There is a notable trend to producing and processing high-strength process materials with large diameters between 10mm and 40mm. The straightening of such materials requires straighteners which have more than 5 straightening rollers per plane and combine features such as high-speed closing and opening with the adjustability of all rollers. While a higher number of rollers is recommended because of the high material strength, the other features are indispensable for good handling of the process material and for ensuring an identical zero line for different diameters. Using the newly developed straightening modules of the AS PO series it is possible to build straighteners which meet all the previously mentioned requirements because the modules themselves are already designed and configured to this end. The straightening module AS 1-20 PO, which holds an adjustable straightening roller, will be presented by way of example. Roller adjustment is performed using a hydraulic cylinder whose piston moves the built-in roller component against a stop which can be adjusted to a defined position. The defined adjustment of the stop is provided by a mechanical position display and is performed manually with little force using a suitable tool. Alternatively it is possible for the stop to be adjusted by means of an electromotive drive using related hardware and software. Mounting several AS 1-20 PO straightening modules on a sub-plate creates a straightener with high-speed opening and closing capability and rollers which can be individually adjusted to defined positions (Figure 2). Configurations with a larger number of straightening rollers for retrofitting singular or in groups are conceivable. Variable configuration of the roller pitch is also possible, thus enabling the straightening process to be adapted to both the diameter and the strength of the process material. Through this expansion of the straightening range it is possible for example to process not only wire but also tube with great cost effectiveness in large as well as small batch sizes.

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