Catalog excerpts
The ideal solution for coating of mass-produced small parts
Open the catalog to page 1The Rotamat – a coating system with unlimited possibilities DECORATIVE COATING Surface refinement with a multitude of decorative and functional paints, eco-friendly paints without solvent and single- or two-component special paints. Decorative coating of plastic Decorative coating of wood Decorative coating of metal components COATING WITH ANTI-BLOCKING AGENTS Reduces friction and prevents juddering and stickslip effects on small components like O-rings, sealing components or valve stems. Anti-blocking coatings also facilitate the separation of work pieces. Anti-blocking coating of gaskets...
Open the catalog to page 2COATING WITH A BONDING AGENT Creates a strong bond between the substrate and the elastomer. Available as single or double layer systems consisting of primer and cover. Application of bonding agent on half-shells Application of bonding agent on shaft seal rings Application of bonding agent on metal sleeves COATING FOR CORROSION PROTECTION Places a protective coating on the work pieces without hazardous chemicals. For example, compared to dip spin coating, the helical thread of small and micro screws remains open and smooth. Corrosion protection coating of screws Corrosion protection coating...
Open the catalog to page 3Efficient and cost effective coating of mass-produced small parts The Rotamat technology for coating of small parts is a so-called “hot drum” system with the coating process taking place in a closed spraying chamber. Glimpse into the spraying chamber In this highly efficient and cost effective system a batch of raw, uncoated work pieces is placed into a rotating drum located in a protective housing. One, respectively, two automatic spray guns are evenly applying the coating material on the work pieces, which are continuously tumbling over each other. The work pieces can be made of various...
Open the catalog to page 4THE DRUM In order to achieve perfect coating results the work pieces must be tumbling continuously. Important is that the particular tumbling characteristics of the different work pieces are taken into account. The special drum geometry, the infinitely adjustable rotary drum speed and tilting angle generate the optimal tumbling and mixing characteristics of the work pieces. The coating process itself is fully automatic. The costly and time-consuming placement of the work pieces on special racks – as required with conventional coating systems – has been completely eliminated. For optimal edge...
Open the catalog to page 5INLET AND EXHAUST AIR SYSTEM To bring the work pieces to their optimum temperature, warm and turbulence-free air is guided into the rotating drum during the entire coating process. The work piece temperature is directly measured and controlled by an IR sensor on a continuous basis. The air temperature and air volume are not only determined by the work piece material, geometry and type but also by the respective paint specifications. The injected air ensures that the volatile materials generated during the drying process are safely removed from the system. The pre-set negative pressure in the...
Open the catalog to page 6ACCESSORIES PAINT PRESSURE VESSELS To achieve an even, homogeneous spray pattern, the coating material must be transported without any pulsation. For this purpose special pressure vessels in different sizes, up to 45 liters, are utilized. Extra features like lid lifts, rinsing systems, etc., can also be supplied. COLD AIR GENERATOR For some paint applications requiring very high temperatures in the rotating drum, it may become necessary to cool the coating material to prevent blockages in the supply line. DRUM CLEANING DEVICE After a certain number of coating cycles (depending on the...
Open the catalog to page 7Rotamat R 60 Usable volume 2 to 15 liters, respectively max. batch weight 25 kg. Manual tilting of the drum. R 60 in working position with closed drum cover Drum in discharge position and discharge table Loading of the drum with uncoated work pieces Discharge of the coated work pieces
Open the catalog to page 8Rotamat R 80 Usable volume up to 50 liters, respectively max. batch weight 50 kg. Mechanical tilting of the drum with electric motor. R 80 in working position with closed drum cover R 80 with open drum cover Drum exchange Optional sound enclosing cabin with air extraction system
Open the catalog to page 9Rotamat R 90 C Usable volume up to 75 liters, respectively max. batch weight 100 kg. Mechanical tilting of the drum with electric motor. Two-hand safety operation for opening of the drum cover. R 90 C with closed drum cover R 90 C with open drum cover
Open the catalog to page 10Technical Data ROTAMAT Drum tilting angle in ° INLET AIR SYSTEM Air volume max in m3/h EXHAUST AIR SYSTEM (4 stages) Air volume max in m3/h Dimensions of the control panel: 1.400 x 500 x 2.000 L x W x H in mm USABLE DRUM VOLUMES 100
Open the catalog to page 11Walther Trowal GmbH & Co. KG Rheinische Straße 35-37 | D-42781 Haan Tel. +49(0)2129-571-0 | Fax +49(0)2129-571-225 info@walther-trowal.com | www.walther-trowal.com Technical modifications reserved 02 / 19 www.promise-marketing.de
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