| 摘要 |
PROBLEM TO BE SOLVED: To reduce the cogging force without shortening the effective stroke of a linear motor.SOLUTION: A linear motor 1 having a field 3 as a mover and an armature 2 as a stator includes a field yoke 10, a plurality of main pole magnets 11 arranged so that the polarities are different alternately in the direction of travel of the field 3 and two interpole magnets 12 located at both ends of the plurality of main pole magnets 11 in the field yoke 10, and protrusions 12a formed at the ends facing the armatures 2 of two interpole magnets 12. |
