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片。从此以后，动画片的创作和 制作水平日趋成熟，人们已经开始有意识的制作表现各种内容的动画片
in 1909, americans winsor mccray performance with a million images an animation story, this is by far the worlds recognized as the first decent animation clips. since then, the level of animation creation and production of mature, people have started to make sense of the performance of various elements of the cartoon.
1926年 万氏兄弟成功的发展了中国第一部动画片 这也是中国美术的里程碑。
in 1926, wang’s brother successfully developed china’s first cartoon it is also the beginning of chinese art pieces.
动漫有以下三种风格 欧美风格 中国风格 日式风格
there are three styles of european and american animation style of chinese-style
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japanese style 无论如何，有不同的动画给了我们巨大的喜悦。它作为一个媒体，使用或幽默夸张的款式或到社会现实的阴沉深的形式还指导我们的成长。也是一个非常有前途的行业?
anyway, have a different animation gives us immense joy. it also guided our growth as a form of media, use or exaggerated style of humor or the gloomy deep into the social reality. is also a very promising industry ~
最后 让我们看一个动漫小视频 finally, let us look at a small animation video thanks~ 1、lathe
2、value of two yuan of the third series of the rmb ——the turner
3、a lathe is a machine tool which rotates the workpiece on its axis to perform various operations such as cutting, sanding, knurling , drilling, or
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deformation with tools that are applied to the workpiece to create an object which has symmetry about an axis of rotation. 4、history
the lathe is an ancient tool, dating at least to ancient egypt and known and used in assyria and ancient greece .
the origin of turning dates to around 1300 bc when the ancient egyptians first developed a two-person lathe. ancient rome improved the egyptian design with the addition of a turning bow. in the middle ages a pedal replaced hand-operated turning, the system today is called the “spring pole” lathe. spring pole lathes were in common use into the early 20th century.
during the industrial revolution, mechanized power generated by water wheels or steam engines was transmitted to the lathe via line shafting, between the late 19th and mid-20th centuries,
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individual electric motors at each lathe replaced line shafting as the power source. beginning in the 1950s, servomechanism were applied to the control of lathes and other machine tools via numerical control, today manually controlled and cnc lathes coexist in the manufacturing industries . 5、description：parts
explanation of the standard components of most lathes:
? bed床身: usually made of cast iron. provides a heavy rigid frame on which all the main components are mounted.
? ways床身导轨: inner and outer guide rails that are precision machined parallel to assure accuracy of movement. ? headstock床头箱，主轴箱: mounted in a fixed position on the inner ways, usually at the left end. using a chuck, it rotates the work.
? gearbox ①齿轮箱②变速器: inside the headstock, providing multiple
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speeds with
a geometric ratio by moving levers. ? spindle心轴，主轴: hole through the headstock to which bar stock can be fed, which allows shafts that are up to 2 times the length between lathe centers to be worked on one end at a time.
? chuck卡盘: 3-jaw or 4-jaw to clamp part being machined.
? chuck: allows the mounting of difficult workpieces that are not round, square or triangular.
? tailstock尾架: fits on the inner ways of the bed and can slide towards any position the headstock to fit the length of the work piece. an optional taper turning attachment would be mounted to it.
? tailstock quill尾架套管: has a morse taper to hold a lathe center, drill bit or other tool.
? carriage托架，滑动架: moves on the outer ways. used for mounting and
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英语演讲稿ppt(精选多篇)
