RFID Tool Detection for Sheet Metal Machine Setup Control

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Solution Overview

Problem

Existing sheet metal processing machines face inefficiencies and suboptimal results due to the reliance on operator experience for selecting and maintaining tools, leading to inefficient processes and potential misuse of resources.

Innovation Solution

Integration of RFID technology to detect and track sheet metal processing agents, allowing for automated data collection and machine system control based on equipment information, optimizing tool usage and reducing operator dependency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If operator experience is used for selecting and maintaining tools, then flexibility and adaptability are maintained, but processing efficiency and consistency deteriorate

Engineering Contradiction:
Improveprocessing efficiencyVSAvoidautomation level
Core Design Contradiction:
ProductivityVSExtent of automation

Solution Approach 1:

The system enables self-service operation through RFID-based automatic tool identification and data retrieval. The machine automatically reads the RFID transponder, retrieves tool-specific parameters from the database, and configures processing settings without operator intervention, allowing inexperienced operators to use the machine effectively

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces manual operator judgment and mechanical tool selection with an automated electronic system. The RFID reader, evaluation unit, and machine interface substitute for human experience-based decision-making, automatically identifying tools and retrieving optimal processing parameters from a database

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Productivity

If RFID detection system is implemented, then processing efficiency and quality are improved, but device complexity increases

Engineering Contradiction:
Improveprocessing efficiencyVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The RFID transponder serves multiple functions: it stores tool identification data, processing parameters, and maintenance information. This single component replaces multiple separate systems for tool identification, parameter storage, and maintenance tracking, reducing overall system complexity despite adding RFID functionality

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The database acts as an intermediary between the RFID reader and the machine control system. Instead of direct complex communication between all components, the database stores and retrieves tool-specific data, simplifying the interaction between the RFID detection system and machine control

Inventive Principle:
Principle #24Intermediary (Mediator)

3Ease of operation

If automated RFID-based tool detection is used, then dependency on operator experience is reduced, but initial setup and system complexity increase

Engineering Contradiction:
Improveoperator dependencyVSAvoidsystem setup complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

Tool parameters, processing settings, and maintenance information are pre-stored in the RFID transponder and database before the actual processing operation. This preliminary preparation eliminates the need for operators to manually configure settings during operation, reducing operational complexity and dependency on experience

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentEP4417362A1Device and method for detecting a sheet metal working means in a sheet metal working machine
Publication Date: 2024.08.21 ARKU MASCHENBAU
  • EP4417362A1 patent drawingFigure 1~2
  • EP4417362A1 patent drawingFigure 3~4
  • EP4417362A1 patent drawingFigure 5

AI summary

The present invention relates to a device (16) for detecting a sheet metal working tool (24a, 24b, 24c) in a sheet metal working machine (14), comprising: an RFID unit (36) for receiving a read signal from an RFID reader (18) containing information about an RFID transponder (30a, 30b, 30c) on a sheet metal working tool at a sheet metal working station (20a, 20b, 20c) in the sheet metal working machine; an evaluation unit (38) for determining sheet metal working tool data containing information about the sheet metal working tool based on the read signal; and a machine interface (40) for controlling a machine system (26) of the sheet metal working machine based on the sheet metal working tool data. The present invention further relates to a system (10), a sheet metal working tool, a method, and a computer program product.