TPT September 2007

D esign, P roduction & M anagement S oftware

a number of effective analytical functions to predict the profile quality or material properties, such as the changing wall thickness distribution and work hardening effects. fi A feature of Copra ® is the possibility to design and model any type of rolling cage – often referred to as straight edge forming method. Using this feature, respective rolls are not only modelled but also transferred to Copra’s integrated finite element software package Copra ® FEA RF and simulated respectively

In addition to information on the quality of forming, the software generates values relating in particular to material strain and inner stress or quite simply to the forming forces or moment. It provides the user with important data about possible problem areas in metal forming. Visualization of defects means that the empirical trials required in the past and adjustments to the rollforming line can be dispensed. Instead, a new tool set is optimized ready in the design phase. The properties of rollformed profiles or longitudinally welded tubes can be predicted reliably by this finite element analysis software. This is of particular importance for the design of new tool sets in the use of high strength material and as regards their suitability as semi- finished product for subsequent forming processes. Rollformed structures are being used at an increasing degree in the automotive industry with regard to sustainable manufacturing and safety issues. They can be found in a huge variety (ie as sealing profiles, motor cradles, door

profiles, seat rails, bumpers or structural or side impact beams), post-processed by bending, stamping or hydroforming operations. Material modeling is particularly vital in order to predict damage and failure behavior of a car body. Automakers have started to use this Copra ® FEA RF software program to predict the properties of materials and profiles they incorporate into the design of their vehicles. The possibility to predict the properties of rollformed products is turning an art into science. Profiles of utmost complexity can now be realized. The increased use of new materials, design- and simulation software technologies and related engineering possibilities open the industry into a growing market. This article was supplied by Mr Albert Sedlmaier, president of data M Software GmbH, Germany .

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data M Software – Germany Fax : +49 8024 640 300 Email : datam@datam.de Website : www.roll-design.com

- Complete range of cutting lines - Deburring machines - High productivity cutting lines

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1977- 2007

EUROMATIC 370 CM CNB Fully automatic sawing machine, hydropneumatic working. Servo-assisted positioning feeding for cutting length setting, high productivity. Easy programming using the built-in touch screen panel. Programmable direction of unloading (front or rear).

EUROMATIC 370 CNC Fully automatic cutting line, 4 Servo-assisted axis. Easy to program. Selectable cutting programs from existing templates.

MATIC 315 CM 2B Fully automatic sawing machine, hydropneumatic working. Easy programming using the built-in touch screen. Feeding system using pressing rollers including a measuring roller with encoder for trim cut operations.

BUNDLING LINE Fully automatic bundling line, creation of square or exagonal bundle. High velocity.

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S eptember /O ctober 2007