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Introduction of function and structure of conical twin screw extruder
Jul 26 , 2022
Oneplus company's main product Conical twin screw extruder is a kind of high efficiency mixing and extruding equipment. The machine has the characteristics of low shear rate, material is not easy to decompose, plasticizing and mixing evenly, stable quality, high output, wide application range, long service life and so on. With all kinds of moulds and auxiliary machine production lines produced by ...
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Working principle of plastic extruder
Aug 16 , 2022
The plastic extruder generally melts the plastic powder at a high temperature in the heating section, and the melted plastic forms the required shape when it passes through the mold, and then completes the production of a product through subsequent mold accessories. Extrusion molding has high requirements on various control of equipment, including speed control, temperature control, etc. Engineers...
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Extruder screw material requirements
Aug 29 , 2022
In various plastic production lines, the extruder is the core machine, and the screw is the key component of the plastic extruder, so the material of the screw must have the characteristics of high temperature resistance, wear resistance, corrosion resistance, high strength, etc. It should also have the characteristics of good cutting performance, small residual stress after heat treatment, and sm...
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Analysis of plasticizing mechanism in each area of twin screw extruder for PVC products
Jan 06 , 2023
According to the plasticizing process of PVC material in the twin screw extruder, the screw is divided into three areas: solid conveying zone, melting zone, and melt conveying (extrusion) zone. 1. Plasticizing mechanism in solid conveying area In the machine barrel, the flow, preheating and compaction area of solid polymer (PVC) and its additives is defined as the solid conveying area. First of al...
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Common Problems and Solutions in the Production Process of PVC Boards
Apr 06 , 2023
Common Problems and Solutions in the Production Process of PVC Boards Production Line 1. The surface of the board is yellow Causes: Insufficient dose of stabilizers Insufficient external slip and large friction cause material decomposition The set temperature is too high Solutions: Increase the dose of stabilizer Increase the dose of slippery agent Lower the temperature 2. The board su...
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Properties of PVC impact modifier and its application
Apr 11 , 2023
PVC resin is a hard and brittle material with poor impact strength, generally only 3-5 kJ/m. The main reason for the need to improve the impact strength of unplasticized PVC is its sensitivity to notching. Besides, it is necessary to improve its low temperature impact resistance. By co-blending impact modifiers in PVC polymers, the toughness of PVC materials can be increased．These impact modifiers...
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What is PP PPR PE PVC pipe extruder machine？
May 06 , 2023
PP PPR PE PVC pipe extruder are available as single screw extruders and twin-screw extruders. The appropriate extruder will generally be selected according to the specific material. The material transport of single screw extruders is mainly by friction, which leads to a limited dosing performance, with powders, pastes, glass fibers and inorganic fillers being more difficult to incorporate. Further...
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What is PVC pipe and How it Manufactured?
May 29 , 2023
PVC pipe has been in use for over 80 years, servicing a multitude of applications in various market sectors around the world. Compared with metal piping, PVC pipes are exceptionally rigid and durable, with complete corrosion resistance and with little risk of succumbing to thermal expansion or contraction. PVC pipes are commonly used in water supply, plumbing and irrigation, which is lightweight, ...
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Processing of Rigid PVC Foam Board
Jul 05 , 2023
Rigid PVC foam board is made of PVC as the main material, through a special foaming process. Due to its internal structure of fine bubble holes and surface similar to natural wood, it is a very ideal building decoration material and can be widely used in industries such as car and boat manufacturing, furniture, kitchen and bathroom material decoration and so on, with a large market demand. The ext...
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