| 摘要 |
The elongate product (3) is guided between rollers (20) mounted on the slide (19) and the guiding tube (23) is fixed to the end of the arm (22) which pivots about the vertical spindle (21). During the traversing operation which displaces the pillar (15) supporting the slide (19) in the slot (16) alternately in one direction and in the other, the arm (22) pivots about the pivot (21) if the angle of approach changes. The sensor (31) effected by the position of the pallet (32) gives an analogue signal to the control circuit such that changes of this signal cause changes in the displacement speed of the pillar (15) permitting an angle of approach corresponding to a desired optimum value to be re-established. <IMAGE>
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