Abstract
ABSTRACT To improve the cutting speed and reduce burned layer caused by the accumulation of discharge products during high energy high-speed wire electrical discharge machining (HSWEDM), it is necessary to further study the discharge characteristics. Based on not changing the original high-frequency pulse power supply and servo feed system, an interpulse voltage power supply module is designed to improve the electrolysis effect. Comparative results show that under the same experimental conditions, the interpulse voltage can improve machining stability and cutting speed during high-energy rough cutting. The thickness of the recast layer can be reduced by 37.1%. The recast layer can be greatly reduced by the rough cutting and trimming process. The interpulse voltage has a major influence on the finishing process. The thickness of the recast layer can be further reduced from 16.65 μm to 6.23 μm by optimizing the order of interpulse voltage applied to the process.
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