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Rapid Planning for CNC Milling—A New Approach for Rapid Prototyping

机译:CNC铣削的快速规划-快速原型制作的新方法

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This paper presents a description of how CNC milling can be used to rapidly machine a variety of parts with minimal human intervention for process planning. The methodology presented uses a layer-based approach (like traditional rapid prototyping) for the rapid, semi-automatic machining of common manufactured part geometries in a variety of materials. Parts are machined using a plurality of 2(1/2)-D toolpaths from orientations about a rotary axis. Process parameters such as the number of orientations, tool containment boundaries, and tool geometry are derived from CAD slice data. In addition, automated fixturing is accomplished through the use of sacrificial support structures added to the CAD geometry. The paper begins by describing the machining methodology and then presents a number of critical issues needed to make the process automatic and efficient. Example parts machined using this methodology are then presented and discussed.
机译:本文介绍了如何使用CNC铣削以最少的人工干预来快速加工各种零件,以进行工艺规划。所介绍的方法使用基于层的方法(如传统的快速原型制作)来对各种材料中的常见制造零件几何形状进行快速,半自动加工。使用多个2(1/2)-D刀具路径从围绕旋转轴的方向加工零件。过程参数(例如,方向数,刀具容纳边界和刀具几何形状)是从CAD切片数据得出的。另外,通过使用添加到CAD几何形状的牺牲支撑结构来实现自动夹具。本文从描述加工方法开始,然后提出了使过程自动化和高效所需的许多关键问题。然后介绍和讨论使用这种方法加工的示例零件。

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