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Precision speed reducer:Input Speed and Direction of Rotation

Categories: Latest NewsRelease time: 2016-10-31 17:17:00
Source: ZHAOWEIEditor: ZHAOWEI Author: ZHAOWEI

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The input speed specification on the FAULHABER precision gearhead datasheet refers to the input speed recommended in order to maximize gearhead life. This specification is not intended to limit the gearheads to input speeds below the specification. It can be considered to be a safe mean value for operation. Your application may not require the maximum lifetime performance of the gearhead and this input speed specification may be safely exceeded depending on the performance requirements. Contact your MicroMo application engineer for assistance if you have any questions on the gearhead input speed. All gearheads ofered by MicroMo are reversible. In the datasheets you may see an equal or not equal symbol. Don't let this confuse you. This simply means that when positive voltage is applied to the positive terminal of the motor and negative to the negative terminal that the output shaft of the gearhead, depending on the ratio, is equal to the direction of rotation of the motor or is not equal to the direction of rotation of the motor. If you have any question on any of the specifications in our datasheets, don't hesitate to contact one of our application engineers for assistance.

    Blocking, Stalling, and Backdriving: In general we do not recommend that our gearheads are blocked while the motor is under power. Due to the wide range of ratios available for gearheads and it is highly probably that the motor has enough power, even at low current, to "overpower" the gearhead if it is blocked or stalled. This means that the torque generated at the motor is enough to strip the gears in the later stages of the gearhead or even to shear off the output shaft. Careful consideration should be paid to setting up the appropriate current limits in an application if the gearhead must be blocked to stop it.

Backdriving our gearheads is not recommended. Backdriving means that a torque is applied to the gearhead output shaft which in turn will reverse drive the input stages of the gearhead. This can damage the gearhead in a myriad of ways including causing it to jam or simply breaking off the output shaft.

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