Lasers Based Manufacturing: 5th International and 26th All by Shrikrishna N. Joshi, Uday Shanker Dixit

By Shrikrishna N. Joshi, Uday Shanker Dixit

This publication offers chosen learn papers of the AIMTDR 2014 convention on software of laser expertise for numerous production methods similar to slicing, forming, welding, sintering, cladding and micro-machining. state of the art of those applied sciences when it comes to numerical modeling, experimental reviews and commercial case reviews are awarded. This e-book will improve the information of budding technocrats, graduate scholars of mechanical and production engineering, and researchers operating during this area.

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Extra resources for Lasers Based Manufacturing: 5th International and 26th All India Manufacturing Technology, Design and Research Conference, AIMTDR 2014

Example text

It is observed that the bend angle is negative in the beginning and becomes the highest in the magnitude when the top surface temperature is the highest. During cooling phase, the sheet starts bending towards the laser beam source. The steady state is reached when the temperatures of the top and bottom surface become equal. Moving heat source is applied at 25 mm × 20 mm × 2 mm size work piece at the power 250 W and 8 mm laser diameter, it is observed that the bend angle is negative. For stationary heat source, the bend angle is positive.

Gautam et al. In laser forming, the final shape of the part is obtained by the exclusive use of the laser technology, eliminating other operations of the traditional forming. On the other hand laser assisted forming combines the features of both the laser forming and the traditional forming operations. 2 Laser Forming Traditionally, machining and metal forming are two prominent methods of making a finished product from raw material. Machining is a process in which material is removed in the form of chips by means of a tool in machines like lathe, shaper etc.

The final shape of the specimens is shown in Fig. 24 for both uncoated and cement coated case. The scan lines can be clearly seen. The front view of the dome is shown in Fig. 25 where the red lines show the dome height. Fig. 22 Laser irradiation strategy proposed by Yang et al. (2010) is considered in the present experimental work for forming dome shaped surface Laser Forming of Mild Steel Sheets … 35 Fig. 23 Height of dome at the center for different values of laser power for uncoated and cement coated specimens.

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