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INTEGRALLY BLADED DISK WITH FLOW PATH TRENCHES AND METHOD OF FORMING SUCH A FLOW PATH TRENCH
INTEGRALLY BLADED DISK WITH FLOW PATH TRENCHES AND METHOD OF FORMING SUCH A FLOW PATH TRENCH
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机译：具有流道沟槽的整体刀片和形成这种流道沟槽的方法
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摘要
A method of forming a flow path trench (516) in an integrally bladed disk (500) is provided. The method includes tilting a cutting tool (530) relative to a plane defined by the integrally bladed disk (500), driving the cutting tool (530) at a cutting speed, and moving the cutting tool (530) in a multiple dimensional movement to cut a flow path trench (516) in a surface of the integrally bladed disk (500). An integrally bladed disk (500) is also provided, the bladed sisk comprising a rotor disk having a rim (204; fig 2A), the periphery of which forms a flow surface (210; fig. 2A) and integrally formed blades (508) circumferentially spaced and extending radially outward from the rim (204; fig.2A) to define a flow path (224; fig. 2A) therebetween, wherein a base of each of the blades (508) has a fillet (222; fig. 2A). The integrally bladed disk (500) also comprises a plurality of flow path trenches (516) formed in the rim (204; fig. 2A) and disposed adjacent and between the blades (508) along the flow surface (210; fig. 2A), each flow path trench (516) having a smooth trench surface (317; fig. 3B).
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