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Mori Seiki Co., Ltd. has announced the debut of the all-new NH10000DCG machine tool. The NH10000DCG is the newest and largest model in Mori Seiki’s comprehensive lineup of high-speed, high-precision horizontal machining centers.
In recent years, the need for machine tools that achieve higher levels of efficiency and precision has been increasing as the demand for high-efficiency and high-precision machining of large parts and difficult-to-cut materials used in the construction machinery, aircraft and printing equipment industries has been growing. In anticipation of this need, Mori Seiki has developed the NH10000DCG.
The successful NH Series has achieved over 6,000 unit orders since the release of the NH5000DCG in August, 2002. In contrast to the NH4000DCG and NH5000DCG machine models, the NH10000 DCG can handle a maximum workpiece size of 2,000 mm x 1,600 mm and a maximum loading capacity of 3,000 kg (5,000 kg as option).
The NH Series machines are designed to facilitate setup operations, including the center alignment of a workpiece. The height difference between inside and outside of the NH10000DCG has been eliminated by installing work platforms. Additionally, by using the setup station, large working area and wide door opening, the machine offers improved operability and accessibility.
The NH10000DCG uses Box-in-Box Construction, which supports the saddle at both sides; the center of gravity of the moving parts is guided and driven with excellent balance despite its large structure. It also achieves roundness of 2.12 μm by minimizing residual tool tip vibration during positioning and by improving machined surface quality. On the X and Z linear axes, it benefits from DCG original technology (Driven at the Center of Gravity™) by driving moving parts at their center of gravity using two ball screws, hence controlling vibration. The NH10000DCG achieves rapid traverse rate of 50 m/min (2.5 times faster than conventional machines).
New features of this NH Series model include an all-new coolant evacuation function, available for through-spindle coolant specifications. Coolant that is left in the spindle is vacuumed into the tank when coolant stops flowing. This prevents the residual coolant from adhering to the spindle taper and being carried into the tool magazine during ATC tool changing. With this function, long-term problems caused by coolant can be avoided, ensuring stable machining accuracy. Additionally, the machine is equipped with three spiral conveyors to offer excellent chip disposal. These conveyors, two of which extend to the setup station, collect chips and coolant not only from the machining area but also from the setup station and transfer them to the external conveyor.
The NH10000DCG is the ideal choice for machining long workpieces. An expanded tool magazine is available as an option and has the capacity of storing tools up to 1,000 mm. The use of long tools enables the performance of deep hole boring and gun drilling of large workpieces that require highly accurate coaxiality without a 180-degree turn on the B-axis, achieving reduced cutting time and high-precision machining.
With a maximum loading capacity of 5,000 kg (option), which is the largest among Mori Seiki horizontal machining centers, the NH10000DCG has the optional automatic indexing setup station that allows automatic rotation of heavy workpieces. Users can choose the ideal specifications for their machining needs.
Mori Seiki (moriseikius.com) produces extremely reliable machine tools and distributes worldwide. The American headquarters is in Chicago with offices in Boston, Toronto, Charlotte, Cincinnati, Curitiba, Brazil; Dallas, Detroit, Los Angeles, Monterrey, Mexico; Mexico City, New Jersey, São Paulo, Brazil; Seattle and San Francisco.
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