Multitasking Turning Centers With Dual Spindles

The GS series of multitasking turning centers now includes the GS 200 MSY and GS 250 MSY Performance. The multi-axis machines feature dual-wound spindle motors with 30 hp (22 kW) on the main spindle and 20 hp (15 kW) on the subspindle. Other standard features include 10-hp (7.5-kW) live tooling with a C axis, a Y axis and spindle orient. Both the main spindle and subspindle feature integral, wraparound, high-torque motors designed for thermal stability. An oil jacket around both spindles maintains temperature control via a chiller unit, which reduces thermal growth and contributes to accuracy, the company says.   The turning centers feature a 30-degree, one-piece, cast iron slant-bed base; linear roller guideways; and fixed, pre-tensioned, double-nut ballscrews. Other standard features include spindle speeds of 4,500 rpm; as much as 518 foot-pounds of spindle torque; an 8" or 10" three-jaw chuck; bar capacity to 3.07"; a 12-station, universal VDI 40 top plate; 50-psi through-tool and headwall coolant; a chip conveyor interface; and a swing-out Fanuc 18i control with Manual Guide i shopfloor programming.

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Programming Considerations for Inverted Vertical Turning

Since its inception, the self-loading/unloading design of inverted vertical turning machines has evolved to include multitasking operations that augment its original task of turning. This article looks at ways to optimize the programming of these machines and to take advantage of the multiple operations available for workpiece processing.