SJ Single Screw Extruder

Single screw extruder definition
SJ single screw machine is a type of extrusion machine used in the plastic processing industry for forming and shaping plastic materials. The machine works by melting the plastic material and pushing it through a die to form a specific shape. SJ Single Screw Extruders are used for a wide range of applications, including the manufacturing of plastic pipes, films, and sheets, as well as wire and cable coatings. They come in various models and sizes to meet specific production requirements and can process a broad range of plastic materials.

Features of SJ single screw extruder china
Some essential characteristics that distinguish a high-quality SJ Single Screw Extruder from other extrusion devices are the following. Firstly, it should be designed for efficient and reliable operation, with superior temperature and pressure control and a high degree of automation. These machines should also be equipped with advanced safety devices to minimize the risk of failures or accidents. The screw design should be optimized for the specific plastic material being processed, with the ability to handle a wide range of materials and formulations. Additional features of high-quality SJ single screw extruder in china can include energy efficiency, lower maintenance requirements, and the ability to operate at higher production speeds.
It can process all kind of plastic products with auxiliary machines concerned such as film pipe stick plate thread ribbon insulating layer of cable hollow products and so on. It is also used in graining. The machine design is advanced production capacity is high plasticization is good and energy consumption is low. The extruder adopts hard gear surface for transmission. It has advantages of low noise smooth operation large loading long use-life and so on.

Technical Specification of SJ Single Screw Extruder

Model L/D Capacity Screw speed Power Center height
SJ-45 25-38/1 20-80kg/h 120r/min 7.5-22kw 1000mm
SJ-65 25-38/1 60-200kg/h 120r/min 37-55kw 1000mm
SJ-75 25-38/1 120-400kg/h 120r/min 55-110kw 1000mm
SJ-90 25-38/1 250-600kg/h 120r/min 55-180kw 1200mm
SJ-120 25-38/1 600-1200kg/h 90r/min 90-315kw 1200

The Advancements in Extruder Screw Design for SJ Single Screw Extruders
Advancements in extruder screw design have led to significant improvements in the efficiency and versatility of SJ Single Screw Extruders. Newer screw designs have a lower pressure drop, which allows for faster processing times and reduced energy consumption. Variable pitch and depth screw designs have also been developed, which are capable of handling a wider range of plastic materials and formulations. Improved wear-resistant coatings and surface treatments have also led to longer-lasting extruder screws with improved corrosion and abrasion resistance. Additionally, computer simulation and modeling tools can now be used to optimize screw design for specific applications, resulting in increased efficiency and reduced waste.


If you are looking for a reliable single screw extruder company, don't hesitate to contact us!

For more information about single screw extruder cost, please feel free to contact us!

There are many plastic processing machine manufacturers, but we are one of the best choices for you.