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VERTICAL MACHINING CENTERS


This, naturally, has pushed the cutting tool manufactur- ers to develop new geometries and coatings that can withstand the increased velocities. With the combination of all three of these technologies [machine/control, CAM programs and tooling technology], we are achieving results that were not even considered five years ago. The advances continue to accelerate as we incorporate the Industry 4.0 initiative into the machine designs and the manufacturing processes,” said Wallace.


Features Produce Dynamic Five-Axis Machining The QP5X-400 five-axis vertical machining center from Chevalier Machinery Inc. (Santa Fe Springs, CA) scores high in versatility and is well-suited for precision machining applications in aerospace, automotive, moldmaking or job shops. The QP5X-400 A is engineered for better accuracy, greater productivity, using less manpower, and producing higher profitability. The QP5X-400 features a 15,000-rpm spindle for high-speed dynamic machining, which involves


taking fast, small cuts, rather than the old way of taking large cuts of metal. The QP5X-400 is capable of five-axis simulta- neous or 4+1 axis machining. The standard machine is fitted with a two-axis 12.6” (320-mm) rotary table. Construction of the QP5X-400 features highly rigid Meehanite cast iron for the machine’s major parts. The column design features one-piece inverted Y-shape con- struction for rigidity and stability. The pre-tensioned, Class C3 ballscrews are used in all three axes. All servomotors are directly coupled to ball screws, increasing movement sensitivity while dramatically reducing backlash. An efficient chip-disposal design includes an automatic chip-flushing system that brings cutting chips to the center of the machine base. A screw-type chip conveyor option is available to deliver cutting chips to a conveyor, which is located at the front of the machine’s base.


The machine has a table load of 220 lb (99.7 kg) with a 12.6" (320-mm) trunnion table for workpieces measuring 15.7 × 13.7" H (400 × 350 mm). The series offers a two-axis rotary table with a heavy-duty, three-piece, cross-roller bearing that provides part loading and machining capability and a ±10" (254-mm) angle encoder for the A axis. A large- diameter BBT spindle design uses four-piece, P4 Class, high-precision angular-contact ball bearings to increase spindle rigidity and loading capability and maintain high accuracy during high-speed machining. A direct-drive spindle is standard for low noise, vibration, and thermal expansion. The series provides fast interpolation, maximizing machining time, with a high-linear rapid speed of 1417 / 1417 / 1181 ipm (36/36/30 m/min). The spindle taper is #40; spindle power is 15 hp (11- kW) FANUC, with a spindle speed of 10,000 rpm (optional 12,000 and 15,000). Tool capacity is 30+1, with a maximum tool diameter and adjacent tool of 3 or 4.9" (76, 124 mm) without an adjacent tool. The series includes a FANUC 0i-MF control for 4+1 applications.


? 48 AdvancedManufacturing.org | June 2017


Chevalier Machinery Inc. 562-903-1929 / www.chevalierusa.com


DMG Mori 847-593-5400 / www.dmgmori.com


Hurco Companies Inc. 317-293-5509 / www,hurco.com Makino Inc.


513-573-7200 / www.makino.com


Methods Machine Tools Inc. 978-443-5388 / www.methodsmachine.com


Okuma America Corp. 704-588-7000 / www.okuma.com/americas


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