In this article,influence of hydraulic pressure on the forming is discussed,and some perfect parameters during forming process,such as the hydraulic pressure loading and the maximum hydraulic pressure,are obtained.
用有限元模拟软件Marc对镁合金盒形件的充液拉深成形过程进行了数值模拟,讨论了液压力对成形的影响,得出了成形的比较理想的液压加载方式、最大液压力等参数。
The differences of dynamical hydraulic pressure in two kinds of minitype directional valve are explained theoretically,offering a useful basis is offered for developing minitype directional valve used specially in multi-point forming press.
从理论上解释了两种滑阀动态液压力的差别 ,并为开发多点成形机专用的微型阀提供了理论依据。
Portable intellectual hydraulic pressure analyser;
便携式智能化液压压力分析仪设计
When hydrostatic and hydrodynamic transmission system of construction machinery is in trouble,the user always don t know how to analyze and solve problems.
通过对PY160B型平地机在施工作业时出现的两种故障进行分析，提出解决措施，可为用户解决同类工程机械液压与液力传动系统的故障提供一种分析与排除的方法。
Effects of key process parameters including the shape of pre-forming punch,corresponding pre-forming depth,and cavity pressure on the forming process of the finally formed parts were explored in multi-hydrodynamic deep drawing by using the finite element numerical simulation methods.
采用板多级充液成形方法对难成形复杂薄壁结构的飞行器零件进行了研究,利用有限元数值模拟的方法,分析了预成形凸模形状、预成形深度,以及液室压力等关键工艺参数对成形的影响。
In this paper, aiming at the forming failure types of the sheet hydroforming of complicated aircraft aluminum part, effects of key process parameters including blank shape,cavity pressure etc.
针对某型号飞机铝合金复杂构件充液成形的失效形式,采用有限元数值模拟和试验的手段,研究了毛坯形状、液室压力等关键工艺参数对成形失效的影响,给出了铝合金复杂构件充液成形质量控制的措施,为此类型航空复杂构件的充液成形提供了技术指导。
Research of Modeling and Learning Control of Die Cavity Pressure in Hydrodynamic Deep Drawing Equipment;
充液拉深工艺中液室压力系统的建模及学习控制的研究
a substance that is liquid at room temperature and pressure.
在室内温度和压力下呈液态的物质。
Investigation on local overheating of the film cooling ring for LOX/kerosene high pressure chamber
液氧/煤油高压推力室液膜冷却环局部过热分析
Design of Hydro-Spin Spraying Booth for Railway Vehicles
液力旋压式喷漆室应用于铁道车辆的设计计算
The weight of ventricular blood forces up the cusps of the tricuspid. valve, so that blood cannot flow back.
心室内血液的压力把三尖瓣的各尖瓣举向上方，使血液不能逆流。
hydraulicefficiency ram
液力压头液压缸柱塞
hydrostatic extrusio
静水压挤压;静水压挤压;静液力挤压;静液力挤压;液力静挤压
hydraulic engine
水力(液压)发动机
the pressure of the circulating blood against the walls of the blood vessels; results from the systole of the left ventricle of the heart.
循环着的血液对血管壁压力；是由心脏的左心室收缩引起的。
The correlation between job stress and mental health of nurses in the pediatric transfusion room
儿科门诊输液室护士工作压力与心理健康相关性研究
Numerical Simulation of Pressure Oscillation in Combustion Chamber of Regenerative Liquid Propellant Gun
再生式液体发射药火炮燃烧室压力振荡数值仿真
closed centre hydraulic system with pressure compensation
压力补偿闭心液压系统
constant pressure hydraulic power steering gear
常压式液压动力转向器
hydrodynamic unit change pressure
液力传动装置充油压力
minimum burner pressure valve
燃烧室最小压力活门
firedamp pressure-chamber method
瓦斯压力调节室排放法
chamber pressure versus duration curve
燃烧室压力-时间曲线
Analyses on pressure loss in hydraudic pressure system;
液压系统中液流压力损失的相关分析