Okuma MF-46V
Key Specifications
X Travel
Y Travel
Z Travel
Max Spindle
Spindle Taper
Tool Capacity
Overview
The Okuma MF-46V is a versatile vertical machining center that blends elements from both the compact MB series and the production-oriented GENOS line. With 760 x 560 x 460 mm (29.9 x 22.0 x 18.1 in) of travel, it offers more Y-axis reach than the MB-46V while maintaining a compact footprint that fits in space-constrained shops.
The standard spindle delivers 8,000 RPM with 11/7.5 kW (15/10 hp) through a BT 40 taper, with high-speed options reaching 15,000, 20,000, 25,000, and 35,000 RPM. This spindle flexibility makes the MF-46V a genuine multi-purpose platform: configure it with 8K RPM for heavy steel work, 15K for mixed materials, or 25K+ for high-speed graphite and aluminum finishing.
The MF-46V uses a hybrid construction approach with precision-ground guideways that provide good vibration damping while maintaining faster axis response than pure box-way machines. This positions it between the full box-way MB series and the roller-guide GENOS line in terms of both performance characteristics and price.
The 760 x 460 mm (29.9 x 18.1 in) table matches the MB-46V's table size, and the 20-tool ATC expands to 32, 48, or 98 tools. Okuma's Thermo-Friendly Concept is standard, and the OSP-P300A control provides conversational programming, G-code support, and Collision Avoidance System.
The MF-46V is often selected by shops that want the Y-axis reach for wider parts or offset fixturing but don't need the full 1,050 mm X-travel of the MB-56V. The extra 100 mm of Y over the MB-46V opens up multi-vise setups and wider fixture plates.
New MF-46V machines run $100,000-$130,000, positioning them between the GENOS M460-VE and the MB-46V II in Okuma's lineup. Direct competitors include the Haas VF-2, Mazak VCN-430A, and Doosan DNM 4500.
Full Specifications
| Parameter | Value |
|---|---|
| X-Axis Travel | 760 mm (29.9 in) |
| Y-Axis Travel | 560 mm (22.0 in) |
| Z-Axis Travel | 460 mm (18.1 in) |
| Max Spindle Speed | min⁻¹ |
| Spindle Taper | BT 40 |
| Spindle Motor Power | kW |
| Tool Capacity | 20 (standard); 32, 48, or 98 optional |
| Table Size | 760 x 460 |
| Max Table Load | 500 kg (1,102 lb) |
| Rapid Traverse Rate | 36 m/min (X/Y); 28 m/min (Z) |
| Positioning Accuracy | ±0.004 mm |
| Repeatability | ±0.002 mm |
| Machine Weight | 5,200 kg (11,464 lb) |
| CNC Control | OSP-P300A |
| Guide Type | Precision-ground guideways |
| Max Machining Volume | 762 x 460 x 460 |
| Rapid Traverse X Y Z | 40 / 32 |
| Magazine Capacity | 20 [32, 48] |
| Feature | Details |
| Built In2 Pallet Apc | Pallet size: 760mm x 460mm (29.92 in x 18.11 in) |
| Okuma Ospcnc Control | As a single-source provider of machine and control, Okuma’s OSP control hasan open-architecture operating system that gives ultimate flexibility and control. |
| Wide Range15k Spindle | 15K RPM, 30HP, 147 ft-lb torque.The CAT40 BIG-PLUS® spindle enhances stability, performance, and tool lifewhile ensuring heavy cuts are obtainable. |
| 48 Tool Magazine | A 48-tool front-access tool changer is strategically located for easy access, evenwhile the machine is running. |
| Tool Breakagedetection | Tool breakage detection and auto tool compensation check the integrity of toolsto maintain high-quality parts and less scrap generation. |
| Twin Augerchip Evacuation | Twin augers remove chips from the machine tool quickly to guarantee uptimein high-production, automated environments. |
| Okuma Global Repair Center | Charlotte, North Carolina |
| Inches | Metric |
| Spindle Speed | 6,000 [12,000] |
| Spindle Motor Power | 11/7.5 |
Specifications sourced from okuma.com — verified 2026-03-28
Strengths & Limitations
Strengths
- 560 mm Y-travel provides 100 mm more reach than the MB-46V for wider parts and multi-vise setups
- Full range of spindle options from 8K to 35K RPM covers all material and finishing requirements
- Precision-ground guideways balance vibration damping and axis speed between box ways and roller guides
- Compact footprint fits space-constrained shops while offering meaningful Y-axis capability
- Thermo-Friendly Concept standard maintains accuracy through temperature variations
- Expandable tool magazine from 20 to 98 tools adapts to growing shop complexity
- Price positioned between value-line GENOS and premium MB, offering a middle-ground option
Limitations
- 760 mm X-travel may limit workpiece size for shops regularly running parts over 500 mm long
- Guideway construction doesn't match pure box-way damping of the MB series for heavy interrupted cuts
- Standard 8K RPM spindle needs upgrading for shops with significant aluminum work
- 20-tool standard magazine requires upgrade for shops running complex multi-tool programs
- Less well-known than the MB and GENOS lines, making resale value harder to predict
Best For
Frequently Asked Questions
01
New MF-46V machines run $100,000-$130,000. The base machine with 8K RPM spindle and 20-tool ATC starts around $100K. High-speed spindles, expanded magazines, and through-spindle coolant push toward $130K. Used units are less common but appear in the $55,000-$75,000 range.
02
The MF-46V has more Y-travel (560 vs 460 mm) and more X-travel (760 vs 560 mm) but uses precision-ground guideways instead of hand-scraped box ways. The MB-46V II provides better vibration damping for heavy cuts in hardened steel. The MF-46V offers a larger work envelope with good-but-not-supreme damping at a slightly lower price point.
03
Yes, particularly for small-to-medium production runs. The APC option enables pallet changing for higher spindle utilization. The Thermo-Friendly Concept maintains accuracy across shifts. For high-volume production, the GENOS M series with its higher rapid rates may be more cycle-time efficient.
04
The 560 mm Y-travel allows wider parts, offset vise positioning, and multi-row fixture setups that a 460 mm Y machine cannot accommodate. It's particularly valuable for shops running dual-vise setups side by side or wide fixture plates with multiple parts per load.
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