
Skystone / Wire Cut EDM Electric Discharge Machine Hy-420sy-Pl with Standard Accessories. High Precision Accuracy: X/Y axis accuracy within 3 um, with minimum surface finish Ra 0.5um. Robust Machine Structure: HT300 cast iron bed ensures high stability and long-term accuracy. Advanced Servo System: Uses Panasonic and Mitsubishi servo motors for improved machining accuracy. Environmental Protection: Full protection design with water retaining cover and fluid recovery system. Global Technical Support: 45 professional engineers available 24/7 for immediate response. Comprehensive Warranty: 12 months standard warranty with optional extended coverage up to 36 months. Flexible Wire Speed: Variable-frequency endless variable-speed system with automatic speed selection.