It puts forward the key factor which influences of enhancing pressure of gear pump is the bearings ratio to press and the whole stiffness of gear pump, and gives some methods. 文章通过试验数据和理论计算等分析了影响提高齿轮泵额定压力的因素,提出了影响齿轮泵上压力等级的关键因素是轴承比压和泵的整体刚度,并给出了一些方法。
Abstract: At present, in continuous extrusion processing of micro-cellular plastics, the two pressure drop cell nucleation apparatus of the nozzle and gear pump are used. 罗茨增压泵,机械增压泵文摘:在连续微孔挤出加工中,当今采用喷嘴和齿轮泵两种快速压降成核装置。
This paper focuses on: effects of different hobbing cutter's pressure angles and pressure angle values on gear machining when hobbing cutter to cut injection pump gear is designed. 前言:本文着重论述了在设计与加工油泵齿轮滚刀时,其滚刀压力角的选择以及压力角的大小,对加工齿轮时所产生的各种影响。
Oil-trap results from the work principle of gear pump, and it directly influences the performance and lifespan of gear pump. Reducing pressure in trapping area is of great importance to enhance performance of gear pump. 困油现象是由齿轮泵自身工作原理造成的,它直接影响着齿轮泵的工作性能及寿命。
Noise reducing measures of low pressure gear pump 低压齿轮泵降噪措施
Standardization Design of High-Pressure Gear Pump Case 高压齿轮泵壳体规范化设计的探讨
Theoretical analysis simulation and experimental research of transient region pressure for high pressure gear pump 典型高压齿轮泵过渡区压力的理论分析与仿真实验研究
Aiming at the characteristics of structure and performance of pump body in high pressure gear pump, squeezing casting was employed to manufacture the pump body, and the optimized die structure parameters and processing parameters were provided. 针对高压齿轮泵前后泵体结构、性能要求等特点,研究了挤压铸造生产前后泵体的工艺过程,给出了最佳的模具结构参数和工艺参数。
By analyzing the pressure distribution between gears and sealing blocks in compound gear pump with three idlers, the resultant hydraulic forces acting on seal blocks are obtained. 通过对具有3个惰轮的定轴轮系复合齿轮泵各齿轮齿顶圆与密封块间的压力分布规律的分析,求出各齿轮与密封块间的液压油对密封块产生的液压力合力。
The hydraulic pump as the energy transformation unit, has great effect to total efficiency of hydraulic pressure system. But the effectiveness is decided chiefly by the element physical design. But the gear pump effectiveness consists of volume efficiency and mechanical efficiency mainly. 液压泵作为能量转换装置,对液压系统的总效率影响很大,而效率的高低,主要取决于元件的结构设计,而齿轮泵的效率主要包括容积效率和机械效率。
After analysis and comparison, it's concluded that the geometrical flow and pressure pulsation rate are far less than those of identical numbers of teeth of outer gear pump and it has excellent flow well-distributed and very low noise which verified the correction of the theory. 比较本样机和一般外齿轮泵的压力脉动曲线,结果表明,复合齿轮泵的几何流量脉动和压力脉动远小于同齿数的外齿轮泵,具有优良的流量均匀性和极低的噪声。
Test and research on the CBZ 2 high pressure gear pump CBZ2高压齿轮泵性能检测试验研究
Research for The Base Pressure in The Impulse Test for Gear Pump 齿轮泵冲击试验中基础压力的研究
Design of trapping pressure test system in gear pump 齿轮泵困油压力测试系统设计
Yet with the pressure ascend, the effectiveness of gear pump cuts down, inner leakage adds, make drive power loss. 但随着压力升高,齿轮泵的效率降低,内泄漏增加,造成功率损失。
Study on New Method of Reducing the Trap Pressure of Gear Pump 降低齿轮泵困油压力新方法的研究
But the vibration and noise problems, that caused by the trapped oil raises pulsation pressure, are more severe, so the gear pump should not be used in the equipment fixed on smooth requirements. 但其困油现象引发压力脉动造成振动和噪声的问题比较严重,因而不宜用在要求平稳的固定设备上。
Base on the error compensation principle, compare and analysis the two measuring head design ( pump body ring pressure and gear ring pressure), select the gear ring pressure measuring head to prevent measurement pump axial channeling dynamic. 从误差补偿的角度对比分析了泵体环压和齿轮环压两种测量头的设计方案,选择齿轮环压测量头以防止测量时齿轮泵的轴向窜动。
With the development and application of gear pump in high temperature, high pressure, large displacement, low flow pulsation and low yawp. It is necessary for us to study the characteristics and improve safety and efficiency of gear pump. 随着齿轮泵在高温、高压、大排量、低流量脉动、低噪音等方面发展及应用,对齿轮泵的特性研究及提高齿轮泵的安全和效率已成为各国深入研究的课题。