3 Fundamentals of press design

382 Sheet metal forming and blanking
gear box cardan shaft forming roll
telescopic shaft
frame
Fig. 4.8.21 Width adjustable telescopic roll set
width adjustment
It is also possible to use a separate set of stands for each different section.
This permits not only fast resetting but also a high degree of process
reliability and repeat accuracy (Fig. 4.8.24). For stand changeover there are
two different changeover techniques possible:
– Exchange of individual pallets using a crane: Pallet changeover is
advisable where short set-up times are required. The roll forming
gear box cardan shaft forming roll shaft
frame
Fig. 4.8.22 Roll stand for exchange of section rolls
Metal Forming Handbook / Schuler (c) Springer-Verlag Berlin Heidelberg 1998
width adjustment