Handheld Strapping Weld Control for Variable Thickness
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Solution Overview
Problem
Existing strapping devices struggle to automatically adjust for varying component thicknesses during friction welding, leading to improper welds due to either insufficient or excessive friction, without requiring manual modifications.
Innovation Solution
A strapping device equipped with actuators, sensors, and a data processing system that detects component thickness and adjusts mechanical aspects and welding parameters to achieve a proper weld, including a first actuator to position a grip member and a second actuator to create friction, with real-time signal processing to determine and customize the welding cycle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual adjustments are made for component thickness, then weld quality can be improved, but device complexity and operation time increase
Solution Approach 1:
The system uses sensors to automatically detect component thickness and the data processing system to autonomously determine welding parameters, eliminating the need for manual adjustment by the operator. The device serves itself by sensing and adapting to different component specifications without human intervention.
Solution Approach 2:
Manual mechanical adjustment is replaced with an automated sensing and control system. Sensors detect component thickness, and the data processing system calculates and applies appropriate welding parameters, substituting human-operated mechanical adjustment with automated electronic control.
2Manufacturing precision
If manual adjustments are made for component thickness, then weld quality can be improved, but operation time increases
Solution Approach 1:
The sensors detect component thickness in advance before the welding process begins, and the data processing system pre-determines the appropriate welding parameters. This preliminary sensing and calculation eliminates the need for time-consuming manual adjustments during the welding operation.
Solution Approach 2:
The system automatically senses component thickness and adjusts welding parameters without requiring operator intervention, significantly reducing the time needed for setup and adjustment while maintaining consistent weld quality across different component specifications.
3Device complexity
If fixed friction parameters are used, then device simplicity is maintained, but weld quality deteriorates due to insufficient or excessive friction
Solution Approach 1:
The system transitions from fixed, static welding parameters to dynamic, adaptive parameters that automatically adjust based on real-time sensor feedback about component thickness. The welding parameters become dynamic variables that change with each component rather than fixed constants.
Solution Approach 2:
Sensors provide feedback about component thickness to the data processing system, which then adjusts welding parameters accordingly. This closed-loop feedback system ensures that friction parameters are optimized for each specific component thickness, preventing both insufficient and excessive friction conditions.
4Productivity
If component thickness variations are not accounted for, then operation speed is maintained, but weld quality deteriorates
Solution Approach 1:
Manual measurement and adjustment processes are replaced with automated optical or electromagnetic sensors that instantly detect component thickness. The data processing system rapidly calculates appropriate parameters, maintaining high operation speed while ensuring consistent weld quality across varying component specifications.
Solution Approach 2:
The system automatically senses and adapts to component thickness variations without slowing down the production line. The rapid sensing and automated parameter adjustment maintain productivity while eliminating weld quality defects caused by unaccounted thickness variations.
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 ensures consistent, proper friction welding by automatically adapting to different component thicknesses, preventing under-welding or excessive friction, thus enhancing weld quality and reducing wear on the device.
Implementation Method 1
a sensor to detect an electrical characteristic of the first actuator and transmit a signal indicative of the electrical characteristic
Implementation Method 2
a second actuator to move a portion of the welding component... to initiate a welding cycle to friction weld the welding component
Data Source
AI summary
Strapping devices and methods are provided. The strapping device can include a member. The strapping device can include a first actuator coupled with the member to move the member between a first position and a second position. The strapping device can include a sensor to detect an electrical characteristic of the first actuator and to transmit a signal indicative of the electrical characteristic. The strapping device can include a data processing system. The data processing system can receive the signal and determine the member is in contact with a welding component based on the electrical characteristic. The data processing system can determine the second position of the member based on the member being in contact with the welding component. The data processing system can transmit a control signal to the first actuator and a second actuator to initiate a welding cycle with the member at the second position.