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The crawler type shot blasting machine is suitable for surface derusting or shot blasting of workpieces produced in large and medium batches of various varieties. The cleaning workpiece must be a product such as a casting that is not afraid of collision. The scope of application of the crawler shot blasting machne:cleaning and polishing of die castings,precision castings,preclsion ofrgings,etc.Remove suface scale of heat-treated parts, castings and forgings,strengthen springs,derust and pre-treat fasteners. This machine cannot clean high-temperature of workpieces with flash or burrs, othervise the track will be damaged. The automatic loading and unloading mechanism can be designed to reduce the labor intensity of workers and improve production efficiency.