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Sigma Mixer with Extrusion Discharge Device It can be made into four types: ordinary type, pressure type, vacuum type, and high temperature type. The temperature control form adopts jacket, steam, oil heating, water cooling and other methods, and uses hydraulic cylinder flipping and cover opening. The discharge methods include hydraulic, tilting cylinder, ball valve discharge, screw extrusion, etc. And real-time control and recording of temperature, time, viscosity and other related data during production can be achieved through PLC. The cylinder body, blades, and material contact parts are all made of stainless steel to ensure product quality. Stainless steel screw extrusion kneading machine
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Its sigma blades (operating at differential speeds) knead materials to a homogeneous consistency within a jacketed mixing chamber, while an integrated extrusion screw discharges the material in a continuous, uniform profile. This combination eliminates the need for manual transfer between mixing and extrusion stages, streamlining production and reducing material loss. It is particularly valued for processing materials that require both thorough kneading and consistent shaping.
Parameter | Specification |
Total Capacity | 50L - 2000L, with working capacity of 30% - 70% |
Power | 15kW - 110kW (kneading); 2.2kW - 15kW (extrusion) |
Extrusion Speed | 5 - 30 mm/s, synchronized with kneading speed for continuous operation |
Motor Power (Kneading/Extrusion) | Variable frequency drives for both systems, with torque monitoring |
Discharge Opening Diameter | 50mm - 200mm, with interchangeable dies for different cross - sectional shapes (round, square, rectangular) |
Continuous Production: The integrated system reduces batch processing time by 30% compared to separate mixing and extrusion units, with a typical output of 50 - 500 kg/h depending on material viscosity.
Uniform Extrusion: The extrusion screw's progressive pitch ensures constant pressure, resulting in dimensional consistency of ±0.5mm for profiles, critical for downstream processes like cutting and assembly.
Heavy - Duty Construction: The frame is fabricated from 10mm thick carbon steel with epoxy coating; mixing chamber and blades are 304/316 stainless steel with hardness up to 220 HB for wear resistance.
PLC Control System: A touchscreen HMI allows programming of kneading time (0 - 60 minutes), temperature (up to 200°C), and extrusion speed, with recipe storage for up to 100 formulations.
Stainless steel screw extrusion kneading machine and hot melt adhesive screw extrusion kneading machine are widely used in the mixing, kneading, crushing, stirring, vulcanization, and re polymerization of high viscosity and high elastoplastic materials. Kneading machines have advantages such as uniform stirring, high kneading efficiency, etc. This machine has a wide range of functions, varieties, and applications, especially suitable for industries such as chewing gum, bubble gum, toothpaste, plastics, rubber, silicone rubber, dyes, pigments, inks, food adhesives, pharmaceuticals, building coatings, carbon, fiber, high viscosity sealants, neutral glass adhesives, aluminum silver paste, silicone gel, pulp, cellulose, battery pastes, dyes, silicone resins, cosmetics, etc.
Stainless steel screw extrusion kneading machine and hot melt adhesive screw extrusion kneading machine are produced by a pair of Sigma blades that cooperate and rotate with each other to generate strong shear force, enabling semi dry or rubber like viscous plastic materials to react quickly and obtain uniform mixing and stirring. The speed of the two blades is different, and different speeds can be set according to different processes. The most common speed is 42/28 revolutions per minute.
The transmission part of the screw extrusion kneading machine and hot melt adhesive screw extrusion kneading machine is synchronized by a motor, and after passing through an elastic coupling to the reducer, the output device drives the fast slurry to reach the specified speed, which can also be adjusted by a frequency converter.
Designed in heating and non heating forms according to requirements, heat exchange methods usually include electric heating, steam heating, circulating hot oil heating, circulating water cooling, etc.
The discharge methods of the kneading machine include hydraulic tilting, ball valve discharge, screw extrusion, etc. The cylinder body, blade and material contact parts are made of SUS304 stainless steel to ensure product quality.
Q: How to adjust the extrusion speed?
A: The PLC control panel allows stepless adjustment of extrusion speed between 5 - 30 mm/s. For optimal results, it is recommended to match the extrusion rate to the kneading speed to maintain consistent material density.
Q: What is the maximum material viscosity it can handle?
A: It efficiently processes materials with viscosity up to 1,000,000 cP, including high - filled composites (up to 70% filler content) and rubber compounds with high cure rates.
Q: Can it handle materials with fibrous reinforcements?
A: Yes, when equipped with a specially designed breaker plate, it can process materials with short fibers (up to 10mm length) such as glass - fiber reinforced plastics, ensuring uniform fiber dispersion without excessive breakage.
