Wire Electrode Fulcrum Position Calibration for Faster Taper Setup
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Solution Overview
Problem
Existing methods for determining fulcrum positions of wire electrodes in wire electric discharge machines are time-consuming due to the need for repeated measurements when wire guides are replaced or adjusted, which affects the accuracy and efficiency of taper machining.
Innovation Solution
A method and device that utilize a storage unit to store pre-measured fulcrum positions for different angles, allowing for the calculation of correction values to determine accurate fulcrum positions using a table and correction values, reducing the need for repeated measurements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If fulcrum positions are determined by repeated measurements after wire guide replacement, then measurement accuracy is improved, but time consumption increases
Solution Approach 1:
The patent applies preliminary action by pre-measuring and storing fulcrum positions for multiple angles before wire guide replacement. The measurement unit measures fulcrum positions at various angles in advance, and the storage unit saves these data. When wire guide replacement occurs, the controller retrieves pre-stored data instead of performing new measurements, thus maintaining accuracy while reducing time consumption.
Solution Approach 2:
The patent implements beforehand cushioning by creating a backup database of fulcrum position data at multiple angles before wire guide replacement. This pre-prepared data serves as a cushion that compensates for the time loss during replacement operations, ensuring that accurate fulcrum positions can be quickly retrieved without re-measurement.
2Productivity
If fulcrum positions are stored for multiple angles, then productivity is improved, but device complexity increases
Solution Approach 1:
The patent applies copying by creating a digital copy of fulcrum position data for multiple angles and storing it in the storage unit. Instead of physically re-measuring, the system copies pre-measured data from the storage unit to the controller, which then uses this copied information to determine fulcrum positions quickly, improving productivity without significant complexity increase.
Solution Approach 2:
The system performs preliminary measurement and storage of fulcrum positions at multiple angles, creating a ready-to-use database. This preliminary action eliminates the need for repeated measurements during wire guide replacement, significantly improving productivity while the complexity is managed through automated storage and retrieval processes.
Data Source
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AI summary
This fulcrum position calculation method for calculating a fulcrum position of a wire electrode (18) of a wire electrical-discharge working machine (10) comprises: acquiring, from a storage unit (32), a table of fulcrum positions that correspond to each of a plurality of angles including a first angle, which is an angle of inclination of the wire electrode (18); tilting the wire electrode (18) by the first angle; measuring the fulcrum position corresponding to the first angle; calculating the correction value on the basis of the fulcrum position corresponding to the first angle in the table and the fulcrum position corresponding to the first angle that has been measured; and calculating fulcrum positions corresponding to respective angles on the basis of the correction value and the fulcrum positions corresponding to respective angles in the table.