Product Description
Bosch Rexroth’s MDD AC servo motors are permanent magnet-excited synchronous motors with electronic commutation. The permanent magnets are made of rare earth or iron oxide magnetic materials. They can be combined with drive controllers from Bosch Rexroth to create cost-effective and rapid response automation systems. There are nine motors with different continuous torques, speeds, and applications in the MDD series. These motors guarantee high contouring accuracies at high feed rates, especially when they are used for cutting at high-speed ranges.
The MDD112C-N-040-N2L-130PA1 is used for applications that require an extreme degree of synchronism, such as grinding machines. It has a standard housing design that is suitable for cooling via natural convection. The housing design also gives the motor high overload capabilities as heat is lost via conduction from the stator windings to the outside wall of the motor housing. This motor has a nominal speed of 4,000 rpm and a centering diameter of 130 mm. Due to its electronic commutation, it has a high cyclic load capacity, permitting its use in continuous start-stop operations with high repetition rates.
Digital servo feedback is the motor feedback of the MDD112C-N-040-N2L-130PA1. With this encoder, the relative indirect position of the motor is measured at high precision. It also has a data memory for reading and storing the motor's data. This MDD motor is equipped with a shaft with a keyway according to DIN 6885-1 for form-fitting shaft-hub connections. It has a 14.0Nm holding brake that prevents movement of the servo axes when the machine is disconnected from power. The motor housing is painted with a black prime coating which is resistant to weathering, yellowing, chalky build-ups, diluted acids, and lyes.
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