1、 毕 业 设 计（论 文） 外 文 参 考 资 料 及 译 文 译文题目： TRANSFER AND UNIT MACHINE 组合机床 学生姓名： 学 号： 专 业： 机械设计制造及其自动化 所在学院： 指导教师： 职 称： 讲师 2012年 11月 23 日 说明： 要求学生结合毕业设计（论文）课题参阅一篇以上的外文资料，并翻译至少一万印刷符（或译出 3 千汉字）以上的译文。译文原则上要求打印（如手写，一律用 400 字方格稿纸书写），连同学校提供的统一封面及英文原文装订，于毕业设计（论文）工作开始后 2 周内完成，作为成绩考核的一部分。 TRANSFER AND UNIT MACHINE
2、 While the specific intention and application for transfer and unit machine vary from one machine type to another, all forms of transfer and unit machine have common benefits. Here are but a few of the more important benefits offered by TRANSFER AND UNIT MACHINE equipment. The first benefit offered
3、by all forms of transfer and unit machine is improved automation. The operator intervention related to producing workpieces can be reduced or eliminated. Many transfer and unit machine can run unattended during their entire machining cycle, freeing the operator to do other tasks. This gives the tran
4、sfer and unit machine user several side benefits including reduced operator fatigue, fewer mistakes caused by human error, and consistent and predictable machining time for each workpiece. Since the machine will be running under program control, the skill level required of the transfer and unit mach
5、ine operator (related to basic machining practice) is also reduced as compared to a machinist producing workpieces with conventional machine tools. The second major benefit of transfer and unit machine technology is consistent and accurate workpieces. Todays transfer and unit machines boast almost u
6、nbelievable accuracy and repeatability specifications. This means that once a program is verified, two, ten, or one thousand identical workpieces can be easily produced with precision and consistency. rd benefit offered by most forms of transfer and unit machine tools is flexibility. Since these mac
7、hines are run from programs, running a different workpiece is almost as easy as loading a different program. Once a program has been verified and executed for one production run, it can be easily recalled the next time the workpiece is to be run. This leads to yet another benefit, fast change over.
8、Since these machines are very easy to set up and run, and since programs can be easily loaded, they allow very short setup time. This is imperative with todays just-in-time (JIT) product requirements. Motion control - the heart of transfer and unit machine The most basic function of any transfer and unit machine is automatic, precise,
