A long life cermet coated crêping blade
    1.
    发明授权
    A long life cermet coated crêping blade 有权
    Kreppklinge mit Cermet-Beschichtung mit langer Lebensdauer

    公开(公告)号:EP3031982B1

    公开(公告)日:2017-03-29

    申请号:EP14197073.1

    申请日:2014-12-10

    IPC分类号: D21G3/00 B31F1/14 D21G3/04

    摘要: The invention relates to a blade for creping a paper web from a Yankee cylinder surface, said blade comprising a steel substrate having a thickness of 0.7 mm - 2 mm, the steel substrate being covered by a cermet coating that forms a working edge adapted for contact with said surface, wherein the cermet coating comprises chromium carbides and tungsten carbides in a nickel based metal matrix and wherein the cermet coating has a porosity of 1100 HV 0.3 .

    摘要翻译: 本发明涉及一种用于从洋基圆筒表面起皱纸幅的刀片,所述刀片包括厚度为0.7mm-2mm的钢基底,钢基底被形成适于接触的工作边缘的金属陶瓷涂层覆盖 其中所述表面,其中所述金属陶瓷涂层包括镍基金属基体中的碳化铬和碳化钨,并且其中所述金属陶瓷涂层具有<2体积%的孔隙率和> 1100HV 0.3的硬度。