Study conducted by way of TWI employees for The Welding Institute’s commercial participants. This identify comprises diffractive optical parts for manipulation of CO2 laser radiation - a feasibility learn; A overview of joint monitoring structures for laser welding; keep an eye on of porosity in CO2 laser welds in C/Mn metal; the advance of a solidification cracking try out for carbon-manganese metal laser welds.
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Extra resources for Laser welding: Core research from TWI
Sample text
2 the stainless steel components which make up the gun, prior to their assembly. In this example, approximately 130 laser spot welds are made by an Nd:YAG laser. 1 A colour television gun fabimted by approximately 130 spot welds made with an Nd:YAG laser (courtesy of Philips). 2 The component parts of the colour television gun shown in Fig. 1. Industrial applications The gun assembly is too complex to fabricate by crimping or riveting and to employ these techniques the overall gun size would have to be substantially increased.
New World purchased their own laser welding system, which deviates from the job shop's in that the plate assembly is moved beneath a stationary laser gun. ) With this system. New World produces 450 welded assemblies per day. each being subsequently pressure tested. The failure rate is extremely low and those that fail can usually be reclaimed. When the laser welding operation was brought in-house. the cost was reduced by 47%. 9 years. Passenger car body parts The neat. strong. low distortion laser weld has made a significant contribution in the quest for lighter.
Can the part be manipulated about the laser beam or vice versa (Chapter 10) whilst achieving the required laser beam/joint line alignment tolerances (Chapter 6 and 7)? Can the required joint fit-up tolerances be achieved (Chapter 6 and 7)? If not. would the addition of filler wire be practical (Chapter 8y? Are the potential production numbers. or weld lengths per product run. high enough to justify equipment and operation costs'! If not. is the product suitable for sending to a laser job shop. or are there other products which could benefit from laser welding and could time share the same equipment?