Laser Rod Surface Cleaning for High-Speed Screw Manufacturing
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Solution Overview
Problem
Existing methods for cleaning metallic rod materials used in screw manufacturing are inefficient, environmentally harmful, and require significant space, especially chemical cleaning methods, and do not allow immediate processing after cleaning.
Innovation Solution
A method using laser beams to clean the surface of metallic rods by directing them in a direction opposite to the rod's movement, ensuring complete coverage and using a sensor to adjust parameters based on contamination levels, with a cleaning station and screw manufacturing plant incorporating this method.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If chemical cleaning methods are used, then cleaning effectiveness is improved, but environmental harm and space requirements increase
Solution Approach 1:
The patent replaces chemical cleaning methods with a mechanical/physical laser-based cleaning system. The laser beam directly ablates contaminants from the rod material surface through ablation, eliminating the need for chemical substances and their associated environmental harm while maintaining cleaning effectiveness.
Solution Approach 2:
The patent changes the cleaning mechanism from chemical reaction to laser ablation by adjusting parameters such as laser power, pulse duration, and scanning speed. This parameter change enables effective contaminant removal through controlled material removal rather than chemical dissolution.
2Reliability
If chemical cleaning methods are used, then cleaning effectiveness is improved, but space requirements increase
Solution Approach 1:
The patent replaces space-intensive chemical cleaning equipment (tanks, spray systems, drying ovens) with a compact laser cleaning system. The laser beam can be focused to a small spot and scanned across the rod material surface, dramatically reducing the physical space required for the cleaning operation.
3Reliability
If high cleaning quality is achieved, then surface purity is improved, but processing time increases
Solution Approach 1:
The patent implements continuous laser scanning across the rod material surface while it moves through the cleaning station. The laser beam continuously ablates contaminants along the entire surface path, maintaining both high cleaning quality and high processing speed without interruption or multiple passes.
Solution Approach 2:
The patent uses dynamic control of laser parameters (power, speed, pulse frequency) that adapt to the contamination level and rod material properties. This dynamic adjustment allows optimal balance between cleaning quality and processing speed, achieving high surface purity without sacrificing productivity.
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
Achieves efficient, environmentally friendly cleaning at high speeds with minimal space requirements, allowing immediate processing of cleaned rods for further manufacturing steps.
Implementation Method 1
at least one laser beam is directed onto the surface of the rod material to be cleaned, which laser beam removes impurities present on the surface
Data Source
AI summary
The present invention relates to a method for cleaning the surface of a metallic rod material (2) extending in a longitudinal direction, in which the rod material (2) is moved in the longitudinal direction through a cleaning station (1), characterized in that in the cleaning station (1) at least one laser beam (9) is directed onto the surface of the rod material (2) to be cleaned, which laser beam (9) removes impurities present on the surface. The invention also relates to a cleaning station (1) and a screw manufacturing plant (12).