Small Machining Center Produces Small Workpieces

The small Dixi 125 machining center from DMG MORI is designed for workpieces with diameters ranging to 1.25 mm.

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The small Dixi 125 machining center from DMG MORI is designed for workpieces with diameters ranging to 1.25 mm. Like the larger models in the line, this machine offers manually scraped guideways for optimum volumetric accuracy ranging to 15 microns. Positioning accuracy in the X, Y and Z axes is 4, 3 and 4 microns, respectively, and 4 arcseconds in the B and C axes.

Based on the fourth-generation duoBlock machine and the smallest model in the Dixi series, the Dixi 125 offers 1,250 × 1,250 × 1,150-mm work area and an NC-controlled rotary table with a maximum load capacity of 2,000 kg. It is available in a four- or five-axis version with application-specific kinematics (A or B axis) and a range of available spindles, including the powerMaster 1,000-Nm spindle, and the speedMaster 12,000- or 18,000-rpm spindles. Direct-drive motors enable milling and turning in a single setup. Acceleration rates range to 6 m/sec.², and rapid traverse rates range to 60 m/min.

Thermal stability is ensured by a 980-L coolant unit with reference-guided temperature control of the feed drives, guides and machine structure. A thermo shield and individual thermal compensation, including a spindle growth sensor, also are said to contribute to the machine’s high thermal stability.

The machining center also comes equipped with the company’s Celos app-based user interface, which features a multi-touchscreen designed to be as simple to operate as a smartphone. This results in reduced setup time, and easier calculation of technical values and searching for important information, the company says.