斜盘型轴向柱塞泵在运转过程中,其转子体、斜盘、轴承、联轴节和壳体等产生的机械振动,能直接引起空气噪声;其液体流动产生的压力冲击、压力脉动、气蚀和旋涡等也会激发机械振动,进而引起空气噪声。由此可见,机械和液体都是斜盘型轴向柱塞泵产生噪声的起始扰动因素。为了使斜盘型轴向柱塞泵低噪声化,需对其噪声加以控制。噪声控制的研究主要是:探明产生噪声的机理,改进结构设计和使用条件,以及采用减振、消声和隔声等措施。 Swash plate type axial piston pump during operation, the rotor body, swash plate, bearings, couplings and housings and other mechanical vibration, can directly cause air noise; the liquid flow pressure shock, pressure pulsation , Cavitation and vortex, etc. will also stimulate mechanical vibration, and then cause air noise. Thus, both the mechanical and the liquid are the initial disturbing factors for the noise generated by the swash plate type axial piston pump. In order to make the swash plate type axial piston pump low noise, its noise needs to be controlled. The main research of noise control is to find out the mechanism of noise generation, improve the structure design and use conditions, and adopt measures such as vibration reduction, noise reduction and sound insulation.