Why can the HYDRAULIC GEAR PUMP work cycle

HYDRAULIC GEAR PUMP is a type of positive displacement (PD) pump. External gear pumps utilize the action of rotating gears or gears to deliver fluid. The rotating gear forms a fluid-tight seal with the pump casing and creates a vacuum at the pump inlet. Fluid drawn into the pump is enclosed within the cavity of the rotating gear and diverted to the discharge port. The HYDRAULIC GEAR PUMP provides a smooth, pulse-free flow proportional to the speed of its gear. HYDRAULIC GEAR PUMP comes in two basic designs: internal and external. There are two interlocking gears of different sizes, one rotating inside the other. The working cycle of external gear pumps is divided into three phases: filling, conveying, and conveying.

Here is the content list:

• HYDRAULIC GEAR PUMP WORKFLOW

• HYDRAULIC GEAR PUMP DESIGN

HYDRAULIC GEAR PUMP WORKFLOW

When the gears of the HYDRAULIC GEAR PUMP disengage on the inlet side of the pump, they create an enlarged volume. As the gear continues to rotate against the pump casing, liquid flows into the cavity and is trapped by the gear teeth. The trapped fluid moves around the casing from the inlet to the discharge. When the teeth of the tooth of the gear interlock on the discharge side of the pump, the volume is reduced and the liquid is pushed out under pressure. Because the HYDRAULIC GEAR PUMP is interlocked, no fluid is passed back through the center between the gears. The tight tolerances between the gear and housing allow the pump to create suction at the inlet and prevent fluid leakage from the discharge side (although low-viscosity liquids are more likely to leak).

HYDRAULIC GEAR PUMP DESIGN

HYDRAULIC GEAR PUMP designs can use spur, helical or herringbone gears. The helical gear design reduces pump noise and vibration as the teeth gradually engage and disengage throughout the rotation. However, it is important to balance the axial forces generated by the helical gear teeth, which can be achieved by mounting together two sets of "mirrored" helical gears or by using a V-shaped herringbone pattern. With this design, the axial forces generated by each half of the gear cancel each other out. The advantage of spur gears is that they can run at very high speeds and are easier to manufacture. The outer HYDRAULIC GEAR PUMP consists of two identical interlocking gears supported by different shafts. Typically, one gear is driven by a motor, which drives the other gear (the idler gear). In some cases, both axes can be driven by motors. The shaft is supported by bearings on both sides of the housing.

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