Based on the superfluous triangle material wrinkle model,the no-wrinkle limit criterion of cylindrical cup multi-deep-drawing is calculated as the prediction an
An investigation is made to the friction chutch engagement control of automotive AMT systems based on a nonlinear dynamic model with double inputs. According to
The physical datum method that uses the laser beam as the physical datum is proposed.A high accuracy of the straight movement on the line above 0.01 μm/100 mm