What is the difference concerning harmonic and cycloidal gearbox?

Harmonic and cycloidal gearboxes are each kinds of equipment devices that present velocity reduction and torque multiplication. Even so, they work dependent on diverse rules and have unique qualities. Here are the critical differences involving harmonic and cycloidal gearboxes:

Working Basic principle:

– Harmonic Gearbox: A harmonic gearbox, also regarded as a strain wave gearbox, operates centered on the basic principle of flex spline and wave generator. It consists of a adaptable spline (flex spline), a rigid outer spline (circular spline), and an elliptical or China cycloidal gearbox exporter wave-shaped part (wave generator). The motion of the wave generator results in a deformity in the flex spline, ensuing in a relative movement amongst the flex spline and round spline, which provides the velocity reduction and torque multiplication.

– Cycloidal Gearbox: A China cycloidal gearbox exporter gearbox, also identified as a cycloidal travel or cycloidal reducer, operates based mostly on the basic principle of the cycloidal motion. It consists of an input shaft, eccentric pins or cams, a cycloidal disc, and an output shaft. The eccentric pins or cams, when rotated, lead to the cycloidal disc to transfer in a cycloidal movement, ensuing in output rotation. The a number of details of speak to between the pins or cams and the cycloidal disc help torque transmission and velocity reduction.

Gear Style and design:

– Harmonic Gearbox: Harmonic gearboxes commonly have a compact layout and contain an elliptical wave generator that deforms the flex spline to produce the wished-for movement. They normally have a significant equipment reduction ratio and show large precision and small backlash. Harmonic gearboxes are normally utilised in applications the place significant precision and compact sizing are vital, these as robotics and aerospace.

– Cycloidal Gearbox: Cycloidal gearboxes have a distinctive structure with eccentric pins or cams and a cycloidal disc. The pins or cams generate a cycloidal motion in the disc, resulting in output rotation. Cycloidal gearboxes offer you superior torque capacity, compact dimension, China cycloidal gearbox distributor and easy motion handle. They are generally applied in purposes that have to have significant torque and precise movement management, these kinds of as robotics, industrial machinery, and automotive units.

Benefits and Negatives:

– Harmonic Gearbox: Harmonic gearboxes supply superior precision, lower backlash, and compact dimension. They provide exceptional motion control, repeatability, and precision. However, they can be more expensive and have limits in terms of torque capability and longevity.

– Cycloidal Gearbox: Cycloidal gearboxes provide higher torque capacity, compact size, and clean movement regulate. They are known for their toughness and means to cope with shock hundreds. Having said that, they might have a bit higher backlash as opposed to harmonic gearboxes, and their style and design may perhaps be more complicated.

In summary, harmonic and cycloidal gearboxes have different working rules, equipment patterns, and attributes. Harmonic gearboxes excel in precision and compactness, though cycloidal gearboxes offer you high torque capacity and sturdiness. The alternative amongst them is dependent on the specific requirements of the application, these kinds of as precision, torque capacity, compactness, and value issues.


As one of leading coupling manufacturers, suppliers and exporters of mechanical products, We offer coupling and many other products.

Please contact us for details.

Mail:[email protected]

Manufacturer supplier exporter of coupling

Recent Posts