FAULHABER GPT planetary gearhead family

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The pure metal GPT planetary gearheads operate with high efficiency and can be combined with many different motors and enable various shaft configurations. Available with diameters of 22, 32 and 42 mm, they are said to achieve performance values comparable to technologies such as ceramic components.

The gearheads achieve high values for torque as well as for speed. Compared to the predecessor models, the continuous input speed has more than doubled above 10,000 rpm and can support input speeds up to 20,000 rpm in intermittent mode. The 42GPT series can sustain an intermittent torque up to 25 Nm while its length is squeezed down to 71 mm.

The gearheads are designed to be robust and to tolerate continuous as well as abrupt and sudden load changes. They are shorter than other models in the same diameter. The gearheads can be equipped with up to four reduction stages; each stage is individually optimised to achieve high power in terms of torque and speed.

As a result of the high number of available gear ratios and their uniform distribution, the motor power can be utilised optimally: a higher torque can be achieved with the same input speed and a higher speed can be achieved with the same torque. In addition, power consumption is reduced through high efficiency. The family is also particularly useful for positioning applications granted by a low backlash characteristic.

The gearheads are suitable for various demanding applications. Their compact design fits well with the BXT brushless flat motor family when size is a key constraint integrating actuators inside applications. A large selection of DC motors is also available in combination with the gearhead family. They are suitable for different types of robots — inspection, assembly, rehabilitation or exoskeletons — as well as for production and laboratory automation, packaging machines, measurement and testing equipment, or semiconductor handling.