Quick Turn 250MSY Turning Centre with GR100 Gantry RobotClick image to enlarge

Mazak has designed its Quick Turn 200/250 Series of CNC turning centres as a flexible machine base suitable for numerous configurations.

As an example, the Quick Turn 250MSY Multi-Tasking Turning Centre with GR100 Gantry Robot, offers full ‘Done in One’ part-processing capabilities and fully automated part loading/unloading with the GR100 Gantry Robot.

Mazak pre-engineered the GR100 to integrate into any of the Quick Turn 200/250 Series machine models, including the two axis, milling, Y-axis and/or second spindle versions. To interface with these Quick Turn machines, the GR100 requires no special robot/machine interface and programs via the Mazatrol SmoothG CNC featured on the machines. Two GR100 workpiece-table configurations are available, as is end-of-arm tooling with three-jaw grippers.

All GR100 robots come equipped with an easily configured D3, two-sided, three-jaw gripping hand with a part range up to 17.78 cm (7 in.) in diameter, 15.24 cm (6 in.) in length and total weight of 44 lbs. The D3 hand design allows shops to load/unload a wide variety of chuck work. To reduce machine idle time, Mazak complements the GR100 with the integration of a fast, servo-driven automatic door that allows the robot entry into the machine envelop at a 100 m/min. (3,937 ipm) rapid rate on the robot’s A axis and 180 m/min. (7,087 ipm) rapid rate on its B axis.

The Quick Turn 250MSY headstock features a 25.4 cm (10 in.) main chuck mounted on a 35 hp, 4,000 rpm integrated spindle motor that generates 343 ft-lbs of torque for heavy-duty metal removal. To accurately position parts for square facing/slotting cuts and precisely drilled holes, the machine’s main turning spindle also serves as a full-functioning C-axis programmable in 0.0001-degree increments. A second spindle with 15 hp, 6,000 rpm and a 15.24 cm (6 in.) chuck allows the Quick Turn 250MSY to automatically transfer parts and perform secondary operations with speed and accuracy.

The machine’s 12-position, direct-drive turret eliminates the use of belts for improved part surface finishes and reduced maintenance. It can be configured with either VDI or bolt-on tooling. The turret’s rotary tool spindle delivers 10 hp, 6,000 rpm and 52 ft-lbs of torque. With an optional tooling package, 10,000 rpm is available.

The GR100 robot package offers two-workpiece table configurations, including a two-pallet changer that allows parts to be positioned in rows across each table and a 16-position rotary stocker system with the ability to stack parts on each individual stocker. The two-pallet changer makes it possible for operators to access the pallet on one table while the other table is shuttled into the load/unload area for uninterrupted machine operation. The rotary table design with stacked parts allows for greater initial density of parts but without access during automatic operation. A single part-discharge tray can also be added for unloading specified parts for inspection.

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