Numerical Analysis and Calculation on the Heat-Bend Moulding Typical Value of the Thin Cut Closed Ring

The 3D solid model of the thin cut closed ring is established, and the meshing procedure of the thin cut closed ring is analyzed with the software ANSYS. The meshing forces and stresses and the x direction displacements and y direction displacements are calculated, and the radial displacements are calculated through matrix operations, too. Corrected model of the thin cut closed ring is established. The radial displacements along the thin cut closed ring are recalculated, then the 3D solid model of the thin cut closed ring is remodified. The heat-bend moulding typical values with error less than 0.03mm are obtained after two approximation calculations. It plays a guiding role in precise design and manufacture of the thin cut closed ring.