介绍了数字轴向柱塞泵的工作原理；
研究结果有助于柱塞泵的振动噪声控制。
The conclusions are helpful to the noise control of piston pump.
本文叙述了对三柱塞泵往复密封的理论计算。
The paper deals with the theoretical calculation of reciprocating seal for three-plunger pump.
目前，数字变量轴向柱塞泵还存在着很多问题。
At present, digital variable displacement axial piston pump has some problems.
主要介绍闭式变量柱塞泵的功能改造和再应用。
This article mostly introduce reconstruction and recycle of close circuit variable pump.
主要介绍闭式变量柱塞泵的功能改造和再应用。
This article mostly introduces the reconstruction and recycle of close circuit variable pump.
液压泵采用恒功率自动变量轴向柱塞泵，以节省能源。
A. Hydraulic pressure ADAPTS constant power variable axial piston pump for energy saving.
产品主要应用于中、高压齿轮油泵、柱塞泵、叶片泵等。
The product is applied to medium, high-pressure gear pump, ram pump, vane pumps, etc.
本章对两种美国高压三柱塞泵的结构和材料选用作了介绍。
This paper presents the construction and the material selection of two kinds of the u.
该产品为可变容量柱塞泵。斜板的设计，高效率，低噪音。
Variable volume piston pump. Swash plate design allows for high efficiency and low noise.
本文选择加速度作为监测物理量，对柱塞泵振动加以研究。
In the paper, to study piston pump, selected signals as monitoring object.
通过控制步进电机的运动，来实现对柱塞泵流量的精确控制。
Through controlling the step motor moving, the accurate control of the piston pump is obtained.
径向柱塞泵配油轴与转子配合间隙直接影响着泵的性能和寿命。
The clearance between oil distribution axle and rotor of radial piston pump can directly influence the performance and life of pump.
分析了斜轴式柱塞泵产生噪声的原因，并提出了减低噪声的方法。
The paper analyzes the reasons why there are noises with Angle plunger pump and puts forward noise reduction measures.
采用恒压变量柱塞泵，输出压力保持恒定，输出流量根据系统需要而变化。
Using constant pressure variables plunger pump, output pressure can keep constant and flow varies as per system's demand.
设计主要有两个部分的内容：液压轴向柱塞泵的噪声分析和结构的改进。
The content of paper includes two parts: the noise analysis of hydraulic axial piston pump and improved design of structure.
分析了轴向柱塞泵工作时易出现的某些故障的原因，并提出了改进措施。
The paper analyses fault reason of the axial piston motor during changing the flow and puts forward some improvement methods.
与柱塞泵、单螺杆泵及齿轮泵不同的是，单螺杆泵可用于药剂填充和计量。
With the piston pump, diaphragm and gear pumps is different is that single-screw pump can be used for pharmaceutical filling and measurement.
水液压柱塞泵的柱塞工况非常恶劣，对材料的强度和耐磨性都有较高要求。
Working conditions of plunger in water hydraulic plunger pump is quite adverse, and its material needs rather high requirements on strength and wearability.
本文介绍一种新型径向柱塞泵的结构，分析其低噪声、低泄漏的结构原因。
This article deals with the Structure of a new dimensional pump and analyses Structural cause of its low-noise and little-leakage.
本文对轴向柱塞泵或马达缸体与配流盘之间的稳态油膜流动做了数值计算。
Sealing and lubricating fluid film between port plate and cylinder block of axial piston machines has complex shapes.
为了验证压裂车和柱塞泵的性能，进行了台架试验、出厂试验和现场工业试验。
In order to verify the performance of fracturing truck and plunger pump, bench test, final assembly test and field industrial test should be performed.
采用固定冲程的柱塞泵，省去复杂的机械冲程调节装置，使柱塞直接推动膜片工作。
Adopting piston pump with fixed stroke, the piston directly propels the diaphragm, thus deleting the complex mechanic stroke adjustment equipment.
用功率键合图对电液比例径向柱塞泵控制系统进行建模，导出一组相对简单的方程。
Simpler equation was educed by using power bond-bound graph for the model founding of the electro-hydraulic proportional radial piston pump controlling system.
就针对如何降低泵的噪声问题，本人设计出了一种新型的低噪声双作用径向柱塞泵。
Aiming at how to reduce the pump noises, a new type of double acting piston radial pump with lower noises is designed here.
本文介绍了静压支承原理，并利用静压支承原理对新型径向柱塞泵的滑靴进行了设计。
The principle of hydrostatic pressure bearing is introduced in the paper, the sliding boot of radial piston pump is designed by using principle of hydrostatic pressure bearing.
柱塞泵使用寿命的长短，与平时的维护保养，液压油的数量和质量，油液清洁度等有关。
The ram pump service life's length, with the usual maintenance maintenance, hydraulic fluid quantity and the quality, the fat liquor cleanliness and so on concerns.
分析了柱塞泵中填料失效的原因，介绍了TFA填料在柱塞泵中的安装要点及应用效果。
The paper mainly tells the failure result of packing in plunger pumps and briefly introduces the installing focus and applying efficiency of TFA packing in plunger pumps.
本文对轴向柱塞泵的非线性特征进行了深入的分析与研究，给出了准确完整的数学描述。
In this paper, the nonlinear characteristics of axial piston pumps have been analyzed and explored thoroughly, and the precise mathematical descriptions have been presented.
本文对轴向柱塞泵的非线性特征进行了深入的分析与研究，给出了准确完整的数学描述。
In this paper, the nonlinear characteristics of axial piston pumps have been analyzed and explored thoroughly, and the precise mathematical descriptions have been presented.
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