Solder Sleeve Installation Using Dimensional Melt Detection
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Solution Overview
Problem
The manual installation of solder sleeves on shielded cables is inefficient due to variability in melt times and temperatures, requiring constant operator monitoring and limiting production capacity.
Innovation Solution
An automated system with conveyor belts, robotic end effectors, and dimensional analysis using laser scan micrometers to monitor and control the melting process, ensuring consistent sleeve installation across different materials and temperatures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual monitoring of solder sleeve melting is performed by operators, then the melting process can be controlled, but operator attention is required and productivity decreases
Solution Approach 1:
The system uses optical sensors to automatically detect when the solder sleeve has fully melted and shrunk onto the cable, eliminating the need for manual operator monitoring. The sensor system self-monitors the melting process and automatically signals completion, allowing the system to serve itself rather than requiring external human observation.
Solution Approach 2:
The patent implements a feedback mechanism where optical sensors continuously monitor the solder sleeve during melting, detect dimensional changes, and provide real-time information about melting progress. This feedback loop allows the system to automatically determine when melting is complete without operator intervention, resolving the contradiction between reliable monitoring and operator availability.
2Productivity
If standardized melt times are implemented, then production efficiency increases, but material variability makes standardization difficult
Solution Approach 1:
Instead of relying on fixed time parameters for melting, the system uses optical sensors to detect actual dimensional changes in the solder sleeve during the melting process. This shifts the control parameter from time-based to measurement-based, allowing the system to adapt to material variations while maintaining consistent quality outcomes.
Solution Approach 2:
The system dynamically adjusts the melting process monitoring based on real-time sensor feedback rather than following a predetermined static timeline. The optical sensors continuously measure the solder sleeve's dimensional changes, allowing the process to adapt dynamically to material variations and determine completion based on actual physical state rather than elapsed time.
3Loss of time
If faster melting is performed, then cycle time decreases, but the risk of burning the sleeve increases
Solution Approach 1:
The optical sensors provide continuous feedback during the melting process, allowing real-time monitoring of the solder sleeve's dimensional changes. This feedback enables the system to detect the exact moment when melting is complete and immediately stop heating, preventing overheating and burning while maintaining fast cycle times.
Solution Approach 2:
The patent replaces manual visual inspection with an automated optical sensing system that objectively measures dimensional changes during melting. This substitution eliminates the delays and subjectivity of human monitoring while providing precise, real-time detection of melting completion, enabling faster and safer processing.
4Productivity
If automated systems are implemented, then productivity increases, but system complexity increases
Solution Approach 1:
The patent replaces complex manual operations with a relatively simple automated optical sensing system. The sensor-based detection method uses non-contact optical measurement, which adds minimal mechanical complexity compared to physical measurement devices, while significantly improving productivity through automation.
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 automated system significantly increases production efficiency by allowing unattended operation, reducing cycle times, and ensuring consistent sleeve installation quality, thereby improving the overall processing capacity and reducing human error.
Implementation Method 1
dimensional analysis using laser scan micrometers
Implementation Method 2
the solder sleeve is heated, causing the thermoplastic material to shrink and the central solder ring to melt
Implementation Method 3
the thermoplastic material to shrink
Data Source
Figure 1
Figure 2A~3
Figure 4A
AI summary
An apparatus that melts and monitors sleeves (12) for installation onto shielded cables (10). The apparatus includes a heat source (174) for melting the sleeve, cable supports (122a, 122b) for supporting the cable during the melting process, a sensor system (124) that is configured to measure a dimension of the sleeve during melting, and a computer (162) that is connected to receive sensor data from the sensor system and send heater control signals to the heat source. The computer is configured to receive dimensional data from the sensor system, monitor that dimensional data by performing a dimensional analysis, and then deactivate or remove the heat source in response to dimensional analysis results indicating that the sleeve is fully melted (in the case of a solder sleeve) or only fully shrunken (in the case of a dead end sleeve) onto the cable.