Working Principle of Gear PumpsHigh-temperature gear pumps are positive displacement pumps that operate by the interlocking of the main and slave gears, which causes changes in the working volume to transport the melt. The specific process is as follows:

　　Working Principle of Gear PumpsHigh-temperature gear pumps are positive displacement pumps, operating on the principle of changing the working volume through the interlocking of the main and driven gears to transport the melt. The specific process is as follows: