Catalog excerpts
Our helical rotary actuator in motion Helac product lines meet your individual needs L-Series LoadBear Offers integral bearings to carry heavy axial and side loads. Available with large diameter shaft flange with drilled and tapped bolt circle. T-Series TorqBear Offers a thru-shaft configuration for torque applications. Available with splined output shafts. Custom designs Over 50 percent of Helac’s rotary actuators for OEMs are customized to meet our customers’ application requirements. Construction equipment attachments Helac PowerTilt ® and PowerGrip® products increase the utilization of backhoes and excavators. Helac’s Quick Reference Guide Design Features Helical Rotary Actuators Operating Technology Helac actuators are designed to replace multiple components and function as a rotating device, mounting bracket and bearing, all-in-one. Helac’s innovative, sliding-spline operation technology converts linear piston motion into powerful shaft rotation. Each actuator is composed of a housing and two moving parts — the central shaft and piston. Helical spline teeth on the shaft engage matching teeth on the piston’s inside diameter. A second set of helical splines on the piston’s outside diameter mesh with the gear in the housing. The piston is completely bottomed out. Bars indicate starting positions of piston and shaft. Arrows indicate directions they will rotate. The housing with integral gear remains stationary. ENDING POSITION When hydraulic pressure is applied to the piston, it moves axially, while the helical gearing causes the piston and shaft to rotate simultaneously. Applying pressure to the opposite port will return the piston and shaft to their original starting positions. Construction Equipment Attachments L10 L20 L30 T20 PowerTilt PowerGrip Series Series Series Series Standard Configuration Machine Size STARTING POSITION To learn more about Helac Corporation: In the U.S. & Canada: Rotary actuators +1 800 327 2589 Construction attachments +1 800 797 8458 Torque Range in-lb Bearing Capacity High High High High Internal Leakage None None None None Helical, hydraulic rotary actuators Pressure Rating 200, 220 134, 180 Select Models Select Models Helac Corporation 225 Battersby Avenue Enumclaw, WA 98022 USA Shock Resistance High High High High U.S., Europe and other international patents may apply. © 2014 Helac Corporation. All rights reserved. Specifications subject to change without notice.
Open the catalog to page 1Our helical rotary actuator in motion Helac product lines meet your individual needs L-Series LoadBear Offers integral bearings to carry heavy axial and side loads. Available with large diameter shaft flange with drilled and tapped bolt circle. T-Series TorqBear Offers a thru-shaft configuration for torque applications. Available with splined output shafts. Custom designs Over 50 percent of Helac’s rotary actuators for OEMs are customized to meet our customers’ application requirements. Construction equipment attachments Helac PowerTilt ® and PowerGrip® products increase the utilization of...
Open the catalog to page 2We created the first load-carrying, helical rotary actuator. Today, we’re still leading the way. An inside look at how our helical actuator features set us apart Helac Corporation’s success began in the early 1980s when we focused our business solely on manufacturing helical, hydraulic rotary actuators. Our reputation and business grew rapidly because of the unique combination of features offered — high load-bearing capacity and torque output, shock resistance with zero leakage, and compact configurations. Today, over 1,000 OEM customers around the world rely on Helac to move, support and...
Open the catalog to page 3We created the first load-carrying, helical rotary actuator. Today, we’re still leading the way. An inside look at how our helical actuator features set us apart Helac Corporation’s success began in the early 1980s when we focused our business solely on manufacturing helical, hydraulic rotary actuators. Our reputation and business grew rapidly because of the unique combination of features offered — high load-bearing capacity and torque output, shock resistance with zero leakage, and compact configurations. Today, over 1,000 OEM customers around the world rely on Helac to move, support and...
Open the catalog to page 4We created the first load-carrying, helical rotary actuator. Today, we’re still leading the way. An inside look at how our helical actuator features set us apart Helac Corporation’s success began in the early 1980s when we focused our business solely on manufacturing helical, hydraulic rotary actuators. Our reputation and business grew rapidly because of the unique combination of features offered — high load-bearing capacity and torque output, shock resistance with zero leakage, and compact configurations. Today, over 1,000 OEM customers around the world rely on Helac to move, support and...
Open the catalog to page 5Our helical rotary actuator in motion Helac product lines meet your individual needs L-Series LoadBear Offers integral bearings to carry heavy axial and side loads. Available with large diameter shaft flange with drilled and tapped bolt circle. T-Series TorqBear Offers a thru-shaft configuration for torque applications. Available with splined output shafts. Custom designs Over 50 percent of Helac’s rotary actuators for OEMs are customized to meet our customers’ application requirements. Construction equipment attachments Helac PowerTilt ® and PowerGrip® products increase the utilization of...
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