To provide a highly reliable multi-axial force sensor with a simple structure.
The multiaxial force sensor detects at least the forces of three components activating in the X-axis, Y-axis, and Z-axis coordinate directions perpendicular to each other and also detects the moment round the X-axis and Y-axis. The sensor is composed of: an outer ring part 2 having the ring internal periphery surface 20 centering on the coordinate origin O, on the reference plane including the X-axis and Y-axis; an internal ring part 3 having the ring outer periphery surface 30 facing to the inner periphery surface 20 of the outer part 2; and a plurality of load sensor elements 4 connecting the internal periphery surface 20 and the outer periphery surface 30. The inner periphery surface 20 of the outer ring part 2 is provided with a tapered internal surface to the Z-axis, the outer periphery surface 30 of the internal ring part 3 facing the tapered internal surface is provided with the tapered outer surface to the Z-axis, and the load sensor elements 4 are interposed between the tapered internal surface and the tapered outer surface.
COPYRIGHT: (C)2006,JPO&NCIPI
Kazuhisa Higashi
Tadao Ozawa
Mitsuru Asai
Takahiko Homma
Kazumasa Takatori
Sugihara Hisayoshi
Naohisa Niwa
TOYOTA JIDOSHA KABUSHIKI KAISHA
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Tamiwa Iwakura
Takahashi Shoki