SEM ZL60G gear pump is a hydraulic power element specially designed for SEM ZL60G loader and other engineering machinery. It is an external gear pump. With its reliable performance and efficient working ability, it plays an important role in the field of engineering machinery.
SEM ZL60G gear pump is mainly composed of a pair of meshing gears, shaft, pump body, pump cover, etc. Made of high-quality materials, the gears are specially nitrided and have high hardness and wear resistance. They can withstand the high-intensity work of the loader under various complex working conditions and extend the service life.
According to different working requirements, SEM ZL60G gear pump has a variety of displacement specifications to choose from, such as the displacement of CBGJ3125 model is 125mL/r, etc., which can meet the flow requirements of different working devices of the loader. The rated working pressure can usually reach about 18MPa, which can provide sufficient power for the hydraulic system of the loader to ensure that the loader has sufficient power during operations such as excavation, loading and unloading.
Loaders are mostly operated on unpaved roads such as mines and construction sites. Potholes, bumps, gravel and other unevenness on the road will transmit impacts to the vehicle body through the tires. The wavelength, amplitude and frequency of the unevenness combined with the vehicle's driving speed will produce vibrations of different frequencies (such as low-frequency vibrations causing vehicle body bumps, and high-frequency vibrations causing resonance). For example, short-wavelength, large-amplitude road bumps will cause severe impacts, while long-wavelength fluctuations may cause vehicle body pitch vibrations.
The suspension of the loader (divided into rigid suspension and elastic suspension) directly determines the vibration transmission efficiency. Rigid suspension (such as the front axle of most loaders) has no elastic elements, and the road impact is almost directly transmitted to the frame, resulting in poor smoothness; elastic suspension (such as the rear axle of some models using coil springs or air springs) absorbs impacts through elastic elements and cooperates with dampers (shock absorbers) to attenuate vibrations, which can significantly improve smoothness. For example, a loader equipped with oil-gas suspension can reduce vibration acceleration by 30%-50%.
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