VERTICAL MACHINING CENTERS
to deliver high levels of durability and reliability, resulting in long-term accuracy. The innovative way system increases vibration dampening, extends tool life, and handles high load capacities, eliminating tramp oil in the coolant by utilizing a greener grease-based lubrication system. The new Matrix 2 CNC control is optimized spe-
cifi cally for fi ve-axis machining. Performance of the control is said to be much faster with higher processing speeds for small increment operation. A fi ve-axis spline interpolation function included in the control’s software provides smooth toolpaths from long block-by-block programs, easy tool vector control, and shorter cycle times, resulting in superior fi ve-axis surface fi nishes.
Hand-Scraped VMC Box Ways Achieve High Speed Kitamura Machinery USA Inc. (Wheeling, IL) remains committed to the traditional construction-based process of hand scraping of its induction-hardened ways. The argument used to be that box ways were too slow for anything other than
Mazak’s VCU 400 5X’s fi ve-axis vertical machining center features a trunnion-style rotary/tilt table.
heavy-duty machining, but advances in Kitamura’s technology have achieved rapid traverse rates of 2362 ipm (60 m/min) on box ways. The combination of geared spindles and Meehanite cast iron construction provide optimum damping capacity and vibration absorption, resulting in dependable and accurate long-term performance required for high-precision machining. In addition gear head spindles are offered with high-speed 20,000-rpm, four-step geared spindles. The high level accuracies of ±0.002 mm (full stroke) achieved through hand-scraping and solid box way design is said to produce superior abrasion resistance and vibra- tion absorption for heavier cutting ability, better surface fi nishes and longer tool life. As a result, it isn’t surprising that Kitamura VMCs are being used in a variety of industries from smaller high-precision medical parts to larger, heavier mold machining. In addition, Kitamura is in the process of adding larger travel machines in smaller footprints (really small) in its VMC line because fl oor space at its customers is at such a premium. Both its double-column machine line-up, as well as its fi ve-axis VMC lines are being expanded.
CNC Control Sets Five-Axis Machine Apart For Hurco Companies Inc. (Indianapolis), it’s the CNC part of the VMC that it believes sets it apart from every other machine tool builder. Historically, its customers have manufac- tured parts for the automotive, aerospace, medical equip- ment, energy, injection tool and molding, transportation, and computer equipment industries—all of which are under global competitive pressure. While Hurco is known for conversational programming, which its founder invented and developed, the
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AdvancedManufacturing.org | June 2016
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