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Detailed Explanation of the New Type 90 Rubber Extruder Equipment

Time：

2018-12-14

In developed countries, extruders have widely adopted modern electronic and computer control technologies. They perform real-time monitoring of process parameters throughout the extrusion cycle—such as melt pressure and temperature, barrel temperatures at different zones, screw speeds of the main and feed screws, feed rate, raw-material ratios, and motor current and voltage—and employ microcomputer‑based closed-loop control. Some companies have even implemented online remote monitoring, diagnostics, and control, enabling networked management of extrusion lines. This approach enhances process stability and improves product precision. High‑speed, high‑output extruders deliver rapid production, allowing investors to achieve substantial output with relatively lower capital investment.

In developed countries, extruders have widely adopted advanced electronic and computer control technologies. They perform real-time monitoring of process parameters throughout the extrusion cycle—such as melt pressure and temperature, barrel temperatures at different zones, screw speeds of the main and feed screws, feed rate, raw-material ratios, and motor current and voltage—and implement microcomputer‑based closed-loop control. Some companies have even implemented online remote monitoring, diagnostics, and control, enabling networked management of extrusion lines. These measures contribute to greater stability in processing conditions and enhanced product precision.

High-speed, high‑throughput extruders enable investors to achieve substantial output and strong returns with relatively low capital investment. However, increasing the screw speed also introduces a series of challenges that must be addressed: shorter residence times in the screw can lead to uneven mixing and plasticization; excessive shear may cause abrupt temperature rises and thermal degradation; difficulties in maintaining extrusion stability can result in dimensional variations in the extrudate; the precision requirements for auxiliary equipment and control systems rise accordingly; and accelerated wear between the screw and barrel necessitates the use of highly wear‑resistant materials. Moreover, issues such as extending the service life of gearboxes and bearings under high‑speed operation must also be resolved.

Scaling up extrusion‑molding equipment can reduce production costs, a benefit that is particularly pronounced in large‑scale twin‑screw pelletizing lines, blown‑film extrusion lines, and pipe‑extrusion lines. For major technological equipment required to support key national projects—such as the large‑scale extrusion‑pelletizing unit, one of the three critical pieces of equipment for large ethylene‑production facilities—domestic manufacturers have long relied on imports. Therefore, accelerating the localization process is essential to meet the needs of petrochemical industry development. Meanwhile, precision engineering enhances product value; for instance, multilayer co‑extruded composite films demand highly precise extrusion, which in turn depends on advanced technologies to achieve such precision.