Pyongyang, December 14 (KCNA) -- The Control Machine Institute under the DPRK State Academy of Sciences has succeeded in making servo device necessary for manufacturing CNC (computer numerical control) machine tools.

The digital servo device, simple in structure and easy to use, makes it possible to ensure high precision and speed operation of alternating-current servo motor.

The institute has already applied scores of servo devices to machine factories.

The servo device enjoys popularity for its rich interface and effective function.

The localization of servo device is a big progress in modernizing machine tools.