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Product category: Cold roll forming systems and software
News Release from: Data M Software | Subject: Tube rolling process/simulation software
Edited by the Manufacturingtalk Editorial Team on 06 February 2006

Tube rolling process/simulation software
updated

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Latest versions of tube roll design- and process simulation software support the automatic design and analysis of four-roll fin passes, five-roll welding passes and longitudinally welded tubes.

At the Tube Dusseldorf 2006 exhibition in Germany, the data M Software + Engineering group will be presenting a new version of its roll design- and process simulation software COPRA RF and COPRA FEA RF The new version offers a number of new or enhanced features for the tube making industry complementing COPRA's existing software tool box for process modeling and roll design: COPRA RF now also supports the automatic design and analysis of four-roll fin passes and five-roll welding passes and avoids user's manual interaction in these specific cases

Respective fin widths can not only be defined by entering either strip width, angles or fin dimensions.

The fin width can now also be entered by definition of the welding 'V-angle'.

COPRA RF has been calculating (even in previous versions) an optimised downhill forming strategy minimising occurring longitudinally strain values - a main reason for strip edge buckling.

The current version also allows the storage of user-defined downhill strategies in the machine setup parameters.

Needless to say that these designs can be verified in COPRA's subsequent analysis and simulation tools.

A very interesting new feature is the possibility to design and model various types of rolling cages - often referred to as 'the straight edge' forming method.

A tube mill may easily consist of multiple rolling cages - subsequently arranged in the tube welding line.

In the production of extremely thin walled welded tubes the coil is often drawn to shape rather than roll formed.

COPRA RF offers in its newest version the possibility to integrate also drawing dies within a roll forming tool set.

Respective drawing dies are handled in the design process as well as in COPRA's finite element simulation module.

This allows the analysis of the complete forming process and to predict and optimise the final tube's properties.

The COPRA RF (roll forming) software program supports all steps in the development of longitudinally welded tubes: from the design of the final cross section to be produced, through definition of the various shaping steps to generation of respective technical documentation.

A finite element simulation software module allows for an analysis of the forming- and calibration process and thus a prediction of the tube's properties for subsequent process like bending or hydro forming.

The user of COPRA RF works in the context of a complete engineering workflow using an integrated document- and project manager based on an industrial SQL standard.

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