Welding process revolutionizes crane production

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The GTK 1100 telescopic tower crane for the American manufacturer Grove is produced in Wilhelmshaven. It is ideal for applications requiring great lifting heights (e.g. wind turbines)

An enormous manipulator for chassis frames weighing several tonnes: the innovative forceArc® process is taking over ever more welding tasks at Manitowoc

Practice shows that a large-grain structure is not produced in the heat-affected zone. All hardness tests prove this

Especially heavy locking console made from S 960 QL fine-grain steel. In the past, air arc gouging and welding the backing run was extremely difficult because of poor accessibility. That is why production used to take five days – it now takes only two

Keeping closely to the design, the component was fabricated according to forceArc® principles and it is now produced in batches of four, i.e. without the backing pass and saving two gouging and filling operations in a place that is particularly hard to reach. The welders simply weld through

The design drawings clearly show the benefits of the 30° single bevel seam: welding and filling from one side only – entirely without pool backing

The new jointing technology in crane production also increases quality. It is achieved much earlier: the low heat input has a positive effect on shrinkage in the component

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Welding process revolutionizes crane production

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Welding process revolutionizes crane production

You have exceeded your monthly download limit! Structurae Plus subscribers can download 30 media files or data sets per month. Structurae Pro users are limited to 50.

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