Motorized Linear Actuator combines drive, guidance functions.

Press Release Summary:

Model SAA06 Motorized SplineRail(TM) utilizes precision rolled lead screw, supported by bearings and contained within concentric extruded aluminum spline, driving integrated composite polymer nut/bushing. KerKote® TFE coating and self-lubricating Kerkite® nut/bushing material lend to extended life expectancy. When mounted vertically, SplineRail can also be used to simultaneously lift and rotate (Z-theta motion). Actuator uses Haydon(TM) Size 17 single or double stack stepper motor.

Original Press Release:

Haydon Kerk Motion Solutions Introduces the SAA06 Motorized SplineRail Linear Actuator

Waterbury, CT - Haydon Kerk Motion Solutions, Inc., a premier manufacturer of engineered linear motion products, introduces the SAA06 Motorized SplineRail(TM) Linear Actuator. Linear motion has traditionally required separate components to handle both drive and guidance. The compact SplineRail simplifies this by combining both functions in a single, coaxial component.

The Motorized SplineRail utilizes a Kerk® precision rolled lead screw, supported by bearings and contained within a concentric aluminum spline, driving an integrated Kerkite® composite polymer nut/bushing. The extruded aluminum spline offers excellent torsional stability. KerKote® TFE coating and self-lubricating Kerkite nut/ bushing material ensure long life and zero maintenance. The motorized version of the SplineRail uses the Haydon(TM) Size 17 single stack or double stack stepper motor.

When mounted vertically, the SplineRail can also be used to simultaneously lift and rotate (Z-theta motion). With one motor driving the screw and a second rotating the rail, a compact, self-supporting pick and place mechanism can be created. Screw leads are available from 0.05" to 1.2" per revolution providing a wide range of performance profiles, including self-locking threads that can support a load without external power or breaks. Haydon Kerk specializes in custom solutions and the SplineRail is a versatile platform to build upon.

Typical applications include pick-and-place mechanisms and robotic assemblies in life sciences instrumentation, semiconductor equipment, business machines, packaging and assembly, and a wide range of factory automation applications. Combined with Haydon Kerk's broad offering of motion control components, the Motorized SplineRail can be used to create custom systems for many types of motion. High reliability without the need for maintenance or adjustment makes the SplineRail well suited to the demands of industry.

For more information, visit or call direct at 203-756-7441.
About Haydon Kerk Motion Solutions, Inc.

Haydon Kerk Motion Solutions, Inc. is the joining of two world class brands in the field of linear motion; Haydon Switch and Instrument, Inc. and Kerk Motion Products, Inc. Together, the company now offers a broad range of linear motion products. Recognized as a leading manufacturer of stepper motor based linear actuators, rotary motors, lead screw assemblies, and linear rail and guide systems used in niche market applications, Haydon Kerk Motion Solutions offers a wide range of high performance and precision products. Haydon Kerk Motion Solutions has developed industry-renowned brands built upon its technical innovation, versatility, customization, product durability, and dedicated customer service. For more information, please visit our website at

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