Hypocycloidal cross-roller gearbox - compact, strong and precise

The hypocycloidal cross-roller gearbox is an engineering solution that combines compact dimensions, high load capacity and stable torque transmission. Due to the special design, where the transmission is housed in the planetary gear support spindle, the unit becomes significantly shorter in axis. This architecture saves space in machines and robotic assemblies without compromising mechanical performance. The increased radius of curvature of the hypocycloid has a direct effect on the increase in load carrying capacity, making this type of gearbox an advantageous choice in applications where strength and minimization of dimensions are important.

Compact axial design

A special design feature is that the planetary gear is integrated into the spindle, which reduces the axial size of the unit without loss of strength.

Increased load-bearing capacity

The hypocycloid geometry has a larger radius of curvature than its epicycloid counterpart, giving higher bending and pressure strength properties.

Minimal backlash and high gear ratio

Thanks to the cross-roller transmission system, the gearbox provides stable torque transmission with minimal backlash and high positioning accuracy.

Efficiency, reliability and applicability

The modern hypocycloidal cross-roller gearbox is widely used in industrial automation, machine tool construction, robotics and other applications where high precision and compact dimensions are required.

Space saving

The compact design allows the gearbox to be integrated into size-limited machine assemblies and housings.

Reliable under high loads

The device can withstand high torques and does not lose stability under dynamic loading conditions.

Easy maintenance and assembly

Standardized assemblies and a minimum number of moving components simplify installation and maintenance.

Advantages of hypocycloidal transmission

The transmission geometry is based on a hypocycloid, a curve that provides a large contact area and uniform load distribution.

Less tooth wear

The increased radius reduces contact stresses, extending gearbox life.
No jerk when starting

The constant engagement eliminates shocks when the mechanism is started.
Stability at high speeds

The unit can operate in the high speed range without overheating or vibration.

Technological solutions and innovations
Hypocycloidal cross-roller gearboxes embody modern approaches to gear design for compact and high-precision mechanisms.
- Reduction of equipment weight
The overall system weight is reduced by downsizing the structure.
- High gear ratio in one step
It is possible to achieve a reduction ratio of more than 100 with compact dimensions.
- Positioning accuracy
The transverse arrangement of the rollers allows precise transmission of motion without slippage or backlash.
Where hypocycloidal gearboxes are used
Due to their unique characteristics, gearboxes of this type are used in high-tech equipment.
- Robots and manipulators
Provide compact swivel joint assembly and high pointing accuracy.
- Medical equipment
Used in scanners and surgical devices where smooth and precise movement is important.
- Automated production lines
Allow the integration of powerful gearboxes into limited mounting space.

Precision and power in a compact format

The hypocycloidal cross-roller gearbox is a compact and reliable solution for applications where size and high load are critical. The design, based on the increased hypocycloid radius and transverse roller arrangement, achieves outstanding accuracy and gear ratio without increasing the overall size. This makes the device an ideal choice for modern robotics systems, machine tools and next-generation equipment. The combination of engineering, robustness and compactness opens up new horizons in automation and mechanics.