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. Electrocoating resembles electroplating in that it utilizes an electrical current to deposit a coating onto substrates. However, electrocoating deposits water born paint onto substrates rather than metal ions.
The overall process consists of four main process steps: Pre-treating, Electrocoating, Rinsing, and Baking. The electrocoating process may be anodic or cathodic, depending on the charge applied the substrate. Although the processes are virtually the same, properties of the resultant coating are dissimilar. Anodic systems, which were the first to be used for electrocoating, apply paint to positively charged substrates. The negatively charged pigment and resin particles deposit onto the substrate (anode). One disadvantage of this process is that substrate metals dissolve and become incorporated into the coating, which affects surface properties. Cathodic electrocoating deposits paint onto negatively charged substrates and offers several advantages over anodic electrocoating. For example, metal dissolution of the substrate does not occur, cathodic electrocoating has the ability to deposit over contaminants, corrosion resistance is improved, and a better color consistency occurs over welded areas.
CED Process:
The electrocoat process can be divided into four distinct steps:
1. Pretreatment
2. CED/Electrocoat Bath
3. Post Rinses
4. Baking
Pretreatment – cleaning and phosphating the metal
The pretreatment zone cleans and phosphates the metal to prepare the surface for electrocoating. Cleaning and phosphating are essential to achieving the performance requirements desired by today’s end user of the product. A high quality zinc phosphate system using the immersion method is primarily used where steel and iron parts are to be coated.
CED/Electrocoat Bath – applying coating in bath
The electrocoat bath and ancillary equipment zone is where the coating is applied and the process control equipment operates. The electrocoat bath consists of 80-90% deionized water and 10-20% paint solids. The deionized water acts as the carrier for the paint solids which are under constant agitation. The solids consist of resin and pigment. Resin is the backbone of the final paint film and provides corrosion protection, durability and toughness. Pigments are used to provide color and gloss.
Post Rinses - rinsing off excess paint solids
The post rinses provide both quality and conservation. During the electrocoat process, paint is applied to a part at a certain film thickness, regulated by the amount of voltage applied. Once the coating reaches the desired film thickness, the part insulates and the coating process slows down. As the part exits the bath, paint solids cling to the surface and have to be rinsed off to maintain efficiency and aesthetics. The excess paint solids are called “drag out” or “cream coat.” These excess paint solids are returned to the tank to create a coating application efficiency above 95%.
Baking Oven – thermally curing the paint film
The bake oven receives the parts after they exit the post rinses. The bake oven cross links and cures the paint film to assure maximum performance properties. The minimum bake schedule is 20 minutes with the part temperature at 375°F for most electrocoat technologies. However, there is also a “low temperature cure” electrocoat material. This material has a minimum cure of 20 minutes at a part temperature of 180°F so that many assemblies containing seals, bushings, bearings, or oil can use the electrocoat process.
The requirement of pre-treatment before CED Coating on automobile products is due to the following:
• Cleaning of the surface for oil, physical contamination & rust
• Making such a surface condition that has higher degree of paint-adhesion
• Minimize or eliminate any chance of reaction of paint with the base metal
• Provide added benefit of high level of corrosion resistance
Benefits of CED Coating
• Highest level of rust resistance
• Allows coating of highly recessed areas
• Provide ability to coat complex shapes with unmatched preciseness
• Transfer efficiency of over 95%, reduced paint wastage
• CED paint does not sag during curing and doesn't wash off in enclosed areas due to hot vapours.
Introduction:
Typically, it is difficult to achieve good adhesion between a paint coating and fresh steel sheet. For this reason, it is customary to apply some type of intermediate layer, a pretreatment, to develop good long-term performance. Not only does the pretreatment improve the mechanical adhesion between the paint and the zinc coating, but it also improves the resistance to blistering and loss of paint adhesion during exposure to corrosive environments. In the case of steel sheet, the need for a pretreatment to achieve good initial paint bonding is less critical, but a pretreatment is still beneficial to achieve good resistance to loss of paint adhesion when the product is exposed to a corrosive environment.
Phosphate Treatments:
The most commonly applied paint pretreatment for developing good bonding qualities between paint and the steel sheet is zinc phosphate. In addition to the excellent effect that a phosphate coating has on paint adhesion, it also aids to decrease, often dramatically, the tendency for paint disbondment during subsequent atmospheric exposure in a corrosive environment.
Phosphate coatings can be applied to the steel sheet while it is in coil form by either the steel manufacturer or a coil coater (manufacturer of prepainted sheet), or it can be applied to the cut sheet or fabricated article by the end-use manufacturer.
The usual phosphate process involves several steps, both if the coating is applied on a coil line or by the part manufacturer. If there are oils present on the surface of the steel, the first step is the removal of the oil by degreasing. This might involve cleaning with the use of an aqueous, alkaline cleaning solution or by other forms of degreasing with the use of solvents. Preferably, if the phosphating is done on a coil processing line, the next step involves the use of a Typically, the final rinse contains chromates for enhanced corrosion protection.
The steps in a 10-stage zinc phosphating operation:
• Hot Water Rinse
• Knock-off-Degrease
• Degrease
• Water Rinse – I
• Water Rinse – II
• Activation
• Phosphating
• Rinse – III
• Rinse – IV
• Drying
Description:
To cater the variegated needs of our esteemed customers, we are highly engaged in offering a wide array of Automatic CED Coating Plant.
Features:
- Low maintenance
- Hassle free functionality
- Long working life
Description:
Backed by vast industry experience, we are engaged in offering a premium quality range of Hard Chrome Plant.
Features:
• Easy installation
• Long functional life
• High performance
Description:
Anodizing is an electrolytic passivation process that is used to increase the thickness of the natural oxide layer on the surface of metal parts. Aluminium alloys are anodized to increase corrosion resistance and surface hardness, as well as to allow dyeing (colouring), improved lubrication, or improved adhesion. Different anodizing processes include hard anodizing, chromic acid anodizing (CAA), sulphuric acid anodizing (SAA), boric sulphuric acid anodizing (BSAA), tartaric sulphuric acid anodizing (TSAA) and phosphoric acid anodizing (PAA), all of which are made possible by Galvatek anodizing plants.
Description:
A popular process in the finishing of metal parts of trucks, cars, and motorcycles, as well as household fixtures such as faucets and knobs, Nickel-chrome plating actually consists of at least two separate plating processes: the item is first plated with nickel, and then plated with chrome.
The Electro Nickel Plating Process :
Electro nickel plating, also known as nickel electro-deposition, is becoming an increasingly popular process for a variety of different manufacturing applications. Electro nickel plating is a process that uses an electrical current to coat a conductive material, typically made of metal, with a thin layer of nickel. Other metals used for electroplating include stainless steel, copper, zinc, and platinum. This Plating provides a better Brightness. This process is well known for its effectiveness & comprises of the following:
1. Bright Nickel
2. Dull Nickel
3. Satin Nickel
4. Electroless Nickel Process
Benefits of Electro Nickel Plating:
•Increased resistance to corrosion.
• Improved hardness.
• Superior strength.
• Resistance to wear.
• Improved ductility.
Description:
Zinc electroplating is one of the most popular methods that are used all around for the purpose of electroplating. It is a very cost-effective process, and is mostly used to provide a protective coating to metallic substances such as nuts, bolts, fasteners, automotive parts, and many other hardware items. Besides this benefit, the use of zinc also improves the overall appearance of the metals, by giving them a variety of colors, a clean look, brightness, and a nice glowing shine. Fully Automatic Plating is used in the metal finishing carrying components held commonly in Racks or Barrel Automatic Plants are direct savings in labour cost. Better process application and production control, improved solution maintenance and quality control.
Zinc Plating Process:
The electrocoat process can be divided into four distinct steps:
1. Cleaning of the Substrate
2. Activation or Pickling
3. Zinc Electroplating
4. Rinsing and Drying the Finished Product
Benefits of Zinc Plating:
• Adds anti-corrosion properties to materials.
• Offers an attractive finish.
• Low cost treatment.
• High Strength.
• Recyclability.
Description:
Transport Wagons provide the means for mechanized movements of workloads in a plating system. The transport wagon runs on guided tracks, enabling vertical as, well, as horizontal movement.
The following configurations are available based on layout / space availability :
1. Straight line - with load / unload on opposite sides
2. Straight line - with load / unload on same side
3. Parallel lines - with tank traverse cross transport wagon
4. Parallel lines - with over head traverse cross transport wagon
5. Parrallel lines - with random movement of transport wagon
Features:
1. Operation: Manual / Semi-automatic / Fully-automatic / Programmable through P.L.C.
2. Robust design.
3. Frame – M.S., epoxy or powder-coated, alternatively SS 304 construction.
4. High efficiency geared motor with brake, provided with thermistor suitable for continuous duty cycle with higher safety factor as per international standards. Speed – Hoisting – up to 22 metere per minute. Traverse – up to 45 meters per minute.
5. Step-less speed regulation through Frequency Inverter.
6. Lifting / Lowering by means of chains / Polypropylene belt.
7. Vulcolan wheel: Suitable for corrosive atmosphere and anti-skidding function for traverse movement. 8. Horizontal and vertical movement transmissions by means of direct gears.
8. Combination of proximity and limit switches for enhanced level of safety and reliability.
Description:
SV ENVIROTECH Bag Filtration System offers a wide variety of high flow high efficiency filtration options from 20000 LPH to 60000 LPH with filter efficiency of 5 micron to 300 micron. We can combine multiple housing in parallel to gain high flow rate or in sequence to gain high filtration.
SV ENVIROTECH Bag Filtration System consist of :
Bag Filter Housing:
- Standard Size Available: 7”x32”, 7”x17”, 4”x20”
- Material of Construction: SS304, SS316
- Pressure: Upto 10 kg/cm2
- Design: Clamp Type, Swing Bolt
- Adjustable Leg
- Inlet/Outlet: 1.5”, 2”
PP Filter Bag:
-Standard Size Available: 7”x32”, 7”x17”, 4”x20”
- Material of Construction: PP
- Design: Welded
- Micron Rating: 10, 25, 50, 100, 200, 300 micron
Pressure Gauge:
- Standard Size available: 2.5”, 4” dial
- Pressure Rating: 0-4.2, 0-7, 0-10, 0-20 kg/cm2
- Interior Filling: Gel
Features:
• Low pressure drop
• Permanently piped housings
• Low Maintenance & Operative Cost
• High Collecting Efficiency
• Economically Designed
• Single, multi-basket, cartridge, duplex and multiplex units available
• Sure-sealing covers, opened without special tools
• Carbon steel, stainless steel (304 or 316), or all-plastic (polypropylene) construction
• Large-area, heavy-duty baskets or cartridge internals
• Easy to clean liquid bag filters!
• Adjustable-height legs (single units) or low profile (multi-units)
• Differential pressure indicators (optional)
• Differential, drain & vent ports
Siddhivinayak Envirotech supplies complete Electrocoat/CED Coating Ultrafilter systems.Ultrafiltration is a process for separating a portion of the low molecular weight component of the paint bath from the main paint stream.
In electro coat paint systems, the permeate produced by the ultra-filter contains water and paint solubilizers. The permeate is used in the paint line rinse section. This recycling method provides a closed-loop rinse system for recovering paint drag-out. The permeate can also be diverted to drain to control the conductivity of the paint. Impurities that might come due to pre-treatment like salt, solubilizers etc. can also be removed by ultrafiltration. Depending on the Molecular Weight Cut Off (MWCO) of the membrane used, macromolecules may be purified, separated, or concentrated in either fraction.
UF Membrane System consist of:
UF Membrane/Module
We offers cost-saving replacement Electrocoat Ultrafilter membrane elements for existing CED Coating Ultrafilter systems. Different Sizes available for replacement Electrocoat membranes are 4"(4040), 6"(5640) and 8"(7940)
Specifications:
-Standard Size Available: 4040, 6040, 8040 (4",6",8")
- Material of Construction: SS304
- Material of Construction Fitting: SS304
- Design: Seamless
- Design Inlet/Outlet: Sideport
Benefits:
• Easy installation
• Easy Retrofit/Change out
• Higher permeate rates and lower operating cost
• Reduced equipment downtime
• Improved energy efficiency
• Recover valuable products
Siddhivinayak Envirotech has installed turnkey automatic barrel finishing systems. We supply everything from new automatic plate-bake-chromate equipment, to hoist and control upgrades of existing plating equipment. Turn key barrel plating systems may include single or multiple hoists, process tanks, and dryers. Integrated systems include HMI PC-PLC control for rectifiers, ventilation, air agitation and waste treatment. Automatic tote box dumpers, vibratory feeders, scales, load/unload chutes, and powered shuttles reduce labor content.
High capacity poly, steel, and stainless steel barrels improve productivity and quality. Our cylindrical platingbarrel designs provide 18% more capacity than polygonal types. Consistent part-to-anode spacing speeds the plating process. They also provide more consistent plating through custom tumbler rib placement. Positive electrical contact is the result of a single-point saddle and barrel drive design. Programmable plating barrel rotation and oscillation is available with a touch of the HMI.
Features:
Auto lid opening / closing: Can be provided at loading / unloading station.
Description:
Siddhivinayak Envirotech are manufacturer and supplier of Anode Cell for Electrocoat/CED Coating in a wide variety of qualities, dimensions and options; the ideal mix of product properties can be optimized for each individual electrocoat plant.
Customer Benefits :
• Easy installation, cells are not heavy
• Closed top
• Guard for protection against mechanical damage.
• Low Electrical Resistance
• Quick and Easy Inspection Procedure
• Maintenance Friendly
• Better Throw Power.
• Long Life.
• Flexible.
Description:
In general, cathode electro deposition of paint for automobile and others require oxygen gas evolution at anodes with high efficiency of by utilizing without any sub-reactions such as oxidation and pollution in paint solution.
Siddhivinayak Envirotech, which is one of the leading designers, manufacturers and constructor of facilities for cathode electro deposition of paint, have achieved new advanced technology of anodes (Bare TiO2 type) to suit this application.
Merits of TiO2 electrode over Stainless or Ferrite Anode:
• Stainless anode dissolves itself during oxygen evolution.
• The single potential of ferrite anode is higher than that of TiO2, and it requires surplus electric power compared to TiO2 type bare electrode.
• TiO2 electrode has a quick response at the beginning of the operation.
• The peak current of TiO2 electrode is twice that of conventional membrane electrodes. These characteristics allow minimizing the total anode area.
Description:
Siddhivinayak Envirotech supply latest technology innovative rectifiers for all types of CED coatings (CED,ACED,AED) etc. We have both thyristor type and IGBT based DC rectifiers for this purpose. We can supply the required configuration/specification of rectifiers as per need based.
Description:
SV Envirotech offers a diverse range Fume Extraction which is generally applicable to all types of production units. As the name suggests, this Fume Extraction is used to extract fume from various industrial chimneys. We manufacture various standard and customized Fume Extraction according to the customer's needs and specifications.
Features and Applications:
• Increased productivity and safety
• Environment friendly
• Turn-key execution of system for extraction of corrosive fumes and gases
• Ensures hygienic working atmosphere
• Committed to a cleaner environment
• High separation efficiencies of 1 micron particulate and gaseous emissions
• Customized process equipment for metal finishing industries
• Hot-dip Galvanizing Plants
• Pipe pickling Plants
• Stainless Steel Pickling Plants
• Wire Pickling Lines
• Electroplating/Anodizing Plants
• Metal Finishing Industries
• Surface Treatment Plants.
Description:
Sv Envirotech Supplies good quality PP Spray Nozzles for all kind of cleaning process in Electroplating or Electrocoating process.
Specification:
-Clamp Size: 1”
- Material of Construction: PP
- Pipe Open Dia: 14mm
- Spray Pattern: Flat Fan, Full Cone, Hollow cone.
Features and Applications:
-Adjust with hand, no need of tool.
-Chemical corrosion and wear resistance. Resistant to high temperature is 80 degrees.
-Quick & easy cleaning
-Plating pretreatment cleaning
-Coating pretreatment and chemical cleaning
-Electrophoresis pretreatment spray
-Fume Scrubber
-Surface treatment of degreasing phosphating
-Other low voltage application and chemical spray
Description:
Mixing Jet Nozzle, Mixing Eductors are used to agitate or mix Liquids stored in tanks, pits, or sumps. Mixing Eductors use a unique venturi design which enables smaller pumps to circulate large volumes of tank solution.
Design Features:
• Nozzle Materials: PP (polypropylene).
• Nozzle Structure: one-piece construction without internal parts.
• Spray Patterns: Mixing Jet.
• Spray angles: from 40 to 110 degree.
• Pressure Range: 1 to 4 bar (20 to 127 L/min).
• Inlet Thread: 1/4", 3/8", 1/2", 3/4".
Benefits:
• Low cost
• Self priming
• No moving parts
• Corrosion and abrasion resistant
• Safe
• Versatile
• Perform double duty
• Easy to install
Description:
SV Envirotech fabricate MS, SS, PP, FRP & PVC Tanks in all kind of shapes & sizes. These Tanks are fabricated by us as per customer requirements and functional requirements. Functional requirements can be operating temperature or it can be storage medium. These tanks are fabricated by using high grade raw material.
SS Tank -Stainless Steel Tank:
- Generally it is constructed out of 3 mm or 5 mm thick SS 304 or SS 316.
- Argon arc welded.
- Very robust.
- Thermal insulation provided wherever necessary.
- Usually does not require internal / external lining.
M.S.Tank- Mild Steel Tank:
- M.S tanks are provided with thermal insulation jackets wherever necessary.
- Lip ducts are suitably placed on tank rims for extraction of fumes.
- Tanks can be provided with vertical or horizontal work agitation systems.
- All electrolytic tanks, bus bars are made from cross sections of copper.
- Automatic tank covering systems are available as an option to minimize fume exhaust to ensure a clean work environment.
PP Tank - Polypropylene Tank:
- P.P. tanks are constructed from high quality PP, which are duly reinforced with coated steel / PP supports.
- The larger tanks are welded by extrusion welding process, ensuring better homogenous bonds and higher joint strengths.
- State-of-the-art machines are used for other fabrication processes like welding, cutting, bending etc; to ensure durability and high quality standards.
- Normally, it does not require lining, bonding and thermal insulation.
FRP Tank – Fibreglass Reinforced Plastics:
- FRP is a modern composite material for construction of chemical tanks.
- FRP is corrosion resistant, tank can be fully made up FRP or second liner can be used.
- We provide FRP lining onsite.
- We fabricate FRP Storage Tanks, FRP Chemical Storage Tanks
Rubber Lining & Insulation:
-Rubber Lining in Tanks is provided for corrosive chemicals & reaction vessels.
-We provide durable & flexible rubber tank lining using the latest technology & quality control.
-Our rubber lined tanks are a time tested solution for corrosion resistant lining requirements.
-Insulation is provided on Tanks to avoid heat loss.
-We provide Insulation with Fibre Glass Wool of around 40mm thickness
PVC Tank & Lining:
-We fabricate every size of PVC Tank.
-PVC lining is also provided on top of Rubber Lining.
PVDF Tank & Lining:
-We fabricate every size of PVDF Tank.
-PVDF lining is also provided on top of Rubber Lining to avoid chemical reaction like Chrome.
Description:
Environment is assuming great importance in our day to day life since atmosphere is polluted to a greater or lesser degree by substances produced mainly by combustion of fuels and through industrial process. The real concern for environment has been brought about by the visible side effects of development projects and industrialisation. Modern Technological Progress has come into direct conflict with our environment.
Objective:
1. The effluent accruing from this activity is contaminated with certain objectionable parameters like pH, TSS and Metallic impurities.
2. To limit the above impurities and render the effluent free from any objectionable parameters as stipulated by the Pollution Control Board.
TREATMENT METHODS:
A. Physical
B. Chemical
C. Tartary
TYPE OF EFFLUENT TREATMENT PLANTS :
1. BATCH TYPE EFFLUENT TREATMENT PLANT
2. CONTINEOUS FLOW TYPE EFFLUENT TREATMENT PLANT
Description:
In order to fulfill the demands of our esteemed clients, we are engaged in providing an optimum quality array of Automatic Zinc Plating Plant.
Features:
• Precisely engineered
• Excellent functionality
• Long working life
Description:
We are a remarkable entity in this domain, engaged in offering a qualitative assortment of Automatic ABS Plating Plant.Features:Energy efficient Easy to j operate Robust construction
Description:
Owing to our enriched industrial experiences, we are committed towards providing a wide array of excellent quality Automatic Electroplating Plant.
Features:
- Sturdy construction
- Easy to install
- Long working life
Description:
With our expertise and trustworthiness, we are engaged in offering an optimum quality range of Electroplating Plant.
Features:
- Low power consumption
- Excellent functionality
- Easy to operate
SV Envirotech manufactures and assemble following kinds of Electrical Panels:
Description:
Supervisory Control and Data Acquisition, a computer system for gathering and analyzing real time data. SCADA systems are used to monitor and control a plant or equipment in industries such as telecommunications, water and waste control, energy, oil and gas refining and transportation. A SCADA system gathers information, such as where a leak on a pipeline has occurred, transfers the information back to a central site, alerting the home station that the leak has occurred, carrying out necessary analysis and control, such as determining if the leak is critical, and displaying the information in a logical and organized fashion. SCADA systems can be relatively simple, such as one that monitors environmental conditions of a small office building, or incredibly complex, such as a system that monitors all the activity in a nuclear power plant or the activity of a municipal water system.
We are highly acclaimed in this industry for providing an optimum quality range of SCADA System.
Features:
- Precisely engineered
- Low maintenance
- Reliable functioning
PLC Programming:
Providing solution for coating plant, packaging machine, SPM machine, Process control system. Mainly deal with Mitsubishi, Siemens, Allen Bradley, Omron, Delta etc.
HMI/MMI Display:
HMI (Human Machine Interface) Display use for operator that is use to change the parameter like set values of temperature, level, flow, speed etc.HMI Display mounting on panel to show the real time values in the plant . HMI providing varies feather like device controlling, value Display, Recipe, Alarms, Data logging etc. We are providing solution in Delta, Allen Bradley, and Mitsubishi.
PLC Automation Control Panel:
Driven by a vision to achieve significant growth in this industry, we are committed towards providing a wide array of PLC Automation Control Panel.
Features:
- High efficiency
- Simple installation
- Low maintenance
PLC Control Panel
Keeping in mind the ever-evolving needs of our clients, we are devoted towards offering an optimum quality array of PLC Control Panel.
Features:
- Application specific design
- Easy installation
- Low maintenance
PLC Panel
For catering the variegated needs of our clients, we are deeply engrossed in offering a qualitative array of PLC Panel.
Features:
- Reliable functioning
- Less maintenance
- Long working life