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A product from: Grenzebach Maschinenbau GmbH

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Friction Stir Welding: 4-axes-FSW-machines of the DSM series

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Hall 8 / 8-331

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The machine were developed specially to meet the requirements of the Friction Stir Welding (FSW) process. The focus during the development of these machines was geared towards dynamic and precise process control as well as an intuitive control and operating concept. 4-axes gantry system – designed for high axis dynamics and precise line guidance. The integrated C-axis allows the welding head to rotate by +/-720° and enables much higher process dynamics for joining complex path trajectories with narrow radii.

Workpiece supply systems for enhanced productivity

In terms of cycle time, the rapid loading and unloading of workpieces is just as important as the dynamics and speed of the welding machine. Modular, expandable, automatic feeding systems for simultaneous welding and loading / unloading of work pieces outside of the machine. The loading and unloading of components can be done manually by the operator with the help of a manipulator or an indoor crane, or fully automated.

Friction Stir Welding

The Friction Stir Welding technology (FSW) by Grenzebach enables the joining of technically pure metals, alloys and mixed material compounds while providing a solid bond of exceptional quality. During the FSW process a rotating, wear-resistant welding tool generates frictional heat at the welding zone. The material becomes malleable and is stirred along the welding path by the welding tool without reaching the melting temperature of the joining materials. The stirred material is compacted by the tool shoulder and a solid, media and pressure-tight joint between the work pieces is formed. Compared to conventional fusion welding processes (e.g. arc welding), FSW does not require additional welding wire, inert gas or complex exhaust systems. Furthermore, FSW does not generate any discernible noise, emissions or optical radiation.

https://www.grenzebach.com/products-markets/friction-stir-welding-technology/4-axis-fsw-machines-of-the-dsm-series/

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Grenzebach is a world-wide leader specializing in the automation of industrial production lines. By providing services encompassing the entire life cycle of a project, Grenzebach’s tailor-made automation solutions have a positive impact globally in glass and building material manufacturing as well as intralogistics. Many years of experience, continuous development, and sustainable support services are what makes Grenzebach one of the most preferred partners world-wide. 3000 installed lines in 55 countries prove that the Grenzebach name stands for quality and reliability. Amazingly, 90 percent of Grenzebach’s products are for export which reflects that the medium sized family-owned company from Hamlar is a global player in the industrial automation.

Grenzebach, as an experienced system integrator and supplier of Friction Stir Welding (FSW) equipment, delivers turnkey FSW process solutions for industrial serial production. FSW stands for durable, solid, media and pressure-tight welding joints between workpieces. Friction Stir Welding does without melting, which means no pores or hot-cracking. Those are effects that lead to leaks with conventional fusion welding and become even stronger when using aluminum casting material. The FSW technology shows its strength especially when joining subcomponents of aluminum and aluminum combinations, such as casting and sheet metal material. High-quality welding joints with an outstanding surface finish are being produced.

When it comes to casting parts Grenzebach dominates the whole spectrum: Since 2007, we manufacture casting parts from all materials and process components for their use in robots and machinery. We make highly sophisticated molds. From cast iron to steel casting to aluminum cast and forged parts: Grenzebach manufactures high-quality industrial casting parts for technical equipment. The casting parts are used in special machinery within the automation industry, such as industrial robots or machine tools. The parts are given the finishing touches at the Grenzebach machining center.