Sensor-Guided Cutting for Constant Remaining Wall Thickness
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Solution Overview
Problem
Current methods for introducing a weakened area into instrument panels or similar components are inefficient and lack precise control over remaining wall thickness, leading to increased costs and reduced quality in processing thick-walled or complex workpieces.
Innovation Solution
A cutting device equipped with a 6-axis robot arm, a measuring station for determining tool wear and remaining wall thickness, and a control device that maintains constant wall thickness during machining, allowing for precise processing and reduced acquisition costs by enabling one-step machining of thick-walled and complex workpieces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional cutting methods are used for thick-walled workpieces, then multiple processing steps are required, but this increases acquisition costs and reduces productivity
Solution Approach 1:
The patent combines multiple processing steps (cutting and cleaning) into a single integrated cutting unit. The cutting device includes both a cutting tool and a cleaning device with compressed air supply that can operate simultaneously or sequentially without requiring separate machines, thereby reducing acquisition costs while maintaining processing capability for thick-walled workpieces.
Solution Approach 2:
The cutting unit is designed with multi-functionality, accommodating various cutting tools (milling tools, oscillating blades, scrapers, lasers) and integrating a cleaning function within the same device. This universal design allows the single apparatus to handle diverse machining tasks and chip extraction, improving productivity without requiring multiple specialized devices.
2Manufacturing precision
If conventional cutting methods are used for complex workpieces, then machining quality is compromised, but using advanced methods increases device complexity
Solution Approach 1:
The patent incorporates a measuring sensor that detects the distance between the cutting tool and the workpiece surface in real-time. This feedback information is used by the control device to dynamically adjust the cutting unit's position and maintain a constant cutting depth, ensuring high machining quality for complex workpiece geometries without requiring overly complex manual intervention.
Solution Approach 2:
The patent replaces manual mechanical positioning with an automated control system that uses optical or electromagnetic measuring sensors. The control device processes sensor data and automatically adjusts the cutting unit's movement, substituting complex manual mechanical operations with a streamlined automated system that maintains precision while reducing operational complexity.
3Manufacturing precision
If remaining wall thickness is not precisely controlled, then quality requirements are not met, but implementing control increases device complexity
Solution Approach 1:
The measuring sensor continuously monitors the distance between the cutting tool and the workpiece surface, providing real-time feedback on the remaining wall thickness. The control device uses this feedback to automatically adjust the cutting depth and maintain constant wall thickness throughout the machining process, achieving precise control without requiring complex manual measurement and adjustment procedures.
Solution Approach 2:
The control system performs self-adjustment based on measuring sensor feedback, automatically maintaining the desired remaining wall thickness without requiring external intervention. The system monitors and corrects its own positioning and cutting depth in real-time, enabling precise wall thickness control while keeping the control architecture relatively simple and self-contained.
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 cutting device ensures high-quality machining with reduced costs by maintaining consistent wall thickness and accommodating various tools, enabling efficient processing of thick-walled and complex workpieces with improved precision and flexibility.
Implementation Method 1
a distance measuring sensor (12) configured to determine a distance (Am) to the measuring plate (20a)
Implementation Method 2
The movement of the cutting unit (10) is controlled in such a way that a constant distance is maintained between a tip of a cutting device (15) held by the cutting unit (10) and a surface of the workpiece (W)
Implementation Method 3
The cutting device (1) can be used to machine relatively thick-walled and/or complex workpieces with high quality
Data Source
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AI summary
The invention relates to a cutting apparatus having: a cutting unit (10), the cutting unit (10) having a holding device (14), for holding a cutting device (15), and a distance-measuring sensor (12); and a measurement plate (20a). The distance-measuring sensor (12) can determine a distance from the measurement plate (20a), and the cutting unit (10) can be moved using a control cam, taking into account the distance from the measurement plate (20a) as determined by the distance-measuring sensor (12).