摘要
A laser-scanning calibre measuring and digital indicating grating photosensor gauging systems are introduced,which are used to measure the dimensions of bullet.In the paper,we expound the operation principle and design idea of the principal parts and units.
ＰｈｏｔｏｅｌｅｃｔｒｉｃＩｎｓｔｒｕｍｅｎｔｆｏｒＭｅａｓｕｒｉｎｇｔｈｅＧｅｏｍｅｔｒｉｃａｌＤｉｍｅｎｓｉｏｎｓｏｆｔｈｅＢｕｌｌｅｔＭＡＨｏｎｇ；ＣＨＥＹｉｎｇ；ＡＮＺｈｉｙｏｎｇ；ＸＵＨｏｎｇｊｉ；ＹＡＮＧＤａｒｕｎ（ＣｈａｎｇｃｈｕｎＩｎ...
