A three -coordinate measuring machine for measuring work piece lateral side holes position

The utility model provides a three -coordinate measuring machine for measuring work piece lateral side holes position, including workstation, left socle, right branch frame and X axle drive mechanism,left socle and right support mounting in workstation both sides, X axle drive mechanism installs in the workstation bottom to with left socle and right branch frame fixed connection, include still that YZ axle exercise machine constructs and R axle rotary mechanism, YZ axle exercise machine constructs including slider servo motor, slider, electronic plug gauge and measurement station, is equippedwith the slider groove in the left socle, and slider one end is settled in the slider inslot to fixed with slider servo motor, the slider other end is fixed with electronic plug gauge one end, and the electronic plug gauge other end is connected to the measurement station, R axle rotary mechanism includes R axle carousel, carousel servo motor and R shaft detection ware, and R axle carousel is installed on the workstation,