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Principle of laser cladding process equipment
Release time:
2023-02-10
Cladding process: Laser cladding can be roughly divided into two categories according to the supply mode of cladding materials, namely preset laser cladding and synchronous laser cladding.
Cladding process: Laser cladding can be roughly divided into two categories according to the supply mode of cladding materials, namely preset laser cladding and synchronous laser cladding.
The preset laser cladding is to place the cladding material on the surface of the substrate in advance, and then use the laser beam irradiation to scan and melt, the cladding material is added in the form of powder or wire, which is more commonly used in the form of powder.
Synchronous laser cladding is to send powder or wire cladding materials into the molten pool synchronously through the nozzle during the cladding process. The cladding material is added in the form of powder or wire, with the powder form being more commonly used.
The main process flow of preset laser cladding is: substrate cladding surface pretreatment-preset cladding material-preheating-laser cladding-post heat treatment.
The main process of synchronous laser cladding is: substrate cladding surface pretreatment-preheating-synchronous laser cladding-post heat treatment.
According to the process flow, the processes related to laser cladding are mainly the surface pretreatment method of the substrate, the feeding method of the cladding material, preheating and post-heat treatment.
laser working principle:
The complete set of laser cladding equipment consists of laser, cooling unit, powder feeding mechanism, processing table, etc.
Laser selection: The mainstream laser types support laser cladding processes, such as CO2 lasers, solid-state lasers, fiber lasers, semiconductor lasers, etc.
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