An analysis of the effect of tooth path and optimum clearance Angle on tool life in the up milling and down milling processes is presented.

本文分析了铣削轨迹及合理后角对顺铣与逆铣中刀齿耐用度的影响。

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Down milling (climb milling). As can be seen in Fig. 12.3b, in down milling the cutter rotation coincides with the direction of feed at the contact point between the tool and the workpiece.

顺铣(同向铣削)：如同在图12.3 b中看到的那样，在顺铣时刀具与工件之间接触点上铣刀旋转与进给方向一致。

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Slim hole sidetracking and window milling technology is one of the effective ways to cut down the comprehensive drilling cost and improve oil production rate.

应用小井眼开窗侧钻技术是降低钻井综合成本，提高原油产量的重要途径之一。

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The girl behind the register warned me to get my car off the street because the police were about to swoop down on the gang of thugs milling around in front of the taco place.

CNN: Doomed Love At The Taco Stand