Mori Seiki/DMG launch compact high performance MillTap 700

Mori Seiki's compact next generation MillTap 700 vertical milling and boring centre, launched at EMO, represents a first product of its collaboration with German business partner, Gildemeister AG (DMG)

DMG and Mori Seiki have equipped the MillTap 700 with technical features designed to optimise both productivity and efficiency. The high machining speeds necessary for tapping centres are complemented by a high speed tool changer that gives a chip-to-chip time of 1.5 sec. To achieve this performance, the complete drive for the tool magazine (which can hold 15 or optionally 25 tools) is integrated into the spindle head. Impressive dynamic performance with up to 1.6 G on the linear axes and high speed axis moves of up to 60 m/min contribute to the machine's productivity potential.

Process reliability and maintenance costs were important considerations during the MillTap 700's development. Its triangular bed and the static X-axis cover are designed to optimise chip flow and enable parallel chip disposal. Additionally, users can choose to position the cooling system on the machine either from the front or the back. This helps make the MillTap 700 30% less wide than comparable machines and makes its overall footprint 10% smaller.

The MillTap 700 has a 700 by 420 mm work area and a 380 mm Z-path. The easy accessibility of the work area, the rigid machining table and widely spaced linear guideways make it possible to manipulate workpieces of up to 400 kg, while a range of clamping options maximise manufacturing flexibility.

The 25 kW high torque spindle operates at 10,000 rpm and produces more than twice the power available on the conventional TV-300 model. Optionally, the machine can be fitted with a high speed 24,000 min-1 spindle, increasing the machinable material spectrum. The symmetrical design of the spindle head on the MillTap 700 ensures extreme rigidity and thermal stability. The rigidity of the machine is further enhanced by its C-frame design using highly robust and massive castings.

DMG and Mori Seiki have developed a feature rich control for the MillTap 700. The adapted Siemens 840D solutionline with Sinamics 120 compact inverter and 10 inch monitor aims at simple and efficient programming. Optionally the MillTap 700 can also be equipped with the Progressline, which clearly displays the remaining time and quantity of a complete machining order as a status control.

Author
Celia Cadwallader

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Mori Seiki UK Ltd

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