reduce friction and enhance operational efficiency by optimizing the contact with the workpiece.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If abrasive components have uniform width throughout, then manufacturing is simpler, but friction and operational efficiency are not optimized
Solution Approach 1:
The abrasive component features varying radial widths along its circumferential length, with a leading end portion having a first radial width and a trailing end portion having a second radial width. This local variation in geometry optimizes friction reduction and material removal efficiency at different operational zones, resolving the contradiction between operational efficiency and manufacturing simplicity.
Solution Approach 2:
The abrasive component employs asymmetric geometry where the leading end portion and trailing end portion have different radial widths. This asymmetric design allows the leading edge to effectively engage and remove material while the trailing portion provides support, thereby reducing overall friction and enhancing operational efficiency despite increased geometric complexity.
2Productivity
If abrasive components have larger contact area with workpiece, then material removal rate increases, but friction increases reducing tool life
Solution Approach 1:
The abrasive component is designed with different radial widths at the leading and trailing ends to create optimal contact distribution. The leading end portion with greater radial width provides sufficient contact area for effective material removal, while the tapered transition to a narrower trailing end reduces overall friction and heat generation, thereby extending tool life while maintaining high material removal rates.
Solution Approach 2:
The invention introduces radial width variation as an additional geometric dimension to control the contact interface between the abrasive component and workpiece. By varying the radial width along the circumferential direction, the design optimizes both the contact area for material removal and the friction characteristics, resolving the contradiction between productivity and energy loss.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The abrasive articles exhibit reduced friction and improved performance during material removal operations, leading to enhanced efficiency and extended tool life.
Implementation Method 1
Abrasive articles are used in material removal operations, such as cutting, grinding, or shaping various materials
Data Source
AI summary
An abrasive article can include a core and an abrasive component attached to the core. The abrasive component may include a body including a leading end and a trailing end, wherein the leading end has a width greater than a width of the trailing end. In an embodiment, the abrasive component may include a body including a first abrasive portion and a second abrasive portion, wherein a radial width of the first abrasive portion is greater than a radial width of the second abrasive portion.