23 Jul Supporting wheel repair device based on combined machining of plasma spraying and laser remelting
Abstract
The utility model discloses a supporting wheel repair device based on combined machining of plasma spraying and laser remelting, which relates to the technical fields of laser machining and surface engineering. The device comprises a plasma control cabinet, a powder feeding device, a gas cylinder I and a power supply, wherein the powder feeding device is used for providing metal powder for the plasma control cabinet; the gas cylinder I is used for supplying gas to the plasma control cabinet; a spraying pistol is connected to the plasma control cabinet; a movable workbench is arranged at the position close to the lower part of the spraying pistol; a laser heat treatment head and a gas cylinder II are arranged above the workbench; the air cylinder II is used for providing protective gas for the laser heat treatment head; a reflector is arranged above the laser heat treatment head; a laser is arranged at a position close to a mirror face of the reflector; and the device also comprises a numerical control system, wherein the numerical control system is used for regulating parameters such as spot diameter, scanning speed, laser power and the like of laser and simultaneously controlling the movement of the workbench and the rotation of a workpiece. The device has the advantages that the substrate bonding strength is high, heat influence on the substrate is low, the deformation is low, the tissue is excellent, and the comprehensive mechanical property of repaired parts is high.
Year: 2012
Country: CN
Doc No: 202155653