Electrical switching & drive systems & components


CNC controllers include 4-axis turning

4th Quarter 2015 Electrical switching & drive systems & components

The expanded contour machining cycle for Siemens Sinumerik CNC controllers now facilitates 4-axis turning on lathes. Two turning tools opposite one another machine the workpiece simultaneously, enabling the machining time to be significantly reduced. In addition, the two turning tools opposite one another prevent workpiece distortion, significantly improving dimensional accuracy, particularly on long, thin workpieces. A unique advantage of the Siemens controls is that the new machining process can be programmed directly on the Sinumerik CNC without a CAD/CAM system. With just two additional parameters, the user expands the machining process for a tool into highly productive balanced cutting with two tools, the Sinumerik contour machining cycle automatically creating the CNC sequences.

In 4-axis machining a distinction is made between synchronous and asynchronous path control, with the channel-based Sinumerik executing two independent CNC programs simultaneously. In synchronous machining, which is particularly suited for roughing and finishing, the cutting inserts are exactly opposite one another and move identically. The cutting depth, equally distributed over both cutting edges, makes it possible to double the feed rate per revolution and chip volume.

For more information contact Jennifer Naidoo, Siemens Southern Africa, +27 (0) 11 652 2795, [email protected], www.siemens.co.za



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