Modern Machine Shop

DEC 2016

Modern Machine Shop is focused on all aspects of metalworking technology - Providing the new product technologies; process solutions; supplier listings; business management; networking; and event information that companies need to be competitive.

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mmsonline.com December 2016 MMS 141 MODERN EQUIPMENT REVIEW Spotlight: Machining Centers FIRST AT THE FINISH LINE SINCE 1885 • The Diamond Crosscut Contact Wheel • Burns Rouge Products • Tiger Brand Greaseless • Finishing Compounds • Abrasive Belts • Sewn and Bias Buffs For over a century, Matchless has been a leader in the manufacture of quality buffs, compounds, lubricants and wheels. Call today for details on how Matchless can help you stay out in front of the competition—all the way to the fi nishing line. The Matchless Metal Polish Company Chicago, IL: (773) 924-1515 Linden, NJ: (908) 862-7300 Workholding Solutions Vises Fixtures Cutters Innovative 5THAXIS.com of ±0.50 sec. on the B axis and ±0.20 sec. on the C a xis. A 24,0 0 0 -rpm, 40 -taper direct-drive spindle of fers precision throughout the entire speed range. Spindle bearing preload self-adjusting technol- ogy optimizes preload at the full range of spindle speeds. Yasda has developed a mechanism that applies a large preload during low-speed rotation; the preload decreases according to the amount of heat generated by the spindle bearing during high-speed rotation. The machine's feed drive system features large diameter ballscrews and high-speed interpolation control. The X-, Y- and Z-axis travels measure 35.4" × 19.7" × 17.7" (900 × 500 × 450 mm), with a vertical rotation of 360 degrees and a horizon- tal rotation of ±100 degrees. A rotary B/C axis mounted on the Y-axis machine bed promotes machining stability, even when supporting up to 400 lbs of weight (including the fixture and part). An automatic toolchanger holds as many as 60 tools with an option to hold 100 tools. A thermal distortion stabilizing system maintains all axes to within ±0.2°C of ambient temperature. Greater workpiece access allows for shorter tool lengths, the company says, enabling higher feed rates. Other features include a high-speed TCP, a command for tilted working plane index- ing and a rotation center-calibrating function. The machine is equipped with FANUC FS31i-B5

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