With the acceleration of Industry 4.0 upgrade, intelligent extrusion systems equipped with high-precision sensors are rapidly becoming popular. The high-temperature melt pressure sensor launched by GEFRAN can withstand high pressure of 2500 bar and high temperature of 350 ℃. It achieves pressure data acquisition with precision of 0.01 bar during rubber extrusion process, and combines with displacement sensor to form a closed-loop control system, which improves product size consistency by 30%.
At the application site of a certain automobile tire enterprise, the sensor system dynamically adjusts the screw speed and temperature parameters through PID algorithm, reducing the tire surface extrusion waste rate from 3.2% to 0.8%, and reducing raw material waste by more than 200 tons per year. More noteworthy is its predictive maintenance function - by analyzing pressure fluctuation curves, it can provide 72 hours in advance warning of screw wear, melt blockage and other faults, reducing unplanned downtime of equipment by 60%. According to statistics from the China Chemical Machinery Industry Association, the installation rate of intelligent sensors in newly manufactured extruders in 2025 has reached 78%, an increase of 32 percentage points compared to 2023.