Abstract
By the design of combined machine which is used to drill and ream holes in filter surface of YZ485 Block, we can know about the concept, characteristic and classification of combined machine This article expounds the machining range and the development design process and contents According to the detail and its machining request, the whole design of combined machine, choose reasonable cutting tools and cutting conditions and calculate the strength of main axle and gears Through these work, we can know about construction of combined machine and mast how to design combined machine So enhance our design level
Key words : combined machine machining illustration process drawing main axle box main axle