How to Improve the Service Life of Screw Barrel
1. Selection of high-quality materials: The materials for the screw barrel should be high strength, high wear resistance, and high corrosion resistance materials, such as high-quality alloy steel, stainless steel, etc. 2.Strengthening surface hardening treatment: Through surface hardening treatment, the hardness and wear resistance of the screw barrel can be improved. Common surface hardening treatment methods include nitriding, hard alloy coating, etc. 3.Strengthen lubrication maintenance: The screw barrel needs to be kept in a good lubrication sta
Uses and differences of different types of screw barrel
The screw barrel is one of the core components of a plastic extruder. Its function is to melt and compress plastic, pushing it through the extrusion port to form the desired product. Different models of screw barrel are suitable for different extrusion processes and plastic materials, with the main differences in the following aspects: Diameter and length: The diameter and length of the screw barrel can affect the melting and extrusion effects of plastics. Generally speaking, the larger the diameter, it is
Development Status of Screw Barrel in China
As an important plastic processing equipment, screw barrel has developed rapidly in China in recent years. With the continuous growth of the domestic plastic processing industry, the demand for screw barrel is also increasing. At the same time, with the continuous progress of science and technology, the technical level of screw barrel has also been continuously improved, and the product quality and performance have been further improved. In recent years, the development of screw barrel is mainly manifested in the following aspects: 1. The technical level has been cont
The development of the screw barrel industry is driven by the global economy. With the increase of market demand, the screw barrel industry is also growing, technology and equipment are also improving, and the development direction of the screw barrel industry is also changing. First of all, the development of the screw barrel industry is driven by the market demand. The customer group of the screw barrel industry is constantly expanding, which has spawned new market demand. This requires the screw barrel industry
Teach you how to select and verify the accuracy and stability of injection molding machines?
As one of the pillar industries of light industry, the injection molding industry has penetrated into all aspects of life. As the main equipment for injection molding production, injection molding machines coexist with high, medium and low grades, with a wide range of types and endless application types. Even many professionals in the injection molding processing industry are dazzled and it is difficult to choose the injection molding machine that suits their needs. . Many engineering and techni
How to solve the problem of bending deformation in the extrusion process of products?
The bending deformation of PVC profile is a common problem in the extrusion process. The main reasons are: uneven discharge of the die; insufficient cooling of the material during cooling and shaping, and inconsistent shrinkage; equipment and other factors. It is recommended to solve from the following aspects: 1. Ensure the concentricity and levelness of the entire extrud
What are the cleaning methods for the extruder screw?
The working condition of the extruder that needs to clean the screw is generally to change the color or restart after the machine has black spots. There are two common methods: one is to wash with raw materials or nozzle materials, and the other is to directly pull the screw for polishing and cleaning. The method of drawing the screw affects the precision of the equipment. Pulling the screw for a long time affects the fit between the acc
What is the cause of the slippage of the injection screw
For hygroscopic materials (such as nylon), the high water content of the resin can also cause the screw to slip. Improper drying will significantly reduce the viscosity of the material and generate water vapor in the drum, resulting in a reduction in the conveying capacity of the screw. In fact, there are many reasons for slippage, which may be related to high back pressure, overheating or overcooling of the end of the cylinder, wear of the cylinder or screw, conical screw b
What is the difference between screw and lead screw
The screw consists of a feeding section, a compression section and a metering section. The outer surface of the screw is a cylinder with a spiral groove or a cone with a conical spiral groove. Screws are used in plastic molding equipment, barrel nuts and screw such as plastic profile extruders, injection molding machines, molding machines, rubber machines, etc. Screw and barrel are the core components o
What causes the injection screw to slip
I think most users will be troubled by this problem, that is, the injection screw is slipping. So what caused this situation? For hygroscopic materials (such as nylon), the high water content of the resin can also cause the screw to slip. Improper drying will significantly reduce the viscosity of the material and generate water vapor in the drum, resulting in a reduction in the conveying capacity of the screw. In fact, there are many reasons for slippage, which may be related to high back pressure, overheating or
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