A double grip method is employed to use two grippers for material feed and return motions at the same time. Either gripper securely clamps the material during the motion, achieving the positioning accuracy of ?0.5 mm / 13 m.

Three drills on three axes work to complete drilling in the shortest possible time. Since all drill axes can automatically be decelerated by pressure switches, there is no need to make limit adjustment. Simply input drill diameters.

The CNC system helps to automatically create programs simply by tapping on-screen buttons in response to inquiries from the computer for fully automatic operation. Operator friendly graphics (pictograms and charts) are helpful.