Makino has announced its newest addition to the nx-series, the a120nx horizontal machining center (HMC). As the largest machining platform within the nx-series to date, this machine is built to take on oversized structural components for industrial equipment, diesel engines and semiconductor manufacturing while delivering high levels of speed and accuracy.
"You cannot approach big parts the same way you would any other part, and that is why everything about the a120nx is sized for heavy-duty manufacturing," said John Einberger, Product Line Manager at Makino. "We wanted to employ the proven designs of our other nx-series machines, such as three-point leveling and tiered column design, while ensuring that the machine could mechanically handle the unique challenges of large workpiece machining processes."
The a120nx features X-, Y- and Z-axis travels of 74.8", 63" and 66.9" (1,900 mm, 1,600 mm and 1,700 mm), and the machine's standard large pallet size of 39.4" by 39.4" provides capacity for parts weighing up to 11,000 lbs. The machine's automatic pallet changer switches from one pallet to the next in 38 seconds, minimizing non-cut times for high levels of productivity. Capable of storing up to 204 tools of wide-ranging sizes and designs, the a120nx accommodates tools up to 35.4" long, 14.0" in diameter and weighing up to 77 lbs. Tools are loaded into the automatic tool changer (ATC) from an easily accessible, ergonomically friendly exterior loading station to prevent operator fatigue.
At the foundation of the machine is a three-point supported bed casting to ensure all points are stable and contacting the floor. Developed to maintain the machine geometry and alignments, this design characteristic of the nx-series machines simplifies installation and enables easy relocation of the machine. "Building on the rigidity of the bed casting, the a120nx uses a unique tiered column design that delivers greater resistance to Z-axis cutting forces throughout the work envelope," said a company spokesperson. "Robust cross roller-style B-axis table bearings work in concert with a high force rotary clamping system to ensure stable cutting throughout the machine's expansive work zone."
The a120nx is equipped with Makino's four cone pallet location and clamping system that delivers a secure 46,500 lbs. of force on the pallet. This clamping capability, combined with all pallets built to a master pallet, is designed to eliminate deflection. An engineered precision air-blow system provides locating surfaces cleaning and pallet clamp confirmation as standard features.
Larger parts typically mean larger features, too. Tool length, diameter and weight capacities of the a120nx support processes that feature the use of large face mills, boring bars and line-bar tooling.
To further help ensure ideal geometry and accuracy, the a120nx has a number of systems in place to manage the heat generated by rapid traverse of 2,126" per minute. The ball screws are core-cooled in all axes to give consistent accuracy during continuous production. Moreover, the ball screws are all dual supported and pre-tensioned to provide dynamic positioning repeatability. Feature-to-feature movement distances on large parts are typically much greater, so rapid traverse rates were increased for the a120nx in order to cover these expansive distances quickly.
The a120nx is designed to improve productivity in cutting and non-cutting performance. "The standard high torque 8,000 RPM spindle boosts continuous power levels by 19% over levels typical to machines of this class," said the spokesperson. With 50 continuous (74 peak) horsepower available, this spindle is suited for heavy roughing of iron castings and hard metal applications. In addition, the spindle features improvements in acceleration and deceleration due to its high duty rated performance characteristics that are designed to reduce rigid tapping times by up to 30%. Also available is an optional 18,000 RPM high power spindle suited to high metal removal rate machining of light alloy structural components.
"Chip and coolant management features are often overlooked and result in interrupted operations, increased labor costs, machine damage, part quality issues and reduced tool life," said the spokesperson. "The a120nx enables shop owners to avoid these challenges with supplementary management features, including a sloped surface to remove obstacles between the workpiece and an external chip conveyor, letting chips fall freely." The trough design facilitates rapid chip and coolant evacuation and reduces maintenance needs with a solid panel Z-axis cover design. A standard cyclonic filter provides clean coolant to the through spindle coolant pump and acts as a secondary coolant filter, polishing coolant in the main tank.
The a120nx comes to the market automation ready, being fully compatible with Makino's versatile multi-machine, multi-pallet MMC2 flexible manufacturing system, complete with Makino's MAS-A5 cell controller.
For more information contact:
Laura Buehner
Marketing Manager
Makino Inc.
7680 Innovation Way
Mason, OH 45040
800-552-3288
laura.buehner@makino.com
www.makino.com
Southwest
TX
Nick Oyer
Single Source Technologies
1701 W. Northwest Hwy.
Grapevine, Texas 76051
877-778-5151
Nick.oyer@singlesourcetech.com
Glenn Wise
Consumable Sales Engineer
Single Source Technologies
877-778-5151
glenn.wise@singlesourcetech.com
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Steven Neidigk
Single Source Technologies
877-778-5151
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Single Source Technologies
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c/o Oliver Van Horn Co.
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New Orleans, LA 70125
504-210-3042
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Moncktons Machine Tools, Inc.
928 Canvas Back Rd.
Rio Rancho, NM 87144
505-891-8845
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Single Source Technologies (SST)
26762 Success Drive
P.O. Box 708
Madison, AL 35758
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Bob Ash
Single Source Technologies (SST)
Tooling & Consumables
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Alan Godwin
Single Source Technologies (SST)
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Single Source Technologies (SST)
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Single Source Technologies (SST)
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www.singlesourcetech.com
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Single Source Technologies (SST)
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Single Source Technologies (SST)
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Single Source Technologies (SST)
Tooling & Consumables
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Single Source Technologies (SST)
Tooling & Consumables
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Single Source Technologies (SST)
407-988-7195
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Single Source Technologies (SST)
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ben.guest@singlesourcetech.com
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Single Source Technologies (SST)
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800-336-7283 / 973-227-6601
www.singlesourcetech.com
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Able Machine Tool Sales
800 Silver St.
Agawam, MA 01001
413-786-4662
sales@ablemts.com
www.ablemts.com
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610-430-3670
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Single Source Technologies (SST)
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Single Source Technologies (SST)
610-430-3670
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Consumable Sales Engineer
Single Source Technologies (SST)
610-430-3670
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NY
Meagley Machinery, Inc.
8384 Glen Eagle Dr.
P.O. Box 51
Manlius, NY 13104
315-952-8525
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Allegheny Machine
632 E. McMurray Rd.
McMurray, PA 15317
800-269-4090 / 724-942-4451
www.allegmach.com
Midwest
KY
Technical Equipment Sales
P.O. Box 99793
Louisville, KY 40269
800-852-0582
IN
Technical Equipment Sales
4501 Earhart Lane
Ft. Wayne, IN 46809
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10165 International Blvd.
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248-232-6232
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763-476-8600
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Single Source Technologies (SST)
W229 N2510 Duplainville Rd., Unit 2
Waukesha, WI 53186
262-960-0463
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Preston Giles
Single Source Technologies (SST)
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847-468-1295
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13435 A Street
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402-330-2323
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9440 Atlantic Drive SW
Cedar Rapids, IA 52404
319-734-3403
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Makino - Direct Wichita
2333 S. West St.
Bldg #100, Suite #103
Wichita, KS 67217
513-573-3607
mark.rehwinkel@makino.com
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SST-Midwest
1135 Jansen Farm Drive
Elgin, IL 60123
847-468-1295
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John Cardana
Clancy Machine
3942 Valley Ave., Bldg. K
Pleasanton, CA 94566
925-249-2299
Cell: 925-575-4011
jcardana@clancymachinetool.com
AZ, CA
Single Source Technologies (SST)
17800 Newhope Street, Ste. K
Fountain Valley, CA 92708-5429
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Single Source Technologies (SST)
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Single Source Technologies (SST)
Cell: 380-2336
jonathan.hay@singlesourcetech.com
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Single Source Technologies (SST)
Cell: 714-904-3804
wes.colony@singlesourcetech.com
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Single Source Technologies (SST)
Cell: 714-659-0552
bill.gocke@singlesourcetech.com
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San Gabriel Valley, Santa Clarita Valley)
Rob Wood
Single Source Technologies (SST)
Cell: 805-844-1331
rob.wood@singlesourcetech.com
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Lee Janczewski
Single Source Technologies (SST)
lee.janczewski@singlesourcetech.com
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Mark Smith
Moncktons Machine Tools (CO)
637 Osage Street
Denver, CO 80204
Cell: 303-917-3072
msmith@mmtproductivity.com
OR, WA
John Ellis
Ellis Machinery
6226 20th Street E
Fife, WA 98424
253-926-6868
john@ellismachinery.com