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Crown Roboxgear

Solid Type

The basic unit, offering greater rigidity than the hollow type, is more cost-effective and can be connected to various motors.

Hollow Type

The rotating shaft is tubular, allowing wiring to pass through the shaft or the hollow hole to be used for connecting other devices, achieving space-saving design.

Geared Motor Type

By integrating the motor and the reducer, space-saving and torque optimization are achieved for the entire unit.

External Dimensions

13mm

CRGN13

Geared Motor Type

Reducer Unit Mass
25g
Rated Torque
0.3Nm
Instantaneous Maximum Torque
0.8Nm
Intended Applications
Finger joints of robot hands, and robot joints for small precision fields.

As the flagship model representing Crown Roboxgear, which is optimal as an ultra- compact, high-output precision reducer, it achieves twice the rated torque and more than 2.6 times the instantaneous maximum torque of typical ultra-compact reducers of the same size. It adopts Mabuchi Motor Micro Tech Co,.Ltd. high-torque, ultra-compact brushless DC motor Thumbelina for the motor.

External Dimensions

30mm

CRGS30

Solid Type／Geared Motor Type

Optimized for 30-W servo motors, and if the external dimensions of Oriental Motor’s AZ series (our collaborating manufacturer) are used, it can utilize the motorʼs maximum excitation holding torque.

CRGS30-050FDD

Solid Type

Reducer Unit Mass
200g
Rated Torque
3Nm
Instantaneous Maximum Torque
45Nm
Intended Applications
Robot joints, miniaturization of existing reducer units, etc.

CRGS30-050FDM1

Geared Motor Type

Reducer Unit Mass
165g
Rated Torque
3Nm
Instantaneous Maximum Torque
45Nm
Intended Applications
FA equipment, robot joints.

External Dimensions

50mm

CRGH50

Hollow Type

Reducer Unit Mass
320g
Rated Torque
3Nm
Instantaneous Maximum Torque
45Nm
Intended Applications
Robot arm joints, CNC machines, conveyor systems, medical devices, etc.

Among precision compact reducers, those with external dimensions over 50 mm are somewhat larger and are required for applications such as robot arms that need to lift heavy objects with high torque and high load resistance. A hollow type is provided to achieve compactness in any combination of units.

Specifications

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Glossary of Terms

Starting Torque: The minimum torque required on the input shaft to initiate rotation on the output side.
Maximum Backlash: The gap or play between the gear teeth surfaces that occurs when the rotor gear and stator gear or the rotor gear and output gear mesh.
Angular Transmission Error: The difference between the theoretical rotational angle of the output shaft and the actual rotational angle when the input shaft is rotated by a certain angle.
Instantaneous Maximum Torque: The maximum torque that can be applied to the output shaft.
Efficiency: The ratio of mechanical work extracted from the output shaft to the mechanical work applied to the input shaft
(this is a reference value, for it varies depending on usage conditions).