Cyclo planetary gearbox is a combined compound reducer integrating cycloidal multi-point meshing and planetary transmission. It balances high rigidity, low backlash and high torque density. It is widely adopted in robotic arms, CNC rotary tables, precision conveyors, laser machines and AGVs, serving as a premium transmission solution for precision heavy-duty automation.
Dual advantages from hybrid structure
This cyclo planetary gearbox combines cycloidal and planetary stages. It inherits strengths of both designs: higher rigidity than standard planetary reducers and better precision than single cycloidal gearboxes. It is a hybrid solution balancing accuracy and shock resistance.
High rigidity with shock resistance
The front cycloidal stage of cyclo planetary gearbox shares load across multiple contact points to absorb sudden impact, while the planetary stage delivers steady output. It maintains stable accuracy under fluctuating loads.
Controllable low-backlash output
The cyclo planetary gearbox is manufactured with matched preload to tightly control backlash and ensure reliable repeat positioning for servo closed-loop applications. It combines the load capacity of cycloidal drive with the precision of planetary gearing.
Short compact integrated design
The integrated tandem layout of cyclo planetary gearbox greatly cuts axial length compared with separate cycloidal plus planetary reducers, saving valuable installation space inside precision machinery.
Excellent torque density
The cyclo planetary gearbox delivers high continuous torque in a limited footprint. It supports higher short-time overload than standard planetary gearboxes of the same frame size, perfect for tight-space applications with heavy shock loads.
Standardized input and output flanges
Cyclo planetary gearbox uses universal servo flange interfaces. It can mate directly with servo motors without extra adapter plates for fast selection and assembly, compatible with mainstream automation servo drives.
Q: What is the key difference between cyclo planetary gearbox and pure cycloidal gearbox?
A: Cyclo planetary gearbox is a hybrid cycloidal-planetary structure for lower controllable backlash. Pure cycloidal gearbox offers stronger shock tolerance, though backlash is usually larger at the same cost level.
Q: Can cyclo planetary gearbox be used for robot joints?
A: High-precision cyclo planetary gearbox has good rigidity and low backlash for small and medium robot joints. Pure cycloidal reducers are preferred for heavy-duty high-shock joints.
Q: How is the reduction ratio of cyclo planetary gearbox configured?
A: Total ratio is the product of cycloidal stage ratio multiplied by planetary stage ratio. Flexible ratio combination covers special intermediate ratios unavailable for single-stage reducers.
Q: Can cyclo planetary gearbox run 24 hours continuously?
A: It can run continuously under rated load with proper heat dissipation. Oversizing with higher service factor is recommended for permanent full-load duty to limit temperature rise.
Q: Is hollow bore version available for cyclo planetary gearbox?
A: Hollow shaft design is optional. Cables and optical paths can pass through the center bore, ideal for rotary tables and laser rotary processing heads.
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