Laser Cutting Parameterization Using a Deterministic Process Model
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Solution Overview
Problem
Current laser machining tools require extensive empirical knowledge and are not reproducible or scalable, as they rely on trial-and-error methods to set parameters for achieving desired machining results, leading to inefficiencies and errors in quality control.
Innovation Solution
A deterministic process model that calculates and adjusts machining parameters based on physical relationships between parameter sets, process characteristics, and machining results, using coupled conservation equations to predict and improve machining outcomes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If empirical knowledge and trial-and-error methods are used to set machining parameters, then the desired machining result can be achieved, but the method is time-consuming and not reproducible
Solution Approach 1:
The patent transforms the empirical parameter-setting process into a systematic parameter optimization process by establishing mathematical relationships between machining parameters (power, speed, focus position) and quality metrics. The system uses parameter sensitivity analysis and optimization algorithms to automatically determine optimal parameter combinations, replacing trial-and-error with calculated parameter sets that can be reproduced across different materials and machines.
Solution Approach 2:
The patent replaces the manual empirical method (mechanical/knowledge-based system) with an automated computational system. The expert system uses databases, algorithms, and software to automatically calculate optimal parameters, substituting human expertise with a reproducible computational framework that eliminates variability and reduces time consumption.
2Manufacturing precision
If multiple iterations of test runs are performed to determine setting parameters, then the desired machining result can be achieved, but the method is not scalable
Solution Approach 1:
The patent performs preliminary parameter optimization through computational analysis before actual machining begins. The system pre-calculates optimal parameter sets based on material properties and machining requirements, storing them in databases for immediate retrieval. This eliminates the need for repeated test runs during production, enabling scalable implementation across multiple workpieces and machines.
Solution Approach 2:
The patent creates a digital model (virtual copy) of the machining process that can be simulated and optimized without physical trial-and-error. The system stores optimized parameter sets and process models that can be copied and applied to identical or similar machining tasks, enabling rapid scaling without repeating the optimization process for each new workpiece.
3Manufacturing precision
If extensive empirical knowledge is required to set parameters, then the desired machining result can be achieved, but the operation is complex and error-prone
Solution Approach 1:
The patent enables the system to serve itself by automatically determining optimal machining parameters without requiring operator expertise. The expert system autonomously queries databases, analyzes material properties, calculates optimal parameters using embedded algorithms, and generates machining instructions. This self-service capability eliminates the need for operators to possess extensive empirical knowledge while maintaining high machining quality.
Solution Approach 2:
The patent introduces an expert system as an intermediary between the operator and the machining process. This intermediary handles the complex parameter optimization tasks by accessing databases, performing calculations, and providing optimized parameter recommendations. The operator simply needs to input basic requirements, and the expert system bridges the gap by translating these into precise machining parameters, reducing operational complexity and errors.
Data Source
AI summary
A high current contact is disclosed having a contact pin for insertion into the high-current socket having a plurality of contact segments that are slotted in a radial direction for contacting an inner contact surface of the high-current socket; a guide sleeve surrounding the contact pin, which, by means of an at least central front pressing against the high-current socket relative to the contact pin in an axial direction from an initial position, in which the guide sleeve blocks an independent radial spreading of the contact segments in order to avoid a contact between the contacts segments protruding axially from the guide sleeve and the inner contact surface, is movable into a contact position that is set back with respect to the contact pin and in which the guide sleeve unblocks an independent radial spreading of the contact segments protruding from the guide sleeve for contacting the inner contact surface.