Machine Tool Display Linking Vibration Data to Program Blocks
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Solution Overview
Problem
Operators face challenges in recording and analyzing operations to effectively address chatter vibrations in machine tools, making it difficult to determine the effectiveness of measures taken and to efficiently converge subsequent vibrations.
Innovation Solution
A display control device is implemented in machine tools, featuring a detection unit for monitoring vibrations and loads, and a display control unit that shows time-series data of detected values, allowing operators to receive inputs based on this data and display program information associated with these inputs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If operators manually record operations based on experience to address chatter vibrations, then flexibility in handling different vibration cases is improved, but time consumption and difficulty in analyzing effectiveness of measures increase
Solution Approach 1:
The system automatically records operation history and vibration data in real-time during machining operations, so that when chatter vibrations occur, the data is already prepared and available for immediate analysis. This eliminates the need for operators to manually record operations after the fact, significantly reducing time consumption while maintaining the ability to analyze various vibration cases effectively.
Solution Approach 2:
The system creates digital copies of operation data, vibration signals, and process parameters that can be stored, retrieved, and analyzed repeatedly without additional time investment. These digital records allow operators to review the same data multiple times and compare different vibration cases efficiently, maintaining analytical flexibility while reducing the time required for each review.
2Ease of operation
If operators manually monitor and adjust machining parameters to suppress chatter vibrations, then ability to respond to vibration issues is improved, but measurement precision of vibration detection and analysis decreases
Solution Approach 1:
The system replaces manual sensory detection (operators listening to vibration sounds and observing machined surfaces) with electronic vibration detection devices that directly measure vibration signals. This substitution provides precise quantitative data about vibration amplitude, frequency, and characteristics, significantly improving measurement precision while keeping the operator's ability to respond to vibration issues intact through the display of this accurate data.
3Loss of information
If detailed operation records are manually maintained to analyze chatter vibration effectiveness, then ability to identify effective measures is improved, but device complexity and difficulty of data management increase
Solution Approach 1:
The system merges the recording of operation history, vibration data, and process parameters into a single integrated data structure. By combining these previously separate data elements into one unified record, the system reduces the complexity of data management while preserving all necessary information for analyzing the effectiveness of chatter vibration suppression measures. Operators can review combined records that show the relationship between operations and vibration outcomes without managing multiple separate data sets.
Data Source
AI summary
A display control device according to an embodiment includes a display control unit for controlling display of time-series data indicating a change in a detected value detected by the detection unit in a process of execution of a machining program, and a receiving unit for receiving a predetermined input based on the time-series data. The display control unit controls display of (a) a program name and (b) at least one of a block number and a program line of the machining program associated with the predetermined input received by the receiving unit.