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2024-01-31 Advantages of using extruder and melt pump together
BATTE offers a new generation of melt pumps with the advantages of high precision, no pulsation, and long service life. Equipped with melt pumps in the extruder system, the melt pumps can effectively reduce the tolerance of the extruded products and improve the quality of the final products. For some products with strict dimensional tolerance requirements, the use of melt pumps will effectively enhance the economic benefits of enterprises. Twin-screw extruder and melt pump combination of mixing, extrusion and pelletizing production line, the use of melt pump can effectively reduce the twin-scr
2024-01-30 Sheet extrusion melt pump application fields, composition and material
Extrusion melt pumps are widely used in the fields of sheet, blown and salivated films, spraying, textiles (fibers and nonwovens), EVA, compounding, pelletizing, and biodegradable materials. Under constant pressure, melt pumps have a lower shear stress design, which reduces the energy consumption of the extruder, lowers the working temperature and increases the output rate. Extruder melt pump structure is mainly composed of by the pump casing, front and rear side cover, gear shaft, sliding bearing and shaft seal. It has the following four main advantages: 1, very small pressure flow pulsation,
2024-01-26 melt pump for polycarbonate
Melt pumps are used to pressurize and stabilize the flow of high temperature plastic melt from the extruder into the extruder head. Its ability to stabilize melt pressure and flow is superior to various types of extruders. Melt pumps are widely used in the extrusion molding of plastics, resins, rubber products, such as pelletizing, film, pipe, plate sheet and other industries. Advantages of using melt pumps for polymer extrusion: 1. Improved dimensional stability ---- effectively isolate the mold from fluctuations from upstream; 2. Controls melt quality ----- regulates extruder back pressure t
2024-01-25 Electric heating plastic extrusion melt pump
ZB-B series melt pump is a gear pump used in extrusion systems for thermoplastic materials, which is suitable for the extrusion and transportation of thermoplastic high viscosity polymer melts; Generally installed between the extruder outlet and the die head, used as a melt metering pump; It can also be installed in polymer melt pipelines for use as a booster pump. Working principle of extruder pump When the extruder pump is working, it relies on the change in working volume caused by the mutual meshing of the master and slave gears to transport the melt. When the gear rotates in the specified
2024-01-23 The benefits of using an extruder in conjunction with a melt pump
1. Optimized melt flow channel design, fewer dead corners, improved lubrication design scheme, effectively improving the quality of work in progress; 2. Optional built-in channels, and users can use channels for heating or cooling according to actual needs to better regulate temperature; 3. Improved gear parameter design and more precise machining clearance control make the output pressure of the melt pump more stable; 4. The improved lubrication and sealing structure reduces the resistance of the gear pump, reduces the load, and increases the working efficiency of the gear pump; Email: info@b
2024-01-18 Melt Pumps for Biodegradable Agricultural Film
Melt gear pumps for extrusion systems are referred to as melt pumps, also known as melt metering pumps or extrusion pumps, which can be used in various extrusion industries, such as sheet, plate, pipe, film, pelletizing, drawing, cable, co-extrusion, mixing, precision extrusion and other industries. It is suitable for the extrusion and transportation of thermoplastic high viscosity polymer melt; it is generally installed between the outlet of the extruder and the die head as a melt metering pump; it can also be installed in the polymer melt pipeline as a booster pump. Extruder melt pump materi
2024-01-16 Causes and solutions to hydraulic screen changer failures
In the process of using the hydraulic screen changer, the following common failures may occur. For these failures, we give specific solutions. 1. Material leakage: When using the hydraulic screen changer, material leakage may occur. This may be caused by the hydraulic screen changers bolts or front and rear flange connection bolts loosening. At this time, we can take the method of tightening the bolts to solve this problem. In addition, if the screen pressure of the hydraulic screen changer is too high, it may also lead to material leakage. We can appropriately reduce the screen pressure to av
2024-01-12 What are the materials and application scenarios for melt pumps?
Polymer melt pumps, as the core equipment in the polymer production process, can transport a wide range of materials, can be used under different pressure conditions, a variety of low-temperature, low-viscosity polymers to high-temperature, high-viscosity polymer reaction transport. Melt pump specific materials can be transported and what are the application scenarios? First, can be used in a variety of resins, chemical fibers, rubber and other industries polymer production process In the polymer reaction process, the materials that can be transported are: Other polymer materials industry in t
2024-01-10 How are melt pump speed and output calculated?
1, the melt pump speed per minute: RPM = n * f1/50/i; n is the rated speed of the motor; f1 is the frequency converter; i is the speed ratio of the gearbox. Example: 4-level motor rated speed n is 1450rpm, when the frequency converter f1 is 30HZ, speed ratio i is 29. melt pump speed per minute = 1450 * 30/50/29 = 30rpm 2, the melt pump hourly output: KG / H = CC * rpm * 60 * /1000; CC for the melt pump displacement; rpm for the melt pump speed per minute; for the melt density. Example: 100CC melt pump (melt pump displacement per revolution is 100ml), melt pump speed of 30 rpm, the density of t
2024-01-04 Why melt pump outlet pressure is low
Melt pump is one of the important key equipments in the field of polymer material molding and processing, which has the features of smooth flow, small pressure fluctuation and long service life. However, in practice, sometimes there will be a melt pump outlet pressure becomes low, which will not only affect the quality and yield of the product, but also increase production costs and maintenance costs. So, why the melt pump outlet pressure will become low? Polymer melt pump outlet pressure becomes low may have the following reasons: 1. Changes in the nature of the material The viscosity, densit
