FIELD: technological processes.
SUBSTANCE: invention relates to the surface treatment of cylindrical articles prior to the application of HF energy absorbing material thereon. Corrugations are applied to the cylindrical and end surfaces of the article by rolling them with a roller. Use a roller made with a tooth cut out on its surface in the form of a quadrangular pyramid, located at an angle of 30° to the axis of the roller. Teeth are made with an offset of 0.5 steps, which is 1–1.2 mm.
EFFECT: as a result, the necessary roughness and high adhesion of the surface of the product are ensured.
1 cl, 7 dwg
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