Wire EDM Machining Condition Reuse to Prevent Wire Breakage
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Solution Overview
Problem
The manual adjustment of machining conditions in wire electrical discharge machining is labor-intensive, requiring repeated adjustments for the same machining program, which increases workload and can lead to wire electrode breakage.
Innovation Solution
An arithmetic device that stores machining programs with associated conditions and allows operators to input and store adjustment ratios, automatically adjusting machining conditions based on these ratios to reduce workload and prevent wire breakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual adjustment of machining conditions is performed for each machining program execution, then machining precision can be maintained, but operator workload increases significantly
Solution Approach 1:
The system creates a master copy of machining conditions in the storage unit. When the same machining program is executed again, the system automatically copies and applies the previously determined optimal conditions without requiring manual re-adjustment, thus maintaining precision while reducing workload.
Solution Approach 2:
The arithmetic device automatically retrieves and applies stored machining conditions based on program identification, enabling the system to self-adjust without operator intervention. The device serves itself by automatically loading the appropriate conditions from storage based on the current program being executed.
2Manufacturing precision
If manual adjustment is required every time the same machining program is executed, then optimal conditions can be applied, but time is lost in repeated adjustments
Solution Approach 1:
The optimal machining conditions are determined and stored in advance during the first execution of a machining program. When the same program is executed subsequently, the pre-stored conditions are automatically retrieved and applied, eliminating the need for repeated manual adjustments and saving time.
3Ease of operation
If machining conditions are not consistently adjusted, then operator effort is reduced, but wire electrode breakage may occur
Solution Approach 1:
The system incorporates feedback by detecting when the same machining program is executed again and automatically retrieving the previously optimized conditions. This feedback loop ensures that proven reliable conditions are consistently applied, preventing wire electrode breakage while minimizing operator effort.
Data Source
AI summary
An arithmetic device includes: a storage unit for storing a plurality of machining programs for wire electrical discharge machining, each program being associated with a machining condition corresponding to the machining program; an acquisition unit for acquiring an adjustment ratio of the machining condition input by an operator; and a storage control unit for, when the acquisition unit acquires the adjustment ratio, storing the acquired adjustment ratio in the storage unit in association with the machining program.