Small claims for hybrid external linear actuator
A
Servotechnic product story
Edited by the Engineeringtalk editorial team
Feb 23, 2005
The Haydon Size 8 hybrid external linear actuator is the newest compact addition to the extensive line of award winning motors available from Servotechnic.
The Haydon Size 8 hybrid external linear actuator is the newest compact addition to the extensive line of award winning motors available from Servotechnic.
The compact size of 21mm square makes this the world's smallest linear actuator.
Haydon's external linear actuator replaces four different components - a motor, coupling, lead screw and nut.
Shaft to lead screw couplers are not needed with this design, thus saving time, money and labour during assembly into the final application assembly.
The rotating acme stainless steel lead screw is incorporated into the motor's rotor.
This external linear hybrid actuator is available in a wide variety of resolutions ranging from 0.0015 to 0.04mm per full step and delivers thrust of up to 4.5kg without compromising long life or cost.
A standard size 8 external linear actuator has 4in of visible lead screw; however lead screw length, coil termination and the external nut, can be customised to fit 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 outboard 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, instrumentation, 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 new projects.
In addition to standard configurations, custom designs can be made to meet specific application requirements.
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