Makino EDBV3
Key Specifications
X Travel
Y Travel
Z Travel
Tool Capacity
Table Size
Weight
Overview
The Makino EDBV3 is a mid-size sinker EDM from Makino's production-oriented EDM lineup, designed for shops that need reliable, repeatable cavity burning for die and mold applications at moderate volume. The EDBV series positions below the precision-focused EDAF series in Makino's hierarchy, offering solid burning capability at a more accessible price point.
Axis travel measures 350 x 250 x 300 mm (13.8 x 9.8 x 11.8 in) on X/Y/Z, matching the EDAF2's X/Y envelope but adding 50 mm more Z-stroke for deeper cavity work. The 500 x 350 mm (19.7 x 13.8 in) worktable handles up to 500 kg (1,102 lb). The three-sided programmable drop tank provides unrestricted workpiece access for setup and automation integration.
The machine uses Makino's proven spark technology with an NC power supply delivering 30A peak current, providing productive roughing and quality finishing for die/mold cavities. ArcFree technology monitors the gap and prevents destructive DC arcs. The standard 16-position ATC supports multi-electrode strategies for unattended operation, and the optional C-axis head enables orbital burning.
The EDBV3 runs on Makino's Hyper-i touchscreen control with guided setup that simplifies burn programming. The control builds appropriate technology settings from the operator's description of the workpiece material, electrode material, and target surface finish. Rapid traverse runs at 5,000 mm/min (197 ipm) on all axes.
Integral thermal cooling of the Y- and Z-axis castings helps maintain dimensional stability during extended burns. Machine weight is approximately 4,000 kg (8,818 lb). The EDBV3 sits in a competitive segment against the Sodick AG40L, Mitsubishi EA8V Advance, and GF Machining Solutions FORM E 350. New pricing typically ranges from $85,000 to $135,000.
Full Specifications
| Parameter | Value |
|---|---|
| X-Axis Travel | 350 mm (13.8 in) |
| Y-Axis Travel | 250 mm (9.8 in) |
| Z-Axis Travel | 300 mm (11.8 in) |
| Table Size | 500 x 350 mm (19.7 x 13.8 in) |
| Max Workpiece Weight | 500 kg (1,102 lb) |
| Max Electrode Weight | 50 kg (110 lb) |
| Tank Internal Dimensions | 650 x 500 x 350 mm (25.6 x 19.7 x 13.8 in) |
| Dielectric Fluid Volume | 300 liters (79 gal) |
| Nc Power Supply | 30A peak |
| Rapid Traverse Rate | 197"/min |
| Atc Capacity | 16 positions |
| C Axis Speed | 1,000 RPM (optional) |
| Machine Weight | ~4,000 kg (8,818 lb) |
| CNC Control | Makino Hyper-i (touchscreen) |
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| Metric | English |
| Maximum Workpiece Weight | 11 lb (33 lb optional) Rotary Table |
| Tool Capacity | 24 |
| Tank Size | 31.1" x 24.1" |
Specifications sourced from makino.com — verified 2026-03-28
Strengths & Limitations
Strengths
- 300 mm Z-axis travel provides more depth capacity than the EDAF2's 250 mm, useful for deeper cavity burning applications
- Accessible price point ($85K-$135K) brings Makino sinker EDM technology within reach of smaller die/mold shops
- Hyper-i touchscreen control with guided setup reduces operator training time and minimizes burn programming errors
- ArcFree technology protects cavity surfaces during unattended burns, reducing scrap from DC arc damage
- 16-position ATC supports lights-out multi-electrode operation for overnight production
- Integral thermal cooling of Y/Z castings maintains accuracy during extended burn cycles
Limitations
- 350 x 250 mm X/Y travel limits the machine to small-to-medium cavities — larger work requires the EDBV8 or EDAF3
- 30A peak current is adequate but not optimal for heavy roughing of large cavities where higher power accelerates material removal
- EDBV series lacks some of the advanced finishing technologies found in the premium EDAF series (HyperCut, SuperSpark IV)
- Best accuracy still requires climate-controlled environment, same as all precision sinker EDMs
- Makino's service network may have longer response times than Sodick or Mitsubishi in some regions
Best For
Frequently Asked Questions
01
New EDBV3 machines typically price between $85,000 and $135,000 depending on configuration. Adding the C-axis head, extended ATC, and advanced filtration pushes toward the upper end. Used EDBV3 machines from 2013-2019 trade between $30,000 and $55,000.
02
The EDAF2 is positioned as the premium option with HyperCut technology, SuperSpark IV power supply, and more refined finishing capability. The EDBV3 offers similar travel and table capacity at a lower price point, with 50 mm more Z-stroke (300 vs 250 mm). The EDAF2 delivers superior surface finish consistency and lower electrode wear on demanding finish work. Choose the EDBV3 for general-purpose burning; choose the EDAF2 for the best possible finish quality.
03
The EDBV8 is the larger machine in the EDBV series, offering significantly more travel (500 x 400 x 350 mm), a bigger table (700 x 500 mm), and higher workpiece capacity (1,000 kg). The EDBV8 also has a more powerful 50A power supply for faster roughing. Choose the EDBV3 for small-to-medium work; choose the EDBV8 when your cavities exceed the EDBV3's envelope.
04
Yes, the three-sided programmable drop tank and 16-position ATC make the EDBV3 automation-ready. It integrates with Erowa and System 3R palletization systems for robotic electrode loading. The Hyper-i control manages electrode sequencing and burn scheduling for unattended operation.
05
The EDBV3 achieves VDI 12-15 (approximately 0.6-1.2 um Ra) for standard die/mold finishing work. With fine-finish parameters and appropriate electrode selection, finishes down to VDI 10 (0.4 um Ra) are achievable. For finishes below VDI 10, the EDAF series with HyperCut technology is recommended.
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