Laser Processing Focus Control With Automatic Material Detection
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Solution Overview
Problem
The challenge of providing laser processing equipment with a higher degree of automation has become increasingly important as the market scope expands, necessitating improved automation and operator experience.
Innovation Solution
The laser processing equipment includes a laser module with a focusing lens and zoom driving module, a motion axis drive module, a thickness detection module, an upper computer, and a lower computer, which automatically identifies the material and thickness of the base material, determining suitable processing parameters without manual input, thereby enhancing automation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If manual material input and parameter selection are required, then device complexity is reduced, but extent of automation deteriorates
Solution Approach 1:
The system performs self-identification of material type and thickness through integrated detection modules, automatically generates processing parameters without operator intervention, and executes processing tasks autonomously, enabling the equipment to serve itself in the material identification and parameter determination process
Solution Approach 2:
Manual mechanical operations for material measurement and parameter setting are replaced by optical detection modules and automated control systems. The thickness detection module uses optical principles to measure material thickness, while the control system automatically converts detection data into processing parameters, substituting manual mechanical processes with automated optical and electronic systems
2Extent of automation
If automated material identification and parameter determination are implemented, then extent of automation is improved, but device complexity increases
Solution Approach 1:
The control system serves multiple functions: it controls the laser module for processing, manages the motion axis drive module for positioning, operates the zoom driving module for focal adjustment, and integrates data from the thickness detection module. This multi-functionality reduces the need for separate dedicated systems for each function
Solution Approach 2:
The patent combines the thickness detection module, material identification system, parameter generation algorithm, and processing control functions into an integrated system. The control system merges data acquisition, analysis, and execution functions into a unified automated workflow, reducing overall system complexity through functional integration
3Manufacturing precision
If manual parameter input is required, then measurement precision requirements are reduced, but manufacturing precision deteriorates
Solution Approach 1:
The thickness detection module provides real-time feedback on material thickness and properties to the control system. The control system uses this feedback data to automatically adjust and determine optimal processing parameters, creating a closed-loop system where detection results directly inform processing decisions, ensuring high processing accuracy based on actual material conditions
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 equipment achieves intelligent and automated laser processing by automatically identifying materials and thickness, ensuring suitable parameters are applied, reducing the risk of errors and improving processing accuracy and efficiency.
Implementation Method 1
a laser light source module, a focusing lens and a zoom driving module, the laser light source module is configured to emit a laser beam
Implementation Method 2
the focusing lens is located on a light path of the laser beam, the zoom driving module is configured to drive the focusing lens to move to change a focal spot position and/or a beam angle of the laser beam
Data Source
AI summary
Laser processing equipment is provided. The laser processing equipment includes a laser module, a motion axis drive module, a thickness detection module, an upper computer and a lower computer. The laser module includes a laser light source module, a focusing lens and a zoom driving module, the laser light source module is configured to emit a laser beam, and the zoom driving module is configured to drive the focusing lens to move. The motion axis drive module is configured to drive the laser module to move. The thickness detection module is configured to collect thickness information of a base material to be processed. The upper computer generates a file to be processed based on the material information, the thickness information and a pattern mode to be processed. The lower computer is configured to control laser power, a zoom parameter and a motion axis parameter based on the file.