Screw And Barrel For Plastic Twin Screw Extruder Machine

Brand Name:BLM-IV-1
Minimum Order Quantity:Negotiation
Delivery Time:25-30 days subject to the clients' requirement and quantity
Payment Terms:Western Union, L/C, T/T
Place of Origin:Jiangsu, China (Mainland)
Price:Negotiation
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Address: B615, Future Fortune Building, No. 1 Wangxi Road, Zhangjiagang City, Jiangsu Province
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Wholesale Screw And Barrel For Plastic Twin Screw Extruder Machine

1. Descriptions


Different types of screw elements can be used in a twin screw exturder.Generally here are four major types of screw elements,kneading elements,backward-pumping elements and mixing elements.For each type here are many different kinds.


100% internal spline is checked with a spline plug gauge to ensure the interchangeability of components.


All of our twin screw extruder elements are finished by CNC grinding after heat treatment. The surface roughness of this series is less than Ra0.8, which completely eliminates the influence of heat treatment deformation on the quality of components.



2 .Twin screw extruder screw element parameter:

Model

Screw Major Diameter (D/mm)Screw Minor Diameter (d/mm)D/dCenter distance(mm)
BM-2021.7141.5518
BM-252516.11.5521.2
BM-3535.623.61.5130
BM-5050.532.51.5542
BM-5251.433.81.5243
BM-6059.643.81.3752
BM-6562.440.51.5452
BM-6869491.4060
BM-7070.647.41.4960
BM-7571471.5160

3. Screw elements

The geometry of the conveying elements enables a good transport of the product through the extruder. Each conveying element is characterized by its number of flights, its length in millimeters, and its pitch. The pitch is defined as the axial length in millimeters, required for a complete thread. Conveying elements with a large pitch have a greater conveying effect than those with a small pitch. These elements are used to forward the material e.g. at feed openings, in order to avoid that pressure increases excessively at the openings.


4 . Pictures:


China Screw And Barrel For Plastic Twin Screw Extruder Machine supplier

Screw And Barrel For Plastic Twin Screw Extruder Machine

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