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Rapid Traverse Rate
This is the rate at which the lathe tool moves when it is not cutting. The default rate set in WELturn is 500mm/min. To change this rate, click on File and select Settings to bring up a dialogue box. Change the rate in Machining Parameters. 700mm/min is the maximum recommended by Emco. The microcontroller has stepper motor acceleration control to prevent steps being missed, and therefore tool position lost, when rapid movements are required. The lathes do not have a measuring system which feeds positional information back to the PC. Dimensional accuracy depends on initial setting of the tools, measurement of the diameter of the billet and the stepper motors responding to every step and not missing any of them.
Check Internal and Other Tool Paths with WELturn