机械英语专业翻译
Casting 铸造
manufacturing process 制造过程molten 熔化
poured 泻倒
injected 注喷
solidify 固化
mold cavity 模型腔
part 零件
delivery 递送
complex 复杂
function 功能
projected cost 项目(目标)成本dimensions 尺寸
dating back 回溯
in a state of 处于…状态refinement 精制、改进evolution 进化
advances 进步
Sand Casting 沙模铸造
mold cavity 型腔
formed out of 由…形成patterns 阳模
sprues 浇铸口
design considerations 设计要素allowance 容差
formed 成形加工
made out of 由…制造aggregate 集合体,组件
flask 上箱体
Core 铸芯
inserted插
features 形状
passages通道
Core print 型芯座
region 部分
riser 冒口
extra void 额外空隙excessive 过多
feed 馈送
solidifies 凝固
shrinks 收缩
void 孔洞空隙
be to ~ 打算做
two-part mold 对开模
cope 上模箱
drag 下模箱
parting line 分型线
parting surface 分型面
gating 浇口
assembled 装配
compacted 压紧
vibration 振动
mechanical means 机械方法
facilitated 促进使容易
draft 拔模斜度
slight angular offset 少量的角度偏移
from the vertical 是定语短句,意为:偏离垂线的whichever 或者
poured into 注入
gating system 浇口系统
sprue 铸口
horizontal portion 水平部分
runners 浇道
multiple points 多重通路
extensions 延伸
vents 通风口
built-up 累积、增强allow for 考虑到contraction 收缩
shrink 萎缩
factors 因素
on the average 一般来说linear factors 线性因素approximate 近似impurities 杂质
defect 缺点
stages 阶段
bonded粘接
mulled 研磨
additives 添加剂
overall strength 整体强度about 围绕着compaction stage 压紧阶段solid 结实可靠
concave 凹面
Alignment pins 定位销mating 配合
Chills 冷却
masses 质量块
put through 使完成baking stage 烘烤阶段Mold halves 半片型模preheated 预热
furnace 炉
crucible 坩埚application 用途Degassing 排气
portion 部分
remelted scrap 再熔的碎片previously 以前
volume 体积
backflow 回流
dendrites 枝状晶体properties 特性
internal stresses 内应力constant rate 恒定速率stress free 无应力relatively 相对地homogenous 同质化eutectic point 共熔点
At this point 这时候
a quantity of 一些
adhering 粘附
A bulk of 若干
options 选择
vibrating table 振动台
sand / shot blaster 沙粒冲击式清沙机taken 处理
down to 直至
oxides 氧化物
Forging 锻压
hot-forming 热成型
components 零件
items 项目
plastic deformation 塑性变形compressive force 压力
hammer blows 锤击
base 基座
work 工件
anvil 铁毡
semi‘mechanized 半自动化
steam 蒸汽
compressed air 压缩空气hydraulic 液压
quantity production 量产distinction 差别
open-die forging 开式模锻closed-die forging 合模锻. aided by 借助于
enclose 包住
stretching 拉伸
thinner 薄
workpiece 毛坯
lateral expansion 横向膨胀upsetting 墩锻
axially 轴向
ram 顶杆
stationary 固定不动complexity 复杂性
accuracy 精确性
finish 光洁度
heat-resistant 耐热
wear-resistant 耐磨
sufficient to 足以
bottom die 底模
rapid production 快速生产
hydraulically operated presses 液压式压力机refining 改善
structure 结构
uniform 一致
marine propeller shafts 船用螺旋桨轴squeezes 挤压
drop-forge 重锤锻
on account of 由于
ingots of steel 钢锭
manual operation 手动操作
essential 基本
grain structure 颗粒结构
oriented 导向
principal stresses 主应力
encountered 遇到
crystals 晶体
duc’tility 延展性
toughness 韧性
randomly oriented 随机导向
finishing operations 精加工
coating operations 涂层操作
plating 电镀
painting 涂漆
straight forward 直截了当
preparation 前期准备
yield 产生
strength to weight ratio 强度重量比
frame members 框架构件
crosssection 断面
drawing out 拉长
closed impressiondies 封闭压力模
The Lathe and Its Construction 车床及其结构surfaces of revolution 旋转表面
flat edges 平面外缘
simul’taneously 同时地
(1) Engine lathes 普通车床
(2) Toolroom (工具室) lathes 带刀具箱车床
(3) Turret (转塔、六角) lathes 六角车床
(4) Vertical turning and boring mills 立式外圆内孔车床
(5) Automatic lathes 自动车床
(6) Special-purpose lathes 特种车床
elements要素
frame 构架
horizontal beam 水平横梁
grey or nodular cast iron 灰口或球墨铸铁guideways 导轨
carriage 刀架
Headstock 主轴箱
spindle 主轴
axis 轴线
parallel 平行
gearbox 齿轮箱、变速器
infinitely variable spindle speeds 无级变速主轴frictional 摩擦
Bar stocks 杆件
tapered 锥形
lathe center 顶尖
threaded 螺纹、线
chuck 卡盘
face plate 面板
Tailstock 尾座
quill 套筒轴
clamping device 夹紧装置
alignment 定位
hardened steel tube 淬火钢管
screw 螺杆
nut 螺母
engaged 啮合
twist drills 麻花钻
travel path 运行轨迹
carriage 刀架
generating 产生
longitudinal and/or cross feeds纵向和横向进刀apron 溜板箱
feed rod 进刀杆、光杠
lead screw 进刀螺杆
screw threads 螺纹
actuating 驱动
lever 拨杆
fed 进给
worm gear 蜗轮传动装置
a train of 一系列
feed 进刀
shifting 移动
plain turning 粗车
thread cutting 车螺纹
link 联动
is referred to as 被称为
Jigs and Fixtures 钻模和夹具
relative to 相对
secured 稳固
identical 相同
misplaced 错位
incorporate 包含
drills 钻头
reamers 铰刀
in the knowledge that 知道…的情况assembly 组装
spare parts 备件
errors 误差
degrees of freedom 自由度
suitable location features 适当的定位表面cutting forces 切削力
damping forces 夹紧力
drill jig 钻模
tapped 攻丝
reamed 扩孔
fastened to 固定在
path 轨迹milling 铣削planing 刨削slot 沟槽secured 紧固
《机械工程专业英语教程》课文翻译
Lesson 1 力学的基本概念 1、词汇: statics [st?tiks] 静力学;dynamics动力学;constraint约束;magnetic [m?ɡ'netik]有磁性的;external [eks't?:nl] 外面的, 外部的;meshing啮合;follower从动件;magnitude ['m?ɡnitju:d] 大小;intensity强度,应力;non-coincident [k?u'insid?nt]不重合;parallel ['p?r?lel]平行;intuitive 直观的;substance物质;proportional [pr?'p?:??n?l]比例的;resist抵抗,对抗;celestial [si'lestj?l]天空的;product乘积;particle质点;elastic [i'l?stik]弹性;deformed变形的;strain拉力;uniform全都相同的;velocity[vi'l?siti]速度;scalar['skeil?]标量;vector['vekt?]矢量;displacement代替;momentum [m?u'ment?m]动量; 2、词组 make up of由……组成;if not要不,不然;even through即使,纵然; Lesson 2 力和力的作用效果 1、词汇: machine 机器;mechanism机构;movable活动的;given 规定的,给定的,已知的;perform执行;application 施用;produce引起,导致;stress压力;applied施加的;individual单独的;muscular ['m?skjul?]]力臂;gravity[ɡr?vti]重力;stretch伸展,拉紧,延伸;tensile[tensail]拉力;tension张力,拉力;squeeze挤;compressive 有压力的,压缩的;torsional扭转的;torque转矩;twist扭,转动;molecule [m likju:l]分子的;slide滑动; 滑行;slip滑,溜;one another 互相;shear剪切;independently独立地,自立地;beam梁;compress压;revolve (使)旋转;exert [iɡ'z?:t]用力,尽力,运用,发挥,施加;principle原则, 原理,准则,规范;spin使…旋转;screw螺丝钉;thread螺纹; 2、词组 a number of 许多;deal with 涉及,处理;result from由什么引起;prevent from阻止,防止;tends to 朝某个方向;in combination结合;fly apart飞散; 3、译文: 任何机器或机构的研究表明每一种机构都是由许多可动的零件组成。这些零件从规定的运动转变到期望的运动。另一方面,这些机器完成工作。当由施力引起的运动时,机器就开始工作了。所以,力和机器的研究涉及在一个物体上的力和力的作用效果。 力是推力或者拉力。力的作用效果要么是改变物体的形状或者运动,要么阻止其他的力发生改变。每一种
机械专业术语英文翻译
陶瓷 ceramics 合成纤维 synthetic fibre 电化学腐蚀 electrochemical corrosion 车架 automotive chassis 悬架 suspension 转向器 redirector 变速器 speed changer 板料冲压 sheet metal parts 孔加工 spot facing machining 车间 workshop 工程技术人员 engineer 气动夹紧 pneuma lock 数学模型 mathematical model 画法几何 descriptive geometry 机械制图 Mechanical drawing 投影 projection 视图 view 剖视图 profile chart 标准件 standard component 零件图 part drawing 装配图 assembly drawing 尺寸标注 size marking
技术要求 technical requirements 刚度 rigidity 内力 internal force 位移 displacement 截面 section 疲劳极限 fatigue limit 断裂 fracture 塑性变形 plastic distortion 脆性材料 brittleness material 刚度准则 rigidity criterion 垫圈 washer 垫片 spacer 直齿圆柱齿轮 straight toothed spur gear 斜齿圆柱齿轮 helical-spur gear 直齿锥齿轮 straight bevel gear 运动简图 kinematic sketch 齿轮齿条 pinion and rack 蜗杆蜗轮 worm and worm gear 虚约束 passive constraint 曲柄 crank 摇杆 racker 凸轮 cams
机械工程专业英语翻译 华中科技大学版 李光布
1.机械设计过程 机械设计的最终目标是生产一种满足客户需求的有用产品,而且这种产品安全,高效,可靠,经济,实用。当回答这个问题时,广泛地思考,我将要设计的产品或系统的客户是谁? 在产品设计之前,了解所有客户的期望和期望是至关重要的。营销专业人员经常被用来管理客户期望的定义,但是设计师可能会把他们作为产品开发团队的一部分。 许多方法被用来确定客户想要什么。一种被称为质量功能部署或QFD的流行方法寻求(1)识别客户期望的所有特征和性能因素,以及(2)评估这些因素的相对重要性。QFD过程的结果是产品的一组详细功能和设计要求。 考虑设计过程如何配合为客户提供令人满意的产品所必须发生的所有功能以及在产品的整个生命周期中为产品提供服务也很重要。事实上,重要的是考虑产品在使用寿命后如何处置。影响产品的所有这些功能的总和有时被称为产品实现过程或PRP。PRP中包含的一些因素如下: ?营销功能来评估客户的要求 ?研究确定可在产品中合理使用的可用技术 ?可以包含在产品中的材料和组件的可用性 ?产品设计和开发 ?性能测试 ?设计文件 ?供应商关系和采购职能 ?考虑全球材料采购和全球营销 参加工作的技能 ?物理工厂和设施可用
?制造系统的能力 生产计划和生产系统的控制 ?生产支持系统和人员 ?质量体系要求 ?销售操作和时间表 ?成本目标和其他竞争性问题 ?客户服务要求 ?产品在生产,操作和处置过程中的环境问题 ?法律要求 ?金融资本的可用性 你可以添加到这个列表吗?您应该能够看到,产品的设计只是综合过程的一部分。在本文中,我们将更加注意设计过程本身,但必须始终考虑设计的可生产性。产品设计和制造过程设计的同时考虑通常被称为并行工程。 2.机械设计所需的技能 产品工程师和机械设计师在日常工作中使用广泛的技能和知识。这些技能和知识包含在以下内容中: ?素描,技术制图和计算机辅助设计 ?材料的性质?材料加工*和制造过程 ?化学的应用,如腐蚀防护,电镀和喷漆 静力学动力学材料的强度,运动学和机制 流体力学,热力学和传热 ?流体动力,电气现象的基本原理和工业控制
机械专业外文翻译(中英文翻译)
外文翻译 英文原文 Belt Conveying Systems Development of driving system Among the methods of material conveying employed,belt conveyors play a very important part in the reliable carrying of material over long distances at competitive cost.Conveyor systems have become larger and more complex and drive systems have also been going through a process of evolution and will continue to do so.Nowadays,bigger belts require more power and have brought the need for larger individual drives as well as multiple drives such as 3 drives of 750 kW for one belt(this is the case for the conveyor drives in Chengzhuang Mine).The ability to control drive acceleration torque is critical to belt conveyors’performance.An efficient drive system should be able to provide smooth,soft starts while maintaining belt tensions within the specified safe limits.For load sharing on multiple drives.torque and speed control are also important considerations in the drive system’s design. Due to the advances in conveyor drive control technology,at present many more reliable.Cost-effective and performance-driven conveyor drive systems covering a wide range of power are available for customers’ choices[1]. 1 Analysis on conveyor drive technologies 1.1 Direct drives Full-voltage starters.With a full-voltage starter design,the conveyor head shaft is direct-coupled to the motor through the gear drive.Direct full-voltage starters are adequate for relatively low-power, simple-profile conveyors.With direct fu11-voltage starters.no control is provided for various conveyor loads and.depending on the ratio between fu11-and no-1oad power requirements,empty starting times can be three or four times faster than full load.The maintenance-free starting system is simple,low-cost and very reliable.However, they cannot control starting torque and maximum stall torque;therefore.they are
(机械制造行业)机械英文翻译
英文翻译 机械设计 一台完整机器的设计是一个复杂的过程。机械设计是一项创造性的工作。设计工程师不仅在工作上要有创造性,还必须在机械制图、运动学、工程材料、材料力学和机械制造工艺学等方面具有深厚的基础知识。 Machine Design The complete design of a machine is a complex process. The machine design is a creative work. Project engineer not only must have the creativity in the work, but also must in aspect and so on mechanical drawing, kinematics, engineerig material, materials mechanics and machine manufacture technology has the deep elementary knowledge. 任何产品在设计时第一步就是选择产品每个部分的构成材料。许多的材料被今天的设计师所使用。对产品的功能,它的外观、材料的成本、制造的成本作出必要的选择是十分重要的。对材料的特性必须事先作出仔细的评估。 One of the first steps in the design of any product is to select the material from which each part is to be made. Numerous materials are available to today's designers. The function of the product, its appearance, the cost of the material, and the cost of fabrication are important in making a selection. A careful evaluation of the properties of a. material must be made prior to any calculations. 仔细精确的计算是必要的,以确保设计的有效性。在任何失败的情况下,最好知道在最初设计中有有缺陷的部件。计算(图纸尺寸)检查是非常重要的。一个小数点的位置放错,就可以导致一个本可以完成的项目失败。设计工作的各个方面都应该检查和复查。 Careful calculations are necessary to ensure the validity of a design. In case of any part failures, it is desirable to know what was done in originally designing the defective components. The checking of calculations (and drawing dimensions) is of utmost importance. The misplacement of one decimal point can ruin an otherwise acceptable project. All aspects of design work should be checked and rechecked. 计算机是一种工具,它能够帮助机械设计师减轻繁琐的计算,并对现有数据提供进一步的分析。互动系统基于计算机的能力,已经使计算机辅助设计(CAD)和计算机辅助制造(CAM)成为了可能。心理学家经常谈论如何使人们适应他们所操作的机器。设计人员的基本职责是努力使机器来适应人们。这并不是一项容易的工作,因为实际上并不存在着一个对所有人来说都是最优的操作范围和操作
机械专业英文翻译
启动轴starting axle 启动齿轮starting gear 启动棘轮starting ratchet wheel 复位弹簧restoring, pull back spring 弹簧座spring seating 摩擦簧friction spring 推力垫圈thrust washer 轴挡圈axle bumper ring 下料filling 切断cut 滚齿机gear-hobbing machine 剪料机material-shearing machine 车床lathe 拉床broaching machine 垂直度verticality, vertical extent 平行度 parallelism同心度 homocentricity 位置度position 拉伤pulling damage 碰伤bumping damage 缺陷deficiency 严重缺陷severe deficiency 摩擦力friction 扭距twist 滑动glide 滚动roll 打滑skid 脱不开can’t seperate 不复位can’t restore 直径diameter M值= 跨棒距test rod span 公法线common normal line 弹性elasticity 频率特性frequency characteristic 误差error 响应response 定位allocation 机床夹具jig 动力学dynamic 运动学kinematic 静力学static 分析力学analyse mechanics 拉伸pulling 压缩hitting 机床machine tool 刀具cutter 摩擦friction 联结link 传动drive/transmission 轴shaft 剪切shear 扭转twist 弯曲应力bending stress 三相交流电three-phase AC 磁路magnetic circles 变压器transformer 异步电动机asynchronous motor 几何形状geometrical 精度precision 正弦形的sinusoid 交流电路AC circuit 机械加工余量machining allowance 变形力deforming force 变形deformation 电路circuit 半导体元件semiconductor element 拉孔broaching 装配assembling 加工machining 液压hydraulic pressure 切线tangent 机电一体化mechanotronics mechanical-electrical integration 稳定性stability 介质medium 液压驱动泵fluid clutch 液压泵hydraulic pump 阀门valve 失效invalidation 强度intensity 载荷load 应力stress 安全系数safty factor 可靠性reliability 螺纹thread 螺旋helix 键spline 销pin 滚动轴承rolling bearing 滑动轴承sliding bearing 弹簧spring 制动器arrester brake 十字结联轴节crosshead 联轴器coupling 链chain 皮带strap 精加工finish machining 粗加工rough machining 变速箱体gearbox casing 腐蚀rust 氧化oxidation 磨损wear 耐用度durability 机械制图 Mechanical drawing 投影projection 视图view 剖视图profile chart 标准件standard component 零件图part drawing 装配图assembly drawing 尺寸标注size marking 技术要求 technical requirements 刚度rigidity 内力internal force 位移displacement 截面section 疲劳极限fatigue limit 断裂fracture 塑性变形plastic distortion 脆性材料brittleness material 刚度准则rigidity criterion 垫圈washer 垫片spacer 直齿圆柱齿轮 straight toothed spur gear 斜齿圆柱齿轮 helical-spur gear 直齿锥齿轮 straight bevel gear 运动简图kinematic sketch 齿轮齿条pinion and rack 蜗杆蜗轮worm and worm gear 虚约束passive constraint 曲柄crank 摇杆racker 凸轮cams 反馈feedback 发生器generator 直流电源DC electrical source 门电路gate circuit 外圆磨削external grinding 内圆磨削internal grinding 平面磨削plane grinding 变速箱gearbox 离合器clutch 绞孔fraising 绞刀reamer
机械工程专业英语翻译合集
1.我们可以把钢再次加热到临界温度以下的某一温度,然后在慢慢让其冷却。We can heat the steel again to a temperature below the critical temperature, then cool it slowly. 2.无论任何简单的机床,都是由单一元件即通称为机械零件或部件组成的。However simple, any machine is a combination of individual components generally referred to as machine elements or parts. 3.这些金属不都是好的导体。 All these metals are not good conductors. 4. 在做带电实验的时候,再怎么小心都不为过。 You can't be too careful in performing an experiment. 5.利用发电机可以把机械能转变成电能。 The mechanical energy can be changed back into electrical energy by means of a generator or dynamo. 6.假定电源输入的电压保持不变。 Assume that the voltage input of the power supply remains the same. 7.化石燃料是发电过程中最为频繁使用的能源。 Fossil fuels are most frequently used source daring the power generation process. 8单个机械零件的可靠性成为评估整台机器使用寿命的基本因素。 The individual reliability of machine elements becomes the basis for estimating the overall life 9.说我们生活在一个电子时代,这一点都不夸张。 It's no exaggeration to say that we live in an electronic age. 10.发动机的转速不应超过最大允许值。 Engine revolution should not exceed the maximum permissible. 11.如能从大型核电站获得成本极低的电力,电解氢的竞争能力就会增强。(Electrolytic hydrogen)。 If extremely low-cost power were ever to become available from large nuclear power plants, electrolytic hydrogen would become competitive. 12.电子技术提供了一种新的显示时间的方法。 A new way of displaying time has been given by electronics. 13.远距离输电需要高压,安全用电需要低压。 High voltage is necessary for long transmission line while low voltage for safe use. 14.铝的电阻大约是同等尺寸的铜的1.5倍。 The resistance of aluminum is approximately half again as great as that of copper for the same dimensions = size 15.In fact,it is impossible for no force to be exerted on a body,since in this world everything is subject to the for ce of gravity. 事实上,物体不受外力作用是不可能的,因为在这个世界上任何物体都要受到重力的作用。 16.In a thermal power plant,all the chemical energy is not
机械类英语论文及翻译翻译
High-speed milling High-speed machining is an advanced manufacturing technology, different from the traditional processing methods. The spindle speed, cutting feed rate, cutting a small amount of units within the time of removal of material has increased three to six times. With high efficiency, high precision and high quality surface as the basic characteristics of the automobile industry, aerospace, mold manufacturing and instrumentation industry, such as access to a wide range of applications, has made significant economic benefits, is the contemporary importance of advanced manufacturing technology. For a long time, people die on the processing has been using a grinding or milling EDM (EDM) processing, grinding, polishing methods. Although the high hardness of the EDM machine parts, but the lower the productivity of its application is limited. With the development of high-speed processing technology, used to replace high-speed cutting, grinding and polishing process to die processing has become possible. To shorten the processing cycle, processing and reliable quality assurance, lower processing costs. 1 One of the advantages of high-speed machining High-speed machining as a die-efficient manufacturing, high-quality, low power consumption in an advanced manufacturing technology. In conventional machining in a series of problems has plagued by high-speed machining of the application have been resolved. 1.1 Increase productivity High-speed cutting of the spindle speed, feed rate compared withtraditional machining, in the nature of the leap, the metal removal rate increased 30 percent to 40 percent, cutting force reduced by 30 percent, the cutting tool life increased by 70% . Hardened parts can be processed, a fixture in many parts to be completed rough, semi-finishing and fine, and all other processes, the complex can reach parts of the surface quality requirements, thus increasing the processing productivity and competitiveness of products in the market. 1.2 Improve processing accuracy and surface quality High-speed machines generally have high rigidity and precision, and other characteristics, processing, cutting the depth of small, fast and feed, cutting force low, the workpiece to reduce heat distortion, and high precision machining, surface roughness small. Milling will be no high-speed processing and milling marks the surface so that the parts greatly enhance the quality of the surface. Processing Aluminum when up Ra0.40.6um, pieces of steel processing at up to Ra0.2 ~ 0.4um.
机械专业英语(章跃版)课后英汉翻译
第一章:应力与应变 1.That branch of scientific analysis which motions, times and forces is called mechanics and is made up of two parts, statics and dynamics. 研究位移、时间和力运动乘力是科学分析法的一个分歧,被称作力学,力学由两大部分组成,静力学和动力学。 2.For example, if the force operating on a sleeve bearing becomes too high, it will squeeze out the oil film and cause metal-to-metal contact, overheating and rapid failure of the bearing. 例如:如果止推轴承上的作用力过大的话,会挤出油膜,引起金属和金属之间的相互接触,轴承将过热而迅速失效。 3.Our intuitive concept of force includes such ideas as place of application, direction, and magnitude, and these are called the characteristics of a force. 力的直观概念包括力的作用点、大小、方向,这些被称为力的三要素。 4.All bodies are either elastic or plastic and will be deformed if acted upon by forces. When the deformation of such bodies is small, they are frequently assumed to be rigid, i.e., incapable of deformation, in order to simplify the analysis. 所有的物体既可以是弹性的也可以是塑性的,如果受到力的作用就产生变形。当变形很小的时候它们被假设成刚体,也就是不产生变形。 5.The rigid-body assumption cannot be used in internal stresses and strains due to the applied forces to be analyzed. Thus we consider the
机械专业相关词汇中英文翻译大全
机械专业相关词汇中英文翻译大全 单价unit price 工日合计Man-day total/work-day total 人工费cost of labor 材料费materials expenses 机械的mechanical 检查接线connection test 发电机generator 调相机phase regulator 周波cycle 减负荷装置 load-shedding equipment 断路器柜circuit breaker cabinet 单母线single busbar 互感器transformer 每相电流Current by Phase 封闭式插接close type socket joint 发电机控制面板generator control panel 分级卸载sorted unloading 同步控制synchronization control 调速器 speed governor 信号屏signal screen 继电器relay 高压柜high pressure cabinet 油浸电力变压器oil-immersed power transformer 空气断路器air circuit breaker 控制屏control panel 直流馈电屏direct current feed control panel 电容器electric condenser 计量盘metering panel 成套配电箱whole set of distribution box 落地式floor model 控制开关Control switches 铜芯电力电缆Copper core power cable 控制电缆actuating cable 热缩式电力电缆终端头pyrocondensation power cable terminal 钢结构支架配管steel structure bracket tubing 万用槽钢versatile U-steel 电缆托架 cable bracket 钢制托盘式桥架steel Tray-type cable support system waterproof socket 防水插座 防爆插座Explosion-proof socket 接地绞线earthing twisted pair 接地母线 earthing bus
机械工程专业英语 翻译
2、应力和应变 在任何工程结构中独立的部件或构件将承受来自于部件的使用状况或工作的外部环境的外力作用。如果组件就处于平衡状态,由此而来的各种外力将会为零,但尽管如此,它们共同作用部件的载荷易于使部件变形同时在材料里面产生相应的内力。 有很多不同负载可以应用于构件的方式。负荷根据相应时间的不同可分为: (a)静态负荷是一种在相对较短的时间内逐步达到平衡的应用载荷。 (b)持续负载是一种在很长一段时间为一个常数的载荷, 例如结构的重量。这种类型的载荷以相同的方式作为一个静态负荷; 然而,对一些材料与温度和压力的条件下,短时间的载荷和长时间的载荷抵抗失效的能力可能是不同的。 (c)冲击载荷是一种快速载荷(一种能量载荷)。振动通常导致一个冲击载荷, 一般平衡是不能建立的直到通过自然的阻尼力的作用使振动停止的时候。 (d)重复载荷是一种被应用和去除千万次的载荷。 (e)疲劳载荷或交变载荷是一种大小和设计随时间不断变化的载荷。 上面已经提到,作用于物体的外力与在材料里面产生的相应内力平衡。因此,如果一个杆受到一个均匀的拉伸和压缩,也就是说, 一个力,均匀分布于一截面,那么产生的内力也均匀分布并且可以说杆是受到一个均匀的正常应力,应力被定义为 应力==负载 P /压力 A, 因此根据载荷的性质应力是可以压缩或拉伸的,并被度量为牛顿每平方米或它的倍数。 如果一个杆受到轴向载荷,即是应力,那么杆的长度会改变。如果杆的初始长度L和改变量△L已知,产生的应力定义如下: 应力==改变长△L /初始长 L 因此应力是一个测量材料变形和无量纲的物理量 ,即它没有单位;它只是两个相同单位的物理量的比值。 一般来说,在实践中,在荷载作用下材料的延伸是非常小的, 测量的应力以*10-6的形式是方便的, 即微应变, 使用的符号也相应成为ue。 从某种意义上说,拉伸应力与应变被认为是正的。压缩应力与应变被认为是负的。因此负应力使长度减小。 当负载移除时,如果材料回复到初始的,无负载时的尺寸时,我们就说它是具有弹性的。一特定形式的适用于大范围的工程材料至少工程材料受载荷的大部分的弹性, 产生正比于负载的变形。由于载荷正比于载荷所产生的压力并且变形正比于应变, 这也说明,当材料是弹性的时候, 应力与应变成正比。因此胡克定律陈述, 应力正比于应变。 这定律服从于大部分铁合金在特定的范围内, 甚至以其合理的准确性可以假定适用于其他工程材料比如混凝土,木材,非铁合金。 当一个材料是弹性的时候,当载荷消除之后,任何负载所产生的变形可以完全恢复,没有永久的变形。
机械专业英文翻译
机械专业英文翻译 Company number:【WTUT-WT88Y-W8BBGB-BWYTT-19998】
启动轴 starting axle 启动齿轮starting gear 启动棘轮 starting ratchet wheel 复位弹簧 restoring, pull back spring 弹簧座 spring seating 摩擦簧friction spring 推力垫圈 thrust washer 轴挡圈axle bumper ring 下料 filling 切断 cut 滚齿机 gear-hobbing machine 剪料机 material-shearing machine 车床 lathe 拉床 broaching machine 垂直度 verticality, vertical extent 平行度 parallelism同 心度 homocentricity 位置度 position 拉伤 pulling damage 碰伤 bumping damage 缺陷 deficiency 严重缺陷 severe deficiency 摩擦力 friction 扭距 twist 滑动 glide 滚动 roll 打滑 skid 脱不开 can’t seperate 不复位 can’t restore 直径 diameter M值 = 跨棒距 test rod span 公法线 common normal line 弹性 elasticity 频率特性 frequency characteristic 误差 error 响应 response 定位 allocation 机床夹具 jig 动力学 dynamic 运动学 kinematic 静力学 static 分析力学 analyse mechanics 拉伸 pulling 压缩 hitting 机床 machine tool 刀具 cutter 摩擦 friction 联结 link 传动 drive/transmission 轴 shaft 剪切 shear 扭转 twist 弯曲应力 bending stress 三相交流电 three-phase AC 磁路 magnetic circles 变压器 transformer 异步电动机 asynchronous motor 几何形状 geometrical 精度 precision 正弦形的 sinusoid 交流电路 AC circuit 机械加工余量 machining allowance 变形力 deforming force 变形 deformation 电路 circuit 半导体元件 semiconductor element 拉孔 broaching 装配 assembling 加工 machining 液压 hydraulic pressure 切线 tangent 机电一体化 mechanotronics mechanical-electrical integration 稳定性 stability 介质 medium 液压驱动泵 fluid clutch 液压泵 hydraulic pump 阀门 valve 失效 invalidation 强度 intensity 载荷 load 应力 stress 安全系数 safty factor 可靠性 reliability 螺纹 thread 螺旋 helix 键 spline 销 pin 滚动轴承 rolling bearing 滑动轴承 sliding bearing 弹簧 spring 制动器 arrester brake 十字结联轴节 crosshead 联轴器 coupling 链 chain 皮带 strap 精加工 finish machining 粗加工 rough machining 变速箱体 gearbox casing 腐蚀 rust 氧化 oxidation 磨损 wear 耐用度 durability 机械制图 Mechanical drawing 投影 projection 视图 view 剖视图 profile chart 标准件 standard component 零件图 part drawing 装配图 assembly drawing 尺寸标注 size marking 技术要求 technical requirements 刚度 rigidity 内力 internal force 位移 displacement 截面 section 疲劳极限 fatigue limit 断裂 fracture 塑性变形 plastic distortion 脆性材料 brittleness material 刚度准则 rigidity criterion 垫圈 washer 垫片 spacer 直齿圆柱齿轮 straight toothed spur gear 斜齿圆柱齿轮 helical-spur gear 直齿锥齿轮 straight bevel gear 运动简图 kinematic sketch 齿轮齿条 pinion and rack 蜗杆蜗轮 worm and worm gear 虚约束 passive constraint 曲柄 crank 摇杆 racker 凸轮 cams 反馈 feedback 发生器 generator