Simulation of thread rolling with FORGE®

Thread rolling process is used to produce the screw thread. With this process in its portfolio, FORGE® is the best simulation tool for the definition of the entire production of high technology screws, from forging up to thread rolling. 

FORGE® features a precise contact algorithm and a temporal integration scheme for updating the coordinates naturally adapted to rotation which render the simulation of cross wedge rolling highly accurate. Resorting to tricks such as forcing component rotation or blocking its displacement is unnecessary. Simulation, in this case, becomes a real predictive tool which can be used to fine-tune the process. 

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This video shows the simulation of thread rolling of a screw, with the distribution of equivalent strain.

 

Predictive simulation

FORGE® allows an accurate prediction of:

  • The geometry of the component at the end of the thread rolling stage,
  • Folds, under fillings and any defects,
  • Loads on the chaser dies or rollers.

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Competitive features

  • Real kinematic applied on the chaser dies or rollers,
  • Volume conservation of the screw during the simulation thanks to an appropriate rotational update scheme,
  • Accurate prediction of under fillings of screw thread