Abstract
Researches on the effect of the micro-texture on the cutting performance and the life of cutters are mostly aimed at turning cutters, but there are few researches on the ball-end milling cutter. On the basis geometry of the micro-texture, the distribution and the relationship among the geometric parameters of micro-pits are studied. A mechanical characteristic model of machining titanium alloy with the micro-texture ball-end milling cutter is established. Optimal parameters of the micro-texture are determined by the simulation. By the test of machining the titanium alloy with the micro-texture ball-end milling cutter, anti-friction properties, the influence laws of the micro-texture diameter on forces, and area occupancy on the tool wear are studied. This article provides a theoretical reference for determining the location of the micro-texture on ball-end milling cutter and selecting texture parameters reasonably. The anti-friction mechanism of the micro-texture is revealed by the theory, which provides a theoretical basis for the efficient processing of titanium alloy.
Highlights
Titanium alloy has become an ideal material for modern aviation, aerospace, and automobile industry due to its excellent material properties
In order to improve the cutting performance of titanium alloy, a large number of scholars have carried out related researches
The simulation and experimental results showed that the micro-texture almost did not affect the stress distribution of the cutter tip, and compared with the traditional cutters, tool wear was
Summary
Titanium alloy has become an ideal material for modern aviation, aerospace, and automobile industry due to its excellent material properties. The results show that the non-smooth surface with micro-texture has the effect of anti-friction and the anti-wear.[1,2] it is a great significance to study the influence of microtexture cutters on the cutting performance of machining titanium alloy. The results showed that compared with the traditional cutters, the new ones with solid lubricant could effectively reduce forces and temperature, as well as the friction in the contact area between the cutter and the chip and the tool wear of the rake face.[7] JS Zhang and HD Yang of Hefei Polytechnic University processed the micro-pits on the surface of the cutter YT15 and used it to turn the No 45 steel. The theoretical calculation and experimental results show that with the increase in the diameter of
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