Page 10 - Industrial Technology EXTRA - 22nd June 2020
P. 10

CARTESIAN ROBOTS...

































       To CNC or to PLC: that is



       no longer the question




       Barry Weller, product manager at Mitsubishi Electric, looks at how to
       simplify the control architecture of cartesian coordinate robots
          n order to remain competitive, it is generally   both PLCs and computer numerical controllers
          accepted that industries should adopt lean   (CNCs) in order to fully manage movement within
          manufacturing strategies to improve process   the machine – until now.
       Iefficiency. A key action can be to reduce part   Cartesian coordinate robots are widely used to
       count, i.e. the number of components in an   automate machine functions such as mechanical,
       assembly or system. This is particularly challenging   laser or plasma cutting – quickly delivering high-
       when it comes to highly accurate cartesian   quality items that are consistent and can be highly
       coordinate (linear) motion applications. In these   customised. While a cartesian coordinate robot and
       cases, machine builders would often need to use   a CNC (computer numerical control) machine are

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