机械工程专业英语教程第2版Lesson 36.ppt

Lesson 36 LathesTerminologyText tour 11/19/20221机械工程专业英语教程Terminology11/19/20222机械工程专业英语教程Stop A part in a machine that stops or regulates movement撞块，挡块：用于使机器停止运动或调节运动位置的限位零件。CarriageCarriage is a major element in lathe mechanism,which provides the necessary longitudinal motion to the cutting tool to generate the necessary surfaces.溜板：车床中的一个主要部件，它为刀具提供必要的纵向移动以生成所需要的加工表面。机械工程专业英语教程11/19/2022Work A material or piece of material being processed in a machine during manufacture工件：制造过程中被机器加工的材料。Engine lathe 普通车床 311/19/2022机械工程专业英语教程4Chuck A clamp that holds a tool or the material being worked in a machine such as a lathe.卡盘：在诸如车床等机床上用来夹持刀具或工件的装置11/19/2022机械工程专业英语教程5Collet 弹簧夹头Machining center 加工中心11/19/2022机械工程专业英语教程6Engine lathes,of course,are general-purpose machines used in production and maintenance shops all over the world.Sizes range from small bench models to huge heavy duty pieces of equipment.Many of the larger lathes come equipped with attachments not commonly found in the ordinary shop,such as automatic stops for the carriage.普通车床是全世界的生产车间和维修车间里广泛使用的通用机床。它的尺寸范围很广，从小型的台式车床到巨大的重型车床。许多大型的车床配备有在普通车间中通常看不到的附件，例如，溜板的自动挡块。机械工程专业英语教程11/19/2022Text tour7A template of either a flat or three-dimensional shape is placed in a holder.A guide or pointer then moves along this shape and its m o v e m e n t c o n t r o l s t h a t o f t h e c u t t i n g t o o l.在夹持装置上安装平面或立体形状的样板，然后，导向触头或指 针 沿 着 它 的 外 形 移 动，从 而 控 制 切 削 刀 具 的 运 动。机械工程专业英语教程11/19/20228High-production turret lathes are very complicated machines with a wide variety of power accessories.The principal feature of all turret lathes,however,is that the tools can perform a consecutive serials of operations in proper sequence.Once the tools have been set and adjusted,little skill is required to turn out duplicate parts.高生产率的转塔车床是安装有许多动力附件的非常复杂的机器。然而，所有转塔车床的主要特点是刀具能按适当顺序完成一系列的加工工序。一旦这些刀具被安装调整好后，只需要很低的技术就可以车削加工出很多相同的零件。机械工程专业英语教程11/19/20229Many of todays more sophisticated lathes are called machining centers since they are capable of performing,in addition to the normal turning operations,certain milling and drilling operations.Basically,a machining center can be thought of as being a combination turret lathe and milling machine.Additional features are sometimes included by manufacturers to increase the versatility of their machines.当前，许多技术更为先进的车床叫做加工中心。因为，它们除了完成常规的车削工作之外，还可以完成某些铣削、钻削工作。加工中心基本上可以认为是转塔车床和铣床的组合体。有时，制造厂商为了增加机床的多用性，还会增加一些其它的性能。机械工程专业英语教程11/19/202210