PROCEDE DE PRODUCTION D'UN NOYAU CERAMIQUE
    2.
    发明公开

    公开(公告)号:EP3188857A1

    公开(公告)日:2017-07-12

    申请号:EP15767213.0

    申请日:2015-09-01

    IPC分类号: B22C9/10

    摘要: The invention relates to the field of casting and more particularly to a method for producing a ceramic core (1) for casting, said core (1) having a shape that has at least one first lateral protrusion (11), the method involving at least a step of injecting a paste containing a ceramic granulate and a polymer binder into a mould cavity to form a component (10) having a shape corresponding to the shape of the core (1) with the addition of at least one additional lateral protrusion (15) adjacent to said first lateral protrusion (11), a step of curing the component (10) and a step of eliminating the said additional lateral protrusion (15) from the component (10) after said firing step.

    摘要翻译: 所述芯(1)具有至少一个第一侧向突起(11)的形状,所述方法至少涉及铸造用陶瓷芯 将包含陶瓷颗粒和聚合物粘合剂的糊剂注入模腔以形成具有与所述芯(1)的形状对应的形状的部件(10)的步骤,其中添加了至少一个额外的横向突起(15 )与所述第一横向突起(11)相邻的部分,固化所述部件(10)的步骤和在所述煅烧步骤之后从所述部件(10)去除所述附加横向突起(15)的步骤。