最讲究的流道是针阀式热流道设计。
The most sophisticated runner design is the valve gated hot runner design.
比较了不同流道设计对电池性能的影响。
The influence of fuel cell performance with various flow channel design were studied.
流道设计与进浇口位置除了关系到充填时间的长短,更直接影响充填是否平衡。
Besides filling duration, runner design and gate location matter a lot to flow balance as well.
在完全、圆形流道设计结构下,既可以提供金属阀座阀门,也可以提供弹性阀座阀门。
Both metal and resilient seated valves are offered in a full, round port design.
水轮机选型设计的任务是确定水轮机的主要性能参数和结构控制参数,完成水轮机的流道设计。
The task of hydraulic turbine type design, is to decide the main property parameter and the structure control parameter, to finish the design of the pipeline of hydraulic turbine.
模具设计:选用小的脱模角度减少粘焊,避免尖角应力造成开裂,优化流道设计减少冲蚀…更多。
Design: adopt small draft Angle to reduce soldering, avoid sharp corner to reduce crack, optimize runner system to reduce erosion.
提出在流道设计时应最大限度地利用流道宽度方向的扩散,以免出口断面的有效面积过多地被旋涡挤占。
It is suggested that the diffusion in the horizontal direction of the conduit should be utilized to restrain the effect of the vortex.
详细讨论了热流道板的流道设计、加热形式及热功率计算、热膨胀量补偿以及密封等问题,并对流道板的制造方法作了介绍。
The design and manufacture of hot runner plates, including its runner, heating mode, calculation of thermal power, compensation for thermal expansion amount and sealing, etc. were discussed in detail.
清洗液阀的内部结构和过流能力的一般关系是通过大量的有限元计算而得出的,对各类阀门的结构和流道设计有指导作用,因此清洗液阀的改型具有重要的意义。
The relationship between the flow capacity and inner structure is the guidance to the structure design and fluid road design, so the change of the structure is of importance.
提出了按水泵给定流道参数和转数,从水轮机方向计算叶型的全三维逆向设计方法。
This paper proposes a three-dimension reverse design method of blade based on turbine according to the flow parameters and revolution of pump.
要优化水泵水轮机转轮设计,应了解包括转轮在内的水泵水轮机全流道的流动特性。
To optimize the design of pump-turbine runner, we should understand the flow characteristics of the pump turbine, including the runner.
进水流道水力设计优化可有效地改善进水流道出口流态,确保水泵有良好的进水条件,大幅度提高水泵装置效率。
The optimal hydraulic design can effectively improve the outlet flow pattern of suction box to ensure better flow conditions for pump and raise the efficiency of pumping system substantially.
为了监测各工程部位安全状态,设计分别在边坡、坝、洪道、流洞等工程部位布置了相关观测仪器。
In order to monitor project's safety status of every section it is designed to arrange some interrelated instruments at slope dam spillway and diversion tunnel.
设计的阀门采用了金属-金属的平面硬密封结构,在流道附近采用耐磨损的材料,提高阀门密封面的磨损寿命。
The new designed valve has metal-metal plane hard airproof structure, using durably grinding material near the flowing road to improve the airproof surface usage life-span.
本文介绍了开发该制品所用的渐变型衣架式机头流道的结构设计和计算。
This article introduced the structure design and the computation of nose flow with tapered clothes rack type for developing the product.
在注塑模设计中,分流道+和浇口的设计对塑料成型的质量影响较大,一直是人机交互式流道+设计的难点。
In the design of multi-cavity injection mold, the design of the branch of flow channel and the gate has great influence on the quality of plastics products.
并通过不同冷却流道所影响的型坯温度场的比较,揭示了整体均匀冷却在定型模冷却系统设计中的重要意义。
By comparison different temperature field which are affected by the lay-out of cooling section, this paper uncovers the importance of uniform cooling when design cooling section of calibrator.
根据流变学理论设计出口模的初始口型曲线尺寸,并进行试挤以修正模头各流道及口型曲线尺寸。
The starting curve and size of the die were already designed according to the rheological theory and then corrected with the extruding experiments.
通过对加工工艺的控制,对成型模具流道的合理设计,对加工装备结构尺寸的优化,可以实现高效分散的拉伸流场。
Through controlling the processing technique, reasonable designing for molding runner, optimizing the equipment construction and dimension, it could get the high effective elongation flow field.
我们充分利用CAE模流分析技术,模拟和优化模具浇道系统设计,提高零件的质量和减少试模次数及不必要的浪费。
We make full use of CAE mold flow analysis techniques, simulation and optimization of mold runner system design, improve part quality and reduce the number of test mode and unnecessary waste.
所作研究对于锥形螺旋叶轮血泵叶轮和流道的优化设计具有指导意义。
The investigation has important significance to the optimization of the conical spiral impeller and the flow channel.
应用有限元方法对液压锥阀流场进行数值预报,分析其能量损失,噪声和流场结构的关系,并在此基础上对流道结构进行优化设计。
After calculating the flow field of the pyramidal, the relationship between energy loss, noise and the structure of the valve has been analyzed; the flow channel has been optimized.
论述了无流道热固性塑料注射成型的方法、工艺、设备和模具设计方面的问题。
The molding method, process, and the equipment of thermoset runnerless injection molding have been discussed in this paper.
通过计算示例和计算机程序化,介绍流道优化设计步骤。
Through the calculating demonstration and computer programming, the optimized design procedure for the runner was stated.
低比转速泵的高扬程决定了叶片流道内逆压梯度比较高,这种压力分布使得水流易于在叶片表面脱流分离,这一现象甚至在泵的设计点也难以避免。
The high head produced by the impeller means high adverse pressure gradient within blade passage and because of this the flow often separates from the blade surfaces even at the design point.
这样设计简化了模具结构,缩短了流道的长度,减小了模具体积和质量,降低了模具制造成本。
Such a design shortened the length of runner, decreased the weight and volume of the mold, and reduced the fabricating cost.
分析了模头流道结构和熔体在圆环型材挤出模中的流量,为环类型材挤出模设计提供了依据。
Analyzing the die channel structure and the melt flow of the circle profile in the extrusion die provides the basis of the die design for the circle profile.
提出采用可控减速法设计离心风机两元叶片,即通过三维黏性流场计算,采用正交试验设计方法,以确定流道内平均速度的减速规律和叶片型线。
In the present method, the orthogonal design and the three-dimensional viscous flow field computation were used to determine the optimum controlled deceleration flow in impellers and the blade curves.
提出采用可控减速法设计离心风机两元叶片,即通过三维黏性流场计算,采用正交试验设计方法,以确定流道内平均速度的减速规律和叶片型线。
In the present method, the orthogonal design and the three-dimensional viscous flow field computation were used to determine the optimum controlled deceleration flow in impellers and the blade curves.
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