TPT November 2009

P rofiles and S haped T ubes

Turnkey solutions for structural tube sections

MTM, together with Atomat, offers specific turnkey solutions for the production of structural tubes, either round or hollow structural sections. The range of complete tube mills and roll set includes round tubes from ½" up to 8" NB and square sections up to 160x160mm. For shaping thick material, MTM recommends the use of a profiling section featuring motorised roughing stands. Thanks to this technology it is possible to attain square and rectangular sections with flat surfaces and sharp corners, complying with all applicable international standards for hollow structural sections. Roll set characteristics are also very important for an efficient production of these sections. Both roll design and roll

mechanical properties largely affect not only the quality of the final product, but also the wear life of the rolls themselves and subsequently the overall production costs. With more than 40 years of experience in this field, Atomat is able to provide the design and manufacturing of the most suitable rolls for this application. The COMBY flying cut off machine represents the cutting edge solution for shearing by means of a quick and effective cold sawing process of heavy section tubes. Two cutting heads are moved around the shape by two combined electrical axes, like in milling-machines. The ingenious orbital cutting process of MTM Comby guarantees a reliable and cost effective cutting method. No gap occurs between the two blades, thanks to the

rugged structure of the equipment and the reduced blade dimensions. The cold saw can operate using either HSS or TCT blades, which is the case in the whole range of MTM flying cold saws. MTM cold saws allow high productivity and lower running costs, whenever a burr- free cut is essential. The partnership Atomat – MTM, combining its engineering expertise with an outstanding roll set manufacturing know-how – says it guarantees an effective solution to help businesses. MTM SpA – Italy Fax: +39 0419 99611 Email: sales@mtmtubemills.com Website: www.mtmtubemills.com

BOSSI Srl, Italy, offers a wide production range that includes machines that can solve most problems with grinding, satin- finishing, polishing and deburring of ferrous and non-ferrous materials – both offline and inline. The RSP machines are employed in the operations of grinding, snagging and polishing of flat and shaped surfaces made of steel, stainless steel, aluminium, brass and all kinds of ferrous and non-ferrous material. The great flexibility and versatility Offline and inline solutions for grinding problems The Multipla UV is a longitudinal brushing and polishing machine with opposite units. This type of machine has been designed for products requiring perfect finishing that cannot be obtained by traditional centreless machines. The pieces to be worked are locked on their ends by tailstocks, and tools, working longitudinally to the piece axis, cross the cut of the previous belt working. Another characteristic of these machines is that it is possible to work pieces both with circular and an elliptical, oval or rectangular section. of the machine allow the user to obtain different types of finishing by using many types of abrasive belts, brushes or mops. This model is available with different working capacities (150/200/300/400mm or 500 wide x 150/200/300h). The finishing lines can be provided with loading, finishing on one side or two sides simultaneously, turnover, return conveyor belt and, at cycle end, unloading and drainage, which all happens automatically and needs only a single operator.

The machine is available in different versions, with two or four brushes, for pieces with a length of between 300mm – maximum 3,000 or 6,000mm, diameters from 14 up to 80mm. The SF is a new model, recently introduced by the company that replaces and changes the concept of classical centreless machines for working cylindrical surfaces. It is provided with: easier adjustments; complete cleaning; working speed up to 20mt/min; reduced overall dimensions; and longer life time of abrasive belts (20%). The machine can be supplied with different driving systems for the pieces to be worked and automatic systems for piece loading/ unloading. Bossi Srl – Italy Fax: +39 0294 66265

 Grinding, snagging and polishing from Bossi Srl

Email: info@bossi-srl.com Website: www.bossi-srl.com

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N ovember 2009

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