Smart Die Monitoring for Real-Time Wire Drawing Control
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Solution Overview
Problem
Current wire drawing processes face challenges in measuring internal physical characteristics of components, leading to component failure and increased downtime, as existing monitoring systems lack internal sensors to effectively control the wire drawing process.
Innovation Solution
A wire drawing monitoring system with probes and sensors integrated into the die holder and die box to measure various properties of the wire and machine components, sending data to a control unit for real-time adjustments and improved process control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If external probes and sensors are placed on wire drawing machine components, then some monitoring capability is provided, but the system lacks internal sensors to effectively control the wire drawing process and measure internal physical characteristics
Solution Approach 1:
The patent integrates sensors and probes directly inside the die holder and die box components, nesting the monitoring system within the existing drawing die structure. This allows internal sensors to measure physical characteristics of the wire and machine components from within the drawing channel, providing comprehensive real-time data that external sensors cannot capture.
2Productivity
If wire drawing is performed with minimum downtime and tight tolerances, then production efficiency and quality improve, but system components regularly fail before expected usable life due to significant stress
Solution Approach 1:
The monitoring system performs preliminary detection of component stress, wear, and physical characteristics changes before actual failure occurs. By continuously measuring parameters such as die surface conditions, holder stress levels, and wire properties during drawing, the system enables early intervention and predictive maintenance, preventing catastrophic failures and unplanned downtime.
Solution Approach 2:
The patent implements a feedback control system where sensors provide real-time data to a control unit that monitors component health and wire drawing parameters. This feedback loop allows for immediate adjustments to drawing speed, tension, or other parameters when component stress approaches critical levels, extending component lifespan while maintaining productivity.
3Device complexity
If no internal sensors are used in the drawing die, then the system structure remains simple, but there is no clear picture of the status of various components and inability to control wire drawing parameters
Solution Approach 1:
The die holder and die box are designed to serve multiple functions: they contain the drawing channel for wire passage while simultaneously housing integrated sensors and probes. This multi-functionality allows the same structural components to perform both mechanical support and monitoring functions, adding control capability without proportionally increasing overall system complexity.
Data Source
AI summary
A drawing die system that has least two probes to measure various characteristics of components of the die box or the wire being drawn through the die box. The system includes a smart die that in which the multiple probes send information to a data processing unit. The data processing unit takes the information from the various probes and controls the various parameters of the wire drawing process. One smart die has a probe that collects information directly from a drawing die holder. The smart die also includes a force sensor and is configured to allow a die box to be displaced along an axis that is parallel to the direction in which the wire is drawn. The data processing unit controls various wired drawing parameters such as wire drawing speed, coolant pressure and the rate at which the coolant is pumped through the system.