Acoustic Wear Monitoring in Pipe Buffers for Leak Prevention
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In semiconductor fabrication facilities, fluid-transporting pipes often sag and rub against support plates, leading to friction-induced wear and leakage, which can result in fluid exposure and electronic component shorts, compromising integrated circuit fabrication.
Innovation Solution
A buffer system is employed to elevate and support fluid-transporting pipes, utilizing a low-friction material and rollers to reduce contact with the support plate, along with an acoustic sensor to monitor roller wear and alert operators when replacement is necessary.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the pipe is supported directly on the support plate, then the structure is simple, but the pipe suffers from friction-induced wear and leakage
Solution Approach 1:
A buffer is introduced as an intermediary component between the pipe and the support plate. The buffer includes a low-friction material that reduces contact friction between the pipe and support plate, thereby preventing friction-induced wear and leakage while maintaining structural simplicity
Solution Approach 2:
The buffer incorporates a roller that can rotate, transforming the static support structure into a dynamic one. The roller reduces friction by rolling contact instead of sliding contact, allowing the pipe to move smoothly along the support plate without wear
2Reliability
If the pipe is elevated using a buffer with low-friction material, then friction-induced wear is reduced, but the device complexity increases
Solution Approach 1:
The buffer acts as a mediator between the pipe and support plate, using low-friction material to reduce wear while maintaining structural simplicity through a compact design that integrates the buffer, roller, and support elements into a single unit
3Loss of time
If acoustic sensors are added to monitor roller wear, then maintenance timing is optimized, but the device complexity increases
Solution Approach 1:
Acoustic sensors are implemented to provide real-time feedback on roller wear conditions by monitoring acoustic emissions. When wear reaches a critical threshold, the system generates alerts for maintenance, optimizing maintenance timing and reducing downtime while maintaining relatively simple system architecture
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 buffer system increases the durability of pipes by reducing friction-induced wear, preventing leaks, and minimizing downtime by allowing timely replacement of worn components, thus ensuring safer and more reliable semiconductor processing.
Implementation Method 1
one or more rollers on the second side of the base adapted to reduce the friction between the buffer and the support plate
Implementation Method 2
detecting acoustic waves generated by the roller on the support plate
Data Source
AI summary
A method of monitoring wear of a buffer includes holding a pipe for transporting a fluid and an electrical cable using a buffer placed on a support plate. The buffer includes a base, a plurality of fingers, and a roller contacting the support plate. The plurality of fingers includes a first finger, a second finger, and a third finger. The first finger and the second finger define a first cavity for receiving the pipe, and the second finger and the third finger defines a second cavity for receiving the electrical cable. The method includes detecting acoustic waves generated by the roller on the support plate. The method further includes analyzing changes in frequencies of the acoustic waves to determine an extent of the wear of the roller over time. The method includes triggering an alert when an increase in the frequencies of the acoustic waves exceeds a pre-determined threshold value.