Digital Creel Tension Control with Pneumatic Feedback
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Solution Overview
Problem
Conventional creel systems lack real-time measurement and automatic adjustment of wire tension, leading to potential wire breakage and inefficient production processes.
Innovation Solution
A digital creel system with integrated sensors and a central control system that monitors wire tension, detects loose wires, and automatically adjusts air pressure to maintain optimal tension, incorporating features like servo valve operated air pressure control, loose wire detection, shifting platform control, and tension monitoring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional creel systems are used without real-time measurement, then device complexity is reduced, but wire tension control precision deteriorates leading to wire breakage
Solution Approach 1:
The patent implements a feedback control system where sensors continuously measure wire tension and breakage status, and the central control system automatically adjusts air pressure to maintain optimal tension. This closed-loop feedback mechanism resolves the contradiction by providing precise tension control through real-time measurement and automatic adjustment, rather than relying on manual intervention.
Solution Approach 2:
The patent replaces manual mechanical tension adjustment with an automated pneumatic control system. Instead of operators manually adjusting mechanical components, the system uses air pressure control actuated by a central control system based on sensor feedback, substituting mechanical manual operation with automated pneumatic-mechanical integration.
2Productivity
If conventional creel systems without automatic adjustment are used, then ease of operation is improved, but productivity deteriorates due to production shutdowns
Solution Approach 1:
The patent implements a self-service system where the creel system automatically monitors its own operation through sensors and autonomously adjusts wire tension through the central control system and air pressure control. The system detects loose or broken wires automatically and takes corrective action without operator intervention, enabling continuous operation and eliminating production shutdowns.
Solution Approach 2:
The continuous feedback loop from sensors to the central control system enables real-time detection of tension issues and automatic correction, allowing the system to maintain optimal operation without manual monitoring. This feedback mechanism resolves the contradiction by automating the monitoring and adjustment tasks, improving productivity while maintaining ease of operation through automatic control.
3Reliability
If real-time tension measurement and automatic adjustment are implemented, then wire breakage is reduced, but device complexity increases
Solution Approach 1:
The patent implements a multi-functional central control system that integrates multiple functions: receiving data from multiple sensors, processing tension and breakage information, controlling air pressure actuators, and monitoring system status. This universal control system resolves the contradiction by consolidating multiple control functions into a single integrated unit, reducing overall system complexity while maintaining comprehensive wire tension control and reliability.
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
Enables real-time optimization of wire tension, reduces wire breakage, and enhances production efficiency by providing precise control and feedback to operators.
Implementation Method 1
a brake shoe that is engageable with a spindle
Implementation Method 2
an air pressure control system operatively connected to each of the tension controller apparatuses and actuatable to move the brake shoe towards the spindle
Data Source
AI summary
A creel system includes a plurality of tension controller apparatuses that hold spools of wire. The tension controller apparatuses apply tension to the wire and may be manipulated to fine-tune or control the tension applied to the wire. The creel system may further include a plurality of sensors that measure operation of the creel system as well as the condition of the wire. In such embodiments, the creel system may include a user-interface that provides data to the operator in real time and with which the operator may interact to control operation of the creel system.