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2024-08-29 Is the application range of melt gear pump very wide?
Yes, the application range of melt gear pumps is extremely broad. As mentioned earlier, melt gear pumps, as specialized equipment for conveying high-temperature molten materials, have significant applications across multiple industries. They not only play a pivotal role in the plastic processing industry (such as extrusion molding and injection molding) but are also widely used in fields like chemical fibers, rubber, chemicals, pharmaceuticals, and more. In scenarios where high-temperature, high-pressure, and high-viscosity molten media need to be processed, the importance of melt gear pumps b
2024-08-27 Precautions for selecting cross axis universal joint for melt gear pump
When selecting and configuring the cross-shaft universal coupling for a melt gear pump, which transmits torque between the pump and the motor, it is important to pay attention to the following points given its high angle compensation capability, compact structure, smooth and noiseless operation, strong load-bearing capacity (with torque reaching over 6000KNM), suitability for high-power transmission, and notable energy-saving effect. This type of coupling is widely used in various applications. For polymer melt conveying gear pumps, the key considerations are: 1.Understanding the Load Characte
2024-08-26 How to determine the size of the melt pump? How to calculate the pump's output per minute?
The melt metering pump uses displacement to indicate its size. The models of melt metering pumps range from 0.2cc to 12000cc. This includes: 0.2cc, 0.5cc, 1cc, 2cc, 5cc, 10cc, 20cc, 31.5cc, 50cc, 100cc, 150cc, 200cc, 315cc, 500cc, 800cc, 1200cc, 3200cc, etc. For example, a 100CC displacement melt pump metering pump refers to a displacement of 100cc per revolution of the melt metering pump, which can also be understood as 100ml. The speed of the melt metering pump varies depending on the viscosity of the conveyed material. When the viscosity of the material is between 1000-5000PA S (viscosity u
2024-08-23 Explanation of the Working Principle of Spiral Seals in Melt Pumps
The working principle of the spiral seal of the melt pump mainly involves the dynamic sealing mechanism, and its core is to use the reverse thrust formed by the multi head spiral groove in the inner hole of the sealing sleeve during the operation of the gear shaft to prevent the leakage of the conveying medium to the outside of the shaft, thereby achieving the sealing effect. The following is a detailed explanation of the working principle: Detailed explanation of working principle 1. Dynamic sea
2024-08-21 Structure and Self-Lubrication Principle of Bushings for Melt Metering Gear Pumps
The structural design of bushings for melt metering gear pumps allows the melt to easily penetrate the clearance between the hole and the shaft, achieving effective self-lubrication. These bushings are characterized by the following features: within the inner bore wall of the bushing, there are melt infiltration grooves designed to direct the flow. Additionally, reflux grooves are incorporated on one side wall and the outer side wall of the bushing. The melt infiltration grooves feature a larger
2024-07-13 Precautions for using pipeline melt pump
Pipeline melt pump is a widely used conveying equipment in chemical, pharmaceutical, food and other industries, mainly used for conveying special media such as high temperature, high viscosity, flammability and explosiveness. This article will provide a detailed introduction to the precautions for using pipeline melt pumps. Precautions for using pipeline melt pump: 1.When installing a pipeline melt pump, it should be ensured that the pump body is tightly connected to the pipeline to prevent medium leakage. 2.Before starting the pipeline melt pump, check whether the motor, bearings and other co
2024-07-11 Where should the melt metering pump be installed on the extrusion production line?
The melt metering pump is one of the very important equipment in the extrusion production line. It can transport materials to the extruder according to the preset ratio and flow rate to ensure the stability of the production line and product quality. However, where should the melt metering pump be installed on the extruder during installation? This article will introduce the correct installation position of the melt metering pump on the extruder. Firstly, the installation position of the melt metering pump should ensure its normal operation while avoiding unnecessary troubles. Generally speaki
2024-07-10 Characteristics of PET granulated plastic extruder melt pump
The PET granulated plastic extruder melt pump has the following characteristics: 1. High precision: The PET granulated plastic extruder melt pump can pump the melt at a stable pressure and flow rate to the outlet of the extruder, ensuring the quality and dimensional accuracy of plastic products. 2. High pressure: The PET granulated plastic extruder melt pump can provide up to tens of megapascals of pressure to meet the demand for extruding high-quality plastic products. 3. High efficiency: The PET granulated plastic extruder melt pump can quickly pump the melt to the outlet of the extruder, th
2024-07-08 Composition and operation method of melt pump control system
The basic components of the melt pump control system include sensors: temperature sensors (such as PT100 thermistors), pressure sensors (transmitters), displacement sensors, etc; Controller: intelligent instruments, PLC, etc; Actuators: electric heating plates, electric heating rods, variable frequency motors, frequency converters, etc. The melt pump control system is an important component to ensure the stable operation of the melt pump. Combined with the melt pump, it can comprehensively control pressure, temperature, flow rate, and speed, and achieve automatic or manual control functions. T
2024-07-06 How to solve the vibration noise of the melt gear pump?
When we find that the suction viscosity of the equipment is too high, the root cause may be that the medium viscosity is too thick, leading to poor flow. To effectively solve this problem, we can take measures to reduce viscosity, such as adding diluents or heating media to enhance its fluidity, thereby improving the efficiency of the equipment. If the wear clearance of the bearings is too large, the operation of the equipment will be seriously affected. In order to restore the normal operation of the equipment, we need to replace severely worn bearings in a timely manner. Choosing high-qualit
