Gravure roller and production method thereof

The invention relates to an intaglio roller and a production method thereof, and belongs to the field of intaglio printing equipment. The gravure plate roller comprises a plate roller base tube, a carving tube is coaxially and fixedly connected to the plate roller base tube through a bonding layer, a wear-resistant layer is arranged on the carving tube, flange plates are coaxially and fixedly connected to the two ends of the plate roller base tube, and key grooves are formed in the inner walls of the flange plates. The printing plate roller is used for intaglio printing, and a production method of the printing plate roller comprises the following steps that S1, the outer side wall of a printing plate roller base tube is cleaned, and the printing plate roller base tube is coaxially sleeved with a carving tube and connected with the carving tube through a bonding layer; s2, the outer side wall of the engraved pipe is ground and polished; s3, printing patterns are carved on the outer side wall of the carving pip