Machine Tools are available with VDI-driven units.

Press Release Summary:

Mazak Quick Turn Nexus, Super Quick Turn, and Multiplex-series machine tools are offered with self-contained VDI-driven units that enable multiple part processes such as milling, drilling, and turning on same part in one setup. Available with KM interface or ER collet style, units feature sealed spindle bearings, recessed spindle configuration, and through-coolant capabilities up to 1,500 psi. Tool setups can be pre-staged offline.

Original Press Release:

New Kennametal VDI-Driven Units for Mazak Machines Increase Productivity and Cost-Efficiency

(LATROBE, PA) - Self-contained VDI-driven units from Kennametal for Mazak Quick Turn Nexus, Super Quick Turn, and Multiplex-series machine tools enable multiple part processes such as milling, drilling, and turning on the same part in a single setup. Available with either the Kennametal KM interface or standard ER collet style, setups can be accomplished accurately and efficiently. Since the units make offsets known quantities, tool setups can even be pre-staged offline for greater productivity gains. As Product Manager Curtis Rellick succinctly puts it, "Less setup time, more spindle time."

Individual driven units are designed to work specifically with each model variation of the Mazak machine tools for maximum equipment capability. The units feature high-precision gears and sealed spindle bearings for smooth operation, and a recessed spindle configuration that reduces spindle stress and increases bearing life. High-quality seals and O-rings enhance protection against external contamination. Through-coolant capabilities of up to 1500 psi are available.

The driven units increase rigidity by design, enabling higher spindle speeds and feeds and longer tool life. Product life averages of three years before repair or rebuilding are required, compared to nine to 12 months for other drive spindles. One customer described the advantages of a driven unit running a four-tooth, 1.57-in. face mill rough-cutting cast stainless steel at 600 SFM at a depth of 0.07 inches taking a full 1-inch width of cut. "Our maintenance personnel were frequently rebuilding competitive units due to bad gear backlash and blown spindles from the heavy interrupted cut," he says. "Despite the pounding the Kennametal unit takes, we have experienced better tool life, increased surface finishes, and no downtime with broken spindles/gears. That translates into productivity and dollars that go right to the bottom line."

More information on the driven units for Mazak equipment is available from Kennametal's Technical Applications Group at (800) 835-3668 or by visiting

Kennametal Inc., Latrobe, PA; (800) 446-7738;


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