Straighten
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As a rule, all metals that have a minimum elongation at fracture of 5% and a pronounced yield strength can be straightened. The required straightening force is determined on the basis of the section modulus, the upper insertion limit and the push-pull prop spacing. During straightening (bend straightening), the workpiece to be straightened is first measured or tested. The workpiece with the highest point (for vertical straightening) is positioned under the straightening punch and placed on push-pull props. During straightening, the workpiece is bent against the existing curvature until plastic deformation of the material occurs to the extent necessary to achieve straightness.
Straightening of round material to tip receptacle
The round material is picked up on two rockers on the left and right with tip pick-up. During straightening, the straightening force is introduced into the straightening bed via 2 travelling magnetic straightening props. The straightening car can be moved to the left and to the right. There is no relative movement between the probe and the workpiece when the leveling trolley is moved.
Straightening of round material on roller fixture
The round material is picked up on two rockers on the left and right with roller support. During straightening, the straightening force is introduced into the straightening bed via 2 push-pull props. The leveling car can be moved to the left and right up to the leveling props.
Straightening of flat material on roller blocks
The round material is placed on two roller blocks. The flat material can be moved on the spring-loaded rockers. Longer parts can be supported with additional roller blocks. Alternatively, for workpieces with smaller dimensions, support with roller blocks outside the straightening machine table is an option.
Plate material straightening
Gantry straightening presses are used for straightening plate material. Here, the workpiece is not moved under the straightening punch, but the straightening portal is positioned above the material to be straightened. For positioning the push-pull props, the plate material to be straightened can be lifted hydraulically. The straightness test is performed with a ruler (light gap). The gantry can be moved outside the straightening table for loading and unloading.
Torsion straightening (cabinets)
Interlocked flat materials can be straightened with an interlocking device. The flat material is placed in a swiveling setting fork and in a fixed counter bearing. By swiveling the setting fork against the material rotation, the material is straightened. The entanglement can be determined by means of a measuring scale or feeler gauges in relation to the ground leveling bed.
Horizontal straightening
Horizontal straightening is used for straightening large and heavy profile material. The main advantage is that the material to be straightened can be fed into the straightener from above via roller tables or with a crane. The straightness can be checked using a special measuring device or visually.
