Types of Orbital Motors are many and varied, and this post will give you a detailed overview, categorized by installation method.
1. Flange mounting
The flange mounting is connected to the device by means of a flange on the end face of the motor housing. This design realizes a modular connection between the power unit and the actuator. Its core advantage is the high degree of standardization of the installation process - the power transmission path can be constructed by simply bolting the flange to the equipment interface. For example, the flanged Orbital Motor is widely used on excavator slewing platforms in the construction machinery sector, where the standardized interface design allows for shorter motor replacement times and significantly improved maintenance efficiency.
The adaptability of this type of mounting is equally outstanding. The flange is usually equipped with O-ring sealing grooves and locating pin holes, which ensure the sealing of the hydraulic system as well as quick and precise positioning. For equipment that requires multiple motors to work together, such as the luffing mechanism of large cranes, the modularity of flange mounting makes the system layout more compact and the power distribution more reasonable.
2. Cradle mounting
The tripod mounting is fixed to the equipment base by a bracket extending from the bottom of the motor, and this design gives the system excellent vibration resistance. Take agricultural machinery as an example, under the vibration condition of combine harvester threshing device, the tripod type Orbital Motor conducts vibration energy directly to the equipment base through a rigid connection, which effectively avoids the resonance phenomenon of the power transmission path. Measurement data from a certain harvester model shows that the motor bearing life is extended and the failure rate is reduced by adopting the kickstand mounting.
The flexibility of the kickstand mount's adjustment is also commendable. The bracket is typically designed with a long circular mounting hole that allows the user to adjust the motor angle within ±5°, a fine-tuning feature that is critical for drivelines that require precise alignment. In marine rudder systems, the tripod-mounted Orbital Motor ensures precise pointing of the hydraulic rudder in complex sea conditions through angle compensation.
3.Shaft Extension Mounting
Shaft-extension mounting realizes zero-distance power transmission by directly inserting the motor output shaft into the drive shaft of the equipment. This design shows unique advantages in space-constrained applications. Taking industrial robots as an example, their joint drive unit often adopts Orbital Motor, where the motor body is embedded inside the robot arm and the output shaft is directly connected to the harmonic reducer, which reduces the overall structure size and weight.
The transmission efficiency of the axial extension type is also impressive. By eliminating intermediate transmission parts such as couplings, power loss is reduced. In the CNC machine feed system, the axis-extension type Orbital Motor is coupled with a high-precision ball screw to realize μm-level feed accuracy.
4.Installation Logic
Understanding the Types of orbital motors can help users efficiently select products. In the face of diversified installation requirements, users need to establish a systematic selection framework: for modular systems requiring rapid maintenance, flange mounting is the first choice; in vibration conditions or the need for angular adjustment, tripod mounting to show the advantages; and space constraints or the pursuit of the ultimate transmission efficiency, the axial For space constraints or the pursuit of ultimate transmission efficiency, shaft mounting is the ideal solution.
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