SUC8110 is a CNC special purpose machine designed and manufactured for automobile engine factories for machining key slots of camshafts. The special purpose machine consists of base, column, CNC slide, milling head, clamping device, angular positioning, hydraulic system, pneumatic system, cooling system, lubrication system, tools and auxiliaries, electrical system and machine guard etc. The machine is applicable for machining camshafts of different dimensions with convenient exchange and reliable performance. The required accuracys can be met in one processing, which shows a high productivity and easy accessibility. The machine is guarded completely. The guard door adopts pneumatic control system, which can switch on and off automatically, safely and reliably. The machine is a CNC special purpose machine with comprehensive functions in a compact layout and rational configuration, and features less floor space, specious appearance and easy adjustment and maintenance.