Absolute precision and maximum dynamics in heavy-duty machining are the key features of the highly-stable duoBLOCK- machining centres from DMG MORI. In particular the DMC models with pallet changers are the mark of productivity-driven production. The world market leader in chip removal has extended the 4th generation of the successful platform to include three world premieres with fast pallet changers which it will showcase at the EMO in Milan. The DMC 100 H duoBLOCK and DMC 125 H duoBLOCK complete the portfolio of high-performance horizontal machining centres, while the DMC 100 U duoBLOCK equipped with a powerMASTER- spindle sets new standards in powerful 5-axis machining.With an increase in precision, performance and efficiency of up to 30 percent the duoBLOCK- series has continued its success story through to the fourth generation. Since its launch DMG MORI has successively extended the program of the highly-stable machining centre series in order to establish itself as the absolute full-line supplier. DMG MORI once again underscores its exceptional position with the presentation of three world premieres from the DMC portfolio with fast pallet changers at the EMO.
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Horizontal heavy-duty machining now complete and universal machining centres extended
DMG MORI will be presenting three duoBLOCK-based world premieres at the EMO: the DMC 100 H duoBLOCK and DMC 125 H duoBLOCK complete the portfolio for heavy-duty horizontal machining, while the DMC 100 U duoBLOCK strengthens the line-up in automated 5-axis universal machining.
DMC 100 H duoBLOCK and DMC 125 H duoBLOCK – Premium class horizontal heavy-duty machining
DMG MORI places great importance on horizontal machining in general. This is reflected in particular in its complete range of task-optimized series. The NHX series takes on the role of the all-rounder here while the i-series targets equally efficient and space-saving serial production in the automotive sector. Whereby the DMC 60 H linear and DMC 80 H linear as production precision centres excel with rapid traverses of up to 100 m/min and repeat accuracies of up to 3 µm. So all that remains is the high-performance segment that will be rounded off at the EMO with not just one but two world premieres from the DMC H duoBLOCK series.
DMG MORI will now finally establish itself as a complete full-liner for every demand in horizontal machining, namely with the DMC 100 H duoBLOCK and the DMC 125 H duoBLOCK. The special focus of the new DMC H duoBLOCK models is on high-performance through to heavy-duty machining. In addition to the standard spindle DMG MORI also offers a gear spindle with a torque of up to 1,600 Nm, and a 52 kW power rating at 8,000 rpm. Combining this with the heavy-duty machining package enables removal rates of over 450 cm³/min for Ti6AI4V, for example.
The DMC 125 H duoBLOCK boasts a maxim workpiece size of 1,250 x 1,600 mm (ø 1,000 x 1,600 mm. in the case of the DMC 100 H duoBLOCK). Maximum workpiece weight is rated at 2,000 kg. The large cubic work area offers sufficient space for long tools and multiple clamping devices. The 1,050-mm horizontal clearance allows the use of tools with lengths of up to 900 mm.
The two new duoBLOCK horizontal machining centres owe their high level of precision in part to the extensive cooling concept. Cooling of the motors in all linear and rotary axes ensures maximum long-term precision, even in the standard version.
DMG MORI has also optimized the efficiency of the two world premieres by means of a frequency-controlled high-pressure pump up to 80 bar (optional).
DMC 100 U duoBLOCK – universal 5-axis machining with up to 1,300 Nm
The enhanced features of the fourth generation are also reflected in the third duoBLOCK-world premiere. With its fast pallet changer the DMC 100 U duoBLOCK guarantees the shortest possible idle times in productive 5-axis machining. A 12,000-rpm and 130-Nm spindle ensures outstanding milling performance even in the standard version. Another highlight of the new universal machining centre is the new powerMASTER-motor spindle that is now available as an option – one example of the innovative synergy effects arising from the cooperation with the Japanese developers.
With a torque of 1,000 Nm and a power rating of 77 kW the spindle can handle demanding machining tasks with no problem at all. Its Spindle-Growth-Sensor (SGS) compensates spindle growth and guarantees maximum precision. It has a swivel range of -30°/+100°. This makes the powerMASTER ideally suited for the machining of complex titanium components in the aerospace industry, for example. The DMC 100 U duoBLOCK can be equipped alternatively with the 5X-torqueMASTER. The torque of the gear spindle was increased by 80 percent to now stand at up to 1,300 Nm. It has a power rating of 37 kW at 8,000 rpm. Its structural rigidity has been increased by 50 percent. The 5X-torqueMASTER has a swivel range of between 0° und +180°. The new B-axis with its 20 higher rigidity and integrated cable track ensures maximum flexibility and reduces machining times to a minimum.
The size of the work area offers sufficient space for workpieces of up to ø 1,000 x 1,600 mm and weights of up to 2,000 kg. The intelligent wheel magazine with space for 453 tools and chip-to-chip times from 4.0 seconds boost productivity. As of two wheels the magazine can be setup parallel to main and secondary production times. A new feature is the automatic changeover of 45-kg angle heads and the changeover of tools in the angle head. In addition the magazine can be setup with sets of tools by means of a dedicated and individually defined access area in the loading wheel. In order to boost efficiency even further DMG MORI also offers a frequency-controlled high-pressure pump with up to 80 bar for the DMC 100 U duoBLOCK.