Magnetic Stepping-motor-typed Two-way Protective Shutter

摘要

This thesis is intended to introduce a kind of new magnetic stepping- motor-typed two-way protective shutter. The shutter is one of the key spareparts of slot camera XF-2000,a new outer drum-scanning slot camera, and the shutler's function and reliability are major qualifications of the slot camera. The thesis focuses on the design of the shutter, problems and solutions in this procedure as well. The introduction covers mechanic structure of shutter, advancement of major qualifications, control of magnetic stepping motor, and procedure of software.