Modular Weld Cleaning Device with Segmented Conductive Brush
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Solution Overview
Problem
Existing weld cleaning systems require higher currents for MIG welds, leading to faster wear of carbon fiber brushes and increased replacement costs, which is problematic due to the expense of these brushes.
Innovation Solution
A weld cleaning device with an adjustable and modular bristles pad support system that allows for varying lengths, separable sections, and fluid/electrical connections, enabling efficient cleaning of MIG welds with reduced brush wear by distributing current effectively across multiple brushes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If higher current is used to clean MIG welds, then cleaning effectiveness is improved, but brush wear increases and replacement frequency increases
Solution Approach 1:
The bristles pad is divided into multiple modular sections that can be independently replaced. When one section wears out from high current exposure, only that specific section needs replacement rather than the entire brush assembly, thereby extending the overall system lifespan while maintaining effective cleaning performance.
Solution Approach 2:
The modular brush sections that have worn out can be discarded and replaced with fresh sections. The support structure and other non-consumable components are recovered and reused, reducing waste and replacement costs while maintaining cleaning effectiveness.
2Reliability
If higher current is used to clean MIG welds, then cleaning effectiveness is improved, but replacement cost increases
Solution Approach 1:
By segmenting the brush into replaceable sections, the cost of replacement is distributed over time. Users only replace the worn sections rather than entire expensive brushes, reducing the average replacement cost while maintaining the high current needed for effective MIG weld cleaning.
Solution Approach 2:
The brush bristle sections are designed as disposable consumables that can be easily replaced. While individual sections are relatively inexpensive compared to complete brush assemblies, their modular nature allows cost-effective replacement without investing in expensive durable brush systems that cannot handle high current demands.
3Device complexity
If brush length is fixed, then device structure is simple, but adaptability to different weld configurations is limited
Solution Approach 1:
The bristles pad support is designed with separable sections that can be independently adjusted or removed. This segmentation allows the overall length and configuration of the brush assembly to be customized for different weld types and access requirements, while keeping each individual section structurally simple and easy to manufacture.
Solution Approach 2:
The modular support structure allows dynamic adjustment of brush length and configuration based on specific welding applications. Users can assemble or disassemble sections to adapt the device to various weld configurations, transforming a static fixed-length brush into a dynamic adaptable tool without significantly increasing structural complexity.
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 device extends the lifespan of carbon fiber brushes by allowing for adjustable and modular use, reducing replacement frequency and costs while maintaining effective cleaning performance.
Implementation Method 1
When the carbon fiber tipped brush with the electric current and electrolyte solution is applied to the welded area affected by heat tint, an electrochemical cleaning of welded area occurs.
Implementation Method 2
a bristles pad, the bristles pad being electrically conductive to deliver electrical current to a weld to be cleaned when the bristles pad is in physical contact with the weld
Data Source
AI summary
A device for cleaning welds. The device comprises a bristles pad, the bristles pad being electrically conductive to deliver electrical current to a weld to be cleaned when the bristles pad is in physical contact with the weld. The device further includes a bristles pad support, the bristles pad support including an elongated body receiving the bristles pad and extending along the bristles pad, the elongated body including a first section and a second section attached to each other, the first section being separable from the second section to reduce a length of the bristles pad support.