Automated Tire Downsizing With Mandrel Positioning and Shear Cutting
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Solution Overview
Problem
Traditional tire cutting apparatuses require significant power, labor, and human intervention, leading to inefficiencies and variability in cutting uniformity, especially when handling large tires, and are often limited in adaptability to different tire sizes and types.
Innovation Solution
An automated tire downsizing system comprising a loading/unloading cradle, a mandrel table, a cutting apparatus with adjustable blades, a power unit, and a control unit that coordinates precise positioning and cutting operations, allowing for customized cutting configurations and reduced operator intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If traditional tire cutting apparatuses are used to cut through thick tire material, then cutting force and power requirements increase, but this results in larger machine size and heavy weight
Solution Approach 1:
The tire cutting process is divided into multiple sequential cutting operations using several smaller cutting heads rather than one large high-force cutter. Each cutting head applies moderate force to make incremental cuts, segmenting the overall cutting task into manageable portions that reduce the force requirement for each individual cutting element.
Solution Approach 2:
A mandrel is introduced as an intermediary device that the tire is mounted upon during cutting operations. The mandrel provides structural support and positioning, allowing the tire to be securely held and precisely positioned for cutting without requiring the cutting apparatus itself to have heavy-duty positioning and support capabilities.
2Power
If traditional tire cutting apparatuses are used, then sufficient power is available to cut through tire material, but this requires significant human operator intervention and supervision
Solution Approach 1:
The cutting apparatus is equipped with automated control systems that enable the machine to operate autonomously once the cutting parameters are set. The system can automatically position cutting heads, control cutting depth and speed, and monitor the cutting process, reducing the need for continuous human intervention and supervision during operation.
Solution Approach 2:
The apparatus incorporates feedback mechanisms that monitor cutting progress and adjust operating parameters automatically. Sensors detect tire position, cutting depth, and blade wear, providing real-time feedback to the control system which then makes automatic adjustments to maintain optimal cutting conditions without requiring constant operator attention.
3Manufacturing precision
If traditional cutting machines are used to ensure uniformity of cut pieces, then operator variability affects cut consistency, but automated systems may be limited in adaptability to different tire sizes and types
Solution Approach 1:
The cutting apparatus features dynamically adjustable parameters including cutting head position, cutting depth, blade speed, and spacing between cutting elements. These parameters can be modified in real-time through the control system to accommodate different tire sizes, types, and desired cut patterns, allowing the same machine to maintain precision across various tire configurations.
Solution Approach 2:
The apparatus is designed with universal capabilities to handle multiple tire types and sizes using the same basic cutting mechanism. The combination of programmable control, adjustable parameters, and reconfigurable cutting head arrangements enables a single machine to perform diverse cutting operations on different tire configurations without requiring specialized equipment for each tire type.
4Force
If heavy machinery is used to position and stabilize large tires for cutting, then cutting force can be applied effectively, but this increases equipment complexity and operational difficulty
Solution Approach 1:
The mandrel serves as an intermediary support structure that simplifies tire positioning. Instead of requiring complex heavy-duty positioning equipment to hold and stabilize the tire directly, the tire is mounted on the mandrel which provides the necessary support and stability, allowing the cutting apparatus to focus on applying cutting force rather than also providing structural support.
Solution Approach 2:
The mandrel table is designed to be both movable and rotatable, allowing the tire to be positioned at various orientations and locations to optimize cutting access. This flexible positioning capability eliminates the need for complex fixed heavy-duty positioning mechanisms by providing a simple, adaptable platform that can be easily adjusted to the required position.
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 system enables efficient, automated, and customizable tire downsizing with reduced labor costs and improved uniformity, capable of handling various tire sizes and types without the need for heavy machinery, ensuring precise cutting and streamlined operations.
Implementation Method 1
The blades contact opposite sides of a width of the tire to cut the tire in a shearing action, and remove a portion from the tire bead
Data Source
AI summary
Systems and methods for downsizing tires are disclosed. An automated downsizing apparatus comprises a cradle, mandrel table, cutting apparatus, and a control unit. A tire mounted on the cradle may be received by the movable and rotatable mandrel table, and positioned for engagement with the cutting apparatus. A user may customize a cutting configuration to be executed by the control unit. The control unit positions the mandrel table and cutting apparatus to remove portions from the tire, according to the cutting configuration. During operation, one or more system parameters may be monitored to determine compliance with the selected configuration, and the automated execution may be manually overridden.