机械常用语句.doc

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1、【精品文档】如有侵权，请联系网站删除，仅供学习与交流机械常用语句.精品文档.The procedures of heat treatment of steel include hardening,tempering,annealing and case hardening. 钢的热处理工序包括硬化、回火、退火和表面硬化。 surface heat treatment 表面热处理This hear treatment of metal is called annealing . 金属的这种热处理叫退火.How many operations are there in the heat treat

2、ment of steel ? 钢的热处理有多少种操作方法?Knows well about heat-treating process on steels.非常了解钢材的热处理工艺This hear treatment of metal is called annealing .金属的这种热处理叫退火Will you tell me what you know about heat treatment? 请你告诉我你所知道的热处理是怎么回事，好吗？The procedures of heat treatment of steel include hardening,tempering,ann

3、ealing and case hardening. 钢的热处理工序包括硬化、回火、退火和表面硬化。The object of heat treatment is to make the steel better suited for some specific application 热处理的目的在于使钢材更好地适用于某一特定的用途。cast iron containing alloying elements (usually nickel or chromium or copper or molybdenum) to increase the strength or facilitate

4、heat treatment. 加入合金元素（通常为镍、铬、铜或钼）以增加强度或便于热处理的铸铁By proper heat treatment ,it is possible to obtain certain chracteristics in metal such as hardness,tensile strength(ability to resist stretching),and ductility. 通过适当热处理，使金属得到某种特性，如硬度、抗拉强度（抗拉伸能力）和延性。.anneal or toughen by a process of gradually heating

5、and cooling. 通过逐渐加热和冷却的过程来锻炼或使变坚韧。.To quench steel is that hot steel is quenched to harden it . 淬钢就是烧热的钢置入水中骤冷使之坚硬。.The microcosmic structure of metal material directly influence to the capability and useful life of mechanism accessory. Metallography analyzing is the important means of controlling i

6、nhesion quality. 金属材料的显微组织直接影响到机械零件的性能和使用寿命，金相分析是控制机械零件内在质量的重要手段.6 As for all machined surfaces without protective paint, metal protector or grease should be applied to avoid serious rustiness. 6对于所有机械加工的未涂防护漆的表面，应涂上金属防护剂或油脂，以防严重生锈.This machine part needs surface finishing. 这个机械零件需要精密加工.a machine th

7、at tools or polishes metal. 加工或磨光金属的机器。.How to treat the burr of maching process 如何对待机械加工过程中的毛刺现象.It is integrated, versatile and powerful in production technology. 生产工艺配套、设备完整，具有极强的机械加工能力。.The height vernier gauges can widely used for height measurement and scribing in machining. 高度游标卡尺广泛用于机械加工中的高度

8、测量、划线等Whether the locating datum is chosen correctly or not influences the improvement of the machining precision greatly. 摘要定位基准选择正确与否，对于提高机械加工精度有着重要影响.Especially the wear resistance of the alloy was excellent in a fine abrasive medium. 因此合金既有良好的耐磨性、韧性、又有好的机械加工性能。.Machining properties testing was m

9、ainly based on ASTM D1666-87 standards and also combined internal practical situation. 机械加工性能测试按照美国ASTM D1666-87标准进行，并综合考虑了我国的生产实际。.Will you be using the leafing process to create the metallic effect on the siler labels?你们是否在对镀银标签进行光泽加工，以使其有金属的光泽？.Also, in some jobs, fot example, when great accuracy

10、 is not needed, or when a comparatively small amount of metal must be removed, a finishing cut may be all that is required. 有些加工，如精度要求不高或需要切除的金属量较小，也可能只需一次精切削。.Metal cutting generally involves a large amount of plastic deformation and is coupled thermomechanical process. It always comes with several

11、 hundred MPa of residual stresses on the machined surface金属切削是一个伴随着高温的塑性大变形过程，在加工表面往往产生高达几百兆帕的残余应力。.excavating machinery 挖掘机械.Metal cutting burr is an important factor of influence to edge quality and performance of precision parts. 金属切削毛刺是影响精密零件棱边质量及使用性能的主要因素之一.Metal cutting generally involves a la

12、rge amount of plastic deformation and is coupled thermomechanical process. It always comes with several hundred MPa of residual stresses on the machined surface. 金属切削是一个伴随着高温的塑性大变形过程，在加工表面往往产生高达几百兆帕的残余应力.tolerance of form and position 形位公差.manufacturing tolerance 制造公差.machine part 零件.The handness of

13、 the materials is 2400HV and HRA 93.7, respectively. 硬度测定指示,材料的维氏和洛氏硬度值分别为2400HV和HRA93.70。89.It was found that the surface roughness is significant in Brinell hardness testing, but has little influence on Rockwell hardness. 结果表明,表面粗糙度对布氏硬度值有重要影响,而洛氏硬度值与表面粗糙度关系不大。104.Can we control the hardness of th

14、e steel when it is hardened ?我们能够在钢淬火时控制它的硬度吗?116.The surface is treated by anticathode oxidation which greatly improves the rigidity and anti-corrosion. 表面进行阳极氧化处理，大大提高了硬度和耐腐蚀性。231.When the required hardness is higher than HRC 62,it is reasonable to use the secondaryhardening process(560 tempering)

15、. 当硬度要求为HRC 62以上时,应采用二次硬化(560回火)工艺。247.Combines high hardness with high toughness and good edge stability. 该牌号具有很高的硬度、很高的韧性和很好的切面稳定性。349.Tempered martensite was gradually generated as the cutting temperature increased,which is the main cause of the decrease in the hardness. 随着加工温度升高,工件表面逐渐产生回火马氏体,这是

16、造成工件表面硬度下降的主要原因.409.The diamond indenter is a king of standard measuring tool used to determine the standardized blocks and verify and calibrate schelometers.It is made by welding,grinding and machining certain grain of quality natural diamond into the Rockwell,Vickers of Brinell hardness. 金刚石压头是将一粒

17、定量的优质天然金刚石，按要求镶焊研磨再机械加工成洛氏、维氏和布氏的标准计量工具，主要用于硬度块的定度和对硬度计的鉴定。492.After heat treated as above parameters, its tensile strength can reach over 340MPa and hardness over 105HB, as well as elongation over 12%, which were associated with the formation of fine and dispersed precipitates, leading to excellent

18、 age hardening. 热处理后,试样抗拉强度可达到340MPa以上,硬度可达到105HB以上,延伸率在12%以上,析出相呈细小弥散状分布,对合金有很高的强化效果。630.The experience in production of the bushes and operation of the compressor proved that after adopting new cold extrusion technology the hardness on inner surfaces of connecting rod bushes is increased to HB9011

19、0 from HB6065, the surface strength of the bushes ls enhanced by 30%, wear resistance 60%80%. Furthermore the problems like connecting rod cracking and bush scuffing, etc. are consequently solved. 经生产和使用结果表明,采用冷挤压新工艺可使连杆衬套内表面硬度由HB6065提高到HB90110,衬套表面强度提高30%,耐磨性提高60%80%,从而解决了连杆断裂和衬套拉伤等问题727.By applyin

20、g reasonable heat treatment process the excellent properties have been obtained. The hardness:5055HRC,the impact toughness a K=815J/cm 2,and the impact fatigue life of ?80mm mill ball has reached over 20000 times (dropping times of dropping ball experiment). 选择了合理的热处理工艺 ,获得了优良的性能 ,使其硬度达 5 0 5 5HRC ,

21、冲击韧度aK=8 15J/cm2 ,?80mm磨球冲击疲劳寿命 (落球试验的跌落次数 )达 2万次以上11.Nonsymmetrical carburizing may also contribute to distortion. 渗碳的不对称也可能导致变形。39.To harden the surface or case of(iron or steel) by high-temperature shallow infusion of carbon followed by quenching 表面渗碳硬化法通过高温条件下对碳的浅层注入并紧接冷却来使（铁或钢的）表面或外壳硬化847.Steel

22、 quenching is one of the most common heat treatment process.The goal of this treatment is to obtain martensitic microstructure.This microstructure confers excellent hardness and strength properties.The most common quenchants are water aqueous,polymer solutions and mineral oil.It is estimated that mi

23、neral oil represents 80%of the quenchants market.In Brazil,it was found that there was a substantial lack of knowledge regarding quench oils and their characteristics.Therefore,an attempt was made to examine quench oils available and their classification. 钢的淬火是最常见的热处理工艺之一,淬火的目的是为了获得马氏体组织,使之具有优良的硬度和强

24、度.最常见的淬火介质有水溶液、聚合物溶液和矿物油.在整个淬火剂市场中,估计矿物油占了80的份额.在巴西,人们对淬火油及其冷却特性的了解不够,因此作者试图确定淬火油的适用性及其分类65.Our company endeavors to quenching &tempering, normalizing, tempering, high and medium temperature quenching, mesh belt furnace quenching, carbonizing, aging subzero and high temperature heat treatment, etc 本

25、公司是一家致力于从事调质、正火、回火、高中温淬火、网带炉淬火、渗碳、时效冰冷及其高温热处理的厂家107.Grinding is the most efficient way to obtain accuracy and fine finish. 磨削是获得精确度和良好光洁度的最有效的方法112.For the materials with high hardness,such as cemented carbide,glass,jadeware,etc. 适用于各种高硬材料的磨削及研磨加工，如硬质合金、玻璃、玛瑙、珩磨汽缸套等3.thread cutting and rolling 螺纹加工5

26、.screw thread measurement 螺纹测量10.metric thread 公制螺纹22.The common thread gauges including ring gauges and plug gauges are used to calibrate thread workpieces with GB and ISO standards. 普通螺纹量规（螺纹环规、螺纹塞规）适用于检测符合国家标准及国际标准的螺纹制件。45.Distinguishing and Application of Inch Threads 英寸制螺纹的辩识和应用93.It is possibl

27、e to cut all thread forms and sizes on a lathe. 可以在车床上车削各种形状和尺寸的螺纹94.When I tried to work the nut onto the spindle, I broke the threads. 我想把螺帽拧上螺栓，可是把螺纹拧坏了117.ALL VENDORS MUST COAT INTERNAL THREADS WITH OIL/RUST INHIBITOR TO PREVENT CORROSION. 所有供货商必须对内螺纹作涂油/防锈处理，避免出现腐蚀。13.While at the stage of prec

28、ise machining stage, a fixture must be used to minimize distortion of the workpiece. 而在精加工阶段，必须采用工装，以减少工件的受力变形。15.Perform this measurement for all finished faces, and take the maximum as the measured value of the straightness. 对工件所有精加工面进行测量，取最大值作为直线度的测量值。25.When machining parts with bore as position

29、ing reference, if clearance fit positioning is adopted, machining accuracy is certainly affected due to the existence of clearance. 在精加工以内孔为定位基准的零件时,所用芯轴类工装如果采用间隙配合定位,由于定位间隙的存在,必然影响零件的加工精度。5.It was showed that it is not necessary to use fixture at the early stage of machining, hut appropriate admitt

30、ance must he set aside. 结果表明，在粗加工阶段，可以不采用工装，但必须留出合适的加工余量，余量的多少可以通过节点最大位移来估算。18.Do you know how to use a lathe? 你会使用车床吗?收藏指正 19.Do you know how to work a lathe? 你会开车床吗?收藏指正 20.The workpiece is already on the lathe. 工件已经上了车床。27.He could operate two lathes at the same time. 他能够同时操作两部车床。 28.objects made

31、 on a lathe. 车床上生产出的产品。 29.He seems a lathe turner. 他似乎是个车床工30.Work to be turned in the lathe. 在车床上塑造的零件58.He adjusted the lathe and readied the cutting tool. 他调好车床，把刀具准备好。 59.He ordered the piece taken off the lathe. 他吩咐把工件从车床上拿下来61.The price of the lathe of this type is low. 这种型号的车床价格便宜.75.The lat

32、he bed is made of cast iron. 车床的床身是用铸铁做的。92.The work to be turned is held between the centers of the lathe. 要车的工件被夹在车床顶尖之间。 93.The lathe is being adjusted by the operator. 这台车床正由操作人员在调准。101.Holes are machined on lathes with various cutting tools. 孔眼可用不同的切削刀具在车床上加工。 102.The shaping of metal or wood o

33、n a lathe. 车削用车床使金属或木材成型的过程120.It is possible to cut all thread forms and sizes on a lathe. 可以在车床上车削各种形状和尺寸的螺纹132.They showed keen interest in the various lathes on exhibition.他们对展出中的各类车床表现出了浓厚的兴趣。145.Turning mainly adopts automatic and half-automatic Numerical Control Turning lathe, the largest mac

34、hining diameter is 2300 mm. 车加工已实现以数控车床为主自动化或半自动化，最大加工直径可达2300毫米。51A.This lathe (milling, boring, grinding, drilling, gear cutting, planer) machine is of home manufacture. 这台车床（铣床、镗床、磨床、钻床、切齿机、刨床）是我们国内制造的。52A.It is feasible to process tenuous hole with low precision on the plain lathe by adopting ap

35、propriate clamping apparatus &drilling tools and proper processing technology. 设计适当的夹具和钻具、采用合适的加工工艺，在普通车床上进行特度要求不高的细长孔的加工是可行的。53A.First of all, before talking about lathe work, do I say first what is the turning? 首先，在说车工之前，我先说说什么是车削？54A.The so-called turning , refer to operating workers (namely lath

36、e work), utilize rotatory sport of work piece and cutter team cut sport is it change size and form of blank to come first according to the request of drawing pattern at lathe, make it become a kind of metal cutting method of the acceptable product ! 所谓“车削”，是指操作工人（即车工）在车床上根据图纸图样的要求利用工件的旋转运动和刀具的先队切削运动

37、来改变毛坯的尺寸和形状，使之成为合格产品的一种金属切削方法！55AFor Z-type lathe, C-axis can be programmed with minimum feed unit 0.001. The hydraulic clamping device can offer high positioning accuracy(18). 机床可以加工直线、圆弧、公英制螺纹、多头螺纹，特别适于车削形状复杂，精度要求高的轴类和盘类零件。56Avertical drilling machine 立式钻床 57A.planer drilling machine 龙门钻床 58Aradia

38、l drilling machine 摇臂钻床59Agrinding machine 磨床 60Asurface grinding machine 平面磨床61Acenterless grinding machine 无心磨床62Ainternal grinder内圆磨床 63Ainternal grinding machine 内圆磨床 64Acylindrical grinder 外圆磨床 65A.cylindrical grinding machine 外圆磨床 66A.The grinder is centerless therefore not locating on any cen

39、ters. 这个磨床是无心的(无心磨床),由此不定位于任何中心.67A.Master Worker Wang is responsible for the overhaul of this grinder. 王师傅主修这台磨床。68A.What is hardening ? 淬火是怎么回事?69A.Hardening means make harder. 淬火就是促使变硬。70A.Why shall harden steel is annealled? 淬火钢为什么要退火呢？71A.The inner stress produced by quick cooling during quench

40、ing is the basic reason of formation of quench-distortion of parts.摘要淬火过程中的快速冷却在工件内部产生的内应力是导致淬火变形的根本原因。72A.Can we control the hardness of the steel when it is hardened ? 我们能够在钢淬火时控制它的硬度吗?73A.Anneal means to make harden steel soft and remove brittleness.退火就是使淬火钢变软并消除其脆性。74A.steel that has enough nick

41、el and chromium or manganese to retain austenite at atmospheric temperatures. 含有足量的镍和铬或锰以在大气温度下保持奥氏体的钢Chromium manganese Steel 铬锰钢75A.constructional alloy steels 合金结构钢76A.surface heat treatment 表面热处理77A.surface roughness 表面粗糙度 78A.surface roughness measurement 表面粗糙度测量79A.With adequate value within t

42、he range of max safe constant,high quality machining surface and high machining efficiency can be achieved in the machining. 在最大安全恒定进给速度范围内,选择合适的进给速度,既能使加工表面粗糙度均匀,保证加工表面质量,同时又能获得较高的高速加工效率80A.Conduct first article inspection and random sampling inspection. 进行首件检验和抽查检验。81A.Stop production if deem fit

43、for not meeting product quality specification. 根据新产品计划要求合理按排首件检验计划。82A.Every product under goes a close scrutiny. 每件产品都经过仔细的检查。83A.take a sample to check; take a sample for examination and test 取样检查84A.check on the quality of sth. 检查质量品质85A.check the results; 检查结果；86A.The results proved to be qualif

44、ied. 检查结果合格87A.inspection of a product for defect检查产品缺陷88A.quality auditing system 质量检查制度89A.sample workpiece 样件, 样品90A.pick out random samples for examination; make spot checks. 任意抽出一些样品来检查；进行抽样检查。91A.Whether the locating datum is chosen correctly or not influences the improvement of the machining

45、precision greatly. 摘要定位基准选择正确与否，对于提高机械加工精度有着重要影响。92A.Measure the straightness, parallelism and squareness. 测量直线度、平行度和垂直度。93A.cylindricity measurement 圆柱度测量94A.THE MANUFACTURE PROCESS AND HEAT-TREATMENT OF BUSH 衬套的加工工艺及热处理95A.a cylindrical metal lining used to reduce friction. 减少摩擦的一种圆柱形金属衬套。96A.Bush

46、ings (4): Furnishes shaft support at three locations for positive shaft alignment and actuator support 衬套（4）：在三个位置上配置轴支撑，有利于轴校直和执行机构的支撑。97A.The parts worked in correction dimension, needing not be scraped or machined after assembling can ensure a reasonable dearance between the bush hole and pin. 按修

47、正尺寸加工的衬套零件,装配后无需作钳工修刮或机加工,即可确保衬套孔与销之间具有合理的间隙。98A.public errand; noncombatant duty 公差99A.manufacturing tolerance 制造公差100A.tolerance of form and position 形位公差101A.An allowed difference in dimension of closely mating machine parts. 公差，容差机器配件的公差，容差102A.The machine is drilling a hole. 这台机器正在钻孔。103A.The n

48、oise of the drilling is intolerable. 钻孔的噪音让人受不了。104A.I need a drill to make a hole. 我需要用钻来钻孔。105A.The hand-operated or hand-powered holder for this implement. 钻孔机此工具的手动或手工操作的夹具106A.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。1.ream a hole 铰孔 107A.Do not overexert