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Home > Products list > Plastic Machinery & Equipment > Double Screw Industrial Extruder

Double Screw Industrial Extruder

Plastic Machinery-Extruder-Twin-Screw Extruder
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Plastic Machinery-Extruder-Twin-Screw Extruder

Brief Description:A twin-screw industrial extruder consists of several parts including the drive unit, feeding device, barrel, and screws. The functions of these components are similar to those in a single-screw extruder, as shown in Figure 1. The difference between a twin-screw extruder and a single-screw extruder lies in the fact that the twin-screw extruder has two parallel screws placed within a barrel with an "∞" shaped cross-section.

　　Twin-screw industrial extruderIntroduction:
It is composed of several parts including the transmission device, feeding device, barrel, and screws. The function of each component is similar to that of a single-screw extruder, as shown in Figure 1. The difference from a single-screw extruder is that a twin-screw extruder has two parallel screws placed in a barrel with an "∞"-shaped cross-section.

Features: Equipped with the corresponding screw and auxiliary equipment, it can directly extrude various thermoplastics, especially rigid polyvinyl chloride powder, into pipes, sheets, films, and profiles, and can also complete the modification of various plastics and the granulation process of powders. It uses a DC motor, thyristor infinite speed control, and is equipped with overload protection and fault alarm, screw core oil circulation constant temperature, barrel oil cooling, and is fitted with a vacuum exhaust pipe device and a quantitative feeding device.


Composition


1. The transmission part provides torque for the screw, and a strong torque output is the guarantee for the efficient operation of the twin-screw extruder; the extrusion part mainly consists of the barrel, screw elements, and core shaft, where the material completes plasticization, mixing, and extrusion.
2, All of its technological advancements are also concentrated in these two parts, constituting the hallmark of the updates and iterations of twin-screw extruders.



　　Twin-screw industrial extruderMaintenance:
Before each threading operation, the chips in the die's chip flute and in the threads should be thoroughly cleaned.
Before threading, check the diameter of the round bar and the chamfer at the end.
3. During threading, the cutting torque is very high, which can easily damage the already machined surface of the round bar. Therefore, a V-shaped groove pad made of hard wood or a thick copper plate as a protective sheet should be used to hold the workpiece. The length of the workpiece extending out of the jaws should be as short as possible without affecting the required length of the thread.
4. When threading, the die face should be perpendicular to the round rod, and force should be applied evenly. At the beginning of turning the die, apply a little pressure. After threading 3~4 threads, you can just turn without applying pressure, and frequently reverse to facilitate chip breaking.
5. When threading on a steel round bar, apply machine oil for lubrication.


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Product Consultation
Supplier
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Nanjing Xintuo Intelligent Equipment Co., Ltd.
location
China JiangsuProvince
Main products
Screw extruder, plastic auxiliary systems
About Us
Nanjing Xintuo Intelligent Equipment Co., Ltd. was established on May 29, 2020, with Zhou Xianting as the legal representative. The registered capital is 10 million RMB, and the unified social credit code is 91320113MA21LF2H92. The company is located in the Baima Town Industrial Concentration Zone, Lishui District, Nanjing City. It belongs to the other manufacturing industry. Its business scope includes: Permitted projects: import and export of goods; import and export of technology (projects that require approval by relevant departments can only be carried out after obtaining such approval, specific business items are subject to the approval results). General projects: sales of intelligent material handling equipment; research and development of machinery and equipment; general equipment manufacturing (excluding special equipment manufacturing); specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); sales of metal products; wholesale of electronic components; sales of instruments and meters; sales of artificial intelligence hardware; processing and sales of mechanical parts and components; general component manufacturing; sales of plastic products; production and sales of Class I medical devices; sales of Class II medical devices; sales of health supplies and disposable medical supplies; sales of special labor protective equipment; technical services, technical development, technical consultation, technical exchange, technology transfer, and technology promotion (except for projects that require approval, activities can be conducted independently according to the business license). The current operating status of Nanjing Xintuo Intelligent Equipment Co., Ltd. is active (in operation, open, registered).

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