CNC system platform provides tool management in one interface

Siemens presents multi-tasking, together with enhanced performance and improved operability in its Sinumerik 840D sl CNC.


An array of new functions for Sinumerik 840D sl CNC further improves the productivity of complex machine applications.  The newly integrated complete machining functionality provides simpler, more economical machining operations in a single workstep on multi-tasking machines.  The picture shows the new operator panel OP 019, allowing modern touchscreen operation functions.The Sinumerik 840D sl CNC system platform offers a comprehensive range of functions for machine tools. This universal control covers wide-ranging machining technologies used in metalworking operations such as turning, drilling, milling, grinding, laser machining, nibbling and punching, plus it can be used in multi-tasking machines such as turn-mill or mill-turn centers. Whatever the application, Sinumerik 840D sl leads to maximum productivity for the job shop or industrial-scale production department, as well as optimum surface quality for all mold and tool building applications.

This integrated complete machining functionality is simple to configure for different machine kinematics and permits production using widely varied technologies without the need for laborious workpiece reclamping directly on a machine. The Sinumerik Operate user interface provides an integrated turning functionality for milling and an integrated milling functionality for turning, supplemented by new measurement cycles featuring animated elements. The resulting uniform look-and-feel provides smooth operation across all technologies and three methods such as DIN or workstep programming using ShopMill and ShopTurn, or for high-level language programming with programGuide.

The tool management system ensures simple handling of all turning and milling tools as well as hybrid multi-tools in a single standardized user interface. Programming has been extended to include milling and turning tool alignment and approach processes and also turning and milling cycles inclusive of contour programming. Multi-tasking program simulation also provides user support, offering further improvements in machining efficiency.

With the benefit of modern touchscreen operation, the new Sinumerik operator panel OP 019, now extended to include the new Power Control Unit (PCU) 50.5, allows high-speed key actuation at the large 19-inch glass front, which conforms to the IP66 protection rating. Another new feature of the OP 019 design is the wide LEDs, which allow the operator to clearly visualize every key actuation, no matter what the angle of vision, and an integrated key lock helps safeguard against operating errors. The new operator panel is able to provide a basic machine display with three or four channels showing up to 13 axes.

For more information about CNC solutions and services from Siemens, visit

- Posted by Kelsey Kirkley, Control Engineering,

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