Makino a61nx

$500,000 - $700,000 Updated 2026-03-11

Key Specifications

X Travel

730 mm (28.7 in)

Y Travel

650 mm (25.6 in); 730 mm (28.7 in) with tall column option

Z Travel

800 mm (31.5 in)

Max Spindle

14,000 RPM (20,000 RPM optional)

Spindle Taper

CAT40 (HSK-A63 opt)

Tool Capacity

60 tools (optional 133, 218, 313)

Overview

The Makino a61nx is a production-grade 500mm horizontal machining center that sits at the top of its class for rigidity, surface finish, and metal removal rates. Makino designed the a61nx as the bigger brother to the A51nx, sharing the same robust casting design but with more travel and pallet capacity. You get 730 x 650 x 800 mm (28.7 x 25.6 x 31.5 in) of travel on 500 x 500 mm pallets, with an optional tall column extending Y-axis to 730 mm for taller parts.

The standard spindle runs at 14,000 RPM with 22 kW continuous power and 240 Nm of duty-rated torque on an HSK-A63 taper. An updated version pushes torque to 303 Nm for higher metal removal rates, and a 20,000 RPM option is available for high-speed aluminum work. Makino's spindle quality is widely regarded as best-in-class among HMC manufacturers — the core-cooled design maintains thermal stability during extended production runs.

Axis acceleration hits 1G across all linear axes thanks to enhanced servo motors and Makino's cross-roller guide design. The direct-drive B-axis table eliminates the backlash and wear issues of worm-gear designs, providing faster indexing and better long-term positional accuracy. The 60-tool ATC with IAC (Inertia Active Control) technology optimizes ring acceleration for faster tool seek times.

The a61nx runs on Makino's Professional 6 (Pro 6) control, which provides an operator-focused interface designed to streamline setup and minimize errors. The machine supports Makino's MMC2 (Makino Machining Complex) multi-pallet automation system for scaling into lights-out production. New a61nx machines price around $500,000-$700,000 configured, making them a premium option in the 500mm HMC class. Used units from 2013-2020 trade between $175,000 and $400,000. Specs sourced from Makino published data and dealer documentation.

Full Specifications

Parameter	Value
X-Axis Travel	730 mm (28.7 in)
Y-Axis Travel	650 mm (25.6 in); 730 mm (28.7 in) with tall column option
Z-Axis Travel	800 mm (31.5 in)
Max Spindle Speed	14,000 RPM (20,000 RPM optional)
Spindle Taper	CAT40 (HSK-A63 opt)
Spindle Motor Power	22 kW (30 hp) continuous; optional 60/80 kW with 20K RPM spindle
Spindle Torque	240 Nm (177 ft-lb) duty-rated; 303 Nm (224 ft-lb) upgraded version
Tool Capacity	60 tools (optional 133, 218, 313)
Tool Change Time	1.5 sec chip-to-chip
Pallet Size	500 x 500 mm (19.7 x 19.7 in)
Max Workpiece Size	Ø 800 x 1,000 mm (Ø 31.5 x 39.4 in)
Max Work Weight	550 kg (1,212 lb)
Rapid Traverse Rate	2,362ipm
Axis Acceleration	1G on all linear axes
Table Type	Direct-drive (DD) motor B-axis, 360° continuous
Machine Weight	12,200 kg (26,900 lb)
Machine Footprint	2,910 x 5,187 mm (114.5 x 204.2 in) W x D
CNC Control	Makino Professional 6 (Pro 6)
Positioning Accuracy	±0.002 mm (±0.00008 in)
Repeatability	±0.001 mm (±0.00004 in)
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Metric	English
Pallet	19.7" x 19.7"
B Axis	360° DD NCRT
Spindle Rpm	14,000 rpm (20K)
Cutting Feedrate	1,968 ipm
Maximum Workpiece	ø31.5" x 39.4"
Maximum Payload	1,100 lbs (option 1,540 lbs)
Tool To Tool	0.9 sec
Chip To Chip	2.5 sec
Maximum Tool Diameter	8.1"
Maximum Tool Weight	26.4 lbs

Specifications sourced from makino.com — verified 2026-03-28

Strengths & Limitations

Strengths

Makino's spindle quality is widely regarded as best-in-class — the core-cooled 14,000 RPM HSK-A63 spindle delivers exceptional thermal stability and surface finish consistency across long production runs
Cross-roller guide design provides significantly higher rigidity than standard linear guides, allowing the full work envelope to be utilized without sacrificing accuracy at the extremes of travel
Direct-drive B-axis eliminates backlash and wear associated with worm-gear tables, providing faster indexing and better long-term positional accuracy
1G axis acceleration combined with IAC (Inertia Active Control) tool magazine technology minimizes non-cutting time for best-in-class cycle time performance
303 Nm torque option gives the a61nx serious metal removal capability on ferrous materials while maintaining the high-speed capability for aluminum — a genuine dual-purpose machine
HSK-A63 taper provides better tool rigidity and repeatability than CAT 40 at high speeds, with faster tool changes and more consistent runout

Limitations

Premium pricing ($500K-$700K new) puts the a61nx at roughly 30-40% more than comparable Mazak HCN-5000 or Okuma MB-5000HII configurations — you're paying for Makino's spindle and rigidity advantage
650 mm standard Y-axis travel is shorter than competitors (730 mm typical), requiring the tall column option for parts that need more vertical reach, which adds cost
60-tool standard ATC is adequate but doesn't scale to the 200-348 tool capacities offered by Mazak and Okuma without adding external automation
Makino's dealer network is smaller than Mazak or Okuma in some North American regions, which can impact service response time and parts availability
Pro 6 control is Makino-proprietary — shops standardized on Fanuc, Siemens, or MAZATROL will face a learning curve and can't share programs directly

Best For

Aerospace production machining where spindle quality and surface finish consistency directly impact part acceptance rates on tight-tolerance aluminum and titanium components Automotive and powertrain component production where cycle time competitiveness from 1G acceleration and fast tool changes drives per-part cost down Die and mold shops requiring the best possible surface finish from an HMC, reducing or eliminating hand finishing on A-surface cavities High-value component production where the cost of a scrapped part justifies the premium investment in machine accuracy and repeatability Shops running mixed ferrous and non-ferrous materials that need the 303 Nm torque option for steel while retaining 14,000 RPM capability for aluminum Production environments scaling into MMC2 multi-pallet automation for lights-out operation on high-value, tight-tolerance work

Frequently Asked Questions

01 What does a new Makino a61nx cost?

New a61nx machines typically price between $500,000 and $700,000 depending on configuration. The base machine with standard spindle and 60-tool ATC is around $500,000. Adding the 303 Nm torque spindle, tall column, high-pressure coolant, probing, and MMC2 automation pushes toward $700,000+. Used a61nx units from 2013-2020 trade between $175,000 and $400,000. The a51nx (smaller work envelope) offers similar Makino quality at a lower price point.

02 How does the a61nx compare to the Makino A51nx?

The a61nx has more Z-axis travel (800 vs 560 mm), higher pallet load capacity (550 vs 400 kg), and a more powerful spindle (303 Nm vs 240 Nm on upgraded versions). The A51nx has a smaller footprint and lower price. Both share Makino's core-cooled spindle technology and cross-roller guide design. Choose the A51nx for smaller parts where you don't need the extra travel; go a61nx when Z-reach, pallet capacity, or spindle power matter.

03 Why does the a61nx cost more than competing HMCs?

You're paying for Makino's spindle quality (core-cooled, best-in-class thermal stability), cross-roller guides (more rigid than standard linear guides), and overall build quality. Makino machines consistently outperform on surface finish and long-term accuracy retention. For shops where surface finish drives downstream costs (less hand finishing, higher acceptance rates), the premium pays back. For general production work where surface finish isn't critical, a Mazak or Okuma delivers 90% of the capability at 60-70% of the price.

04 What is the MMC2 automation system?

MMC2 (Makino Machining Complex 2) is Makino's multi-pallet automation system that connects one or more HMCs to a linear pallet stocker. It provides pallet queuing, scheduling, and management for lights-out production. Systems typically range from 8 to 60+ pallets with multiple loading stations. The MAS-A5 cell controller software manages job scheduling, tool life, and machine utilization reporting.

05 What's the difference between HSK-A63 and CAT 40?

HSK-A63 is a hollow-taper interface that provides face and taper contact simultaneously, resulting in higher rigidity and better runout consistency than CAT 40's taper-only contact. HSK also has faster tool change times and better performance at high spindle speeds. The tradeoff is higher tooling cost — HSK holders cost roughly 20-30% more than CAT 40. Most shops switching from CAT 40 to HSK see measurable improvements in surface finish and tool life.

06 Can the a61nx handle heavy steel cutting?

Yes, particularly with the 303 Nm torque spindle option. While the HSK-A63 taper doesn't match CAT 50 rigidity for the heaviest roughing, the cross-roller guides and 12,200 kg machine mass provide the structural rigidity to support aggressive steel and cast iron cutting. The a61nx handles mixed-material production better than most 500mm HMCs, though dedicated heavy-metal shops should consider a 630mm CAT 50 machine like the Okuma MA-600HII.