| 摘要 |
A vertically shaking working device (2) has a shake body (23) having an inner space that is formed by a cover member (21) and a vehicle wheel (22), which is a body to be worked, and receives working materials (25) in it and also has shake means for vertically shaking the shake body (23). The working materials (25) are made to collide with the vehicle wheel (22) by the shake, and thereby the vehicle wheel (22) is worked. With the working device (2), a casting can be shaken together with hardening materials, and excellent mechanical properties can be uniformly added to a predetermined portion of the casting by the shake without changing the position of the casting.
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