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MEASUREMENT AND SIMULATION OF TEMPERATURE AND STRAIN FIELDS IN ORTHOGONAL METAL CUTTING

机译:正交金属切割温度和应变场的测量与仿真

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A general purpose commercial FE package has been successfully used to simulate orthogonal metal cutting. Experimental techniques have been developed to measure temperatures in orthogonal metal cutting with a spatial resolution of 27 X 27 mu m on time scales of 200ns. Deformation fields are measured with a spatial resolution of 50 X 50 mu m. The technique is independent of choice of material and is valid for a broad range of cutting parameters. FE analysis predicts, in general, higher temperatures and strain values. These high values occur over very small length scales, of the order of tens of mu m, currently experiments are not able to capture these. By closely tying the simulation scheme with high resolution measurements of temperatures and strains, robust models of machining can be developed.
机译:通用商业FE包已成功地模拟正交金属切割。已经开发了实验技术来测量正交金属切割的温度,其空间分辨率为27 x 27 mu m的时间尺度为200ns。测量变形场,空间分辨率为50×50μm。该技术与材料的选择无关,可用于广泛的切割参数。 FE分析预测,一般来说,较高的温度和应变值。这些高值发生在非常小的长度尺度上,几十亩m级,目前实验无法捕获这些。通过密切地与高分辨率测量的温度和菌株进行仿真方案,可以开发鲁棒的加工模型。

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