一、150个汉译英词汇
metal金属 ferrous含铁的 ferrous metals 黑金属
nonferrous metals 有金属 hardness硬度 corrode 腐蚀
blow molding 吹塑法 compression molding 压塑法 foundry铸造、铸造厂
pig iron 生铁 copper-base alloy 铜基合金 drop forging 落锤锻
sizing operations 精锻工艺、精加工 furnace炉子 pyrometer高温计
solder焊料 melting point 熔点 electrode电极
annealing退火 machining 切削加工 right-hand threads 右螺纹 pitch螺距 lead 导程 rack齿条、导轨 cam凸轮 follower从动件
belt drives 带传动 pulley 皮带轮 critical 临界点(值)、转折点(处) ke
y 键 square key 方键 tapered key 锥形键 woodruff key 半圆键 cantilever 悬臂 washer垫圈 screw螺钉 stud柱头螺栓 nut螺母 rear wheels 后轮 connecting rod 连杆 the transmission 变速箱 cam-shaft 凸轮轴 chain 链条 sliding-contact bearings 滑动轴承 rolling-contact bearings 滚动轴承 coupling联接器 inertia惯性 rigidly 坚硬地、刚性地 kinetic (运)动的, 动力(学)的 friction 摩擦(力) linkage 联动装置 hinge 铰链 lathe 车床 front-plate 花盘 chuck卡盘 lead-scerw 导杆、丝杠 thread 螺纹 milling machines 铣床 finish 粗糙度 cutter grinder 工具磨床 surface grinder 平面磨床 centerless grinder 无心磨床 internal grinder 内圆磨床 external grinder 外圆磨床 cold-working operations 冷作加工 chip 碎片,屑片 stroke 行程 roughing operations 粗加工 finishing operations 精加工 tempered 回火的 twist drill麻花钻 rake angle前角 flank wear 后刀面磨损 crater wear 前刀面磨损 notch wear V形凹口磨损 swarf 金属屑 built-up ed
ge积屑瘤 upper and lower limits 上下极限尺寸 tolerance公差 jack提高 trail踪迹, 痕迹, 形迹 force力 torque扭矩 mass质量 inertia惯性 wear磨损
manipulator操作者, 操纵者, 机械手 hard automation刚性自动化 binary二进位的, 二元的pulleys read only memory(ROM)只读存储器 random access memory(RAM)读写存储器 programmable可编程的 computerized numerical control (CNC)计算机数控 direct numerical control (DNC)直接数字控制 flexible manufacturing system(FMS)柔性制造系统 flexible manufacturing cells柔性制造单元
二、汉译英回答专业问题
1、CAD/CAM
Computer-aided design (CAD) and computer-aided manufacturing (CAM) use digital computers, with their speed and accuracy, as the integrating force throughout the entire process from engineering design to product manufacture.
2、齿轮种类
1. Spur gears 2. Helical gears
3、铸造工艺分哪几步
Foundry processes consist of making molds, preparing and melting the metal, pouring the metal into the molds, and cleaning the castings.
4、钢的力学性能(1) Strength (in tension, compression, shear and bending) (2) Stiffness (3) Ductility (4) Impact strength (5) Hardness (6) Toughness
5、例举机械零件
Gears ,reducers,worm gear ,cams,keys,springs,shaft,bearing,coupling,clutch,brakes,linkages
6、皮带传动比是否精确,为什么
Smooth flat belt and V belts depend on friction on the pulleys and some slippage is inherent in their operation. Therefore, speed ratios are not precise.
7、刀具磨损类型
tool wear is basically of three types. Flank wear, crater wear, and notch wear.
五、句子翻译汉译英
1、In deep-groove ball bearings, the races are approximately one fourth as deep as the ball diameter.
2、There are a number of methods of joining metal articles together, depending on the type of metal and the strength of the joint which is required.
3、Soldering is the process of joining two metals by a third metal to be applied in the molten state
4、Mechanical properties are the characteristic responses of a material to applied forces.
5、The machine used for most cold-working operations is known as a press
六、作文
CAD/ CAM is a term, which means computer-aided design and computer-aided manufacturing. It is the technology concerned with the use of computers to perform certain functions in design and production.
It starts work with CAD,which consists five steps: 1.Definition of geometric model 2.Geometric model 3.Interface algorithms 4.Design and analysis algorithms 5.Drafting and detailing
When finished above process,the following system we use is CAM,which consists of five steps:1.Process plaming 2.NC progeams 3.Insection 4.Assembly 5.Packaging
It can be seen from the above process, information continue to produce, modify and exchange.the system should be able to ensure that users always observe until you get the best results. Therefore, CAD / CAM system should have the basic functions of support to th
e above process.
车床
车床的主要组件是机身对立两端的主轴箱和尾座以及它们之间存放着刀具的刀座。这个刀座放置在一个十字滑板上,这能够使它根据加工工件的类型不同,在溜板上既能纵向运动也能横向运动。车床是车间里最实用和最通用的机器之一,并能执行各种加工工序。普通的车床中心一次最多容纳一个刀具在刀座上,但是一个转台车床能在旋转台上持有五个或者更多的刀具。车床床身要非常结实以防止机器在压力下弯曲或扭曲。
主轴箱包含驱动和齿轮机构,以及一个能夹紧工件并能使工件在一定速度下旋转的主轴,工件旋转速度主要取决于工件的直径。一个大直径的条形工件自然比一个非常细的条形工件旋转地更慢;刀具的切削速度是很重要的。
主轴空心端和尾架上的顶尖能稳固地支撑住他们之间的工件。进给轴从主轴箱驱动刀座随着溜板以一个固定和相同的速度,向前或者向后移动。这使得操作员能作出准确的切削,并很好地完成工序。主轴和进给轴之间的齿轮控制轴的旋转速度,因此也控制刀架的前进或后退
运动。操作员根据要切削的金属的类型和切削量选择齿轮深的或者粗切削的进给量应该小于精切削。
车床上,顶尖并不适用与所有的零件。操作人员可以根据工件的形状和特殊的切削工序采用很多种类型的颌或者花盘夹紧工件的卡盘来替换顶尖。例如,夹紧短的工件,或者需要钻削,钻孔,螺纹车削的工件时,操作员就会使用卡盘。刀座在溜板上的横向移动使刀具能够穿过工件的表面切削,得到一个平整的表面。对于螺纹切削,操作员会接合一个丝杠,一个在机身前方和主轴一起转动的长螺丝轴。丝杠驱动刀座在溜板上以一个准确的速度向前移动,这确保了螺钉上的螺纹是精密准确的螺距。操作员可以选择不同的齿轮速度,这将改变主轴和丝杠的速度比,因此改变螺纹的螺距。车头上一个反向操纵杆使操作员能够使溜板运动反方向,把刀具返回到初始的位置。
铣床
铣床是一种铣刀旋转、工件相对铣刀作进给运动的金属切削机床
铣刀安装在刀杆上,用垫圈或套定位。刀杆固定在轴的一端,而刀架的另一端随固定在刀杆支座的轴承一起旋转
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