R911256155 (RAC 2.3-250-460-A00-W1)

RAC Spindle Drive Controllers

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The R911256155 (RAC 2.3-250-460-A00-W1) is an advanced main spindle drive controller developed by Indramat, specifically designed to manage the speed and position of 2AD asynchronous main spindle motors and 1MB frameless spindle motors. High stiffness and a wide speed range distinguish these motors, making them ideal for use in Numerically controlled industrial machines. The controller offers a high resolution of up to 1/4 000 000th of a revolution, thereby achieving efficient low-speed motor control. Featuring an AS programming module, the controller seamlessly adapts to the main spindle motor and captures its specific operating characteristics. Additionally, the controller maintains optimal operating temperature via an integrated heat sink and air blower system. The controller's compatible servo motors can deliver continuous and peak power outputs of 65 kilowatts and 78 kilowatts respectively. It can also provide significant regeneration power during power interruptions, has a shipping weight of 121 kilograms and is not suited for use in ambient temperatures exceeding 55°C. The unit has a one-year global warranty provided by Indramat USA.