Abstract. Filament winding is a common method of manufacturing cylindrical composite products. It is the process of placing threads or tapes in strict geometric order on the surface. The winding material is usually carbon fiber or glass fiber coated by a synthetic resin. The mandrel is removed when the resin hardens and then the final product is formed. Linear speed of winding material and thread tension (tape) are maintained at a given level by special devices in the process of winding up, so no less it is impossible to stabilize the winding tension of the surface layer and to ensure the same winding mode and the same winding density for all reproduced products. Final products have differentiations in radius of winding along generator line of the cylindrical body and surface layer of the finished product has tuberosity. To address this shortcoming, a control system of the composite winding density is proposed. The system is anticipated to ensure stability of the composite product’s geometric parameters and its density.

Keywords: composite material, circumferential winding, thread tension, control system of the composite winding density

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