The high quality of these coatings results from the typical characteristics of the coating process, ie moderate particle temperature and high kinetic energy [5]. We have four ways to reduce the thickness in CED system and which I have described in my previous query and I have tried all except reduction in dipping time. The oven achieves perfect temperature uniformity. FAST Heat up and EXCELLENT Temperature UNIFORMITY. Thanking you. In my opinion may the conductivity of ED bath is too low. "palette": { Electro coat systems are highly automated and provide exceptional correction protection with modest environmental emissions like other surface coating process. Coating thickness was obtained in deposit up to 49 μm for different plating conditions. The zinc electroplating process can be used to coat nuts, bolts, washers and automotive parts, such as interior components and gas filters. Electrocoating: a Guidebook for Finishers It often happens that due to cost reasons, producers change the mineral filler included in the original formulation to a cheaper grade locally available. I can't reduce the NVM as it is already on lower side (standard is 12-14 %). Infrared system often allows the throughput of powder coating line to be increased. Powder coatings that are applied for decorative purposes use electrostatic spray application equipment. Please check the pH is per your supplier's standard. or Reduce solvent level is only way to reduce DFT. by ALKALINE … Generally rupture limit of CED is more the equal to 350 volt. The exact nature of a particular paint line and the specific equipment used is determined by the job to be done. The process works on the principal of "Opposites Attract". If you will use Sixth generation CED Paint Your problem will resolve. EEIPL had strong experience in executing the CED projects for various customers pan India. With its rich experience we are very much adaptive to the customer requirements to offer the best technical solutions at the most competitive price. 3: Although it may not possible to reduce the dip time in your system but my suggestion is to reduce the dip time any way; will save the cost & energy and also help to reduce the ED thickness. TANK-1 DEGREASING TANK-2 WATER RINSE-I TANK-3 DERUSTING TANK-4 WATER RINSE-II TANK-5 SURFACE ACTIVATION TANK-6 PHOSPHATING TANK-7 WATER RINSE-III TANK-8 PASSIVATION DEGREASING Room Temperature Process, Duration-30-40 Minutes, For-Cleaning the Sheet Metal Surface of grease, oils, soils, lubricants, oxide films, Heat Treatment/welding Scales etc. by Electrocoat Association You need to check if the voltage displayed is the same as the voltage applied on the component. regards, A. Dear Manish, Thanks again for your suggestion. Here are a few of the advantages of outsourcing with PPG Coatings Services: Project Analysis: PPG Coatings Services will assist with development and then support the most effective process to meet and exceed the customer's goals. We are manufacturing wide range of products like Reciprocators (Single or Double axis version), Automatic Feeding and Sieving Machines, Powder Coating Guns, Powder Curing Ovens, High Voltage Monitors, L.P. Gas Fired Tube Heaters etc... We have our own state-of-the-art manufacturing facilities in our factory located in Chennai, Tamilnadu. A. Dear Manish, Please check calibration of displays & DFT meter etc, then change any variable one by one and note the impact/ results. Powder Coating is a method of applying a protective or decorative finish onto a manufactured product. It can range from a simple spray booth with a batch oven for cure to a fully automated system that allows continuous pre treatment, application and curing. So assume that it's the same as you have. By reducing the bath conductivity Belt conveyor, Chain-on-edge conveyor and overhead conveyor are used in powder coating systems. Please check the Solvent level of the bath and co relate with the production trend You may be feeding the bath in the higher rate , that means your bath will be fresh and that's why you are getting high DFT. If you need a product/service, please check these Directories: Jobshops Capital Equip. Polypropylene materials have low moisture absorption accommodates high and low extremes and has excellent thermal insulation properties. CED PLANT STRUCTURE: The UNIT 1 is exclusively designed for CED Coating and is deployed with advanced systems to carry out the process as: Generally, DFT depends upon deposition time, voltage, micelle size and surface charge ratio. The heating process also occurs with exceptional uniformity throughout the load. A discussion started in CED bath parameters : pH 5.90-6.10 Conductivity 960 micro Siemens. Vac-pumping twice and hold on for 3-5 minute, and then, to pull out metal material. It can be welded and thermo formed mechanically resistant and ideally suited to environments, most efficient and cost effective tank design for your application, they are also chemical corrosion resistance. Please check that the conductivity conforms to prescribed levels per supplier data sheet. As far as temperature is concerned our standard is 28-30° C. and I have reduced it to 27 from 30 but still the thickness is coming high and I am surprised that at lower voltage (140 V), low NVM(9.41 %) and low conductivity (960 ms), I am getting high thickness (26-32 microns). A. Dear Mr. Manish, The change should be economical, not increase the wastage of energy or material. Cathodic electrodeposition (CED) process is one of the most important coating methods to protect electrically conductive substrates against corrosion. We handle all major engineering processes that include Iron Castings, Aluminum Die castings, CNC Machining, sintering ,Welding and sheet metal fabrication.Our related commodities In-house tool room takes cares tooling needs of entire group and makesure on time development of products. To reduce dry film thickness we must concentrate on voltage (280-320), process time (120-130 secs), pH (5.8 to 6.0), conductivity(1200-1600), Meq-24to28, NVM-18 to 22, anolyte conductivity- 500 to 700, voltage rampup time has been separated to 3 stages (10,5,5), hold on (30,25,55), solvent%- 1 to 2. } Thanks for your valuable suggestions. 1500A 40V IGBT WATER TREATMENT POWER SUPPLY. So you can maintain pH within 5.50~5.70. Thus, finding an optimal solution based on experimental configuration is tedious and time consuming. Surfin Process Engineering Team has vast experience of designing and commissioning of more than 30 Electro-Deposition Lines. CED Painting Plant: Electrocoating, which is also referred to as electro deposition, electrophoretic deposition, CED Coating, CED Painting or electropainting, is an organic finishing process that uniformly applies thin-film primers and one-coat finishes to metallic substrates. Dear Asif, you will get lower DFT if not cut it another half. The ability to coat complex surface evenly allowing end users to maximize performance and minimize cost. 5.Ratio F1 to F2 is 1:10, I also used the latest technology of ED Paint, which is Acrylic CED-Lead Free. You should must ask your supplier for that. Q. I'm working on a cathodic electrodeposition (CED) project. I can't reduce the dipping time in bath as I have some restriction. It is crucial that this process be closely monitored and followed per the supplier's recommendations. The coating done through this process gives corrosion protection to ferrous components and it can give colors like gold, black or olive drab finish, by post treatment. It is exceptionally stress and crack resistant, with excellent dielectric properties as well. The deposition thickness is related to the bath temperature, so by reducing this and keeping all other properties constant you will reduce the thickness. Also the flow properties are affected negatively by a bad dispersion. elements_selector: "iframe" The e-coat process can be divided into these four distinct zones: Pretreatment Electro coat Bath and Ancillary Equipment Post Rinses Bake Oven A. Dear, PON-E CED / ED Coating Plants. Reduce the electrode quantity and increase the distance in between the electrodes. A first step to reduce the effort is to model the application within the framework of a simulation e I can't reduce the anolyte conductivity as on reducing this fungus/bacterial growth is taking place. How Google uses data when you visit this site. Purge of permeate to reduce solvent content. Manpower is our primary asset. If the filler is not dispersed properly, you will find agglomerates that are actually much larger than the original particle size of the filler. Pretreatment process. 1400). 1. It is an immersion coating process used to apply a thin controlled coating on metal parts. The important parameters for the success of this process are: The film thickness; The rate constants on the applied voltage, bath temperature and resin concentration in the electrodeposition bath; The deposition parameters have been known to have a great effect on the cathodic electrodeposition process and the protective properties of the coatings. Controller ) of the most common type of anode cells and type of anode pvc! The DFT - are getting worse the specification the user provides to the customer requirements to the. Solvent level is only way to reduce DFT pon-e curing oven are known to best. 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