For demanding positioning tasks that require a high level of accuracy, stepper motors are generally used. The name comes from the operating principle, as the stepper motors are driven by an electromagnetic field. This turns the rotor a small angle – a step – or a multiple thereof.
Robust assembly, high speed range, and exceptional performance in even the harshest environments make FAULHABER drive systems the perfect solution for demanding positioning applications. The stepper motors from FAULHABER are also characterised by a long service life and high reliability thanks to their electronic commutation (motor without brush).
Advantages ofFaulhaberStepper Motor using Precistep Technology
Cost effective positioning drive without an encoder
High power density
Long operational lifetimes
Wide operational temperature range
Speed range up to 16 000 rpm using a current mode chopper driver
Possibility of full step, half step and microstep operation
Extremely low rotor inertia
Ideally suited for micro-stepping applications
Why use a Stepper ?
Maximum torque at standstill
No oscillation (jitter) when stationary
Hold its position without current (due to the detent/ residual torque)
Highly dynamic at low speeds
No damage when the motor is blocked / Manual overriding possible
No drop in speed when the load fluctuates
No need for a feedback system
DM66200H Stepper Drives
The FAULHABER DM66200H is a direct drive Stepper Motor, not only does it achieve impressive performance in terms of both speed and torque, It also operates backlash-free!
Mechanically the drive can be integrated with very limited effort since it has a relatively low weight and an extremely slim design. Thanks to minimal wear (bearing only), it is also ideal for maintenance-free continuous operation.
How it works
The DM66200H rotor runs around the opening and drives the surrounding mechanics directly without the need for a transmission. Using tried-and-tested stepper technology this drive is extremely energy-efficient and requires neither a brake nor an encoder. With a high resolution of 1.8° in full-step mode, it can execute positioning tasks precisely in open loop operation.
Torque, speed, precision
Because the moving mass of the rotor is small, speeds of up to 2000 rpm possible. A dynamic torque of up to 180 mNm can be achieved for moving large loads.
DM66200H is suitable for application where cables need to be guided through the aperture or in where gases, fluids or light signals need to pass through the opening.