Tyre Component Length Control via Electromagnetic Radiation
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Solution Overview
Problem
Existing methods for controlling the laying down of tire components on forming drums are unreliable and lack precision, relying heavily on human operator intervention and experience, which leads to inconsistent and unreplicable results, especially in multi-component and multi-material production environments.
Innovation Solution
A method and apparatus using electromagnetic radiation to detect the main length of components on forming drums, generating correction signals to regulate preparation stations automatically, improving the precision of component positioning and overall length, and adapting to different materials and conditions through algorithms and real-time adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If human operator intervention is used to control component laying down, then operational flexibility is maintained, but manufacturing precision and reliability deteriorate due to inconsistency and unreplicable results
Solution Approach 1:
The patent replaces manual mechanical measurement and adjustment operations with an automated optical measurement system. The system uses electromagnetic radiation (optical sensors) to automatically detect component dimensions and positioning, eliminating the need for human operators to physically measure and adjust components, thereby achieving both automation and high precision
Solution Approach 2:
The system enables self-service by allowing the preparation station to automatically detect component characteristics through optical sensors and self-adjust preparation parameters without human intervention. The closed-loop control system continuously monitors and adjusts the laying down process based on real-time measurements, making the system self-regulating and highly precise
2Manufacturing precision
If automated detection systems are implemented, then manufacturing precision improves, but device complexity increases due to additional sensors and control systems
Solution Approach 1:
The optical sensor system is designed to perform multiple functions: measuring component length, detecting component position, and monitoring component characteristics. This multi-functional approach consolidates what could be multiple separate measurement systems into a single integrated detection apparatus, reducing overall system complexity while maintaining high precision
Solution Approach 2:
The system implements feedback control where the optical sensors continuously detect component parameters and feed this information back to the preparation station, which automatically adjusts preparation settings. This closed-loop feedback mechanism enables high precision through iterative correction without requiring overly complex open-loop control systems
3Reliability
If real-time detection and correction is implemented, then reliability improves, but loss of time increases due to additional measurement and adjustment cycles
Solution Approach 1:
The system performs preliminary detection of component characteristics immediately upon component arrival at the preparation station, before the actual laying down operation. This allows the system to pre-adjust preparation parameters based on detected component variations, ensuring high reliability without adding time during the critical laying down phase
Solution Approach 2:
The optical detection system operates continuously during the component handling process, measuring component parameters in real-time as components move through the preparation station. This continuous measurement approach eliminates the need for separate measurement cycles, maintaining production flow while ensuring reliable component positioning
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 solution enhances the accuracy and reliability of tire component placement, reducing human error and improving the structural characteristics of tires by providing precise and consistent corrections, even in complex production settings.
Implementation Method 1
an emission device to send a first electromagnetic radiation incident on a radially external surface of a first laying structure comprising a forming drum and a first component of a tyre laid down on said forming drum
Implementation Method 2
a detection device to detect at least one corresponding first reflected radiation
Data Source
AI summary
The present invention refers to a method for controlling the laying down of components of tyres on forming drums, said method comprising: sending a first electromagnetic radiation (Ri1) on a first laying down structure (3a) comprising a forming drum (2) and a first component (CI) of a tyre laid down on said forming drum (2); detecting at least a first corresponding reflected radiation (Rr1), determining as a function of said first reflected radiation (Rr1) a first parameter (PI) representative of a first main length (LI) of said first component (CI); comparing said first parameter (PI) with one or more pre-stored reference values; generating a first correction signal (SI) as a function of said comparison; sending said first correction signal (SI) to at least one preparation station adapted to prepare said first component (CI) to regulate the preparation of further components. An apparatus for controlling the laying down of components of tyres on forming drums is also described.