A high-quality weld and surface finish are essential within the food and beverage industry, due to the hygienic requirements. If the weld integrity or surface finish isn’t adequate, the consequences could be both expensive and unsanitary. Even the smallest niche left by a weld can allow the product to get trapped and form bacteria which could potentially contaminate the food. In February 2017, an American major cheese company had to recall over 20 of their products due to a potential contamination of Listeria from one of their supplier’s manufacturing plants.
A laser weld is narrower with a higher width-to-depth ratio than traditional welding methods, and the heat affected area is more limited. Paired with rapid cooling, this means that the surrounding material is not annealed and is, therefore, stronger and more durable. High accuracy eliminates the risk of leaks and therefore improves cost efficiency, as the need for repairs is minimised.
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