Machine Tool Magazine Control for Abnormal Tool Collection Priority
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Solution Overview
Problem
Machine tools face challenges when a tool in an abnormal state is present, as they cannot proceed with workpiece machining unless a substitutable tool of the same type in a normal state is available. This leads to the need for determining a collection priority for tools based on the presence or absence of substitutable tools.
Innovation Solution
The machine tool includes a control unit that acquires tool information, determining a collection candidate tool as a tool in an abnormal state for which a tool of the same type in a normal state is not present in the magazine. The control unit then executes processing to move this collection candidate tool to a predetermined position, ensuring appropriate prioritization for tool replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the machine tool uses a tool in an abnormal state for machining, then the machining can continue without interruption, but the quality and reliability of machining deteriorates
Solution Approach 1:
The control unit proactively identifies tools in abnormal states before they cause machining failures and determines their collection priority in advance. By performing preliminary assessment and ranking of tools based on their abnormal state severity and substitutability, the system prepares replacement strategies before actual machining problems occur, thus maintaining both productivity and reliability
2Reliability
If the machine tool stops machining to replace a tool in abnormal state, then the machining quality is maintained, but the productivity decreases
Solution Approach 1:
The system performs preliminary identification and priority ranking of tools in abnormal states before machining interruptions occur. By determining collection priorities in advance based on tool condition assessment, the system can plan efficient replacement sequences that minimize machining stoppage time while ensuring quality maintenance
Solution Approach 2:
The control unit continuously monitors tool states and provides feedback information about tool conditions and collection priorities. This feedback mechanism enables dynamic adjustment of replacement timing and sequencing, optimizing the balance between maintaining machining quality and minimizing productivity loss
3Adaptability or versatility
If the machine tool has a large number of cutting tools in the magazine, then the versatility and adaptability improve, but the complexity of managing and tracking tool states increases
Solution Approach 1:
The control unit segments the tool management task by individually assessing each tool's state and determining its collection priority separately. This segmentation approach allows the system to handle large numbers of diverse tools systematically, tracking each tool's condition independently while maintaining overall management efficiency through structured priority ranking
Data Source
AI summary
A machine tool includes a magazine capable of holding a plurality of tools, a machining body for machining a workpiece using at least one of the tools, and a control unit for controlling the machine tool. The control unit executes processing for acquiring tool information regarding the tools. The tool information defines a type and a state for each of the tools. The state includes an abnormal state and a normal state. The control unit furthermore executes processing for determining, as a collection candidate tool, a tool in the abnormal state for which a tool of the same type in the normal state is not present in the magazine, based on the tool information, and predetermined processing regarding the collection candidate tool.