There are three basic methods for repairing agricultural machinery parts:restoration of size restoration techniques,repair-size repair techniques,and special repair techniques.Resilience repair techniques include welding and surfacing,thermal spraying,electroplating,electroless plating,spark coating and molten metal layers;repairing dimensions include machining,fitter,add-on method,partial replacement,transposition Etc.Special repair techniques include correction of deformation,surface strengthening,sealing and sealing,bonding and gluing,and pressure processing.At present,the repair techniques commonly used in production should be promoted and adopted with effective and advanced repair technology under economic and reasonable conditions in accordance with the principle of[mainly repairing and supplementing".After the mechanical parts are damaged,there are many repair methods.
