What is the development of the twin screw extruder
What is the development of the twin screw extruderTwin-screw extruder is divided into meshing type and non-meshing type according to the relative orientation of the two screws. The meshing type is divided into a partial meshing type and a full meshing type according to the degree of meshing. Twin screw extruders are divided into two categories: co-rotating screw and counter-rotating screw according to different screw rotation directions. Reverse rotation can be divided into inward and outward.
In the past two decades, twin-screw extruders have developed very agilely, and have developed and applied various series of twin-screw extruders. The number of twin screw extruders in Western Europe has accounted for more than 90% of the total number of extruders. The twin-screw extruder is almost 100% used in the pipe granulator. It can be seen that it occupies a very important position in the rubber and plastics industry.
The basic requirements for twin-screw extruders include the following five points: Quality: Quality is valued by the user. The production quality of the extrusion is a commitment to the customer, is the company’s life, and is closely related to the company’s development, so it can be Whether to ensure the consistency of each batch of products for a long time is an important policy for checking the quality of an extruder.
Power: Power is a further inspection policy. On the basis of ensuring quality, the product yield per unit time is high. It is the policy that every company seeks. It is also the only way for the company to quickly develop. Out of the machine was one of the main development directions of the extruder manufacturing technology at that time. Cost: The forward power itself is one of the ways to reduce the cost. The forward power directly reduces the energy consumption of water, electricity and gas per unit time. That is, the work cost is reduced. The manpower cost and processing cost of the company's concern are also reduced accordingly. Demand and demand for land have declined accordingly.
Usage: The power is inversely proportional to the life. The forward power can cause the service life to decrease. In order to ensure or increase the service life under the premise of high power, it is necessary to use more economical materials, that is, use a screw with high wear resistance. Material, high-strength mandrel. Useful: From the perspective of the user, whether the equipment is easy to operate and maintain, whether the equipment can work safely, and whether the failure rate is high or low is also one of the policies for checking the quality of an extruder.
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