HOLLOW NOZZLE AND MANUFACTURING METHOD THEREOF

摘要

PROBLEM TO BE SOLVED: To achieve both weight reduction and improvement erosion-resistance by forming a wing-like hollow nozzle using resin-reinforced plastic and manufacturing a front edge of the nozzle with excellent erosion-resistant material.SOLUTION: A wing-like nozzle plate 2 is formed by connecting an end of a front edge member 5 newly formed with a material having higher erosion-resistance than other sections of the nozzle plate, to a front edge side end of a hollow nozzle plate 2 which is molded and formed using a resin-reinforced plastic and not having a front edge.