Segmented Grinding Wheel for Tapered Roller End Face
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Solution Overview
Problem
Existing machining apparatuses for tapered rollers face challenges in maintaining machining accuracy due to degradation of the grinding wheel, requiring replacement of the entire grinding wheel unit, which is inefficient and costly, especially in areas where precision is critical.
Innovation Solution
A machining apparatus with a detachable, segmented grinding wheel body that allows for individual segment replacement and adjustment, enabling maintenance management of only the affected parts without replacing the entire grinding wheel, thereby restoring desired shape and accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the entire grinding wheel is replaced for maintenance, then machining accuracy is restored, but maintenance cost and time increase significantly
Solution Approach 1:
The grinding wheel body is divided into multiple independent segments that can be replaced individually. When degradation occurs in a specific area, only that segment needs to be replaced rather than the entire grinding wheel, thereby reducing maintenance time and cost while restoring machining accuracy.
2Manufacturing precision
If the entire grinding wheel is replaced for maintenance, then machining accuracy is restored, but maintenance cost increases
Solution Approach 1:
The grinding wheel body is divided into multiple independent segments that can be replaced individually. When degradation occurs in a specific area, only that segment needs to be replaced rather than the entire grinding wheel, thereby reducing maintenance cost while restoring machining accuracy.
3Strength
If the grinding wheel is made as a single integrated unit, then structural strength is maintained, but partial replacement for maintenance is not possible
Solution Approach 1:
The grinding wheel body is divided into multiple segments connected by coupling portions. Each segment can be independently replaced while maintaining the overall structural integrity through the coupling mechanism, thus achieving both structural strength and ease of repair.
Solution Approach 2:
The coupling portions are provided with internal and external threaded structures that nest together to connect segments. This nested coupling mechanism maintains structural strength while allowing individual segments to be removed and replaced independently.
4Ease of repair
If the grinding wheel segments are made detachable, then partial replacement becomes possible, but device complexity increases
Solution Approach 1:
The coupling portions use internal and external threaded structures that nest together, providing a relatively simple connection mechanism. This reduces the complexity increase that would otherwise result from making segments detachable, while still enabling easy replacement.
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
This solution allows for targeted maintenance and replacement of grinding wheel segments, improving machining accuracy and reducing maintenance costs by enabling precise adjustments and replacements without affecting the entire grinding wheel unit.
Implementation Method 1
a grinding wheel body (22) that is separate from the seat (21), is detachably mounted to the seat (21), has a substantially C-shaped overall shape, and has the grinding wheel surface (23) on an inner peripheral side of the grinding wheel body (22)
Data Source
AI summary
A machining apparatus includes a transfer mechanism portion and a grinding wheel unit. The transfer mechanism portion transfers a tapered roller having a large end face directed outward in a radial direction by causing the tapered roller to revolve about a vertical line while causing the tapered roller to rotate. The grinding wheel unit is substantially C-shaped, and has a grinding wheel surface that comes in sliding contact with the large end face of the transferred tapered roller on an inner peripheral side thereof. The grinding wheel unit has a substantially C-shaped seat fixed to an apparatus main body, and a grinding wheel body that is separate from the seat and is detachably mounted to the seat. The grinding wheel body is substantially C-shaped, and has the grinding wheel surface on an inner peripheral side thereof. The grinding wheel body is constituted by segments disposed along a circumferential direction.