Palstic Painting
Transcription
Palstic Painting
EISENMANN Plastics Painting This is EISENMANN EISENMANN designs and constructs plants for surface engineering, material flow automation, environmental engineering, firing lines for ceramics and specialized plants for coating, recycling, heat treatment and energy recovery. Approx. 2400 employees worldwide, half of which are engineers or technicians, develop new ideas for the fields of production, painting, assembly or distribution. Among them are experts and specialists with wellfounded know how in various areas of expertise and industry sectors. An advantage that is mirrored in tailored concepts with state-of-the-art technology and a high degree of economic efficiency. Another result of our efficient production and assembly strategies: Our production centers are tailored to the requirements of individual customers. They facilitate the production of a plant configuration especially adapted to your needs. When complex systems are involved, we install the entire plant in our house before we deliver it to put the plant to the acid test. Only when the preassembled function modules have passed the test run, will they be handed over to the customer. This method considerably saves time and cost for assembly and facilitates installation in your house without even interrupting the production process. EISENMANN Technology Center in Holzgerlingen Of course we will assist you even after commissioning, if you want: Our Aftersales Service provides for professional maintenance, short repair times and immediate procurement of spare parts. Contents Plastics Painting Systems 1 Pretreatment Plants 2 Spray Booths with Disposal Facilities 4 Practical Examples 6 Plastics Painting Systems Having delivered more than 250 painting systems for plastic parts, EISENMANN ranges among the leading system supplier of the industry sector. Among the plants delivered are the largest plants in Europe as well as the smallest plant for golf balls and the first plastics painting line for a consistent use of environmentallyfriendly water-based paint. First-class surface engineering quality without rejects is a demand placed on every painting system. Prerequisites are cleaning and pretreatment appropriate for the material as well as utmost cleanliness in all plant areas. material characteristics. Our customers paint glass-fiber reinforced polyester parts, colored or crystal-clear thermoplastics as well as foamed PUR parts. Examples are passenger car attachment parts such as bumpers, exterior mirrors or lenses, mounting parts for the interior of passenger cars, TV and VCR housings, mobile phones, sports equipment, phone booths and many other pieces of equipment. All the pretreatment, application, drying and material flow plant components are exactly designed for the different temperature sensitivities and deformation characteristics of the respective workpieces. For this reason, a primary objective is the consistent enforcement of dust-protection measures. Examples are enclosed plants with an optimally adjusted air balance, bottom-mounted conveyor systems, air showers and antistatic treatment of the workpieces with ionized air. EISENMANN offers target-oriented material flow systems with state-of-the-art control systems, automatic handling and user-friendly visualization systems especially adapted to the special conditions of plastics painting. Inside the spray booths, the paint mists are discharged systematically through a vertical air conducting system. Plastics painting lines are planned individually depending on the types of workpiece, throughput rates and To reduce emissions and disposal cost for exhaust air and waste water, we plan all the processes involved with integrated environmental engineering systems right from the start. Highest quality can only be achieved with utmost cleanliness, extensive supervision and inspection, and perfect systems engineering. Robots have gained acceptance in almost all fields of plastics painting. Even with small lot sizes and varying workpiece shapes they are used more and more. Always on the job: EISENMANN environmental engineering purifies exhaust air and waste water. 1 Pretreatment Plants To achieve optimum adhesion of the paint to the plastic, workpiece-specific cleaning and pretreatment is required. Since EISENMANN offers all the procedures, the optimum variant can be recommended impartially in each case. Cleaning Using Wet Chemical Methods Parts with a normal degree of soiling are cleaned through alkaline spray degreasing and then rinsed with DI water. This enhances the paint adhesion and removes tenside and salt residues that would affect the quality. More heavily soiled parts are degreased in two stages at higher temperatures and using higher spray pressures. If integrated separating agents must be removed, acidic cleaning agents are used. The workpieces are degreased and rinsed in two cycles, then rinsed again with DI water. Workpieces made of polyolefins are additionally submitted to a surface treatment consisting of a flame treatment, fluoridation or plasma treatment. EISENMANN is implementing the first plasma plant in "online" mode for an automobile manufacturer. The quality enhancement: Without any manual intervention and without touching the surfaces, the workpieces on their skids are transferred from the wet chemical cleaning system via the plasma treatment to the painting booth. Pretreatment and cleaning plant with skid conveyor Zone 1 Degreasing 1.5 bar heated Tunnel completely in stainless steel Zone 2 Rinsing 1 1.2 bar Zone 3 Rinsing 2 1.2 bar Zone 4 DI rinsing 1.0 bar Adjustable nozzles Spraying collar Tunnel insulation Skid conveyor Inspection hatch EISENMANN Basin insulation Stainless steel basin Sectional view of a pretreatment plant 2 Wastewater Screen Heat exchanger Filter Multi-stage cleaning plant (acidic cleaning agent) with water-saving cascaded track DI water Pretreatment plant with circular conveyor for reflectors of vehicle lamps For effective removal of water residues, blowing zones are installed at the exit of the pretreatment plant. If desired by the customer, an additional tilting and joggling zone can be installed for workpieces that tend to scoop matters (see fig. below). 3 Spray Booths with Disposal Facilities EISENMANN designs and constructs maintenance-friendly large-capacity spray booths made of stainless steel and glass for manual painting or painting by robots. They are optionally equipped with an integrated sludge removal unit through floor scrapers or with a central water trap. The most effective separator system is the cross flow current double venturi scrubber, the nozzle shape of which provides for an especially effective removal of the paint mists from the exhaust air. The downstream relief zones provide for an extremely effective separation of solids attaining values below those specified in the TA-Luft. Paint shop for exterior vehicle mirror housings To save expenses for fresh water and waste water, the water in the scrubber is circulated. Coagulated paint particles are continuously removed in external sludge removal systems. Especially for plastics painting systems, EISENMANN has developed tailored solutions with surface scrapers or decanters as sludge removal systems. Circulating spray booth water Painting vehicle attachment parts in China Circulating water trap When using water-based paints, the possibility of implementing the economical and environmentally friendly water-based paint recycling system via ultrafiltration should be taken into consideration. 4 Water recirculation in the partial flow Decanter Compressed paint sludge Large-capacity spray booth with cross flow current venturi scrubber and partial flow removal via a decanters Paint line for vehicle attachment parts with skid conveyor system Spray booths in clean room technology with air showers Plastics painting line for bumpers 5 Practical Examples coat Clear coat Base r Prime ading Unlo ing Load ent reatm t e r P Job Coating Systems This automobile supplier has already received the 4th EISENMANN plastics painting line for his broad scope of products ranging from large spoilers to small vehicle attachment parts. A comprehensive skid conveyor system is used for transport.. 6 Automobile Suppliers Plastic parts for special series automobiles are a specialty of this South German automobile supplier. The complex paint line with robot application and skid conveyor system they are using is just as flexible. 7 Practical Examples drier coat Clear ier er dr Prim er r dri Wate t r coa Clea ing Mask coat Base ding nloa /U g n di Loa er Prim nt tme trea Pree zon ing w o l B ater tew Was ve rati tion ene a Reg l oxid rma RTO e h t Automobile Manufacturer This Russian automobile manufacturer relies on EISENMANN quality: Bumpers and various plastic attachment parts are perfectly painted on two parallel largecapacity paint shops. The paint shops are designed for a production of 800,000 vehicles/year. 8 Coating of Polycarbonat Plastics instead of Glass High-transmission plastic parts are used instead of glass components more and more. These require sophisticated scratch-resistant coating under clean room conditions. Depending on the geometric data of the parts, the workpieces are either flooded or spray coated using robots. Photo left: Panorama roofs are flow coated on an EISENMANN line to achieve a first-class, scratch-proof and UV-resistant layer. Photo above: Coating line for the application of scratch proof paint on headlamp lenses, with automatic handling by robots. Photo above left: Flow coating line for headlamp lenses. Photo left: Spray coat line with robot for headlamp lenses. EISENMANN www.eisenmann.com Daimlerstrasse 5 71088 Holzgerlingen . Germany Phone +49 7031 78-0 Fax +49 7031 78-1000 [email protected] EISENMANN Service GmbH & Co.KG Tuebinger Strasse 81 71032 Boeblingen . Germany Phone +49 7031 78-3000 (6.30 - 18.30 h) Fax +49 7031 78-3200 [email protected] EISENMANN France S.a.r.l. Espace Lumière . 2, Rue Pathé 78406 Chatou Cedex Phone +33 1 30159800 Fax +33 1 30531009 [email protected] EISENMANN Italia S.r.l. Via Ferrari, 21 21047 Saronno (VA) Phone +39 02 96718-626 Fax +39 02 96718-629 [email protected] EISENMANN Corporation 150 East Dartmoor Drive Crystal Lake . Illinois 60014 . USA Phone +1 815 4554100 Fax +1 815 4551018 [email protected] EISENMANN U.K. Ltd. Unit 118 Severn House Anson Court Business Centre Staffordshire Technology Park Beaconside . Stafford Staffordshire ST18 OGB Phone +44 1785 283790 Fax +44 1785 283799 [email protected] EISENMANN do Brasil Avenida Duquesa de Goiás, 716 3° andar . Bairro Real Parque CEP: 05686-002 São Paulo SP Phone +55 11 21611200 Fax +55 11 37580030 [email protected] EISENMANN Shanghai Co. Ltd. Room No. 1705, Anta Office Building No. 107 Zun Yi Road Shanghai 200051 . P.R. China Phone +86 21 62362640 Fax +86 21 62362643 [email protected] EISENMANN S.A. DE C.V. Mexico Blvd. 15 de Mayo 2933 Fracc. Las Hadas 72070 Puebla, Pue. Phone +52 222 2311712 Fax +52 222 2498835 [email protected] O.O.O. GERUS Ul. Pyatnitskaya 47-1 119017 Moscow Russian Federation Phone +7 495 951-6824 Fax +7 495 951-5211 [email protected] EISENMANN Ingeniería S.A. Parc de Negocis Mas Blau Edificio Prima Muntadas c/Berguedà, 1 . Barcelona 08820 El Prat de Llobregat Phone +34 93 479-6610 Fax +34 93 479-6620 [email protected] Digi · July 2005 EISENMANN Anlagenbau GmbH & Co.KG Tuebinger Strasse 81 71032 Boeblingen . Germany