New ejectors in vacuum generator series
04 October 2007
Both of the new versions in Rexroth’s EBS series - the EBS-PT compact basic ejector and the small EBS-PI inline ejector - have many similarities; yet have been optimised for different applications. Both types work according to the Venturi principle for single-stage vacuum ejectors, and they set themselves apart thanks to a strong vacuum with a simultaneous high suction capacity. Additionally, both ejectors are real light-weights that can be integrated into a pneumatics handling system both quickly and easily.
The construction of the ejectors contains no moving parts, making it wear and maintenance-free. Thanks to their light weight, the ejectors can be mounted close to the suction cups, enabling short evacuation times and reducing air consumption down to a minimum.
The Rexroth EBS series is available in two versions: EBS-PT and EBS-PI. Both are ideally suited for use in the electronics and packaging industries, as well as in automation. The larger EBS-PT version from Rexroth is particularly suitable for carrying out big jobs in sectors such as the automotive industry, paper industry, wood working industry, and sheet metal processing industry, whereas Rexroth’s smaller EBS-PI has been optimised for intricate handling tasks.
Rexroth’s EBS-PT is available in six performance levels with either a push-in fitting or threaded connection, offering numerous integration options for a variety of applications. Vacuum generator mounting can be done either directly via side holes in the housing, or alternatively by mounting it on a clip-on strip. The latter option enables simple and fast assembly of various ejector sizes on one strip.
The Rexroth EBS-PI ejector measures just 57mm long and 10mm in diameter, and is available with two performance levels. Compressed air is directed into the Rexroth EBS-PI ejector at one end, with the exhaust channelled out via side openings. This produces negative pressure creating a vacuum at the other end. Since the vacuum is created in an axial direction, the ejector can be integrated directly in the hose line via the press-fit nozzles at either end. This particular ejector from Rexroth is suitable for lifting small parts lined up closely to each other. This could be within the electronics industry, for example, handling SD cards.
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