... 08 04 2022 smart manufacturing machine learning sheet metal forming blanking data mining wear detection Advanced sheet metal forming processes are a widely used manufacturing technique in the automotive and aerospace industry. As the standards of today’s industry increase...

...William J. Emblom; Klaus J. Weinmann This paper describes the development and implementation of closed-loop control for oval stamp forming tooling using MATLAB ® ’s SIMULINK ® and the d SPACE ® CONTROLDESK ® . A traditional PID controller was used for the blank holder pressure and an advanced...

... at both ends, i.e., by the blank holder profile radius and at the die entry point (where the sheet enters into the die cavity). The waveform for present analysis is assumed such that it has zero displacement at both ends (since it is constrained) and the maximum amplitude of the wave at some point...

... complex rolling techniques involved in the steel-making process. Such uncertainties, when combined with variations in the process parameters such as friction and blank holder force, pose a significant challenge in maintaining the robustness of HSS sheet metal stamping. The paper presents a systematic...

... the flexibility of the servo press kinematics, blanks were heated in the tool set prior to forming. Temperature-time measurements were made at various blank holder interface pressures in order to determine the required dwell time to heat the blank to the forming temperature. Several lubricants for elevated...

...Wenfeng Zhang; Rajiv Shivpuri The blank holder force (BHF), which regulates the amount of metal drawn into the die cavity, has been used effectively to draw defect-free sheet parts. It has been shown that a properly designed variable BHF profile can provide greater drawability as compared...

... for the cup manufacture. The aim is to cut down from four to two forming stages by defining an optimal blank (size and shape). The advantage is to reduce the cost of the tool manufacturing and to minimize the needed material (by suppressing the part flange). The chosen approach consists in defining...

...Matt Bravar; Neil Krishnan; Brad Kinsey Tailor welded blanks (TWBs) offer several notable benefits including decreased part weight, reduced manufacturing costs, and improved dimensional consistency. However the reduced formability and other characteristics of the forming process associated...

...Isamu Aoki; Masahiro Sasada Burr-free blanking requirements are strong; however, the thinner the product, the more difficult the burr-free blanking will be, due mainly to the control of the punch penetration depth. In this study, the principle of accompanying burr-free blanking problems...