Proper Care And “Feeding” Of Your Spindle

CNC today allows spindle condition monitoring, adaptive control and part production “learning” entirely through software developments

siemensOver the recent years, the evolution of such concepts as condition monitoring and adaptive control have been substantial. Condition monitoring, as the name implies, watched the relationship between theoretical and actual speeds and feeds, making preprogrammed or set adjustments, as needed. Adaptive control was the next iteration, as the CNC could detect subtle differences in tool and workpiece conditions and adjust the cutting “on the fly” as the cycle proceeded.

In the advanced world of highly complex, non-linear shapes found in the aerospace and especially the medical/ortho markets, the transformation orientation concept took the computation of the cutting path to a whole new level, basing it on the tool tip relationship to the workpiece, combined with a look-ahead function. Additional sensing hardware and probes were required and are still, today.

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Randy Pearson, a long-time veteran of the machine tool industry, is a Siemens International Business Development Manager. His special interests include the many levels of training on CNC machine tools, which he conducts through the various seminars, workshops and classes the company conducts with machine tool builders and dealers, at vocational/technical schools and onsite at shops, as well as at the Siemens training facilities around the country.