Whether in medical engineering, the semiconductor industry, in laboratory and development environments or in other areas – parts produced in small quantities often have to meet the highest cleanliness requirements. For such cases, acp systems has developed two new CO2 snow-jet booths suitable for cleanroom use. These enable high-purity workpieces to be cleaned in a manual or semi-automated process with the quattroClean technology.

Components for high-purity applications, for example in medical engineering, laser technology, semiconductor supply industry, precision optics and metrology could hardly be more varied. And yet they share common features such as low production volumes, high workpiece diversity and, above all, extremely high demands on surface cleanliness. This involves the removal of particulate and filmlike contamination and, depending on the industry, possibly biological and ionic contaminants as well as organic and inorganic residues. Research and development departments are also confronted with these requirements. Conventional parts cleaning solutions are usually designed for much larger quantities and in some cases – such as with wet-chemical cleaning – may reach their limits as far as process capability is concerned.

Compact CO2 snow-jet booths suitable for cleanroom use

With the new manual and automated JetStation-HP booths, acp systems AG supplies compact cleaning solutions for these use cases with quattroClean technology. The closed, sound-proofed stand-alone units are made entirely of stainless steel. They are only equipped with components and materials used in cleanroom applications. When designing the process chamber, attention was paid to ensuring that detached contaminants and carbon dioxide are removed quickly and effectively by the integrated extraction system and that no dirt pockets can form. This prevents the cleaned parts from becoming recontaminated.

For both booth models, a system for monitoring the CO2 concentration in the working area comes as standard. If the set limit value is exceeded, the carbon dioxide supply is automatically switched off and an error message is displayed.

The manual JetStation-HP is loaded and unloaded via the front flap with hand access and is suitable for both seated and standing workstations. The cleaning process, in which the part is guided to the nozzle by the operator, can be started conveniently via a foot pedal.

If higher requirements in terms of process reliability and/or part geometry must be met, the automated JetStation-HP is used. With this model, the part to be cleaned is advanced through a door which can be automated and placed in a receiver mounted on an x/y-axis system, rotary table, or combination of both, in the process chamber. The part-specific cleaning program stored in the system control unit is started at the push of a button. The process then runs fully automatically, with all parameters such as movements of the receiver, speed, force and duration of the jet, distance between nozzle and workpiece kept constant as specified in the parts program. In addition, the automated JetStation-HP model has a sensor system for monitoring the cleaning process, which continuously measures the density of the snow jet.

Plug & play concept for rapid deployment

The plug & play concept makes the JetStation-HP cleaning booths quick and easy to put into operation. All the technology for the snow-jet process and media preparation is integrated in the system housing, meaning that only the carbon dioxide and compressed air supply need to be connected up.

The quattroClean technology – four effects for clean surfaces

The cleaning medium used in the QuattroClean process developed by acp systems is liquid carbon dioxide, a by-product of industrial processes and thus climate-neutral. It is guided through a wear-free two-component ring nozzle and expands on exiting to form fine CO2 snow. This core jet is then bundled by a separate jacketed jet of compressed air and accelerated to supersonic speed. When the easily focused jet of snow and compressed air impacts on the surface to be cleaned, a combination of thermal, mechanical, sublimation and solvent effects occur. The interaction of these four mechanisms of action removes particulate and filmlike contamination in a reliable and reproducible process. During the cleaning step, the crystalline carbon dioxide is completely transformed from a solid to a gas, meaning that parts are instantly dry.

The cleaning process is so gentle on materials that it can even be used to clean delicate and finely structured surfaces. The dry quattroClean technology is suitable for parts made from practically any technical material and combination of materials.

acp systems AG, www.acp-systems.com

Über die acp systems AG

Founded in Stuttgart in 1997, acp systems AG is today one of the international market and technology leaders for efficient CO2 snow jet cleaning. The company’s patented quattroClean technology enables dry, material and resource-saving removal of particulate contaminants and film-type residues from virtually all engineering materials. The dry process also opens up the opportunity to clean electronic and electromechanical components reproducibly. The scalable and Industry 4.0 capable quattroClean process can be easily adapted to different component geometries for full-surface or partial cleaning, e.g. where sealants and adhesives are applied or for welding, bonding, coating or assembly steps. Another core competence of acp is the automation of cleaning processes and their integration into linked production, assembly and coating lines.

Firmenkontakt und Herausgeber der Meldung:

acp systems AG
Berblingerstr. 8
71254 Ditzingen
Telefon: +49 (7156) 48014-0
Telefax: +49 (7156) 48014-10

Doris Schulz
Public Relations
Telefon: +49 (711) 854085
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