OPTIMIZATION OF FAST TOOL SERVO DIAMOND TURNING FOR ENHANCING GEOMETRICAL ACCURACY AND SURFACE QUALITY OF FREEFORM OPTICS

Optimization of fast tool servo diamond turning for enhancing geometrical accuracy and surface quality of freeform optics

Fast tool servo (FTS) in ultra-precision diamond turning is an efficient technique for high-precision fabrication of freeform optics.However, the currently adopted constant scheme for control point sampling takes no account of the shape variation of the desired surface, which might lose some micro features and result in low form accuracy and non-un

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Music as a Tool for Promoting Environmental Awareness. Experiences of Undergraduate Education Students on the Production of Video Tales in the COVID-19 Pandemic

This paper elaborates on the didactic implementation of musical theater with undergraduate education students.Students had to select, prepare, justify, design, elaborate, rehearse, stage, and record an educational tale that targets ecological and environmental values in its main plot or storyline.Due to the COVID-19 pandemic, the implementation of

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