Oilgear's new SM Helical Rotary Actuators are designed to replace multiple components and function as a rotating device, mounting structure and bearing, all-in-one. They feature tremendous torque output and exceptional load bearing capability in compact dimensions. Oilgear's Helical Rotary Actuator offering was designed to meet three critical OEM requirements.
Base Hydraulic Symbol
At A Glance
- Drive Torque: 4,500 - 15,000 in-lbs.
- Hold Torque: 11,800 - 38,720 in-lbs.
- Displacement (180°): 8.05 - 26.6 in³
- Operating Pressure: 207 Bar
- Normal Operating Speed: 1 - 3 RPM
- Fluid Type: Hydraulic Low-Lubricity
Product Details
HIGH POWER DENSITY
High drive and holding torque capabilities in a small, compact space claim.
LEAK AND DRIFT FREE OPERATION
Load holding valves (counterbalance valves) provide high holding torque to resist external loads.
ADAPTABLE GROUNDING TO MANY APPLICATIONS
Drop-in-ready installation is easy on existing or new applications.
The SM82 and SM45 featuring up to 180 degrees rotation with drive torque of 8,200 and 4,500 in-lbs. respectively.
Ready to Order
Oilgear is up to the challenge, regardless of your application. Our wide range of pumps are renowned for their longevity, dependability and durability–no matter the harsh environment. Find out more about all of the pumps we offer and how we can help be the solution for you.
Where To BuyTechnical Specifications
TORQUE VERSUS HYDRAULIC PRESSURE
The graph* shows a linear relationship between pressure and torque. It also highlights that at a given pressure, holding torque is higher than driving torque.
*The graph represents SM82 Torque vs. Pressure. Other actuators’ graphs scale similar.
MODEL SPECIFICATIONS
| MODEL | SM45 | SM82 | SM150 |
| Rotation | 180° | 180° | 180° |
| Maximum Drive Torque, in-lbs. | 4,500 | 8,200 | 15,000 |
| Maximum Holding Torque, in-lbs. | 11,800 | 21,000 | 38,720 |
| Maximum Straddle Moment, in-lbs. | 22,500 | 40,000 | 90,000 |
| Maximum Cantilever Moment, in-lbs. | 12,000 | 22,000 | 48,000 |
| Mounting | Foot, Custom | Foot, Custom | Foot, Custom |
| Radical Capacity, lbs. (kg) | 3,050 (1,383) | 4,700 (2,132) | 9,230 (4,187) |
| Axial Capacity, lbs. (kg) | 1,100 (499) | 1,500 (680) | 2,200 (998) |
| Approximate Weight, lbs. (kg) | 27 (12.2) | 37 (17) | 63 (28.6) |
| Approximate Displacement 180°, in³ (cm³) | 8.0 (132) | 14 (233) | 26 (426) |
| Threaded Mounting Hole, Shaft Flange, In, Deep (Metric, Deep) | 3/8 – 16 ↧ 0.54 (M10 x 1.5 ↧ 15.2) | 3/8 – 16 ↧ 0.54 (M10 x 1.5 ↧ 15.2) | 1/2 – 13 ↧ 0.75 (M12 x 1.75 ↧ 19.1) |
| Quantity of Mounting Hole, Shaft Flange | 6 | 8 | 8 |
| Bolt Circle Diameter, Shaft Flange, in. (mm) | 2.125 (54) | 2.625 (65) | 3.375 (85) |
| Clearance Hole for Shaft Through – Bolt, in. (mm) | 3/4 through (M20 through) | 1 through (M24 through) | 1 through (M24 through) |
| Housing Foot Clearance Hole, Required Bolt Size, in. (mm) | 5/8 (M16) | 3/4 (M20) | 1 (M24) |
| P1, P2 Ports, Housing, inch (metric) / V1, V2 Ports, Valve, in. (mm) | ISO-11926/SAE Series of ports. Sizes are 7/16. (ISO-1179-1/BSPP ‘G’ Series of ports. Available upon special request.) | ISO-11926/SAE Series of ports. Sizes are 7/16. (ISO-1179-1/BSPP ‘G’ Series of ports. Available upon special request.) | ISO-11926/SAE Series of ports. Sizes are 7/16. (ISO-1179-1/BSPP ‘G’ Series of ports. Available upon special request.) |
Product CatalogHelical Hydraulic Rotary Actuators SM Series Product Catalog |
Application GuideRotary Actuator Application Form |