Mazak Double-Turret Quick Turn Nexus

Mazak introduces the double-turret technology of its new Quick Turn Nexus 250-II MSY-D multi-tasking machine. The technology provides greater tooling capacity—without the expense of a tool magazine—for the high production of complex, multi-process parts and automated operations. The machine also incorporates two turning spindles, milling capability, and Y-axis machining functionality for done-in-one production.

For increased processing versatility, Mazak’s double-turret design combines a turning turret situated side-by-side with a milling turret for a total capacity of 23 tools. One direct drive motor efficiently powers both the turning and the milling turret indexing as well as drives milling cutter rotation.

The turning turret is a bolt-on type for stationary tooling that allows for the flexibility of performing both I.D. and O.D operations on part diameters up to 7.48”. The milling turret is a VDI style that delivers 4,500rpm, 7.5hp, for milling, drilling, and tapping work, as well as for C-axis contouring and Y-axis off-center machining using the machine’s 4” Y-axis travel.

Two turning spindles on the QTN 250-II MSY-D generate the power and speed for both heavy-duty and high-speed machining of bar fed or chucked workpieces. The main headstock features a 10" chuck, mounted on a 35hp, 4,000rpm integrated spindle motor for heavy-duty work, while the second spindle, with 6” chuck, provides 6,000rpm and 15hp for high-speed applications and finishing operations. Both spindles have a full C-axis with 0.0001? increments for full contouring capability.

As an automated cell at IMTS 2012, the QTN 250-II MSY-D was equipped with a GR100 gantry robot loader as well as with a loop pallet conveyor for complete unattended high production of chucked parts. The two-axis overhead gantry loads and unloads parts from the conveyor that features 12 pallets for continuous machine operation.

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