Hydraulic gear pumps are widely used in various industrial and mobile applications to move hydraulic fluid under pressure. They are known for their simple design, durability, and efficiency. A hydraulic gear pump works by using the interlocking gears to create suction and discharge hydraulic fluid. To understand its operation fully, it's important to know the main parts that make up a hydraulic gear pump and how they function together.

Gears

The core components of a hydraulic gear pump are the driving and driven gears. These gears are responsible for creating the pressure that moves the hydraulic fluid through the system. The driving gear is powered by an external motor, while the driven gear rotates in sync. As the gears mesh together, they trap and carry fluid from the inlet to the outlet side of the pump. These gears must be properly aligned to ensure consistent fluid flow and avoid damage to the system.

Housing

The housing, or pump body, encloses the gears and directs the flow of hydraulic fluid through the pump. It is typically made from durable materials such as cast iron or aluminum to withstand the high pressure exerted during operation. The housing ensures that the gears stay in place and provides the necessary sealing to prevent fluid leakage. The design of the housing is critical to the pump's efficiency and durability.

Inlet and Outlet Ports

The inlet and outlet ports are the entry and exit points for hydraulic fluid in the pump. The inlet port allows fluid to enter the pump under low pressure, while the outlet port discharges the fluid under high pressure. Proper sealing of these ports is essential to prevent fluid leaks and maintain the pump's performance.

4. Shaft and Bearings

The shaft connects the driving gear to the motor, transferring rotational energy to the pump. Bearings support the shaft and ensure smooth rotation of the gears, minimizing friction and wear.

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MODEL    
VC14-03
The oretical exhaustion ml/r
136        
Rated pressure kgf/cm2
80
Rated revolution rpm
800
Min. Revolution rpm    
350
Max. testing pressure kgf/cm2    
210
Max. Revolution rpm    
1800
Valve control wire actuating force  kg    
15
G.W. of the oil pump kg
39