Composite Wire Cleaning Package for High-Speed Zinc Coating Control
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Solution Overview
Problem
Existing wire galvanization processes face challenges in achieving a uniform and brilliant zinc coating at high speeds while maintaining quality, with conventional cleaning packages having limited durability and speed, and often using hazardous materials like asbestos.
Innovation Solution
The development of a cleaning package system using fiber glass and aramid fibers, combined with thermoplastic and elastomeric layers, which allows for high-speed processing of wires at 250 meters per minute, precise control of zinc coating, and extended durability of 6 to 10 hours without the need for cooling fluids or asbestos, ensuring a smooth and imperfection-free finish.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If conventional cleaning packages are used, then the wire can be cleaned of excess zinc, but the production speed is limited to less than 40 meters per minute
Solution Approach 1:
The cleaning package uses a composite structure combining fiber glass and aramid fibers. The fiber glass provides structural integrity and heat resistance, while the aramid fibers provide friction resistance and durability. This composite material enables the package to withstand the mechanical and thermal stresses of high-speed wire cleaning (250 meters per minute) while maintaining effective zinc removal capability.
2Duration of action of stationary object
If conventional cleaning packages are used, then the wire cleaning function is provided, but the package durability is only up to 2 hours requiring frequent changes
Solution Approach 1:
The combination of fiber glass and aramid fibers creates a package that resists both thermal degradation and mechanical wear. The fiber glass matrix provides thermal stability at operating temperatures above 250°C, while the aramid fibers maintain tensile strength and friction resistance over extended periods. This composite construction enables continuous operation for 6-10 hours without package failure or performance degradation.
Solution Approach 2:
The package design incorporates materials and structural parameters optimized for high-temperature friction environments. The composite structure maintains its mechanical properties at temperatures above 250°C, allowing the package to endure thermal shocks and continuous friction at high wire speeds without degradation of cleaning effectiveness or structural integrity.
3Device complexity
If conventional cleaning packages are used, then the wire can be cleaned, but cooling fluids must be applied to the housings which adds complexity
Solution Approach 1:
The cleaning package materials themselves provide the cooling function through their inherent thermal properties. The fiber glass and aramid fiber composite structure can withstand and dissipate heat without requiring external cooling systems. The package absorbs and manages the thermal load generated during high-speed wire cleaning through its material composition, eliminating the need for separate cooling fluid delivery systems, pumps, and associated control mechanisms.
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
This solution enables high-speed, high-quality wire galvanization with improved zinc coating control, increased production time, and safety by eliminating asbestos, significantly enhancing productivity and reducing production halts.
Implementation Method 1
the cleaning packages of the present invention allow avoiding the use of cooling fluid to the housings of the package; that is, cooling fluid to cool the housings in which the pair of packages are present is dispensed of. Therefore the cleaning packages are submitted to strong temperature changes, since they must support the outgoing temperature of the coated wires which have been cooled off after the tub immersion, as well as the friction between the wire and said packages, therefore, the cleaning package must bear temperatures of more than about 250° C., and likewise support the cooling of the wire, which passes in between the cleaning packages, producing thermal shocks in the cleaning package which many materials do not withhold.
Implementation Method 2
A cleaning package system utilizing a combination of fiber glass and aramid fibers, with thermoplastic and elastomeric layers, and mineral lubricants, designed to handle high temperatures and friction
Data Source
AI summary
A cleaning package for wires, method and system comprising said cleaning package, the package comprising a fiber-glass core, a synthetic fiber coating layer surrounding the fiber-glass core and interlaced with said fiber-glass core, and a coating layer surrounding, at least in part, the synthetic fiber coating layer, wherein the coating layer is a thermoplastic layer. The cooled-off galvanized wire is passed in between the at least two cleaning packages at a speed of up to 250 meters per second, while lasting up to eight hours.