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Roller Screw Linear Actuators

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NSK's Linear Guide for Contaminated Environments

Ingenuity in the Science of Engineered Motion

Exlar Corporation is perfecting the design and manufacture of linear and rotary actuators for motion control applications.

Exlar's patented Roller Screw technology provides an electro-mechanical replacement for your hydraulic or pneumatic cylinders. These digitally-controlled products eliminate the heavy maintenance requirements of fluid power actuators.

Compared with other electro-mechanical actuators, Exlar's roller screw technology offers many times the life of ball screws. Try an Exlar product today, and you, too, will see that their solutions extend beyond conventional motion control.

Why Consider Roller Screw Technology?

A roller screw is a mechanism for converting rotary torque into linear motion, in a similar manner to acme screws or ball screws. But, unlike those devices, roller screws can carry heavy loads for thousands of hours in the most arduous conditions. This makes roller screws the ideal choice for demanding, continuous-duty applications.

The difference is in the roller screw's design for transmitting forces. Multiple threaded helical rollers are assembled in a planetary arrangement around a threaded shaft, which converts a motor's rotary motion into linear movement of the shaft or nut.

Roller Screws vs. Hydraulic and Pneumatic

In applications where high loads are anticipated or faster cycling is desired, Exlar's roller screw actuators provide an attractive alternative to the hydraulic or pneumatic options. With their vastly simplified controls, electro-mechanical units using roller screws have major advantages. They do not require a complex support system of valves, pumps, filters and sensors. Thus, Exlar units take up much less space and deliver extremely long working lives with virtually no maintenance. Hydraulic fluid leaks are non-existent. Noise levels are reduced significantly. Additionally, the flexibility of computer programmed positioning can be very desirable in many applications.

Call MSI Tec today at (866) 397-7388 for more information and pricing on any of Exlar's products, or fill out a Request for Quote form.

   

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