Carr’s Welding Technologies partners with Lontra to reduce energy consumption

Lontra is an engineering technology company that takes the ethos of sustainability throughout its whole business. Lontra’s name is upheld by the core innovation and clever geometry of its technology: The Blade Compressor®.

Lontra’s revolutionary Blade Compressor® is already starting to shake up the status quo with recent independent testing against a market-leading competitor demonstrating electricity savings of up to 34%.  These machines are used in critical industries worldwide for applications from transporting foodstuffs, pharmaceuticals and cement to water treatment. The potential savings are enormous with 10% of Europe’s industrial energy going to power machines like this.

Lontra has been working in partnership with Carrs Welding Technologies for a number of years. The disc, one of the key components of Lontra’s revolutionary Blade Compressor, is built up from two separate lightweight steel parts. These are joined together to make a single item that is hollow in the middle. Conventional welding would require significant heat input to fully penetrate the 2mm steel section to be joined. This in turn can lead to distortion, movement and further machining or re-work processes, along with further energy use.

Carrs’ laser welding joins the two parts using a concentrated high power density beam. This allows for faster welds and, consequently lower heat input when compared to conventional welding. The process consumes less than half the energy of traditional welding.

A further benefit of the concentrated high power density beam and lower heat input is the ability to fully penetrate the 2 mm steel section with minimal distortion, eliminating the need for further energy-intensive machining operations. All of this adds up to an energy-saving manufacturing process to make energy-saving machines!

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Contact: Alistair Houghton