Machine Tool Data Exchange for Automated Tool Identification
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Solution Overview
Problem
Current tool data management in machine tools is inefficient due to the lack of standardized data formats and APIs, leading to manual intervention and errors in tool acquisition and usage, which hinders automation and precision in manufacturing processes.
Innovation Solution
A method for processing tool data on machine tools with a data interface connected to a tool management system, allowing for automated retrieval of unique tool identifiers and data, enabling direct access to current tool information for efficient production processes, using standardized formats like OPC UA for seamless communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If manual intervention is used for tool data input, then operator control is maintained, but automation is hindered and errors increase
Solution Approach 1:
The system enables self-service automation where the machine tool controller automatically retrieves tool data from the tool management system using the WID, eliminating the need for manual operator intervention. The controller independently performs data acquisition, validation, and processing, thereby reducing errors while increasing automation.
Solution Approach 2:
The patent replaces manual mechanical data entry operations with an automated electronic data retrieval system. The controller uses digital communication protocols to automatically fetch tool data from the tool management system, substituting human operators with an automated information exchange mechanism that reduces errors and improves efficiency.
2Extent of automation
If standardized data formats and APIs are implemented, then automation is enabled, but device complexity increases
Solution Approach 1:
The patent implements a universal data interface based on standardized formats like OPC UA that enables the controller to communicate with multiple tool management systems and presetting devices from different manufacturers through a single standardized protocol. This multi-functional interface reduces overall system complexity by eliminating the need for multiple proprietary connections.
Solution Approach 2:
The standardized data interface acts as an intermediary layer between the controller and various tool management systems. This mediator translates diverse data formats into a common standardized format, simplifying the communication architecture while enabling automated data retrieval without requiring complex point-to-point integrations.
3Loss of time
If automated tool data retrieval is implemented, then waiting times are reduced, but data interface requirements increase
Solution Approach 1:
The system performs preliminary actions by automatically retrieving tool data from the tool management system as soon as the WID is acquired, before the actual tool mounting process. This advance data acquisition eliminates waiting times during tool setup by ensuring all necessary tool information is already available in the controller when the tool is mounted.
Solution Approach 2:
The automated data retrieval system maintains continuous operation by immediately fetching tool data upon receiving the WID, without interrupting the machining process. The controller continuously monitors for tool changes and automatically initiates data retrieval, ensuring uninterrupted production flow and minimizing idle waiting time.
Data Source
AI summary
A method for processing tool data on a machine tool having a data interface for connection to a tool management system and an associated control device and computer program product. The method comprises the steps of: acquiring a unique tool identifier, WID, of a tool to be picked up; matching the acquired WID with previously known tool identification data of the machine tool; if it is determined that the tool to be picked up is not yet known and/or updated tool data for the WID are available: automatically, via the data interface, retrieving tool data directly from the tool management system based on the acquired WID or automatically retrieving the tool data directly from the tool to be picked up; determining a loading location for the tool to be picked up based on the retrieved tool data and preferably, picking up the tool at the determined loading location.