Tire Belt Depth Sensing for Consistent Casing Buffing
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Solution Overview
Problem
Existing tire buffing machines are prone to errors and damage due to variations in tire casing size and shape, leading to issues like loose tread edges and irreversible damage from overbuffing or underbuffing.
Innovation Solution
A tire buffing machine equipped with a belt detection apparatus and an electronic controller that uses sensors to monitor belt depths and adjust the buffing process accordingly, maintaining a database of casing profiles for precise buffing parameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual buffing operation is used, then operator skill determines the final product quality, but consistency and precision are lost due to human variability
Solution Approach 1:
The buffing machine automatically measures belt depth and adjusts buffing parameters without human intervention. The system self-regulates by using sensors to detect belt depth and automatically modifying buffing wheel speed, pressure, or position to maintain precise buffing depth, eliminating dependence on operator skill while ensuring consistent results
Solution Approach 2:
The system continuously monitors belt depth using sensors during the buffing process and uses this feedback to automatically adjust buffing parameters. This closed-loop control ensures that the buffing depth remains within specified tolerances by comparing actual measurements with target values and making real-time corrections
2Ease of manufacture
If buffing parameters are fixed based on standard cases, then standardization is achieved, but errors and damage occur due to casing variations
Solution Approach 1:
The buffing system transitions from static, pre-programmed parameters to dynamic, real-time parameter adjustment. The machine continuously adapts buffing parameters based on actual belt depth measurements detected during operation, allowing it to handle casing variations while maintaining precision through on-the-fly modifications rather than relying on fixed standards
3Device complexity
If belt depth is not monitored, then buffing process is simple, but overbuffing or underbuffing causes damage or loose tread edges
Solution Approach 1:
The system replaces complex mechanical measurement and adjustment mechanisms with electronic sensors and automated control. Instead of using complex mechanical gauges and manual adjustment mechanisms, the patent uses electronic sensors to detect belt depth and an automated control system to adjust buffing parameters, simplifying the overall system while improving reliability through electronic precision
Data Source
AI summary
Systems and methods of buffing tire casings are provided. A tire buffing machine includes a tire hub assembly selectively rotating a mounted casing, a buffer configured to buff the casing, a tire belt detection apparatus having two or more sensors to detect a first belt depth of one or more belts at a first lateral position in a tire casing and a second belt depth of the one or more belts at a second lateral position within the tire casing, and an electronic controller. The controller determines the first belt depth and the second belt depth using a belt detection apparatus having two or more sensors of the belt detection apparatus and adjusts the operation of the buffer based on the first belt depth or the second belt depth.