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WWW.AERO-MAG.COM 22 AEROSPACEMANUFACTURING | MARCH 2013
METALLICS I MACHINING
Working the horizontal plane
According to high speed multi-axis machining centre manufacturer Handtmann, its horizontal machining offers superior productivity – as demonstrated by the extension of its HBZ Trunnion series.
as the company further develops its HBZ Trunnion 5-axis horizontal machining centres. The starting point for Handtmann’s continuous development of its horizontal machining concepts was the HBZ AeroCell, which was designed for the high speed machining of aluminium and offers table sizes from 4m by 2m, up to 7m by 2m. Its smaller sibling, the HBZ CompactCell, with table sizes from 2m by 1m to 4m by 1m, quickly established itself on the international market, machining structural parts for the aerospace industry.
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Both horizontal machining centres are now generating orders on a regular basis from customers throughout the international aerospace industry. The Handtmann HBZ product line is known for its outstanding performance which allows considerable reductions in down-time. The addition of a pallet changing system further increases machining productivity.
Productivity gains focus Handtmann’s special focus for 2013 is in improving productivity increasingly through horizontal machining, as the new 5-axis horizontal machining centre HBZ Trunnion is being further developed. With the HBZ Trunnion, Handtmann has developed a machine concept which it claims combines the most significant productivity benefits of horizontal machining and applies them to smaller components. The advantages of horizontal machining are obviously transferable to smaller structural parts. The HBZ Trunnion is particularly fast compared to
conventional machining centres when it comes to machining workpieces that required deep pockets and drilled holes. On a horizontal machine, the chips fall out of the cavity and so there is no chip build-up to cause problems with quality or reduce cycle time. According to customer reports, machining on the HBZ Trunnion 80 can be up to 30% more productive than
Innovations for 2013 include the development of the HBZ Trunnion 120 and HBZ Trunnion 160’s turning function and pallet automation
machining on competitive machines. The arrangement of the axes – with X, Y and Z axis travel independent from the workpiece and the rotary and swivel C and A axes combined in an NC rotary swivel table – together with a single piece construction machine bed and three point floor mounting, is said to offer unbeatable rigidity and process reliability to the ‘PowerCube’. The main characteristics of the HBZ Trunnion series are the horizontally arranged spindle, the NC-rotary swivel table and a highly rigid machine design. These are combined with a choice of spindles to provide the optimum solution to every customer requirement and to allow the most economic machining of titanium, steel, aluminium and composite. With its wide range
andtmann has announced that its focus this year is firmly on horizontal machining centres. The market will see more innovations in high performance machining
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