HMC Offers Thermal Stability for Large-Part Applications

Okuma says its MA-12500H horizontal machining center (HMC) is designed to balance speed and cutting power for machining aluminum alloys, cast iron and difficult-to-machine materials.

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Okuma says its MA-12500H horizontal machining center (HMC) is designed to balance speed and cutting power for machining aluminum alloys, cast iron and difficult-to-machine materials. Incorporating the company's Thermo-Friendly concept for thermal stability, the HMC suits large-part aerospace applications. Built on an integral bed/base, the machine's reinforcing ribs support a stable, 11,000-lb. load capacity. The machine can accommodate workpieces weighing as much as 10,141 lbs and as large as 78.72" in diameter and 62.99" in height,

The machine comes standard with a 50-taper, 6,000-rpm, 60/50-horsepower spindle, although optional spindles include a 12,000-rpm wide-range model and a 4,500-rpm, heavy-duty model. It offers XYZ travels of 86.61" × 62.99" × 64.96" and rapid traverse rates of 1,653 ipm. The machine uses a 0.001-degree B-axis rotary table, a 49.21" square pallet and a parallel-type, two-pallet automatic pallet changer. An 81-tool matrix automatic tool changer comes standard, with options for as many as 171 tools.

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