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Helical Hydraulic Rotary Actuator

Compact rotary actuator for serving as joints of robotic arms

Lionshare's compact hydraulic rotary actuators are designed for space-constrained applications, offering robust thrust and strong impact resistance. These actuators feature rotation angles of 180°, 360° or custom value. Available in models with or without a balance valve, the selected balance valve has a 3:1 pilot ratio and an overflow pressure setting of 21MPa. The balance valve not only allows the actuator to stop at any fixed position in its stroke but also provides holding torque. It also acts protectively against mechanical damage in cases of excessive reverse loads.

Specifications

Model	2	3	6	10	16	27
Drive Torque [Nm]@21MPa	180	320	600	1000	1600	2700
Holding Torque [Nm]@21MPa	630	120	1900	3800	5700	9400
Max. Moment [Nm]	560	1000	2200	5600	9000	11200
Radial Capacity [kg]	900	1350	1850	3600	4980	6700
Axial Capacity [kg]	900	1350	1850	3600	4980	6700
Displacement 180° [cc]	63.9	121	192	365	552	914
Displacement 360° [cc]	——	243	384	733	1105	1829
Weight 180° [kg]	6.4	10	14.2	26	43.3	57
Weight 360° [kg]	——	12.8	19.2	35	54.5	83

Applications

Robotic arms, underwater robotic work arms, automated production lines, robotic joint rotation, and rotation of machine tool structural parts.

Features

Compact and highly integrated design
Lightweight
Zero backlash
Optimized for low power consumption
High load capacity and operational torque

Output Type

Q - Single Flange Output

Mounting Options

R - Rear Flange Mounting

Complete Specifications & More Information

Rotary Actuator used in Engineering Machinery

Robotic arm joint parts