Siemens SINUMERIK 840D Programming Manual

Additional functions
13.5 Synchronous spindle
Job planning
Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0
13-13
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Specification of a speed ratio SR
T
between the main spindle and a "tool spindle" provides the
prerequisite conditions for multi-edge machining (polygon turning).
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Siemens SINUMERIK 840D Specifications

General

Series	SINUMERIK 840D
Axes	Up to 31
Channels	Up to 10
Operating System	Windows-based
Power Supply	24 V DC
Control Unit Type	CNC
Interface	Ethernet, PROFIBUS
Display	TFT color display
Interpolation	Spline
PLC	Integrated PLC
Data Storage	CompactFlash, USB