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What is a water pump for excavator?

What is a water pump for excavator?

what is a water pump for excavator? Pump engine using a centrifugal pump. The pump consists of housing, impellers, bearings, shaft, seal, and drive pulleys and other components. housing Pump casing is made of cast iron of cast aluminum. Large cast iron housing wall thickness and quality, with the improvement of engine weight reduction requirements, currently only available on some […]

Author:HuaJing Time:2021-1-18
What is a CrankShaft?

What is a CrankShaft?

The crankshaft is the main rotating part of the engine. After the connecting rod is installed, the up and down (reciprocating) motion of the connecting rod can be changed into cyclic (rotating) motion. Is an important part of the engine, made of carbon structural steel or ductile iron, has two important parts: spindle neck, connecting […]

Author:HuaJing Time:2020-12-27
Instructions and Attentions For The Oil Pump

Instructions and Attentions For The Oil Pump

Following the request below to install oil pump with some accessories.(for example: bush, o-ring, gasket) Oil pump must keep clean, renew the filter on time and impurity is not available, which will break the inner accessories of oil pump, and affect its performance. Please pour clean oil into inlet and outlet hole before use, and […]

Author:HuaJing Time:2020-12-27
Pressure Limiting Valve Installation and Function

Pressure Limiting Valve Installation and Function

Structure: Pressure limiting valve is fixed in oil pump house, it has steel ball type or plunger type. When the oil pressure in outlet is up to a certain height, the steel ball will be pushed away by the pressure affect on ball surmount the spring thrust of pressure limiting valve. And some lubricating oil […]

Author:HuaJing Time:2020-12-20
Internal gear oil pump working principle

Internal gear oil pump working principle

There is eccentricity between the driving and driven gear, the oil will be sucked when oil pump is running under driving crankshaft to make  the internal and external gear disengaged. The gear is keeping turning and internal and external gears will be separated by the crescent block. Thus, the oil in gear flow to outlet […]

Author:HuaJing Time:2020-12-13
Gear Oil Pump

Gear Oil Pump

According to gear mesh, they are external gear oil pump(eg. CAT336D C9 Oil pump) and internal gear oil pump. External gear oil pump working principle: It is composed of driving shaft, driving gear, driven gear and pump house. Two same tooth of gears are engaged, this driving gear turns driven gear to rotate in reverse […]

Author:HuaJing Time:2020-12-11
Rotor Oil Pump

Rotor Oil Pump

The working principle of rotor oil pump. The inner rotor and outer rotor are assembled in oil pump house with a certain eccentricity. Inner rotor is fixed on drive shaft, outer rotor rotates freely, their each teeth converged on one point when inner rotor rotates with shaft. It makes working chamber which rotates from oil […]

Author:HuaJing Time:2020-12-10
What is a Oil Pump?

What is a Oil Pump?

Oil pump is the important parts in lubricating system which is one of the five major systems in engine. 1.The Function Of Oil Pump. Oil pump is forced feed oil to each friction for raising oil pressure and ensuring engine oil capacity. 2.Oil Pump Types and Working Principle.

Author:HuaJing Time:2020-12-9
What is a motor starter?

What is a motor starter?

A starter motor is a device that is capable of turning over an internal combustion engine until the process of combustion takes over. Motor starters are one of the major inventions for motor control applications. As the name suggests, a starter is an electrical device which controls the electrical power for starting a motor. These […]

Author:HuaJing Time:2019-9-7