Dual-Station Laser Processing Layout for Safe Single-Operator Throughput
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Solution Overview
Problem
Existing laser processing machines in industrial automation lack efficiency, productivity, and safety for operators, particularly in tasks like paint stripping of complex items like branching boxes or metal electrical cabinets.
Innovation Solution
A semiautomatic machine with a laser processing head mounted on a 2-axis Cartesian system, controlled by a PLC microprocessor and software, featuring manual loading/unloading zones and integrated shielding for operator safety, allowing for efficient and safe processing of elements with a single operator.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual loading and unloading zones are provided for semiautomatic operation, then ease of operation is improved, but productivity is reduced compared to fully automatic systems
Solution Approach 1:
The machine is divided into distinct functional zones: a first loading/unloading zone for manual operator access and a second processing zone for automated laser operations. This spatial segmentation allows the operator to load elements without interrupting the automated processing cycle, resolving the contradiction between manual operation ease and productivity maintenance.
2Object-affected harmful factors
If shielding means are provided to protect the operator from laser radiation, then safety is improved, but device complexity increases
Solution Approach 1:
The shielding means are integrated into the housing structure of the machine, combining the protective function with the existing mechanical framework. This merging approach provides comprehensive laser radiation protection while avoiding the addition of separate, complex shielding systems.
3Ease of operation
If a single operator manages both loading and processing zones, then ease of operation is improved, but safety risks increase due to operator exposure
Solution Approach 1:
The machine separates the operator's workspace from the laser processing zone through physical shielding and spatial division. The operator remains in the first zone while the laser operates in the second zone, allowing single-operator control while minimizing exposure to harmful laser radiation.
Solution Approach 2:
The shielding means act as an intermediary barrier between the operator and the laser radiation source. This intermediate protective structure enables the operator to safely control the machine from a distance while the laser processes elements in a protected zone.
4Productivity
If multiple processing areas are provided on the housing, then productivity is improved, but device complexity increases
Solution Approach 1:
The laser processing head is designed to service multiple processing areas through reciprocating motion along the housing. This multi-functional capability allows a single laser system to handle multiple workstations, increasing productivity without proportionally increasing the number of laser sources or major system components.
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 machine achieves high productivity and safety by enabling efficient processing of complex items with reduced operator risk through controlled access and automated processing cycles, maximizing efficiency and safety.
Implementation Method 1
a laser processing head (22) for processing a plurality of elements (E) to be processed (E)
Implementation Method 2
for paint stripping mechanical pieces by means of ablative laser
Data Source
Figure 1
Figure 2~3
Figure 4~5
AI summary
A semiautomatic machine for the laser processing of elements to be processed (E), comprising at least one first and one second loading/unloading area (15, 15') of the elements to be processed (E) arranged side-by-side, at least one first and one second working area (21, 21'), at least one first and one second cradle (30, 30') for movable support between the latter and laser shielding means (40, 40'). Provided for is single laser processing head (22) reciprocatingly movable between the first and second processing areas (21, 21'). The machine further comprises control means (50).