Maximum low-end torque is 78.2 foot-pounds. Cooling oil circulates around the spindle and bearings to maintain a constant temperature and minimize thermal deformation. A Big Plus dual-contact toolholding system provides contact between the machine spindle face and the toolholder flange face, and simultaneously between the machine spindle taper and the toolholder taper shank. According to the company, the result is higher rigidity, better ATC repeatability, improved surface finish and extended tool life. A double-arm ATC has a 30-tool capacity with options for 40 and 60 tools. Maximum sizes for the machine’s 40-taper tool system are 10.6" long and 17.8 lbs. Tool-to-tool change time is 1.3 sec.
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