Mesoscale turning deformation prediction method

Abstract

The invention relates to the field of advanced manufacturing and particularly relates to a mesoscale turning deformation prediction method. The mesoscale turning deformation prediction method comprises a dynamometer, a pressure plate, a sliding rail, a sliding table, a pressure plate, a lead screw, a vertical plate, bolts and a turning tool, wherein the sliding rail is arranged on the dynamometer through the pressure plate; the sliding table is arranged on the sliding rail; the pressure plate is matched with the sliding table through the bolts; the turning tool is arranged between the sliding table and the pressure plate; the vertical plate is arranged at the left side of the sliding table; the lead screw is connected with the sliding table through the vertical plate; and a scale mark is arranged on the sliding rail. Positioning cutting of the tool is completed by using an adjusting device, the adjusting frequency of a lathe handle is reduced and the repetitive position error is reduced, and the operation efficiency is improved. The influences of the blade edge radius and the blunt round radius of the turning tool on cutting force in mesoscale turning are considered, a mesoscale turning cutting force prediction model is built and the mesoscale turning cutting force can be conveniently and accurately calculated.

Description

technical field [0001] The invention relates to the field of advanced manufacturing, in particular to a method for predicting mesoscale turning deformation. Background technique [0002] In recent years, with the development of product miniaturization, mesoscale parts have become more and more widely used in high-tech fields such as biomedicine, aerospace, micro-robots, and high-precision instruments. However, mesoscale parts have poor stiffness and many error sources, making it difficult to guarantee the machining accuracy of parts. Micro-cutting technology can process small three-dimensional complex structures with high processing efficiency, and has great potential in the field of mesoscale parts processing. At present, many scholars have studied the mechanism of micro-cutting. Micro-turning is a common micro-cutting method with high research value. Therefore, it is very meaningful to establish a deformation prediction model for turning mesoscopic parts. The internati...

AI Technical Summary

Problems solved by technology

However, the structure of this system is complex, the prediction accuracy of turning deformation is not high, and the stability of precision control is not strong

Moreover, the system is only for PCBN tools, which has certain limitations.

In addition, the model is only suitable for macroscopic turning, not suitable for the prediction of mesoscopic turning deformation

At present, most of the research on mesoscale turning focuses on the cutting mechanism, while there are few studies on the mesoscopic turning process. Most of the actual processing relies on experience, and there is a lack of theoretical prediction models as a guide, which brings inconvenience to mesoscopic turning.

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