Arc linear guide rail for machine tool and manufacturing method thereof

An arc linear guide rail for a machine tool comprises a guide rail base plane and a guide sliding block, the guide rail sliding block is arranged on the guide rail base plane, an arc-shaped groove is formed in the guide rail base plane, and the guide rail sliding block is embedded in the groove according to the shape of the groove and is fixed by pouring glue. Due to the fact that the groove is formed in the guide rail base plane and is connected with the guide rail by pouring the glue, assembly efficiency and precision are greatly improved.