TPi May 2014

7-11 April 2014

the operator has the option to use the determined radius for all bends.

ACS+CFMtwin processes workpieces with a maximum diameter of 41.5mm; the highest possible nominal workpiece length is only reduced from 2,000 to 1,500mm. The second innovation concerns the bundling and fixation of the workpieces for cutting. Previously, it was possible to saw four workpieces simultaneously and subsequently de-burr them with the ACS+BDM production system. The Rattunde engineers have now succeeded in creating a design with which seven workpieces can be simultaneously cut precisely and quickly. Compared to the previous quadruple cut, this increases productivity by at least a factor of 1.5. The new technology can be used for workpiece diameters from 10 to 14mm, and master lengths between 4.5 and 7m. Despite this increase, multiple length measurement remains possible without restrictions. Rofin will exhibit its Profile Welding System (PWS), which consists of a beam guidance and sensor system with PC-controlled linear axes, for reliable laser welding of tubes and profiles. Sensors for gap position recognition and seam tracking can detect slight discrepancies in the seam position. With high-speed precision linear drives, the PWS achieves position accuracies of a few µm at production speeds of up to 60m/min. Laser welding of tubes and profiles provides narrow seams with fine-grain structures and narrow heat affected zones. This means that the heat treatment needed for further processing is often not required. In contrast to conventional TIG welding, non-contact laser welding can achieve higher process speeds. The welded seams withstand high stress levels without tearing. laser from the DC series for welding of tubes with 1-3mm wall thicknesses. Rofin will also present a CO 2 acs@rattunde-co.de www.rattunde-co.de Rofin-Sinar Laser GmbH Germany 6C49

The measurements have an accuracy of approximately 0.25mm, resulting in a perfect calculated digital tube model. LRA and XYZ data are instantly available. The end result, including the measurements, inspection data and additional project related data, will be digitally stored in the Proliner and is also available as a PDF report.

marketing@prodim-systems.com www.prodim-systems.com

Prodim will present TubeCheck and Proliner at Tube Düsseldorf

Rattunde & Co GmbH Germany

6E40

The Proliner is a measuring device that works with a wire of ten metres. Because of this length it is possible to measure small and large tubes easily, without changing the position of the Proliner. Users are able to measure, check and edit tubes and pipes on site. On-board CAD functions make the measurement immediately ready for production. To ensure accurate data, Prodim continuously develops and improves software in order to meet the changing requirements of companies in the tube industry. By combining a measuring device and software in one machine, it is not necessary to carry an extra computer around the factory or measuring location. A USB or LAN connection makes it possible to transfer digital measurements to a CNC tube bender. The TubeCheck software is developed for quality control of tubes. In addition to measuring, tubular data can also be inspected. A measured tube or part of a tube can be compared with the master data using TubeCheck. By defining the tolerances of the tangent and intersection points, it is clear if the product passes or fails the specifications. TubeCheck also makes it possible to calculate the precise centrelines of tubes. To measure and check radii and angles of a particular tube, only a few sections of the tube have to be measured, and the results can be immediately viewed on the Proliner. When the bend radius is not specified or when multiple bends with different radii exist, it is possible to measure the radii in the same sequence. When the bend radius is presented on the screen,

German sawing and machining specialist Rattunde & Co GmbH is a manufacturer of high-performance production systems. With two of the latest innovations, users can increase their productivity: a double head, ACS ® +CFMtwin, facilitates double cuts with subsequent chamfer processing; and in the ACS ® +BDM production system, a newly developed clamping mechanism makes it possible to saw seven tubes simultaneously and then de-burr them using brushes. The ACS+CFMtwin can work nearly twice as fast, as it is equipped with a twin head, allowing the production system to carry out two cuts simultaneously, and then perform chamfering on the ends of the two tubes. The double cut and quadruple chamfering in a single process facilitates high productivity, with outputs of up to 5,000 units per hour (at 100 per cent on-time, initial length 6,500mm. Reference product dimensions: ø21 x 3.5 x 45mm, E355).

Photo credit: Rattunde & Co GmbH, Ludwigslust

ACS+CFMtwin – twin head for doubled machining performance

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March 2014 TUBE PRODUCTS INTERNATIONAL