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    • 5. 发明授权
    • Method for deburring a ceramic foundry core
    • 陶瓷铸造核心去毛刺的方法
    • US08490673B2
    • 2013-07-23
    • US12988447
    • 2009-04-17
    • Christian DefrocourtSerge PrigentDaniel QuachPatrick Wehrer
    • Christian DefrocourtSerge PrigentDaniel QuachPatrick Wehrer
    • B22C9/10B22C9/12
    • B28B11/18B24B9/06B24B19/14
    • A method for deburring a ceramic foundry core obtained by injecting a ceramic paste, the paste including a binder having a predetermined glass transition temperature, into a mold and having at least one surface portion with a surplus of material forming a burr to be eliminated. The method includes the following stages: a) disposing and attaching the molded, unfired foundry core onto a mounting; b) placing a milling tool, having an elongated shape with a helically cut edge, onto a tool holder; c) causing the tool to rotate around its axis and touching the milling tool to the surface portion to be deburred; and d) freezing the surface portion to be deburred such that the foundry core is maintained at a temperature lower than a glass transition temperature during the deburring operation.
    • 一种通过将具有预定玻璃化转变温度的粘合剂的陶瓷糊剂注入到模具中并且具有至少一个表面部分而形成毛刺以除去的至少一个表面部分而将陶瓷铸造芯去毛刺的方法。 该方法包括以下步骤:a)将模制的未烧结的铸造芯体放置并附接到安装件上; b)将具有螺旋切割边缘的细长形状的铣削工具放置在工具架上; c)使工具围绕其轴线旋转并且将铣削工具接触到待去毛刺的表面部分; 以及d)冷冻待去毛刺的表面部分,使得在去毛刺操作期间,铸造芯保持在低于玻璃化转变温度的温度。
    • 6. 发明申请
    • METHOD FOR DEBURRING A CERAMIC FOUNDRY CORE
    • 淘汰陶瓷基岩芯的方法
    • US20110049748A1
    • 2011-03-03
    • US12988447
    • 2009-04-17
    • Christian DefrocourtSerge PrigentDaniel QuachPatrick Wehrer
    • Christian DefrocourtSerge PrigentDaniel QuachPatrick Wehrer
    • B29C37/00
    • B28B11/18B24B9/06B24B19/14
    • The present invention relates to a method for deburring a ceramic foundry core (10) obtained by injecting a ceramic paste, said paste including a binder having a predetermined glass transition temperature, into a mold and having at least one surface portion with a surplus of material forming a burr (B) to be eliminated. The method is characterized in that it includes the following stages: a) disposing and attaching the molded, unfired foundry core (10) onto a mounting (300); b) placing a milling tool (100), having an elongated shape with a helically cut edge, onto a tool holder; c) causing the tool to rotate around its axis and touching the milling tool to said surface portion to be deburred; and d) freezing (400) the surface portion to be deburred such that the foundry core is maintained at a temperature lower than said glass transition temperature during the deburring operation.
    • 本发明涉及一种通过将陶瓷膏(包括具有预定玻璃化转变温度的粘结剂)的糊料注入模具而得到的陶瓷铸造铁心(10)的去毛刺方法,并具有至少一个具有多余材料的表面部分 形成要消除的毛刺(B)。 该方法的特征在于它包括以下阶段:a)将模制的未烧结的铸造铁芯(10)设置并附接到安装件(300)上; b)将具有螺旋形切割边缘的细长形状的铣刀(100)放置在刀架上; c)使所述工具围绕其轴线旋转并且接触所述铣削工具以使所述表面部分被去毛刺; 以及d)冷冻(400)待去毛刺的表面部分,使得在去毛刺操作期间,铸造芯保持在低于所述玻璃化转变温度的温度。
    • 7. 发明授权
    • Process for manufacturing ceramic cores for turbomachine blades
    • 用于制造涡轮机叶片的陶瓷芯的方法
    • US07533714B2
    • 2009-05-19
    • US11742850
    • 2007-05-01
    • Didier GuercheSerge PrigentPatrick Wehrer
    • Didier GuercheSerge PrigentPatrick Wehrer
    • B22C9/10B22C9/12
    • B22C9/103
    • A process for manufacturing a ceramic foundry core having at least one thin region with a thickness “e”, in particular in of a turbomachine blade trailing edge, including the forming in a mold of a mixture including a ceramic particle filler and an organic binder, the extraction of the core from the mold, the binder removal and consolidation heat treatment of the core. The process is one in which a core is formed in the mold, the region of this core being thickened relative to the thickness “e” by an overthickness E and in which the overthickness is machined after the core has been extracted from the mold and before or after the heat treatment operation. In particular, the machining is carried out mechanically by milling, either with removal of chips on the cores before firing, or by abrasion on the fired cores.
    • 一种用于制造具有至少一个厚度为“e”的薄区域的陶瓷铸造铁芯的方法,特别是在涡轮机叶片后缘中,包括在模具中形成包括陶瓷颗粒填料和有机粘合剂的混合物, 从模具中提取芯材,去除粘合剂并固化热处理芯。 该方法是在模具中形成芯体,该芯部的区域通过厚度E相对于厚度“e”而变厚,并且在芯从模具中提取之后并且之前加工过厚度 或在热处理操作之后。 特别地,通过铣削机械地进行加工,或者在烧制之前去除芯上的切屑,或者通过在烧制的芯上的磨损来进行加工。
    • 8. 发明申请
    • PROCESS FOR MANUFACTURING CERAMIC CORES FOR TURBOMACHINE BLADES
    • 用于制造涡轮叶片的陶瓷刀的方法
    • US20070261811A1
    • 2007-11-15
    • US11742850
    • 2007-05-01
    • Didier GuercheSerge PrigentPatrick Wehrer
    • Didier GuercheSerge PrigentPatrick Wehrer
    • B22C9/10B22C9/04
    • B22C9/103
    • The invention relates a process for manufacturing a ceramic foundry core having at least one thin region with a thickness “e”, in particular in of a turbomachine blade trailing edge, comprising the forming in a mold of a mixture comprising a ceramic particle filler and an organic binder, the extraction of the core from the mold, the binder removal and consolidation heat treatment of the core. The process is one in which a core is formed in said mold, said region of this core being thickened relative to the thickness “e” by an overthickness E and in which said overthickness is machined after the core has been extracted from the mold and before or after the heat treatment operation. In particular, the machining is carried out mechanically by milling, either with removal of chips on the cores before firing, or by abrasion on the fired cores.
    • 本发明涉及一种用于制造具有至少一个厚度为“e”的薄区域的陶瓷铸造芯的方法,特别是在涡轮机叶片后缘中,包括在模具中形成包含陶瓷颗粒填料和 有机粘合剂,从模具中提取芯,去除粘合剂并固化热处理芯。 该过程是在所述模具中形成芯部,该芯部的区域通过厚度E相对于厚度“e”而变厚,并且在从模具中取出芯部之后加工所述厚度 或在热处理操作之后。 特别地,通过铣削机械地进行加工,或者在烧制之前去除芯上的切屑,或者通过在烧制的芯上的磨损来进行加工。