Title :
Simulation technology for NC tube bending process
Author :
Gao, Z.D. ; Tang, C.T. ; Chen, A.M.
Author_Institution :
Sch. of Mech. Eng., Beijing Inst. of Technol., Beijing, China
Abstract :
The collisions among a tube, dies and components of a bender often happen in tube bending process and forming quality of the tube will be damaged badly. Simulation technology for tube bending process is proposed to solve the problem. Assembly model and kinematics model for CNC tube bender are set up by analyzing the motion characteristics in tube bending process. Algorithm for collision detection with compound containing boxes of OBB and AABBs is proposed, and expandable OBB tree of tube segments is constructed to improve efficient of collision detection. The simulation system for tube bending process is developed to detect collision efficiently. Framework and function modules of the simulation system are introduced in detail. The simulation system is feasible by comparing the simulation result with the practical tube bending. The simulation technology for NC tube bending process makes it possible for tubing manufacture to change from traditional mode to digital and predictable mode.
Keywords :
assembling; bending; computerised numerical control; digital simulation; pipes; production engineering computing; trees (mathematics); AABB; CNC tube bending process; OBB tree; assembly model; collision detection; kinematics model; motion characteristic analysis; simulation technology; Aerospace industry; Assembly; Computational modeling; Computer numerical control; Kinematics; Manufacturing processes; Mechanical engineering; Motion analysis; Predictive models; Virtual manufacturing; Tube bending process; collision detection; kinematics modeling; simulation;
Conference_Titel :
Industrial Engineering and Engineering Management, 2009. IEEM 2009. IEEE International Conference on
Conference_Location :
Hong Kong
Print_ISBN :
978-1-4244-4869-2
Electronic_ISBN :
978-1-4244-4870-8
DOI :
10.1109/IEEM.2009.5373169
