PROCESS FOR THE PREPARATION OF TUBES OF COMPOSITE MATERIAL WITH HIGH MECHANICAL AND TRIBOLOGICAL CHARACTERISTICS

摘要

A method of manufacturing a composite material in the form of an annular tube by winding on a mandrel, from a fabric of reinforcing fibers and a sheet of matrix material, comprising the following steps: BR/ 1 ) preheating the mandrel to a predetermined value, BR/ 2) fixing the reinforcing fiber fabric and the sheet of matrix material on the mandrel,. BR/ 3) rotating the mandrel at a nominal value to ensure simultaneous winding of the fabric and of the sheet, BR/ 4) actuation of material heating means and chuck cooling means, BR/ 5) when the desired diameter of the tube is reached, means for heating and rotation of the mandrel, BR/ 6) after a determined period, sufficient to bring the temperature of the mandrel to the predetermined preheating value, stop the cooling means, BR/ 7) disassembly of the mandrel The present invention also relates to the composite material obtained from of this process and by machine for the manufacture of this material according to this process.