In this paper,the cam explorator in contour lathe is designed direct according to the contour of primary products with the mathematical analogue of the working course of the cam。
LECD is applied mainly in major and second panels of mobiles, color TVs, vari ous aphototropism sources, MP3, PDA, digital cam eras, vehicle displays, recreational devices and so on.
Probably, everyone knew the story: Jiang Yan cam poetize very well when he was young, but when he was old, his poem couldn’t compare with the former one as he didn’t study hard.