Multiaxis controls

System controls milling machines and machining centers with up to 5 axes, plus spindle.
By Control Engineering Staff March 27, 2008

With the TNC 620 with digital drive control, Heidenhain Corp. says it has introduced an exciting new control for use on both milling machines and machining centers with up to 5 axes plus spindle. This new TNC is based on an innovative software platform NC Kernel.
The control is equipped for handling even very complicated tasks, according to the company, including those that use swivel and rotary axes. For simultaneous machining with up to five axes, the control offers special functions, such as dynamic look-ahead, algorithms for jerk limitation, and intelligent motion control.
The company says the main computer, controller unit, and other components feature a new, powerful Heidenhain Serial Controller Interface (HSCI), which is based on the 100BaseT Ethernet standard. This interface helps make short cycle times for data transfer possible, considerably reduces cable costs and eases installation. Together with the new, purely digital EnDat 2.2 encoder interface, the unit has a uniformly digital design from the main computer to the encoder.
C.G. Masi , senior editor

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