A bending tool is used while linear or rotating move for manufacturing bends. The process of bending usually employs CNC bending machines for low setup times and high flexibility. These are majorly used for bending single pieces as well as small batches with precision and efficiency in an economical manner.
A fast and gentle exchange of tools can be performed by simple plug-in system. The components of this machine are comprised of CNC-operated side stop, a work bench, and software for programming and operating. Their modular construction supports bending technology as after some time the work of the Bending Machine gets customized and later on extended without conversion. The bending stroke is initiated by the machine with the kind of bending defined by the tool.
The bending angles are adjusted by the tools through reference, stroke measurement or angle measurement. The standard bends does not have any extraordinary geometry. An appropriate bearing area is provided by maintaining huge gap between a bend and material end.
The bending machine also produces U-bending, offset bending, edgewise bending, torsion bending, angular measurement and spring back compensation, operating mode angular and stroke measurement and programming principle of operation.
Tight and narrow bends are essential to replace bending former by bending mandrel with a narrow geometry. Two bends are assembled at a one step distance between them to form offset bending tools. If the bending axis is kept parallel to the tight side of the work piece then it is accomplished by the use of Edge bending tools that includes electronic angular measurement to produce high bending accuracy.
Rotating the work piece on the longitudinal axis produces torsion bending on the longitudinal axis. An alternative to this are creating complex assembly groups with standard bending. The same precision and efficiency are used for series-produced parts to produce single pieces as well as small batches. Right from the beginning a bending accuracy of +/- 0.2° is achieved via spring back compensation.
Two flattened bending bolds are used for electronic angular measurement in bending prisms. The same precision of +/- 0.2° is maintained for producing single pieces as well as small batches whereas in Operating Mode angular measurement with measuring accuracy is about 0.1º that bold rotate while angle measurement. In this adjustment a lot of waste material gets reduced since incompatibilities are automatically adjusted.
The same accuracy level is maintained for other measurements by the bending machines.
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