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DONGSUN POWDER COATING 
EXTRUDER MANUFACTURER
Dongsun is a high-tech powder coating extruder manufacturer, and has established a good reputation in the industry by providing cost-effective products and services.
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Dongsun Powder Coating Extruder

Electrostatic powder coating twin screw extruder as main focus among electrostatic powder coating manufacturing steps is most popular , comprsing of feeding , conveying, kneading and discharge section until you get hot melt products for cooling as next step , except standard configuration , powder coating extruder design is customized made on request optionally ,also we adopted all wear resistant materials for most wear sections like barrel liners and screw elements /shafts etc .

Powder Coating Extruder Instructions

Topsun Brand High Speed Type Co Rotation Twin Screw Extruder

Manufacturing , consistent quality products involved assembled every section of this extrusion system for powder coating , such as European made alike gearbox as complete set , CPM9/10V made barrel liners  And screw elements ,efficiently designed top feeder or side feeder as optional .

TSX Series Powder Coating Twin Screw Extruder

TSX series powder coating twin screw extruder is our newly developed and designed type in recent years , that is standardized mode with quick delivery and few maitenance and widely applied to most of powder coatings production globally , especially TSX-52 model is very similar to ZSK 43 Mv plus proved powder coating extruder with twin screw type from Coperion , mega volume , similar European made quality gearbox assembled , safety purposed torque limiter from Autogard/Mayr , longer L/D ration on request , most wear resistant materials for critical parts , Highly efficient cooling/heating system .

Extrusion System For Powder Coating Manufacturing 

Continous powder coating extruder with good budgetary as affordable financially , and correctly matched with conventional type SLJ series extruder and TSX series models as ideal combined , this is with export standard and applied for most of the developing countries oriented Market , like gearbox design, barrel and screw configuration , cooling and heating function, Coupling selection , and even framework with heavy duty type for permanent stability .
How To Customize Powder Coating Extruder Manufacturing

Powder coating extruder diagram as one part of this flowing chart

Explaing powder coating manufacturing process and plant configuration , until now globally customized made will follow the trend due to diversified requirements from different powder coating producers , as powder coating extruders manufacturers wether in china or abroad , we have to follow this request to follow their preferred points to optimize the extrusion system for powder paint production , after mixing , the materials will be fed into the feeder with agitator evenly by adjustable speed ,then enter into the barrel to proceed feeding, conveying, kneading, discharging out to get hot melt materials , as customized made for powder paint extrusion system , please be more specific requirements like rpm , materials, L/D ratio, configuration , etc we can design on the basis of our current models , and then produce as own made and OEM , and make general assembly , then test run to approve it accordingly .
 

Powder Coating Extrusion Processing

What is the process of powder coating ? namely you need to know how it works regarding powder coating extruder process , The material is fed into a rotating mechanism, which is usually a screw device encased by a barrel. The screw is configured with flights or nodes that exert work on the molten mass as it passes through the extruder. Stainless steel covered powder coating extruder with nice appearance to avoid powder color cross contamination while in production .

Powder Coating Extruders Assessment Quality Certificates

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Related Powder Coating  Production Equipment

  • Thermoset plastics and powder coating production line. The excellent mixing capability, self wiping characteristics, adn accurate temperature control of co-rotating twin screw extruder enable thorough mixing of materials inside the extruder and essentially no-pressure discharging. This line is applicable to the production of polyester, epoxy, adn acrylic based power coatings, phenolics, adn epoxy sealing compounds.
  • Thermoset plastics and powder coating production line. The excellent mixing capability, self wiping characteristics, adn accurate temperature control of co-rotating twin screw extruder enable thorough mixing of materials inside the extruder and essentially no-pressure discharging. This line is applicable to the production of polyester, epoxy, adn acrylic based power coatings, phenolics, adn epoxy sealing compounds.
  • Main Technical Characteristic: 1.The changing during moving gap is zero 2. High disperse efficiency 3. Self-cleaning system 4. Double temperature PID control, control accuracy ±2°C 5. Barrel equipped with soft water recycle automatic cooling system 6. Low noise and high secure gear box system 7. Equipped with permanent magnetic iron remover 8. Low material consumption, electricity and material rate kg/h.kw is higher
  • Main Technical Characteristic: 1.The changing during moving gap is zero 2. High disperse efficiency 3. Self-cleaning system 4. Double temperature PID control, control accuracy ±2°C 5. Barrel equipped with soft water recycle automatic cooling system 6. Low noise and high secure gear box system 7. Equipped with permanent magnetic iron remover 8. Low material consumption, electricity and material rate kg/h.kw is higher
  • Batch Production Extruders for Thermosets powder coatings this is the latest small batch production extruder from topsun and has been designed specifically for thermoset applications such as Powder Coating, Toners and Electronic Moulding Compounds (EMC). The unit incorporates a set of chill rolls that are fully integrated into the machine.
  • Twin Screw Extruder, with high capacity, is an ideal equipment for extruding various chemical materials. such as powder paint , toner Raw materials are perfectly dispersed and distributed by precise kneading-elements in high speed. for example powder coatings extrusion main characteristics : * Homogeneous distributed and dispersive mixing. Strong self-cleaning ability and no solidified particles. * Screw elements on screw shafts can be combined according to technical requirements of powder coating production * Screw elements, liners, barrel and shafts with excellent performance, durable and long service life * Gear box equipped with a separate lubrication and cooling system, has advantages of high torque, low noise≤60DB, high wear resistance, long service life. Equipped with torque limiter (Optional) * Homogeneous and accurate feeding system is designed with metering screw. Anti-bridging device is equipped. Metal separator is optional
  • With a homogeneous dry blend of raw materials, the extrusion process can commence. The extrusion step can be described as the “paint-making” process. This is where the powder coating formula is compounded. At this point the formula is locked-in, and very little can be altered (with the exception of particle size reduction) after this process. Two types of mixing are accomplished in successful extrusion. The resins, additives and pigments are intimately distributed to create a consistent blend. This uniformity of mixing affords consistent appearance and performance of the finished coating. Inconsistent mixing typically results in variable gloss, smoothness and possibly film performance.
  • twin screw extruders regarding powder coating manufacturing, process for manufacturing a powder coating comprising the steps of: Preparing a powder coating premix comprising a resin and optionally a crosslinker therefor; feeding the premix through a melt extruder, wherein the melt extruder conditions comprise a temperature of from 100 DEG to 200 DEG C and a pressure of from 1 to 16 bar; cooling the extruded material; and comminuting it to fine particles, said process being characterized in that from 1 to 25 wt. % (based on the weight of said premix) of a suspension or dispersion of a particulate material in water is added to the melt extruder.
  • The Best Twin-Screw Design for Powder Coating we manufactures a comprehensive range of twin-screw extruders specifically for powder coating production, from small batch production, up to production scale .
  • co-rotating twin screw structure. Multi-component raw materials can be fully hot-melted under the precise intermeshing action by the conveying and kneading elements mounted on the screws, to achieve good dispersion and kneading effect. this is the most vital equipment for powder paint manufacturing combined with cooling belt and flaker
  • The leading high free volume clamshell barrel extruder for powder coating Alternative barrel lengths To process the full range of formulations Hydraulically operated clamshell barrel For quick and easy cleaning and maintenance High free volume Excellent feeding of fine powders
  • powder coating compounding line , Powder Coating Specialists, At the forefront of powder coatings extrusion technology.
  • An integrated range of twin screw extruders , Powder Coating Capability leaders in twin screw technology, renowned as the leading manufacturer of powder coating twin screw extruders and associated equipment
  • manufacturing a comprehensive range of twin-screw extruders specifically for powder coating production,specifically engineered for the requirements of powder coating.
  • specifically designed for all types of powder coating formulations, including epoxy, hybrids, polyester, acrylics and fines recycling. They provide continuous production at outputs designed .
  • outlining the process for manufacture of powder coatings and describe the application of small twin screw extruders to melt -mixing powder coating formulations, for both product development and quality control.
  • Theory of Operation/ General General mixing theory indicates that dispersion is best accomplished at high viscosity. In high viscosity regions the interparticulate shear is greatest, causing maximum break-up of agglomerates and dispersion of the phases. Thus, a mixing device which melts the resin "instantly", and maintains the entire mass at uniform high viscosity while mixing makes an ideal mixer. The extruder is designed to melt resin by mechanical energy being converted directly to heat by interparticular friction within the resin. This causes a rapid melting of the resin, minimizing the temperature variation within the melting mass. Thus, the viscosity is uniform throughout the mass, maximizing the dispersive mixing.
  • Extruders designed to manufacture powder coatings employ a single screw or twin-screw mechanism. Single screw types have flights along the circumference of the screw. These flights convey the mixture into pins that radiate from the interior of the barrel. This creates shearing of the material that in turn melts the mass and affects the distribution and dispersion of the components. The molten mass exits the barrel and is then cooled and broken into flakes.
  • Operation of the twin screw extruder Colbert 5 describes the performance of extruders in terms of a shear history resulting from a combination of the shear rate and the time material is exposed to it (residence time). Co-rotating twin screw extruders normally operate in a starve fed manner; that is the solids conveying capacity exceeds the rate at which useful energy can be applied to the premix. The output of the extruder is controlled separately by a volumetric screw feeder and hence output and screw speed can be varied independently up to the torque and speed limits of the extruder. These limits define the total range of operation and the extruder can be operated anywhere below the maximum torque line. Within this regime, mechanical energy input (specific energy), shear rate, residence times - and therefore product quality - can be varied. An understanding of the processing behaviour of Powder Coating premixes
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