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ZME Screw Element
Product Name: ZME（Zigzag Mixing Element）
Model：φ11 mm ~φ350mm
Applicable Brands：Most well-known extruders on the market
Material: Tool steel, HIP, stainless steel, nickel-based alloy, cobalt-based alloy, etc.
Properties: Wear-resisting, Corrode-resisting and durable.
Structural Features:
The ZME element represents an upgraded version of the TME element, featuring a slight reverse conveying capacity (albeit extremely weak). Its functions are largely consistent with those of the TME element, but it offers self-cleaning capabilities, though at the cost of more complex installation.
The ZME toothed element is highly dispersive and is typically formed by machining positive tooth grooves along the thread edges of a single-flighted reverse-threaded barrel. These grooves create staggered angles between adjacent threads with a small lead, enabling continuous cutting and stretching of materials within the helical channels, thereby achieving intense kneading action.
Functional Characteristics:
Forward Conveying with Enhanced Mixing: Maintains primary material transport while inducing axial redistribution through the reflux channels, improving both distributive and dispersive mixing.
Low Shear Heat Generation: The design minimizes intense shear zones, resulting in significantly lower heat generation compared to other mixing elements (e.g., kneading blocks).
Energy Efficiency: Among screw mixing elements, the SME exhibits the lowest energy consumption due to its gentle mixing action, making it ideal for heat-sensitive materials.
Applications:
Melting and Metering Zones: Commonly placed in the melting and extrusion sections of twin-screw extruders to enhance melt uniformity without excessive shear.
Intermediate Mixing in Low-Shear Configurations: Positioned between 45° or 60° kneading blocks in low-shear screw profiles to provide supplementary distributive mixing, ensuring consistent dispersion of additives or fillers.
Heat-Sensitive Processes: Suitable for processing polymers prone to thermal degradation (e.g., PVC, certain engineering plastics) by maintaining low shear stress while improving mixing efficiency.
The SME element’s unique combination of conveying efficiency and mild mixing action makes it a versatile choice for applications requiring uniform dispersion with minimal thermal or mechanical stress on the material.
ZME Screw Element
Product Name: ZME（Zigzag Mixing Element）
Model：φ11 mm ~φ350mm
Applicable Brands：Most well-known extruders on the market
Material: Tool steel, HIP, stainless steel, nickel-based alloy, cobalt-based alloy, etc.
Properties: Wear-resisting, Corrode-resisting and durable.
Structural Features:
The ZME element represents an upgraded version of the TME element, featuring a slight reverse conveying capacity (albeit extremely weak). Its functions are largely consistent with those of the TME element, but it offers self-cleaning capabilities, though at the cost of more complex installation.
The ZME toothed element is highly dispersive and is typically formed by machining positive tooth grooves along the thread edges of a single-flighted reverse-threaded barrel. These grooves create staggered angles between adjacent threads with a small lead, enabling continuous cutting and stretching of materials within the helical channels, thereby achieving intense kneading action.
Functional Characteristics:
Forward Conveying with Enhanced Mixing: Maintains primary material transport while inducing axial redistribution through the reflux channels, improving both distributive and dispersive mixing.
Low Shear Heat Generation: The design minimizes intense shear zones, resulting in significantly lower heat generation compared to other mixing elements (e.g., kneading blocks).
Energy Efficiency: Among screw mixing elements, the SME exhibits the lowest energy consumption due to its gentle mixing action, making it ideal for heat-sensitive materials.
Applications:
Melting and Metering Zones: Commonly placed in the melting and extrusion sections of twin-screw extruders to enhance melt uniformity without excessive shear.
Intermediate Mixing in Low-Shear Configurations: Positioned between 45° or 60° kneading blocks in low-shear screw profiles to provide supplementary distributive mixing, ensuring consistent dispersion of additives or fillers.
Heat-Sensitive Processes: Suitable for processing polymers prone to thermal degradation (e.g., PVC, certain engineering plastics) by maintaining low shear stress while improving mixing efficiency.
The SME element’s unique combination of conveying efficiency and mild mixing action makes it a versatile choice for applications requiring uniform dispersion with minimal thermal or mechanical stress on the material.
