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2023-11-29 Thermoplastic melt pump internal structure
Thermoplastic melt pump is a kind of high-precision, high-rotation speed, high-reliability equipment for conveying high-viscosity, high-temperature, high-pressure melt materials. Its internal structure includes the following parts: 1. Pump casing The pump casing of the melt gear pump is the outer shell of the equipment, which is made of high quality alloy steel material with high strength and corrosion resistance. The pump casing is equipped with impellers, bearings, seals and other important parts, which is one of the key parts to ensure the normal operation of the melt pump. 2. Impeller Impe
2023-11-28 What is the typical operating temperature of a melt pump?
The name melt pump, I believe that only a part of the people have heard of it, and do not know much about it. Today melt pump manufacturers will talk to you about the working temperature of the melt pump. melt pump for extrusion Melt pump for extrusion working temperature can generally reach 300 degrees, can meet most of the plastic melt transportation requirements, some high temperature melt pump can reach 500 degrees. The working pressure of the melt pump is usually expressed in three parameters, i.e. high inlet pressure, high outlet pressure and high differential pressure. Ordinary melt pum
2023-11-15 Explanation of the application working conditions of the melt gear pump
The working temperature of the melt gear pump: 350-400 ℃, cleaning temperature: 450 ℃, outlet pressure: 350bar, viscosity: 30000Pa. s. The sealing of melt gear pumps generally adopts spiral sealing, which has good wear resistance. Drive motor+reducer+universal coupling+pump body. The motor adopts variable frequency speed regulation or servo speed regulation, and can be adjusted to the required flow rate at will. For products with high precision requirements, it is recommended to use servo motor speed regulation. melt gear pump The working temperature of the melt gear pump: 350-400 ℃, cle
2023-11-13 What is the reason for excessive current in the melt gear pump?
During the use of a melt pump for extrusion, it is inevitable to encounter various problems. What we need to consider is how to deal with these problems. Excessive current in the melt gear pump can have a significant impact on both the equipment and the finished product. So, lets introduce the reason for excessive current in the melt gear pump? How should we solve it. melt pump for extrusion There are several reasons for the excessive current of the melt gear pump: 1. The outlet pressure is too high; 2. Excessive melt viscosity; 3. Poor assembly of shaft seal; 4. Shaft or bearing wear; 5. Moto
2023-11-08 Axial force analysis of gear in melt metering pump
The gear structure design of the melt metering pump plays a crucial role in the operation of the metering pump. If an ordinary involute helical gear with a pressure angle of 20 degrees is used, the helical gear can increase the meshing overlap of the melt metering pump gear, and can continuously and smoothly squeeze the material during meshing, reducing pressure fluctuations. In addition, helical gears also have a certain self-cleaning effect, which can avoid the deposition and decomposition of materials. polymer melt pump The gear of the melt metering pump adopts helical gears, which have gre
2023-11-04 Melt booster pump jamming and end cover leakage
The main reasons for the gear jamming and end cover leakage of the melt booster pump: Zhengzhou BATTE melt pump manufacturer, based on years of experience and analysis, believes that there are several reasons for the jamming and end cover leakage of the melt booster pump: 1. Due to the high assembly accuracy of the melt gear pump, the clearance between the gear shaft and the sliding bearing is 0.2 mm, while the sliding bearing and the gear shaft rely on self-lubrication of the melt material. The lubrication channel width of the sliding bearing is only 24 mm, and the lubrication flow is narrow.
2023-10-25 Why can adding special coatings inside the melt pump extend its lifespan?
We will add a special coating on the interior of high-end polymer melt pumps to increase lifespan and reduce wear. Why can this coating extend lifespan? This article will elaborate on this. melt pump for extrusion Lets take the precision equipment of automotive engines in daily life as an example to analyze. In Mercedes Benz and high-end car engines, a layer of coating is applied to the inner wall of the engine to protect the friction surface of the piston during movement, preventing it from being directly rubbed onto the inner wall material. Although engine oil is generally used as lubricatio
2023-10-19 What are the advantages of melt pump control systems for precision extrusion?
The melt pump control system is an important part of the melt pump extrusion system, capable of controlling the pressure, temperature and flow rate of the melt gear pump in an all-round way. The control of the extrusion pump can be realized manually or automatically through the control system, which can greatly reduce the fluctuation of the extruder outlet pressure caused by various factors, stabilize the pressure of the extrusion die head after the melt pump, and maximize the advantages of the melt pump in precision extrusion. Increase the control system, there are the following roles and adv
2023-10-17 Why should a melt pump be installed in a medical catheter precision extrusion line?
For metering feeding, melt pump, vacuum shaping cooling, online measurement and haul-off cutting are all important parts of precision extrusion, which are related to the quality and output of products. Such as melt gear pump, some manufacturers are reluctant to install, thinking that it has little effect on the quality. melt pump for extrusion Through practice, it has been proved that for high-precision extrusion production melt pump is to be installed, and to use high-precision melt pump, it is true that the extruder screw can play a role in the melt pump, mixing, extrusion, pumping, etc., bu
2023-10-12 What are the characteristics of high-temperature plastic sheet extrusion melt pumps?
The pump melt gear pump for plastic extruder is suitable for the transportation, pressurization, and metering of high-temperature and high viscosity polymer melts. It is generally installed between the outlet of the extruder and the head, and is widely used in polymer extrusion molding such as granulation, film, pipe, plate, and sheet materials. It can also be installed in pipelines to transport high viscosity pure materials. pump melt gear pump for plastic extruder Characteristics of plastic sheet extrusion melt pump: 1. Minimal pressure and flow pulsation can achieve linear output of flow, s
