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Double Column Bridge-Type Machine

Hurco unveiled the BX40i double-column (bridge-type) CNC machine at IMTS 2016. The stability of the double-column design and the overall weight of the machine (20,062 lbs.) helps provide enhanced accuracy and surface finish capabilities. While designed specifically for the mold market and aerospace industry, the BX40i meets the needs of a range of high speed machining applications that require tight tolerances while allowing the machine to operate at optimum spindle speeds due to the machine design.

"With the double-column design, there is less tool deflection and less vibration compared to a single column CNC machine and less thermal deformation due to the fact that the heat only affects the bridge structure in a straight line instead of occurring on both the X and Y axes. Another advantage is the fact that the spindle is closer to the mass of the machine on a double-column machine, which provides increased rigidity," said a company spokesperson. Additionally, the BX40i is built with size 45 roller rails on all axes and linear scales are standard.

The Hurco BX40i features an integrated Hurco control powered by WinMax control software and the patented motion system called UltiMotion. The Hurco control can support multiple programming methods: conversational programming that minimizes idle time that occurs when waiting for the CAD/CAM station; industry standard NC programming; and a Hurco-specific feature called NC/Conversational Merge that helps optimize efficiency.

"UltiMotion can determine the optimal trajectory to run the tool and achieves programmed feedrates more consistently, reducing cycle time by as much as 30% or more, depending on the complexity of the part, while improving surface finish quality," said the spokesperson. "With UltiMotion, cornering velocity is 2.5 times faster than conventional motion and machine jerk is reduced by at least 50%. Instead of fixed look-ahead, UltiMotion includes dynamic look-ahead that is smart enough to adapt as required by the tool path. UltiMotion is different than the smoothing features offered by CAD/CAM software and improves upon even excellent CAM output because it provides better handling of the machine mechanics and dynamics. All Hurco CNC machining centers are equipped with UltiMotion."

BX40i specifications:

  • Table size: 41.3 x 27.6"
  • Table load: 2,204 lbs.
  • XYZ travels: 27.6" x 40.2" x 19.7"
  • XYZ rapids: 1,535 IPM (Direct Drive Ballscrews)
  • Spindle taper: HSK 63A
  • Spindle RPM: 18,000 (motorized)
  • Spindle HP: 47
  • Spindle torque: 88 ft-lbs. at 2,800 RPM
  • ATC stations: 30
  • Machine weight: 20,062 lbs.

For more information contact:

Hurco Companies, Inc.

One Technology Way

P.O. Box 68180

Indianapolis, IN 46268


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