Vertical Machining Center Reduces Handwork in Complex Molds

Makino’s V90S is a next-generation vertical machining center (VMC) for five-axis continuous processing. This high-precision VMC evolved from Makino’s three-axis Vi series and has an updated spindle and tilting and rotating axis unit that Makino says supports tighter tolerances and decreased machining and polishing times. The V90S combines quick machine movements and accuracies with software for high-speed motion control. Makino says that the V90S is designed for high-speed finishing of multifaceted, 3D contours and that it cuts cycle times and reduces handwork in complex dies and molds.

To maximize work-zone volume and load capacity, the V90S can accommodate workpiece sizes up to 2200 x 1500 x 700 mm and weighing 5000 kg. Examples of such workpieces include the inner panels of automobile doors and front grilles. The X, Y and Z axes (2000 x 1300 x 800 mm, respectively) provide swift movements with rapid traverse rates of 58,000 mm/min and cutting feed rates of 40,000 mm/min. The V90S’s A axis tilts at ±30°, which is wide enough to machine holes for an angular pin, while the C axis rotates at ±60°, ensuring that the tool tip can be positioned to provide optimum contact with the workpiece. Makino says that this extends tool life, provides the required surface finish and minimizes post-machining hand processes.

Makino says that the V90S is equipped with a unique wide-open front door and open-ceiling design so that the vertical machining center provides improved ergonomics for operators to load and unload workpieces and to open ceilings for overhead crane access to the worktable. The work zone of the machine is designed to move chips into internal troughs which are evacuated with the lift-up chip conveyor. Makino says that as a result, the V90S extends tool life and provides exceptional surface finishes even in applications that require fine tool blends and matches.