Laser Tablet Marking with Orientation-Based Scan Path Control
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Solution Overview
Problem
Conventional edible-body marking devices face challenges in efficiently forming marking patterns on edible bodies with varying orientations, leading to longer processing times and reduced marking quality when the orientation is reversed, as the moving distance and scanning speed need to be adjusted accordingly.
Innovation Solution
An edible-body marking device that includes a carrier device, a detection part to acquire orientation information, and a laser processing part with stored marking procedure information for different orientations, allowing for precise and swift marking by adjusting the start points and scanning paths based on the detected orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the moving speed of the tablet is increased to reduce marking formation time, then productivity is improved, but the scanning speed of laser light must be increased accordingly causing marking quality to deteriorate
Solution Approach 1:
The marking start point is dynamically changed based on the detected orientation of the tablet. When the tablet orientation is vertically reversed, the system automatically selects a different start point that allows the laser to scan in the same direction, maintaining consistent marking quality while adapting to varying tablet orientations and speeds
Solution Approach 2:
The system changes the marking procedure parameters (specifically the start point position) based on the detected tablet orientation. This parameter adjustment allows the laser scanning to maintain optimal speed and quality regardless of whether the tablet is oriented in the original or vertically reversed position
2Reliability
If the tablet moves in the opposite direction due to vertical reversal of orientation, then the moving distance during scanning becomes longer, but this causes the marking formation time to increase
Solution Approach 1:
The system performs preliminary detection of the tablet orientation before marking begins. Based on this detected orientation, it pre-determines the appropriate marking start point, ensuring that the laser scanning always proceeds in the optimal direction and eliminating the time loss that would result from longer scanning paths
Solution Approach 2:
The marking start point is dynamically adjusted according to the detected tablet orientation. When vertical reversal is detected, the system switches to a different start point configuration that maintains the same scanning direction, thereby keeping the scanning distance consistent and the marking time unchanged regardless of tablet orientation
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
Enables swift and precise laser marking on edible bodies regardless of their orientations, ensuring efficient processing time and maintaining marking quality by using pre-stored marking procedure information to adjust the marking paths.
Implementation Method 1
a laser processing part that forms a marking pattern on the edible body by using laser light
Data Source
AI summary
An edible-body marking device (1) has a carrier device (20) that carries an edible body, a detection part (210) that detects the edible body, and a laser processing part (220) that forms a marking pattern on the edible body by using laser light. The carrier device sequentially carries the edible body to the detection part (210) and the laser processing part (220). The detection part images (210) the edible body to acquire orientation information regarding an orientation of the edible body, and the laser processing part (220) has a memory part that stores in advance multiple pieces of marking procedure information regarding formation procedures of the marking pattern in association with their respectively different pieces of the orientation information, and forms the marking pattern on the edible body according to the marking procedure information extracted from the memory part based on the orientation information acquired by the detection part (210).