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The Heller H 4500 four-axis horizontal machining center is designed for increased energy efficiency and economical cutting capabilities within limited space. Air, coolant, hydraulics and other energy consumers are flexibly controlled, based on demand. The HMC is equipped with Heller’s HSK-A 100 spindle, and SK/BT 50 taper is also available. The 52-kW spindle option provides 500 Nm of torque and speeds ranging to 12,500 rpm for cutting iron and steel as well as lighter alloys. Turning operations are possible with Heller’s NC-controlled out-facing head option.
The HMC offers a 500- × 630-mm pallet and 800-mm strokes in the X, Y and Z axes. A rotary pallet table accommodates loads as heavy as 1,400 kg. The rigid machine bed, double-motor Z axis, stiff and short design of the spindle, and water-cooled spindle housing promote precision and reliability. The machining center’s design enables free chip fall below the spindle and between the rotary table and pallet changer. Steep chip flutes in the work area and at the loading station, with a 600-mm-wide scraping or flat-belt-design chip conveyor over the complete Z stroke. The machine is available with either a Siemens Sinumerik 840D or FANUC 31i-B CNC.
The HMC can be equipped with a 50-, 100- or 150-station chain-type tool magazine for tools ranging to 600 mm long. Options include break monitoring with reference measurement, cleaning of the tool cartridges and holders, and instant tool breakage monitoring. The HMC can be loaded with a robot or other automated loading system, as well as a measuring probe for on-machine workpiece checking.
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