High-Speed Z-Axis Head Enhances Efficiency in Large Sinker EDM Applications

Available on all Makino EDNC-Series sinker EDM machines, the HS-Rib high-speed Z-axis technology is designed for improved speed, lower electrode wear and more uniform finishes in large sinker EDM processes.

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Available on all Makino EDNC-Series sinker EDM machines, the HS-Rib high-speed Z-axis technology is designed for improved speed, lower electrode wear and more uniform finishes in large sinker EDM processes. It offers flexible processing capabilities, including a jump rate of 20 m/min with 1.5-G acceleration, Z-axis strokes ranging from 500 to 800 mm, and programming of orbital machining patterns with no amperage limitations. The use of direct-drive-motor technology and liquid cooling within the Z-axis structure ensures sustained thermal stability and precise depth control, and supports electrode weights ranging to 100kg (220 lbs).

EDNC-Series sinker EDMs combine rigid and precise construction, simple programming, and advanced performance features for accurate machining of large workpieces. Equipped with the HS-Rib technology, these large, heavy-duty machines can produce deep ribs as fast as or faster than smaller sinker EDM machines, the company says. Automatic toolchange and adaptive controls enable high levels of unattended machining without the need for operator intervention, and are further supported with advanced automatic jump machining controls to optimize debris removal without the need for external flushing.

All EDNC-series sinker EDMs also can be equipped with the company’s High-Quality Surface Finish (HQSF) technology, which is said to yield achievable surface finish capabilities 50 percent better than that of conventional surface finishes, regardless of discharge surface area.

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