LINEAR MOTION/ROTATION DRIVE DEVICE
Provided is a linear motion/rotation drive device with which inertia caused by a magnetic scale attached to an output shaft when linearly moving or rotating the output shaft can be suppressed. The linear motion/rotation drive device (1) has an output shaft (2), a linear motor part (3), a rotary moto...
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| creator | WATANABE SOICHI ARUGA FUSAYOSHI KUROSAWA HIRONORI MORIYAMA KATSUYA |
| description | Provided is a linear motion/rotation drive device with which inertia caused by a magnetic scale attached to an output shaft when linearly moving or rotating the output shaft can be suppressed. The linear motion/rotation drive device (1) has an output shaft (2), a linear motor part (3), a rotary motor part (4), a ball spline bearing (5), a magnetic scale (8), a first magnetic detection element (41)for detecting linear motion, and a second magnetic detection element (42) for detecting rotation. The magnetic scale (8) is provided with a grid-shaped magnetization pattern (37) wherein S-poles andN-poles are arranged alternately in an axial (L) direction on a circumferential surface around an axis (L), and the S-poles and N-poles are magnetized alternately around the axis (L). The first magnetic detection element (41) and the second magnetic detection element (42) are disposed facing the magnetization pattern (37). Since a linear motion position and rotation position can be detected by means of the first magnetic d |
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The linear motion/rotation drive device (1) has an output shaft (2), a linear motor part (3), a rotary motor part (4), a ball spline bearing (5), a magnetic scale (8), a first magnetic detection element (41)for detecting linear motion, and a second magnetic detection element (42) for detecting rotation. The magnetic scale (8) is provided with a grid-shaped magnetization pattern (37) wherein S-poles andN-poles are arranged alternately in an axial (L) direction on a circumferential surface around an axis (L), and the S-poles and N-poles are magnetized alternately around the axis (L). The first magnetic detection element (41) and the second magnetic detection element (42) are disposed facing the magnetization pattern (37). 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The linear motion/rotation drive device (1) has an output shaft (2), a linear motor part (3), a rotary motor part (4), a ball spline bearing (5), a magnetic scale (8), a first magnetic detection element (41)for detecting linear motion, and a second magnetic detection element (42) for detecting rotation. The magnetic scale (8) is provided with a grid-shaped magnetization pattern (37) wherein S-poles andN-poles are arranged alternately in an axial (L) direction on a circumferential surface around an axis (L), and the S-poles and N-poles are magnetized alternately around the axis (L). The first magnetic detection element (41) and the second magnetic detection element (42) are disposed facing the magnetization pattern (37). Since a linear motion position and rotation position can be detected by means of the first magnetic d</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS TARIFF METERING APPARATUS TESTING |
| title | LINEAR MOTION/ROTATION DRIVE DEVICE |
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