| 摘要 |
In a wire rolling apparatus, a pair of first wall portions of a roll housing support the rotating shaft of a backup roll, and a second wall portion connects the pair of first wall portions to each other. Even if a large force is applied to the rotating shaft of the backup roll not only perpendicular to the wire feed direction but also opposite to it, the pair of first wall portions do not distort easily. Accordingly, the degree of abutment of the backup roll against the outer circumferential surface of the work roll is not easily altered, and a stable desired pressure can be obtained, so that a wire can be rolled with high precision.
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