Mr. Marcus Paech in 2008 describes

Mr. Marcus Paech in 2008 describes the power requirements for the process material deformation process is
based on the working principle and the main characteristics of the straightening process. A simulation
program is available to support the assessment of the power requirements. Simulation in turn is based on a
theoretical model of alternate elastic/plastic deformation and the relationship between bending moment and
curvature during bending operations. This article describes advanced semi-automatic straightening
technology. Advanced straightening technology uses process simulation (Figure 7) to determine optimal
spacing and maximum straightening range. Figure 8 shows the geometric factor like roll diameter, wire
diameter, spacing between rolls etc. affecting on the position of straightening rolls. Optimization of spacing
is based on the level of finished product quality that the customer wants as well as the material
characteristics. Advanced straightening technology features a modular design, minimal component count, a
user-friendly Human Machine Interface and the availability of process and setup data prior to the start of
the process. The flexibility of the design and the ability to manipulate the number and spacing of the rolls,
which are the main variables, produce a system which can be used to make customer-specific products in
small lot sizes [2].
He in 2001, alsodescribes identification methods and procedures for applying the straightening process
to receive a specified wire quality. The optimal design and integration of a straightening process requires in
advance identification of the straightened material and its production. Objective and established
possibilities of identification are available and should therefore be used as standard practice in the wire
industry. Guidelines for the identification of a straightening process are structured on the basis of an
interdisciplinary approach covering those processes which take place both upstream and downstream from
the straightening process [3]