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首页> 外文会议>Leeds-Lyon Symposium on Tribology; 19990914-17; Leeds(GB) >High Speed Photographic Study of the Tool-Chip Interface in Machining
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High Speed Photographic Study of the Tool-Chip Interface in Machining

机译：加工中刀具-芯片接口的高速摄影研究

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摘要

A high-speed photographic study has been made of the chip-tool interface and its evolution when cutting soft metals with optically transparent sapphire tools. The interface has been observed and imaged at high spatial and temporal resolution by using an optical system composed of an optical microscope and a high-speed CCD camera. This has enabled the interface to be observed over a range of cutting speeds between 1 mm/sec and 1 m/sec. The extent of the sliding along the interface and metal transfer to the tool surface are found to have a strong dependence on cutting speed. The characteristics of the interface appear to be unchanged when these metals are machined with high-speed steel or aluminum tools. Lastly, an experimental method to estimate the temperature field over the entire chip-tool interface is described. Preliminary results pertaining to this temperature field are presented.
机译：高速摄影研究了切屑工具界面及其在使用光学透明的蓝宝石工具切割软金属时的发展。通过使用由光学显微镜和高速CCD相机组成的光学系统，可以在高空间和时间分辨率下观察和成像界面。这使得可以在1 mm / sec到1 m / sec的切削速度范围内观察界面。沿界面的滑动程度和金属向刀具表面的转移程度与切削速度密切相关。当这些金属用高速钢或铝工具加工时，界面的特性似乎没有变化。最后，介绍了一种估算整个芯片工具界面温度场的实验方法。给出了有关该温度场的初步结果。

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