COBRA X-Y linear stepping motors
The COBRA: X-Y linear stepper motor system is based on a hybrid stepping motor design which offers one of the few possibilities of realizing linear movement with high speed and accelerating power coupled with very good positioning accuracy. Each carriage (which are bolted together) incorporates the windings and magnets of a stepping motor enabling movement in both the X and Y directions to be realized. The carriage ‘floats' a mere 50Ám off the surface of the stator on an ‘air bearing'. In order to counteract the effect of cantilevered forces the COBRA: X-Y has specially widened stators enabling these forces to be dissipated across the an air bearing of greater area than that of the single axis COBRA.
Without the requirement of additional measuring systems a micro step operation of high resolution can be obtained with the COBRA: X-Y. When used in conjunction with the PS6410 stepping motor drives an accuracy of <5Ám can be attained.
Due to the integrated air system absolute wear is greatly reduced and as a consequence of this downtime for regular maintenance is a thing of the past.
Another great advantage of the COBRA: X-Y is the compact design of the unit making it ideal where space is an optimum. The COBRA: X-Y is available in various stator sizes enabling working strokes. The type: ‘A' carriage has a 90N permissible static force and the type: ‘B' carriage has a 145N permissible static force. The permissible maximum load is 400N.