Instrumented FSW Tool With Multi-Sensor Feedback and Cooling Fins
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Solution Overview
Problem
Friction stir welding (FSW) processes lack real-time monitoring and control of pressure, temperature, and torque, which are crucial for optimizing the welding process and ensuring consistent quality.
Innovation Solution
Integration of a FSW tool with a body featuring cooling fins, a pressure sensor, a temperature sensor, a torque sensor, and a communication node that transmits data to a computing device via Bluetooth, enabling real-time monitoring and control using a PID controller to adjust welding parameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional FSW process is used without sensors, then the device complexity is low, but the manufacturing precision and process control are insufficient
Solution Approach 1:
The patent combines multiple sensing functions (pressure, temperature, torque) and communication capabilities into the FSW tool body, creating an integrated instrumented tool that simultaneously performs welding and data collection without requiring separate monitoring systems
Solution Approach 2:
The FSW tool is designed to perform multiple functions: the original welding function plus sensing functions (pressure sensor, temperature sensor, torque sensor) and wireless communication function, making it a multi-functional instrumented tool that eliminates the need for separate measurement devices
2Measurement precision
If real-time monitoring with multiple sensors is integrated, then the measurement precision and process control improve, but the device complexity increases
Solution Approach 1:
Multiple sensors (pressure, temperature, torque) and a communication node are integrated within the FSW tool body, combining multiple measurement and communication functions into a single compact instrumented tool structure
Solution Approach 2:
The communication node acts as an intermediary that collects data from all sensors and transmits it wirelessly to external systems, simplifying the data acquisition architecture and reducing the complexity of direct connections to multiple sensors
3Temperature
If cooling fins are added to the tool body, then the temperature control improves, but the device complexity increases
Solution Approach 1:
The cooling fins utilize thermal conduction and convection principles to dissipate heat from the FSW tool body, passively managing temperature through structural design rather than active cooling systems
Solution Approach 2:
The cooling fins provide passive heat dissipation through their structural design, allowing the tool to self-regulate temperature without requiring external cooling systems or additional control mechanisms
4Loss of information
If wireless communication node is integrated, then the information loss is reduced, but the device complexity and energy consumption increase
Solution Approach 1:
The patent replaces wired mechanical connections with wireless Bluetooth communication, eliminating the need for physical data transmission cables and reducing the complexity of data acquisition system integration
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
Enhances the precision and efficiency of the FSW process by allowing for immediate adjustments based on measured pressure, temperature, and torque, leading to improved weld quality and consistency.
Implementation Method 1
The body may include a plurality of cooling fins
Implementation Method 2
The body may include a plurality of cooling fins
Implementation Method 3
measuring pressure on a head of a friction stir welding tool using a pressure sensor
Implementation Method 4
measuring temperature of a body of the friction stir welding tool
Implementation Method 5
measuring torque of the friction stir welding tool using a torque sensor
Implementation Method 6
The communication node may be in Bluetooth communication with a computing device
Data Source
AI summary
A friction stir welding (FSW) tool includes a head, a tool holder and a body between the head and the tool holder and attached to the head and the tool holder. The body may include a plurality of cooling fins. An interior of the body may include a pressure sensor, a temperature sensor, a torque sensor, and a communication node in electronic communication with the pressure sensor, the temperature sensor, and the torque sensor. The communication node may be in Bluetooth communication with a computing device.