TPT September 2016

T E CHNOLOG Y

Robot chamfering by machining PROVEA, a French company that specialises in designing and manu- facturing machines for the tube industry, has introduced its latest project – robot chamfering by machining. The robotic unit was first shown during the 2016 Düsseldorf Tube fair and greeted with enthusiasm by tube manufacturers. High accuracy, repeatability and productivity are the main advantages of the RU series. Quick change is another feature of the system. The robot trajectory is adapted to the product (shape and size) – so there is no need to change tool when the user changes the product shape. The range of possible products is extensive even when using the same machine and the same tool – from 10mm up to 300mm overall.

and brought to the removable stop as a reference position. After being detected against the stop, the jaws are closed in order to centre and hold the tube during the process. Once the tube is clamped the position is guaranteed in the working axis. The stop moves down and the robot starts its cycle. During the process the tube remains still thanks to the pliers. The mandrel starts a few millimetres away from the tube and smoothly penetrates into the tube during the process. This provides a clean, regular and repeatable chamfer. Several options can be included such as a blowing system, on-line/off-line integration, feeding/reception table, and multiple tube pliers table to chamfer several tubes simultaneously. Provea – France Email: contact@provea-machine-tube.com Website: www.provea-machine-tube.com

The RU series from Provea is designed to process external and internal chamfer or deburring (after a cutting process, for instance). The RU series is able to provide homogeneous chamfering despite a lack of roundness and co-axiality of the tube.

The RU series is modular and pro- vides multiple integration opportunities: straight tubes or bent tubes, both tube ends chamfered simultaneously or successively, several tubes at the same time, infinite section type – square, rectangular or oval. During the cycle the operator enters the data on the touch control panel (inside and outside tube diameters and shape, number of rotations, step, depth, mill size and speed). The rotation speed of themandrel is pneumatically controlled. The tube is taken by the pliers

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S eptember 2016