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As the gear rotates, the melt enters the tooth spaces of both gears of the suction chamber. As the gear rotates, the melt is brought into the discharge chamber from both sides and the gear re-engages, causing the melt in the tooth spaces to be extruded Discharge chamber, pressure delivery to the outlet pipe. As soon as the pump shaft is turned, the gear presses the melt down to the outlet side so that the pump outlet can reach very high pressure with little or no effect on flow and discharge pressure.
Structure principle of high temperature gear pump
A complete gear pump includes a motor, reducer, coupling and pump head several parts, the pump head part of the pump housing, front and rear side cover, gear shaft, sliding bearings and shaft seal composition. High-temperature gear pump is a positive displacement pump, work rely on the main, driven gear changes caused by the work volume changes to transport the melt. Working volume by the pump body, gear tooth groove and the function of the side plate with the composition.