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Belt polishing machine for manual correction of curved surfaces with low tolerances is designed especially for aircraft engine turbine blades, vanes of hydraulic turbines, ships etc. The working tool is a strip of sandpaper of different widths.
The operation itself is performed on a rubber roll, the diameter and width of which is determined by the rays of the curvilinear profile of the blade. The linear speed of the belt is adjustable. The machine can be used in various areas: aeronautics, maritime industry, manufacturing of medical equipment, art objects.