The Extruders for powder coatings is usually used for various masterbatches and fiber grade color masterbatches, filling modification, blending modification (rubber plastic blending, plastic alloy materials), functional masterbatches (carbon black masterbatch, flame retardant masterbatch, degradation masterbatch, dual protection masterbatch, etc.), various cable materials, special materials (EVA hot melt adhesive, optical cable coating material, UV resistant plastic, etc.), reaction extrusion, powder coating, and high-capacity exhaust devolatilization post-treatment.
Product Features
Our Extruders for powder coatings has many advantages, mainly manifested in the driving system, transmission system, screw speed, screw combination, simplified structure, electrical control, cutting method, and other aspects.
1. Feeding system: Constant height can provide a volumetric feeding metering system or a continuous weight loss automatic metering feeding system. The former adopts a new type of feeder structure, avoiding the defect of traditional feeders being prone to powder leakage; The latter uses Siemens PLC and international brand weighing sensors to achieve closed-loop control through PROFIBUS bus, ensuring that each component material is strictly fed into the Extruders for powder coatings according to the formula proportion, avoiding errors in manual mixing, greatly improving the accuracy of weighing, and achieving true industrial automation.
2. Drive system: Select high-quality domestic motor products, and recommend DC or AC motors based on customer operation materials. ABB or Siemens motors can also be selected according to customer requirements.
3. Transmission system: The transmission box adopts a parallel three-axis structure that integrates deceleration and torque distribution. The bearings adopt imported SKF bearings, and also adopt immersion lubrication and multi-point forced lubrication systems. A low oil level and overpressure alarm system is established to promptly remind customers to refuel and change oil, ensuring the long-term and efficient operation of the transmission box.
4. Extruders for powder coatings Screw speed: Currently, our company's standard equipped unit has a screw speed of 400-600 revolutions per minute. We recommend corresponding speed units based on customer operating materials. As the rotational speed increases, its shear force increases, improving production and quality while ensuring mixing, plasticization, and melting.
5. Screw combination: The Extruders for powder coatings screw sleeve kneading blocks are all modular combinations, with a length to diameter ratio range of 28 to 60. Customers can freely replace screw combinations to adapt to different material systems of different processes, achieving multiple uses for one machine. The screw components are made of high-speed tool steel. We combine years of experience to provide customers with various screw components with different structures and configurations, such as special components such as internal mixing rotors and toothed discs.
6. Extruders for powder coatings Simplified structure: Hengao can provide integral alloy sleeve bodies or split alloy sleeve bodies according to different customer processing requirements. On the basis of the original bimetallic cylinder system, the overall alloy sleeve body has improved the process requirements by casting the inner lining alloy sleeve into an integrated structure, reaching the technical level of international peers in Europe. Compared with traditional split type double alloy sleeves, it greatly improves the wear resistance of the cylinder body and extends its service life.
7. Electrical control: According to customer needs, the host adopts two types: DC or AC. The DC motor is controlled by the British Continental speed controller Kongzhu, while the AC motor is controlled by ABB/Yaskawa/Mitsubishi frequency converters. The electrical system of the entire machine can also be controlled through PLC or PCC industrial automation human-machine interface according to customer process requirements. The interlocking and joint control function of overcurrent, overcurrent, filtration (optional) and drive system implemented throughout the entire production line ensures the safe and normal operation of the unit.
8. Unit appearance: Adopting an overall stainless steel cover, beautiful and concise. The water tank and vacuum tank are separated from the collective for easy maintenance and repair.
9. Extruders for powder coatings Cutting method: According to process requirements and material characteristics, various cutting methods can be provided, such as water cold drawing, air cooled drawing, air cooled mold surface, water cut hot cooling, eccentric water mist, vertical water ring, etc.
Based on the market demand for blending modification and the diversified development trend of customers, our Extruders for powder coatings company has launched a series of twin screw products tailored to different markets and needs.
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