Product category:
Electric Linear Actuators
News Release from: Parker Hannifin Electromechanical Automation | Subject: ER series rodless actuators
Edited by the Engineeringtalk Editorial
Team on 29 February 2000
Rodless actuators provide more compact
solution
Parker Hannifin's latest-generation rodless actuators provide compact solution for programmable linear positioning
A new series of electric rodless actuators from Parker Hannifin's Electromechanical Division provide the ideal solution for users seeking a low-cost means of implementing programmable linear motion control Known as the ER series, the actuators are all characterised by a compact design envelope, and are available in an exceptionally wide range of configurations, making them a very versatile component for automation systems
This article was originally published on Engineeringtalk on 24 Feb 2000 at 8.00am (UK)
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Different configurations within the ER range can accommodate positioning speeds of over five metres/second, ±0.012mm repeatability, and loads of more than 2,200N.
The actuators can be supplied in any of 47 standard lengths, from 50mm to 3,300mm.
Parker's ER series actuators are suitable for a wide range of programmable positioning tasks, especially where speed or high resolution and repeatability are prime requirements.
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Typical applications include feed-to-length, parts shuttling and coil winding systems.
The actuators are available with 32mm or 50mm profiles, a choice of seven metric ISO mounting options, and a variety of motor configurations - including in-line, parallel and reverse-parallel.
There is also a choice of drive mechanisms; users can elect to use ballscrew drives for applications demanding high positional accuracy or thrust, or belt drives when positioning speed or low cost are the principal considerations.
A wide range of ballscrew pitch options and drive ratios further simplifies applications matching.
All ER series actuators are housed in a rugged, extruded aluminium body which has integral T-slots to allow for easy mounting of home and limit switches.
The load-bearing platform is attached to the ball nut within the body of the actuator itself, and runs on an anti-rotation carriage equipped with high-efficiency roller bearings.
For heavy duty applications that require a very high load capacity, the actuators are also available with precision square rail bearings.
A unique feature of all ER series actuators is a stainless steel strip seal to guard against particle contamination, which is held to the body of the unit by magnetic strips.
Parker offers a choice of stepper drives and motors for use with ER series actuators, as well as a range of brushless servos for ultra high performance applications.
A wide range of accessories includes hall effect and reed switch position sensors, a linear potentiometer for absolute position feedback, and an electrically operated brake.
The actuators can also be supplied to special order with non-standard stroke. Request a free brochure from Parker Hannifin Electromechanical Automation ...
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