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Options make screw driven linear actuator versatile
The wide range of screw options available with the new PSD80 screw driven linear actuator is one of the reasons why it is so versatile. A high lead model for example allows direct coupling of a stepper motor providing a particularly cost effective solution. The unit can also be specified with opposing left and right hand carriages as a 'double acting' version. As a result the application scope of this newcomer ranges from light pick and place and assembly operations involving XYZ movements to instrument positioning systems. And in 'double acting' format it is ideal as a specialised door and shutter opening and closing mechanism.
The PSD80 was primarily developed by HepcoMotion around the need for a low cost Z axis for lighter load applications. It is designed to complement the company's established PSD120 ball screw actuator and PDU2/PDU2M belt driven units. By comparison, with many other products on the market, the PSD80 requires little or no maintenance, providing long and reliable service even without lubrication. The new addition incorporates a screw drive with a range of lead options from 4mm to 70mm, with the 25mm lead being particularly useful for Z axis applications, where higher speed pick and place performance is required the 70mm lead can satisfy this need.
When directly coupled to a stepper motor the 70mm lead screw option will allow speeds approaching 1m/sec. Its competitive price makes it a viable alternative to single position pneumatic-driven Z axes. Indeed for such an application the PSD80 provides better response time as well as greater consistency and positioning accuracy.
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