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“Aircenter” – compact, energy-saving compressed air systems


Adapting compressed air in dental clinics to meet CAD/CAM demands


Dental clinics ideally prefer to operate their own complete CAD/CAM system, allowing them to perform in-house machining of dental implants. Successful integration of a milling centre into the clinic necessitates review, and in many cases, upgrading of the compressed air supply. The “Aircenter” from Kaeser provides the perfect solution...

The vast majority of CAD/CAM systems require a compressed air connection. And although most dental clinics are already equipped with a compressed air supply, integration of a CAD/CAM system usually results in increased compressed air demand – most notably the required pressure in the connection line. Modern systems often require minimum pressures of 7 bar, just to ensure proper mounting of the cutting tools. Perfect tool changes, cleaning of the work area with compressed air and appropriate cooling of the workpiece are all essential to produce a flawless result: in this case, a high-quality framework for a bridge or crown.

Although it’s possible to adjust the quality of the compressed air produced by the existing system using dryers and filters, the pressure itself cannot simply be increased. If the compressor has not been factory-designed for the pressure requirements, nothing can be done subsequently to “adjust” it. Many factors must be taken into account to solve this problem. Unauthorised modifications to equipment not only void the warranty; this practice also leads to increased wear – not to mention safety risks. Simply installing an additional or larger reciprocating compressor won’t meet the higher compressed air demands of a dental clinic’s CAD/CAM system either. Furthermore, the milling centre (with its high compressed air demand) should ideally be constantly loaded, preferably around the clock, including weekends. These demanding operating conditions also preclude extended periods of compressor downtime, such as for cooling and regeneration of the compressed air dryer.

Dependable continuous operation

Thankfully there’s a solution: the Aircenter from Kaeser. Tailored specifically to meet the needs of dental clinics, Aircenter models feature a rotary screw compressor designed for continuous operation that is easily able to meet increased compressed air demand. Requiring minimal installation space, these compact units save on planning and installation costs and also deliver a reliable and cost-effective supply of quality compressed air that is perfectly suited to meet the needs of the specific application.

At the heart of the Kaeser Aircenter is a special rotary screw compressor from Kaeser’s proven SX or SM series, depending on the model. Providing even more air than their predecessors, the SX 3 to SM 15 models cover a huge free air delivery range from 340 to 1500 l/min at 7.5 bar. A thermally shielded refrigeration dryer and an integrated filter ensure a dependable supply of dry, clean and oil-free compressed air; depending on the version, the compressed air is stored in either a 200 l or 270 l air receiver). The compressor, dryer and air receiver are all integrated within a single housing.

Since the Aircenter is based on a modular design, each individual component is also available as a separate stand-alone product. This a huge advantage: if the intended installation location or transport restrictions prevent installation of an Aircenter, an equivalent compressed air station comprising these individual components can be installed on-site.

Flexible compressed air volume adjustment

The specialists at Kaeser understand that each individual dental clinic has different needs. Units equipped with the SM 12 rotary screw compressor are therefore also optionally available as a variable-speed (SFC) version with a frequency converter. This valuable option allows for flexible adjustment of compressed air delivery in response to the widely fluctuating compressed air demands that are associated with dental clinic applications. Units with greater output values are capable of meeting the compressed air requirements of the entire dental clinic, not just those of the CAD/CAM system. They are therefore able to provide an uninterrupted supply of compressed air, making issues with production processes (especially sandblasting) and higher labour and material outlays a thing of the past.

The effective sound dampening and low speeds of Aircenter units translate into remarkably low noise emissions, which have been reduced to either 59 or 65 dB (A), depending on the unit. As dental clinics are often housed in buildings with other tenants, mechanical vibration and structure-borne sound are further important aspects to consider, especially in light of 24-hour operation. With this in mind, the Aircenter once again provides the perfect solution.

A-Aircenter-dentalKaeser's compact 'Aircenter' systems combine ultra-quiet, vibration-free performance with exceptional power and efficiency for air deliveries from 0.3 to 1.5 m³/min.

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