Investigations of tangential ultrasonic vibration turning of Ti6Al4V using finite element method
Source abstract
Abstract
Ultrasonic vibration (UV) machining is a process in which micro-scale high frequency vibration is added on the cutting tool to improve machining performance. Its principal is to make the interaction between tool and workpiece a periodically separation, and the direction of the friction between tool and chip is changed in each cycle of the ultrasonic vibration. In this paper, the mechanism of ultrasonic vibration cutting, the effects of ultrasonic vibration on the forces, temperature, stress and chip shape during orthogonal cutting of Ti6Al4V material are studied with finite element method(FEM). The conventional and ultrasonic vibration cutting are simulated using Arbitrary Lagrange-Eulerian(ALE) approach in ABAQUS/Explicit. Taken forces as index, the effects of cutting speed (40 m/min, 50 m/min, 60 m/min ), feed rate (0.08 mm/r, 0.12 mm/r, 0.16 mm/r ) and back engagements (0.1 mm, 0.3 mm, 0.5 mm ) on metal cutting are investigated separately by single factor test. The simulations are validated by the experimental findings and analytical data. The results show that the cutting forces, stress and temperature of ultrasonic vibration cutting are much smaller than conventional cutting.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced machining processes and optimization · Advanced Machining and Optimization Techniques · Advanced Surface Polishing Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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