center hole是什么意思

网络释义

用法例句

The present range of boring machine can not meet the needs processing the center hole of shovel cradle.

现有镗床的加工范围不能满足电铲底座架中心孔的加工,在摇臂钻床上加装专用刀杆扩大其加工范围,完成电铲底座架中心孔的镗削加工。

Some instances of machining center holes are introduced in this article.

介绍了中心孔加工中常出现的几种情况,针对每种情况的原因和导致的后果做了分析,并提出了解决方法,可谓中心孔加工的一个全面总结。

The classification of center hole and its range of application are briefly introduced.

对中心孔的类型、应用范围做了简要介绍。

The influence made by the central hole of steam turbine rotor to temperature and stress distribution of rotor;

汽轮机转子中心孔对转子温度和应力分布的影响

Analysis for the potential flow in an elliptical area with a central hole;

含中心孔的椭圆区域内位势流动分析

In the light of the phenomenon that the 50 MW steam-turbine s generating unit produces strong vibration because of the insufficient dynamic stiffness of the bearing bush and the oil-penetration of the central hole of steam-turbine s rotor, expounds the mechanism and diagnosis of the vibration, and puts forward some measures for eliminating the vibration.

针对某50MW汽轮机发电机组因轴瓦动刚度不足和汽轮机转子中心孔进油而产生强烈振动的现象,阐述了导致振动的机理以及诊断的方法,提出了消除振动的措施。

Some NDT methods for surface defects, mainly cracks, on the rotor central bore of steam turbine and generator are introduced, and the features are compared and analyzed.

介绍了目前常用的几种检验汽轮机、发电机转子中心孔内表面缺陷 (主要是裂纹 )的无损检测手段 ,并对各自的特点进行了分析比较。

We know that the high-precision of the axle parts are affected directly by lapping quality of the centerholes.

中心孔的研磨质量直接影响着轴类零件的加工精度,特别是大型轴类零件。

The updated mathematic models for calculation of the central pipe formotion in continuous cast billet are built up, based on the material balance and the previous published models.

通过物质平衡原理讨论并新建立了计算方坯中心缩孔的数学模型。

for the simplified case of a center circular hole in a tension orthotropic finite-width strip, the deduced expressio.

当偏心度取为零,即变为有限宽板中心圆孔时,此简化情况下的应力集中系数表达式与文献值和有限元解吻合得很好。

balancing centering machine

平衡-钻中心孔机床

spotfacing and centering machine

平端面钻中心孔机床

Research on Application of Center Bore in Multi-eccentric Shaft Processing

中心孔在多偏心轴加工中的应用研究

A small conical hole made in a piece of work with a center punch so that a drill can be accurately positioned within it.

中心孔，转柄孔在带中心冲头的工件上为使钻头准确放置而做的小锥形孔

Insert block heater assembly into core hole with element loop pointing Up.

将电热器组合插入中心孔，元件环 向上。

Mechanical drawings--Simplified representation of centre holes

GB/T4459.5-1984机械制图中心孔表示法

Fatigue Life Analysis of Aluminum Alloy 2E12 Plates with Center Holes

2E12铝合金中心孔板材疲劳寿命分析

Discussion on Maintenance Technology of Center Hole of 300 MW Steam Turbine Rotor

300MW汽轮机转子中心孔检修工艺探讨

Analysis and Dealing with the Clamping Eccentric Error of Center-Hole-Grinder;

中心孔磨床上装夹偏心的误差分析及处理

When the end face and the axis is not perpendicular within5°, constant face driver can work regularly.

由于使用工件中心孔定位从而提高了产品精度。

The Shift of Emphasis from Propriety to Goodness in Confucianism;

孔子思想:从“礼”中心到“仁”中心

A Discussion on the New-established Ceremonies of Confucianism Movement in the Republic of China

民国孔教运动中的孔教新创仪式述论——以孔教会为中心

A reading note on Historical Records:Confucius Biography;

孔子言行考两则——以《史记·孔子世家》为中心

adjustable jaws center workpiece in a lathe or center tool in a drill.

在车床或钻孔机中心工具内的可调整中心工件。

a tool for cutting circular holes around a center.

在中心周围切圆形的孔的一种工具。

Purification of Total Alkaloids from Nelumbo nucifera by Macroporous Resin

大孔吸附树脂分离纯化莲心中莲心总碱的研究

The plate has holes of approximately 2 in. in diameter on 7-to 8-in. centers in staggered rows.

板上有直径近2英寸的孔眼，交错横排，孔眼中心距为7-8英寸。

On the Image of Confucius in Lin Yutang’s Works--Confucius Saw Nancy and the Wisdom of Confucius as the Center;

论林语堂笔下的孔子形象——以《子见南子》和《孔子的智慧》为中心