HSI is proud to offer a Size 11 hybrid external linear actuator, the latest addition to its growing hybrid motor line. The rotating stainless steel acme lead screw is incorporated into the motor's rotor. Shaft to lead screw couplings are not needed with this design, thus saving time, money and labor during assembly into the final application. HSI's external linear actuator replaces four different components - a motor, coupling, lead screw, and nut.
The nut on the external linear actuator uses the same high performance engineering thermoplastics as the rotor drive nut of HSI's non-captive and captive designs. This feature ensures trouble free, exceptional long life operation for use in high precision applications. This external linear hybrid actuator is available in a wide variety of resolutions ranging from 0.000125¡± (.003175 mm) to 0.002" (.0508 mm) per step and delivers thrusts of up to 25 lbs. (11.5 Kg) without compromising long life or cost. A standard size 11 external linear has 4" of visible lead screw, however lead screw length, coil termination, and the external nut can be customized to fit your application requirements.
In this design, the lead screw is an integral part of the motor with a mating nut translating along the screw. As the motor steps, the lead screw rotates but does not advance. This is the best overall design approach for obtaining linear travel in confined spaces. The lead screw end can be machined to allow the use of out-board bearing support for long lead screw lengths.
Applications requiring precise positioning and rapid motion are best suited for this motor. Typical applications include medical equipment, X-Y Tables, automation of any kind, valve control and many more. Competitively priced, this product is ideal for drop-in replacements to improve performance and life or for incorporation into your next project. In addition to standard configurations, HSI can custom design this motor to meet your specific application requirements.
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