Analysis of the remote laser cutting process induced damage in carbon fibre reinforced polymers with cutting process simulations

Experimental Study of the Effect of Laser-Cutting Process Parameters on Heat Distribution and Cutting Edge Quality of Steel Sheets

This study aimed to evaluate Laser-cutting process of Mild Steel St37 sheets with two different thicknesses. In order to evaluate the quality of cutting edge and the depth of the area affected by the heat, several tests were conducted to determine the effect of parameters such as Laser power, Laser beam movement speed and pressure of axillary gas on the quality of cutting edge and the depth of ...

Cutting Through the Surface: The Use of Laser Cutting Technology with Traditional Textile Process

Numerical Simulation of Oxidation Effects in the Laser Cutting Process

A numerical model is developed for the process of oxygenassisted laser cutting of mild steel. Coupled oxygen concentration and energy balance equations are solved by a controlvolume-based computational scheme, while the velocity field is obtained by analytical boundary theory. The enthalpy method is adopted to trace the free boundary of the phase change and thus determine the molten-layer thick...

Striation Formation and Melt Removal in the Laser Cutting Process

Introduction The formatIOn of periodIC patterns (stnatlOn) has drawn much attentIon In contInUOUS wave laser cutt time (s) tp time penod per oxidation cycle (s) U gas velOCIty profile (m/s) Uo streamwlse gas velOCIty (m/s) V Interfacial velOCIty (m/s) u lIqUId velOCIty In x dIrectIOn (m/s) v hqUId velOCIty In y dIrectIOn or cuttIng speed (m1s) v. fnctIon velOCIty (m/s) W actIvatIOn energy (J) W...

Chaos in a Cutting Process

The dynamics of the cutting process are investigated. Using the increase of cutting depth as a control parameter, two diierent cutting regimes are observed. In the rst regime, which is observed at small cutting depths, complex, high-dimensional dynamics occur. In the second cutting regime, observed for deeper cuts, low dimensional dynamics are typical. The second cutting regime is usually ident...