VMC850 vertical machining center, what is the maximum diameter, tool teeth and spindle speed of the face milling cutter used in heavy cutting?

Machining center is not suitable for heavy cutting and spindle motor power, torque, is the line or hard rail relationship. Some machine tools produced by machine tool factory are suitable for heavy cutting, and some machine tools are not suitable for heavy cutting.

Even the machine tools produced by the same machine tool factory have different machine tool performance.

850 is the travel of the x axis, and B represents the B type either lengthening the Y axis or increasing the Z axis

Or on the 850 machine tool high or low configuration is what this means VMC is vertical machining center.