hand placement是什么意思

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用法例句

With the important control technique of valve-injection system of mould is analyzed,a new control technique of filling process is introduced.

阐述了阀式浇注系统控制的关键技术,通过对浇注系统控制充填模式的研究,以注塑流动分析为理论基础,依靠CAE分析技术对浇注充填过程进行流动模拟,分析在阀式控制的充填过程中注塑压力、熔接痕、制件壁厚之间的相互关系,为改善注塑工艺条件和提高产品质量提供了理论依据。

The control principle of valve-injection on weld marks is analyzed based on studying the forming mechanism of weld marks.

通过对注塑件熔接痕形成机理的研究,阐述阀式浇注技术对熔接痕的控制原理,以注射成型某平板为例,将其模具浇注系统的流道设计为热流道,并采用阀式浇注,采用CAE软件对充填过程进行模拟。

With the general injection system of mould analyzed,a new control technique of valve-injection is introduced in order to solve the problem of filling process,and the important optimize-control technique of valve-injection is studied.

在分析注塑模普通浇注系统的基础上,为解决注塑成型存在的问题,介绍了一种新型阀式浇注控制系统,阐述了阀式浇注系统优化控制的关键技术,通过对浇注系统的浇口控制充填模式研究,以注塑流动分析为理论基础,依靠CAE分析技术对浇注充填过程进行流动模拟,科学准确地对阀式浇注系统的浇口位置确认,并根据分析结果应用热流道和自动控制技术对注塑工艺进行优化控制(如浇口阀门的开关时机、打开方式),为阀式浇注系统优化控制的实现提供基础。

In this research,the control technique of vale-injection system of mould is analyzed,the theory of CAE is a key technique for vale-injection system to be controlled.

通过对阀式浇注系统充填模式的研究,以注塑流动分析为理论基础,依靠CAE分析技术对浇注充填过程进行流动模拟,分析阀式控制充填过程中的压力、熔接痕、取向及收缩变形对注塑的影响,说明阀式浇注对改善注塑工艺条件和提高注塑产品质量具有一定的现实意义。

Application of Valve-gate Technology in the Control of Weld Lines of Large Injection Molded Products

阀式浇注技术在控制大型注塑件熔接痕中的应用

Analysis and Control of Weld Marks of Auto Lamp Reflector Based on Valve-injection

基于阀式浇注系统的车灯反射体熔接痕的分析与控制

Cast Process of Winding in Epoxy Resin Cast Dry-Type Transformer

环氧树脂浇注干式变压器的绕组浇注工艺

The Environmental Aspects Analysis For Epoxy Cast Resin Dry-type Transformers

环氧树脂浇注干式变压器环保特性分析

The new type insulation cylinder used in cast resin transformers

新型结构绝缘筒在浇注型干式变压器中的应用

Application Study of Gussasphalt Concrete on Pavement of Long Span Steel Deck

大跨径钢桥面浇注式沥青混凝土铺装应用研究

Methods and Research on Deterioration of Steel Deck Gussasphalt Concrete Pavement;

钢桥面浇注式沥青混凝土铺装病害分析及对策

Application Technique for Long Span Steel Deck Gussasphalt Concrete Pavement;

大跨径钢桥面浇注式沥青混凝土铺装技术研究

Analysis for thermal ageing problem of resin cast dry-type transformers

树脂浇注干式变压器热老化问题的分析

Closed Integration System for Melting and Pouring Magnesium Alloy

封闭式镁合金熔炼及浇注集成系统的研究

The influence of the filler-asphalt ratio on the high-and-low-temperature performance of gussasphalt mortar

粉胶比对浇注式沥青胶浆高低温性能的影响

Study of the calculating formulas in the minimum section of the gray casting iron pouring system

灰铸铁件浇注系统最小截面积计算公式研究

Design of Pb-Ca Alloy Automatic Casting System Based on The S7-300PLC

直线往复式铅钙合金自动浇注系统设计

For DN1200～2400 electrie big-bore valve, please specify mounting requirement.

电动大口径阀门应注明是立式还是卧式安装。

The molten metal may enter the ingot mould in two ways: from the top and from the bottom. Top pouring is the simplest and cheapest method, but gives poor control over the rate of pouring.

钢液注入钢锭模可采用两种方式:上注和下注。上注法最简单，成本最低，但不好控制浇注速度。

A new casting technology for inlet manifold in tilt casting machine for gravity die casting was described.

介绍了在可倾式金属型浇注机上制造进气歧管的铸造新工艺。

Study of Monolithic Pouring Derivative PDMS Chip-based Electrophoresis Microsystem and Its Application;

衍生式整体浇注PDMS芯片电泳微系统及其应用研究

The Application Research of Native Hard Bitumen in Gussasphalt;

国产硬质沥青在浇注式沥青混凝土中的应用研究