基于加工特性的精密铣刀几何模型设计

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基于加工特性的精密铣刀几何模型设计(中文4500字,英文3600字)
摘要:本文提出了一种设计一种形状铣刀的新方法,用于精确地获得复杂的自由曲面。在本研究中,由于其在设计和磨削性能上的重要作用,可以适当地定义耙面、螺旋槽和间隙面的交点。提出了一种新的刀具几何模型。因此,设计了一种满足工件加工特性要求的新型铣刀。此外,还可采用刀形几何模型,以最小测点绘制测量策略,以达到刀具的精确几何特征。

Geometry design model of a precise form-milling cutter based on the machining characteristics
Abstract This paper presents a new approach to design a form milling cutter for precisely obtaining the complex free-form surfaces. In this study, the intersection point of the rake surface, helix flute and clearance flank is appropriately defined due to its significant role in the design and grinding performance. The angle-solid-block analysis is developed to establish the new cutter geometry model. Hence, a new form-milling cutter satisfying the requirements of machining characteristics of workpiece can be designed. In addition, the cutter geometric model can be adopted to map out the measuring strategy with minimum measured points to attain the exact geometric feature of cutter.