Masking system using masking piece

A masking system comprising:

• a first detection unit configured to detect positional information and posture information of an object,
• an object gripping unit configured to grip said object,
• a coating unit configured to coat an adhesive,
• a masking piece gripping unit configured to grip a masking piece and to attach the masking piece to a masking location of said object,
• a second detection unit configured to detect positional information and posture information of said masking piece gripped by said masking piece gripping unit, and
• a robot with a robot controller,
• wherein said robot controller is configured to control the robot to perform
• first conveyance work of making said object gripping unit grip said object and set the object at a predetermined position based on the positional information of said object detected by said first detection unit,
• coating work of making said coating unit coat the adhesive on the masking location of the object which is set at said predetermined position, and
• second conveyance work of making said masking piece gripping unit adhere said masking piece to the masking location of said object based on the positional information of said masking piece detected by said second detection unit and the positional information of said object detected by said first detection unit.