Linear actuator uses reverse configuration
A
Parker-Origa product story
Edited by the Engineeringtalk editorial team
Dec 6, 2005
A form of linear actuator has been developed by Hoerbiger-Origa that provides highly dynamic vertical motion of loads.
A linear actuator developed by Hoerbiger-Origa provides highly dynamic vertical motion of loads.
Based on the belt-drive principle, the OSE-BV is designed so that the carriage is fixed and the cylinder moves - the reverse of the usual configuration.
The load is most likely to be positioned at the lower end of the cylinder, although other locations are easily accommodated, and may for instance be a gripper jaw, such as used in a small parts pick-and-place robot.
The carriage houses the drive motor (typically a servo, but with stepper and induction motor options), gearbox and drive shaft that form the prime mover of the actuator.
It also contains a pair of idler wheels over which the drive belt passes to engage with the drive shaft.
In conventional fashion, the belt extends the length of the cylinder; in this case the pulleys at both ends being idlers rather than driven.
An integral ball bearing guide ensures smooth motion of the actuation.
It has a low dynamic weight because the relatively heavy carriage forms a static load.
These factors allow high speed operations to be sustained, such as is required in a high volume packaging line, and means that the space required, even for a multi-axis system, is low.
It is available in 20mm and 25mm bore sizes, with larger sizes up to 64mm being introduced in early 2006.
The standard stroke length is 500mm but virtually any length can be specified up to 1000mm with specials available above that.
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Contact Parker-Origa
Tel (UK) 08700 600 655
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