Structural Parameters Optimization of the Steel Bar Straightening Machine Based on the PSO Algorithm

Figure 9

The fluctuation ration of the straightening force of each roller. (a) The fluctuation ration of the second roller. (b) The fluctuation ration of the fourth roller. (c) The fluctuation ration of the tenth roller. (d) The fluctuation ration of the twelfth roller.

(a)

(b)

(c)

(d)