| 摘要 |
PROBLEM TO BE SOLVED: To provide a continuous drawing system capable of obtaining a bar material high in straightness at the outlet side of a roll. SOLUTION: This system is provided with a straightening machine 3 having laterally straightening rollers 11 and longitudinally straightening rollers 12 for straightening a bar material at least from two sides of the lateral and longitudinal directions of a cross section between a bar material feed part 2 for feeding a coil-like bar material 10 and a drawing machine 6 provided with a die 15 for drawing the fed bar material. The straightening machine is provided with the rollers 11 and 12 of respectively 8-24 pieces, and the laterally straightening rollers are zigzag arranged in the right-to-left direction and the longitudinally straightening rollers are zigzag arranged in the vertical direction. The straightness of the bar material is improved with the straightening rollers of 8-24. COPYRIGHT: (C)2007,JPO&INPIT
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