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What is extrusion blow molding machine?DEMAN Machinery

Views: 0     Author: Site Editor     Publish Time: 2023-02-17      Origin: Site

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Extrusion blow molding is a versatile manufacturing process used for the production of hollow plastic parts. It is a specialized form of blow molding which utilizes a continuous extrusion process to create hollow plastic objects. The process involves two main parts: the first part is a heated extruder which melts raw plastic material and forces it into a blow-mold cavity. The second part is a blow-mold which is clamped around the extruder, forming the plastic part. After the part has cooled, the blow-mold is removed and the plastic part is ejected. 


Extrusion blow molding is a popular choice for producing hollow plastic products because it is a cost-effective, efficient, and reliable process. The process is capable of producing complex shapes with tight tolerances and excellent surface finishes. It also has a fast cycle time and is capable of producing large quantities of parts in a short amount of time. 

Extrusion blow molding machines come in a variety of sizes and configurations and can be used for a wide range of applications. Smaller machines are ideal for producing small plastic containers and bottles, while larger machines are capable of producing larger parts such as drums and tanks. The machines are also equipped with a variety of features including safety systems, part ejectors, and automatic shut-off valves. 

60L machine

When selecting an extrusion blow molding machine, it is important to consider the type of plastic material you will be using. Different materials require different temperature ranges and pressures, and the machine should be able to accommodate these variables. It is also important to consider the size and shape of the part you are producing, as well as the production rate you require. In addition to the machine itself, there are several other components that need to be taken into consideration when purchasing an extrusion blow molding machine. These include a hopper, an extruder, a blow-mold, cooling fans, and a controller. The hopper stores the raw plastic material, while the extruder melts the material and forces it into the blow-mold cavity. The blow-mold forms the plastic part, while the cooling fans and controller regulate the temperature and pressure. Extrusion blow molding is a reliable and efficient process for producing hollow plastic parts. By selecting the right machine for your application, you can ensure that your parts are produced with high quality and accuracy. With the right machine, you can produce large quantities of parts in a short amount of time, making it an ideal choice for many applications.

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