Fabrication of Surface Texture at Sub-μm Scale by Using Vibration-assisted Cutting

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Other Title
  • 振動援用切削によるサブミクロンスケールの表面テクスチャ加工
  • Fabrication of Surface Texture at Sub-μm Scale by Using Vibration-assisted Cutting

Description

The vibration-assisted cutting was performed to fabricate surface textures composed of numerous periodical concavo-convex patterns at Sub-μm scale anticipating future usage as the micro/nanotexture mold for injection molding. In the experiment, a modeling wax workpice was machined using a sharply pointed triangular diamond indenter tip vibrated by a piezo actuator in the direction of the cutting depth with μm order amplitude. As a result, a textured surface composed of numerous inverted triangular pyramidal impressions surrounded by pileups are successfully fabricated, and their average dimensions are about 60 nm in height and 580 nm and 900 nm in pitches in cutting and feed directions, respectively.

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