模具专业英语全套课件完整版ppt教学教程最新最全

1、(第四版)模具专业英语 Mold Professional English Press Process and Die DesignMold Materials The Injection Mold DesignManufacturing Technology of Mold Unit OneConstitution Unit TwoUnit ThreeUnit ThreeQuotation and Contract for Mold&Die Unit ThreeUnit One Mold Materials Lesson 2 Mold MaterialsLesson 3 Selection

2、of the SteelLesson 1 Polymers The word polymer literally means“many parts”. A polymeric solid material may be considered to be one that contains many chemically bonded parts or units which themselves are bonded together to form a solid.Two industrially important polymeric materials are plastics and

3、elastomers.Lesson 1 Polymers参考译文 聚合物的字面意思是“很多部分”。高分子固体物质被认为是一种由很多化学分子和元素聚合成的固体物质。两种重要的工业高分子材料是塑料和橡胶。Plastics are a large and varied group of synthetic materials which are processed by forming or molding into shape. Plastics can be divided into two classes,thermoplastics and thermosetting.Lesson 1 Po

4、lymers塑料是一种应用广泛、种类繁多的合成物，可以通过冲压或注塑加工成型。塑料可分为两类:热塑性塑料和热固性塑料。参考译文The basic building block of a plastic is the polymer molecule，a long chain of covalent bonded atoms. Secondary bonds then hold groups of polymer chains together to form the polymeric material. Lesson 1 Polymers塑料的基本构成是聚合物分子，一条由共价键原子组成的长链

5、。次级纽带将聚合物群体连在一起形成高分子材料。参考译文 Synthetic fabrics are man-made copies of natural fabrics. Synthetic fibers do not occur in nature as themselves but are usually derivatives of petroleum products. Lesson 1 Polymers合成纤维织物是人工仿造天然织物的产物。合成纤维通常是石油产品的衍生物，本身性质不会发生改变。参考译文 In a liquid crystal phase，the polymer mol

6、ecules have a certain degree of order. In the simplest case，the Nematic phase，the molecules generally point in the same direction but still move around with respect to one another as would be expected in a liquid. Lesson 1 Polymers液晶状态下聚合物分子有一定的排列顺序。最简单的情况下，在向列相，分子通常向同一方向移动，但也会像在液体中那样相互周向运动。参考译文New

7、WordsPolymeric adj.聚合的 elastomer n.弹性体 synthetic n.合成物 Thermoplastics n.热塑性塑料 molecule n.分子 insulation n.绝缘品 liquid crystal display 液晶显示屏 NotesA polymeric solid material may be considered to be one that contains many chemically bonded parts or units which themselves are bonded together to form a sol

8、id.Plastics can be divided into two classesthermoplastics and thermosetting plastics，depending on how they are structurally and chemically bonded.高分子固体物质被认为是一种由很多化学分子和元素聚合成的固体物质。 that语句修饰的是前面的“one”，“considered to be.”词组是“被认为是”的意思。塑料可分为两类:热塑性塑料和热固性塑料，这取决于它们的结构和化学合成。 “depend on.”词组译为“取决于”。In the simpl

9、est case， the Nematic phase， the molecules generally point in the same direction but still move around with respect to one another as would be expected in a liquid. 最简单的情况下，在向列相，分子通常向同一方向移动，但也会像在液体中那样相互周向运动。Molds can be made from a very broad spectrum of materials，However，because most processes requ

10、ire high pressures，and often combined with high temperatures，metals still represent by far the most important material group，with steel being the predominant metal. Lesson 2 Mold Materials参考译文模具使用材料多样，然而，由于大部分加工过程要求高压并经常伴有高温，到目前为止，金属仍然是最重要的模具材料，其中钢是主要的金属材料。 In contrast to the previously used methods

11、 based on the use of patterns，the use of CAD and CIM often represents the more economical solution today.Lesson 2 Mold Materials参考译文与以前制造模型的方法相比，CAD和CIM的应用代表了当今更为经济的制造方法。 although high-grade materials are often used，as a rule，standard materials are used in mold making . New，high-performance material

12、s，such as ceramics，for instance，are almost completely absent. Lesson 2 Mold Materials参考译文尽管高级材料也常被使用，但是模具制造通常还是使用标准材料。例如，新型高性能的材料（如陶瓷）几乎还没被使用。 Removal of air from the cavity of a mold is a necessary with many different processing methods，and it has been proposed many times that this can be accomplis

13、hed using porous metallic materials.Lesson 2 Mold Materials在许多不同的成型方法中，都必须将型腔中的气体排除，人们已经多次尝试使用多孔金属材料来排气。专门制造的排气装置位于熔融物料前锋相遇的地方，即熔接痕处。 参考译文Fig.1 -5 Microporous metal ejecting in a moldVenting of the edge-gated cavity used to produce a cupshaped product with a complex bottom would require a great deal

14、 of technical effort to provide guaranteed removal of the air from the bottom region. Lesson 2 Mold Materials用侧浇口成型带有复杂底部形状的杯状制品时，如何保证将底部的气体顺利排出，其技术难度是非常大的。用多孔材料做型芯和型腔，不需要其他的排气措施。 参考译文It is particularly difficult to remove the necessary amount of heat in regions with long，narrow cores. In this case，

15、 it is possible to distribute cold gas via the system of micropores in the core and in this way intensify the cooling， with the possible result of achieving a shorter cycle time. Lesson 2 Mold Materials从狭长的型芯中散去大量热量是非常困难的。既然这样，让散布的冷空气通过型芯微孔，从而加剧冷却，以缩短生产周期。 参考译文New Wordsmaterial property 材料性能 prototy

16、pe mold 原型模具 sintered material 烧结材料 porous adj.多孔的能渗透的 Air-permeable material 透气性材料 venting n.通风，排气 Edge-gated cavity 侧(边缘)浇口式型腔 NotesRemoval of air from the cavity of a mold is a necessary with many different processing methods，and it has been proposed many times that this can be accomplished using

17、 porous metallic materials.Venting of the edg -gated cavity used to produce a cup -shaped product with a complex bottom would require a great deal of technical effort to provide guaranteed removal of the air from the bottom region.在许多不同的成型方法中，都必须将型腔中的气体排除，人们已经多次尝试使用多孔金 属材料来排气。用侧浇口成型带有复杂底部形状的杯状制品时，如何

18、保证将底部的气体顺利排出，其技术难度是非常大的。In this case，it is possible to distribute cold gas via the system of micropores in the core and in this way intensify the cooling，with the possible result of achieving a shorter cycle time. 既然这样，让散布的冷空气通过型芯微孔，从而加剧冷却，以缩短生产周期。 “in this case”译为“既然这样”。“it is possible”中的“it”是形式主语，

19、实际的主语是由 “distribute”和“intensify”这两个动词不定式引导的不定式短语。Steel has the ideal qualifications，because its properties can be modified by alloying elements，special production processes，and heat treatment，and it can be adjusted to the already advantageous properties of the steels. Lesson 3 Selection of the Steel

20、 钢具有理想的性能，因为它的性能可以通过加入的合金元素、特定的生产工艺及热处理进行改善，以成为钢的有利性能。 参考译文 The development of mold steels that can be divided into the following groups: nitriding steels; case-hardened steels; prehardened steels; fully hardened steels; corrosion-resistant steels; maraging steels; hard material alloys. Lesson 3 Sel

21、ection of the Steel 模具钢可分为以下几种:氮化钢;表面硬化钢;预硬钢;完全硬化钢;耐腐蚀钢;马氏体钢;超硬材料合金。 参考译文Nitriding steels are preferred for extruders. Very high surface hardness values of at least 950HV are attained with the aluminum-alloyed steels 34CrAlMo5 and 34CrAlNi7. Lesson 3 Selection of the Steel 氮化钢是挤出模的首选材料。铝合金钢34CrAlMo5

22、和34CrAlNi7氮化后表面硬度值可达到至少950HV。参考译文 After the necessary heat treatment，case hardened steels still have a tough cores as well as a wear-resistant surface. The high surface hardness as well as modern deoxidation methods offer the best conditions for polishing. Lesson 3 Selection of the Steel 经过必要的热处理，表面

23、淬硬钢心部较韧且表面耐磨性较好。高的表面硬度就如现代真空条件下抛光所得到的表面硬度。参考译文Prehardened mold steels were originally used only for large molds but have now gained acceptance in plastics processing for molds of all sizes. Prehardened steels for plastic molds can be divided into two groups: （1）Prehardened steels with low sulfur con

24、tent; （2）Prehardened steels with increased sulfur content. Lesson 3 Selection of the Steel 预硬化模具钢最初只用于大型模具，但现在也用于塑料加工中各种规格的模具。预硬化塑料模具钢可分为两种:（1）硫含量低的预硬化钢; （2）增加了硫含量的预硬化钢。 参考译文The advantages of using fully hardened tool steels rather than case-hardened steels for molds are primarily the simpler heat t

25、reatment and the possibility of making corrections to the cavity at a later time without a new heat treatment. Lesson 3 Selection of the Steel 在制造模具的过程中，使用完全硬化钢而不是淬火钢的主要优势在于简单的热处理以及较短的时间加工型腔而在稍后的时间不必进行新的热处理。 参考译文 Corrosion-resistant steels are supplied in either a prehardened conditions， with a tens

26、ile strength of 1000 N/mm2，or a soft，annealed condition and are then heat treated to attain adequate strength. Common corrosion-resistant steels are usually sorted as follows: Prehardened steels; Annealed steels. Lesson 3 Selection of the Steel 耐蚀钢用于预硬化状态下，其抗拉强度达到1000 N/mm2;或在软的退火状态下，然后进行热处理，以获得足够的强

27、度。普通的耐蚀钢通常分类如下:（1）预硬化钢; （2）退火钢。 参考译文Maraging steels are suitable for tools with particularly complicated cavities. This special steel is supplied in the solution-annealed condition and has a tensile strength of 1000 N/mm2. Lesson 3 Selection of the Steel 马氏体钢适合制造具有特别复杂型腔的零件。这种特殊钢主要用于解决退火问题，并具有1000 N

28、/mm2的拉伸强度。 参考译文 Steels with even higher amounts of carbides cannot be produced by metallurgical melting. In such cases，hard metal alloys，produced by powder metallurgy，are available as a mold material. Lesson 3 Selection of the Steel 钢若含有较多的碳化物则不能冶金熔化。在这种情况下，用粉末冶金生产的硬质金属合金可作为模具材料。 参考译文New Wordstoughn

29、ess n.韧性，韧度 Machinability n.机加工性 quenched /kwentFd/ adj.淬火的 heat treatment 热处理 wear resistance 耐磨性 corrosion resistance 耐蚀性 nitriding steel 氮化钢 NotesRemoval of air from the cavity of a mold is a necessary with many different processing methods，and it has been proposed many times that this can be acc

30、omplished using porous metallic materials.Venting of the edg -gated cavity used to produce a cup -shaped product with a complex bottom would require a great deal of technical effort to provide guaranteed removal of the air from the bottom region.在许多不同的成型方法中，都必须将型腔中的气体排除，人们已经多次尝试使用多孔金 属材料来排气。用侧浇口成型带有

31、复杂底部形状的杯状制品时，如何保证将底部的气体顺利排出，其技术难度是非常大的。In this case，it is possible to distribute cold gas via the system of micropores in the core and in this way intensify the cooling，with the possible result of achieving a shorter cycle time. 既然这样，让散布的冷空气通过型芯微孔，从而加剧冷却，以缩短生产周期。 “in this case”译为“既然这样”。“it is possib

32、le”中的“it”是形式主语，实际的主语是由 “distribute”和“intensify”这两个动词不定式引导的不定式短语。Thank You!(第四版)模具专业英语 Mold Professional English Feed SystemThe Injection Molding and MachinetThree -plate Injection MoldMold Cavities and CoresLesson 4Unit Two The Injection Mold DesignLesson 5Lesson 6Lesson 7Ejection SystemLesson 8Spli

33、tsMold CoolingLesson 9Lesson 10Runnerless Molds Nozzle Types Lesson 11Injection molding（British English: moulding）is a manufacturing process for producing parts from both thermoplastic and thermosetting plastic materials. Material is fed into a heated barrel， mixed， and forced into a mold cavity whe

34、re it cools and hardens to the configuration of the mold cavity.Lesson 4 The Injection Molding and Machine参考译文注塑成型是将热塑性和热固性塑料加工成零件的制造过程。材料被放入加热筒中，混合后压入模腔，冷却硬化成模腔的形状。 Injection molding machines consist of a material hopper， an injection ram or screw-type plunger， and a heating unit. They are also kno

35、wn as presses. They hold the molds in which the components are shaped.Lesson 4 The Injection Molding and Machine模具注塑机由一个料斗、注射活塞或螺旋式活塞以及一个加热装置构成。它们也被称为压力机，内含零部件形成的模具。 参考译文Molds are typically constructed from hardened steel，pre-hardened steel，aluminium，and/or beryllium-copper alloy. Pre-hardened steel

36、 molds are less wear resistant and are used for lower volume requirements or larger components.Lesson 4 The Injection Molding and Machine模具通常由淬火钢、预硬钢、铝或铍-铜合金制成。预硬钢模具不耐磨，适用于小批量生产或制造较大的零件。参考译文Hardened steel molds are heat treated after machining. These are by far the superior in terms of wear resistan

37、ce and lifespan. Beryllium copper is used in areas of the mold which require fast heat removal or areas that see the most shear heat generated.Lesson 4 The Injection Molding and Machine淬硬钢模具加工后要进行热处理。这类模具在耐磨性和使用寿命方面具有较强的优势 。铍-铜合金适用于制造需快速去热或消除产生的热能的模具。参考译文Plastic resin enters the mold through a sprue

38、 in the injection mold， the sprue bush is to seal tightly against the nozzle of the injection barrel of the molding machine and to allow molten plastic to flow from the barrel into the mold， also known as cavity.Lesson 4 The Injection Molding and Machine塑料树脂通过注塑模具的浇道进入模具，浇口套密封紧接在注塑机注射料筒的喷嘴处，让熔化的塑料从料

39、筒流到模具，也就是型腔。参考译文Trapped air in the mold can escape through air vents that are grinded into the parting line of the mold. If the trapped air is not allowed to escape，it is compressed by the pressure of the incoming material and is squeezed into the corners of the cavity，where it prevents filling and

40、causes other defects as well.Lesson 4 The Injection Molding and Machine模具里积存的空气可以通过模具分型线的通风口排出。如果积存的空气不能排出，进料的压力会把它们挤压到型腔的角落，这会妨碍填充并导致其他问题。参考译文New Wordsinjection mold 注塑模具 mold cavity 模具型腔 injection ram 注射活塞 clamping force 锁模力 beryllium-copper alloy 铍-铜合金 Electrical Discharge Machining process 电火花加工

41、 sprue bush 浇口套 runner n.流道 trapped adj.堵塞的 Notes:After a product is designed， usually by an industrial designer or an engineer， molds are made by a moldmaker（or toolmaker） from metal， usually either steel or aluminium， and precision machined to form the features of the desired part.Beryllium copper

42、 is used in areas of the mold which require fast heat removal or areas that see the most shear heat generated.通常工业设计师或工程师设计完一个产品后，模具制造师（或工人）就会用金属，通常为钢或铝，制造模具，且精加工以达到理想效果。 句中的“usually by an industrial designer or an engineer”修饰前面的“product”，句中的 “either . or .”译为“或者或者”。铍-铜合金适用于制造需快速去热或剪切热产生最多的模具区域。 句中的

43、“which require fast heat removal or areas”修饰的是前面的“mold”，而句中的 “that see the most shear heat generated”修饰的是前面的“areas”。If the trapped air is not allowed to escape， it is compressed by the pressure of the incoming material and is squeezed into the corners of the cavity， where it prevents filling and cau

44、ses other defects as well.如果积存的空气不能排出，进料的压力会把它们挤压到型腔的角落，这会妨碍填充并导致其他问题。 句中的“be compressed by”译为“被压缩”，“where it prevents filling and causes other defects as well”从句修饰的是前面的“the corners of the cavity”。Three -plate injection molds are injection molds possessing two parting lines，having been designed as d

45、egating molds. This means that the sprue is separated from the parts in the mold.Lesson 5 Three plate njection Mold 三板式注射模具是具有两个分型面的注射模具，这种模具带有浇口，也就是直浇道在模具中和塑件相分离。参考译文At the conclusion of injection the mold opens at the first parting line，which contains the sprue and runner and separated the pinpoin

46、t gate from the part. Only when the second parting line opened，the part would be released.Lesson 5 Three plate njection Mold 在注射结束后，模具沿第一层分型面开模，其中包含了注入口、浇道和 塑件中分流的针孔型浇口。仅当沿第二层分型面开模时，塑件才脱离型芯。 参考译文New Wordsthree -plate injection mold 三板式注射模具 sprue n .注入口，直浇道 pinpoint n .针孔型浇口 stop n .止动销，制动销，限位器 reten

47、tion system 滞留系统 ejector plate 顶料板 protruding rod 凸出杆，伸出杆 star -shaped runner 星形流道 sprue separating area 浇道分离面 sprue -stripping plate 注料口分模板 stripping n .脱模，拆模 Notes:Contrary to the usual mold design, this tool has an additional mold parting line for the star shaped runner.At the conclusion of injec

48、tion the mold first parted at 1 in the sprue separating area when the machine opens.与通常的模具设计不同，此模具中为星形流道设计了一个附加的模具分型线。居中“contrary to”译为“与相反”。当注射成型结束时，随着机器的打开，模具将首先在浇道分离面1处分型。句中短语“at the conclusion of”译为“当完结时”。Normally the feed system comprises a sprue， runner and gate. These terms apply equally to t

49、he flow way itself，and to the molded material which is removed from the flow way itself in the process of extracting the molding.Lesson 6 Feed System浇注系统由主流道、分流道和浇口组成。这些术语应用在相应的进料通道本身，以及取出塑件时从进料通道中一同取出的浇注系统凝料。参考译文As the temperature of molten plastic is lowered while going through the sprue and runne

50、r， the viscosity will rise; therefore， the viscosity is lowered by shear heat generated when going through the gate to fill the cavity.Lesson 6 Feed System熔融塑料通过主流道和分流道时温度降低而使熔体黏度升高，然而当熔体通过浇口填充型腔时，由于剪切作用产生的热量又使黏度降低。 参考译文A sprue is a channel through which to transfer molten plastic injected from the

51、nozzle of the injector into the mold. A runner is a channel that guides molten plastic into the cavity of a mold. A gate is an entrance through which molten plastic enters the cavity.Lesson 6 Feed System参考译文主流道是将熔融塑料从注塑机喷嘴传递到模具型腔的通道。分流道是引导熔融塑料进入模具型腔的通道。浇口是熔融塑料进入型腔的入口。 The purpose of the cold slug we

52、ll， shown opposite the sprue， is theoretically to receive the material that has chilled at the front of the nozzle during the cooling and ejection phase.Lesson 6 Feed System参考译文冷料井正对着主流道。理论上，冷料井的作用是用来储存在塑件冷却和推出过程中注塑机喷嘴处形成的熔体前锋冷料。New WordsFlow-way 进料通道 nozzle n.喷嘴 branch runner 分流道 injector n.注射器 sol

53、idify vt.(使)凝固，(使)固化 backflow n.逆流，流向来源 cold slug well 冷料井 chilled adj.已冷的，冷硬了的 Notes:As the temperature of molten plastic is lowered while going through the sprue and runner， the viscosity will rise; therefore， the viscosity is lowered by shear heat generated when going through the gate to fill the

54、 cavity.The purpose of the cold slug well shown opposite the sprue is theoretically to receive the material that has chilled at the front of the nozzle during the cooling and ejection phase. 熔融塑料通过主流道和分流道时温度降低而使熔体黏度升高，然而当熔体通过浇口填充型腔时，由于剪切作用产生的热量又使黏度降低。句中的“therefore”连接前后两个句子，“As the temperature of mol

55、ten plastic is lowered while going through the sprue and runner”是原因状语从句，修饰“the viscosity will rise”。冷料井正对着主流道。理论上，冷料井的作用是用来储存在塑件冷却和推出过程中注塑机喷嘴处所形成的熔体前锋冷料。 句中的“shown opposite the sprue”修饰“the cold slug well”，“that has chilled at the front of the nozzle”是定语从句，修饰“the material”。We then proceeded to indic

56、ate alternative ways by which the cavity and core could be incorporated into the mold and we found that these alternatives fell under two main headings， namely the integer method and the insert method. Another method by which the cavity can be incorporated is by means of split inserts or splits.Less

57、on 7 Mold Cavities and Cores参考译文接下来我们简要说明选择哪种方式把型腔和型芯安装在模具中。这些方式可以归纳为两大类，即整体式和镶拼式。另一种组成型腔的方式是加入拼块或滑块。 When the cavity or core is machined from a large plate or block of steel，or is cast in one piece， and used without bolstering as one of the mold plates，it is termed an integer cavity plate or intege

58、r core plate.Lesson 7 Mold Cavities and Cores当型腔或型芯由一块大的钢板或钢块加工而成，或者铸成一体，不需使用支承件而形成一块模板时，就构成整体式型腔板或型芯板。 参考译文Of the many manufacturing processes available for preparing molds only two are normally used in this case. These are a direct machining operation on a rough steel forging or blank using the co

59、nventional machine tools， or the precision investment casting technique in which a master pattern is made of the cavity and core.Lesson 7 Mold Cavities and Cores参考译文在模具制造的众多方法中，用于加工整体式型腔板或型芯板的方法主要有两种:使用传统机床对粗锻钢材坯料直接加工，或利用精确的熔模铸造技术将坯料加工成型腔和型芯。The method consists in machining the impression out of sma

60、ll blocks of steel. These small blocks of steel are known，after machining，as inserts，and the one which forms the male part is termed the core insert and，conversely，the one which forms the female part the cavity insert.Lesson 7 Mold Cavities and Cores镶拼式型腔由小钢块加工而成。加工后的小钢块作为镶件，形成型芯部分的称为型芯嵌件，相反地，形成型腔部分