Vibration-assisted device of single-point diamond cutting tool

Abstract

The invention relates to auxiliary devices in surface machining, in particular to a vibration-assisted device of a single-point diamond cutting tool. The vibration-assisted device is provided with the single-point diamond tool, a left PZT piezoelectric ceramic set, a right piezoelectric ceramic set, an elliptical ring, a left cross beam, a right cross beam, a left flexible hinge, a right flexible hinge and a supporting arm. The single-point diamond tool is fixed to the outer side of the top end of the elliptical ring. The left PZT piezoelectric ceramic set and the right PZT piezoelectric ceramic set are connected with the inner side faces of the two ends of the elliptical ring through the left flexible hinge and the right flexible hinge respectively. The left cross beam and the right cross beam are connected to the two sides of the top end of the supporting arm respectively. The supporting arm penetrates a through hole in the elliptical ring and is externally connected with a machining device body. The right PZT piezoelectric ceramic set and the left PZT piezoelectric ceramic set are externally connected with a signal generating device. High-frequency and micro-amplitude vibration at the top end of the elliptical ring can be generated by controlling voltages and phases on the two sides of PZT piezoelectric ceramic, and therefore the cutting motion track of single-point diamond at the top end of the elliptical ring is controlled to change the cutting machining characteristic of the single-point diamond.

Description

technical field [0001] The invention relates to an auxiliary device in surface processing, in particular to a vibration auxiliary device for a single-point diamond cutting tool which uses vibration to assist in controlling single-point diamond cutting. Background technique [0002] Manufacturing is the pillar industry of the national economy, and surface processing is an important link in modern manufacturing, and it is one of the most efficient and widely used technologies for precision machining and ultra-precision machining. With the rapid rise of aviation, electronics, optics and communication industries, the society's demand for hard and brittle materials, difficult-to-process materials, new advanced materials and complex microstructure surfaces is increasing. In order to realize the precision machining and ultra-precision machining of these material parts, surface processing technology has been gradually developed and expanded. [0003] Due to the uneven distribution ...

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Problems solved by technology

[0003] Due to the uneven distribution of the cutting force between the tool and the workpiece in traditional cutting, it is easy to generate a large cutting force, and then accumulate a large amount of cutting heat, resulting in damage to the surface and sub-surface of the workpiece, reducing the surface quality and uneven distribution of cutting force The concentration of stress also threatens the safety of parts and tools

However, in traditional grinding wheel grinding, due to the indeterminate shape and distribution of abrasive grains, the ratio of grinding normal force to tangential force is large, the grinding specific energy is high, the grinding temperature is high, and the abrasive grains are easy to grind during the grinding process. Insufficient such as shedding

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