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Okuma's new MILLAC 852V II vertical machining center, represents the pinnacle of large machining centers with high rigidity, heavy cutting ability and high operability. The strong base column construction has optimally-placed ribs to counter chatter and twisting during heavy-duty cutting. Traditional box ways are used for all axes to provide high accuracy and rigidity over the long term.
With the use of variable speed gear head and large-diameter spindle bearings, this vertical machining center can perform heavy-duty cutting and high speed machining with high torque from low to high speeds. The X, Y, Z travels and large table designed to withstand heavy loads are well suited for machining large, heavy work pieces.
Related Glossary Terms
- centers
centers
Cone-shaped pins that support a workpiece by one or two ends during machining. The centers fit into holes drilled in the workpiece ends. Centers that turn with the workpiece are called “live” centers; those that do not are called “dead” centers.
- chatter
chatter
Condition of vibration involving the machine, workpiece and cutting tool. Once this condition arises, it is often self-sustaining until the problem is corrected. Chatter can be identified when lines or grooves appear at regular intervals in the workpiece. These lines or grooves are caused by the teeth of the cutter as they vibrate in and out of the workpiece and their spacing depends on the frequency of vibration.
- machining center
machining center
CNC machine tool capable of drilling, reaming, tapping, milling and boring. Normally comes with an automatic toolchanger. See automatic toolchanger.
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