Makino EDBV8
Key Specifications
X Travel
Y Travel
Z Travel
Tool Capacity
Table Size
Weight
Overview
The Makino EDBV8 is the large-capacity machine in Makino's production-oriented sinker EDM series, built for shops burning medium-to-large cavities in injection molds, stamping dies, and forging dies. It delivers the travel, table capacity, and power that the compact EDBV3 cannot, while maintaining the Hyper-i control experience and Makino's core EDM technologies.
Axis travel measures 500 x 400 x 350 mm (19.7 x 15.7 x 13.8 in) on X/Y/Z — a substantial step up from the EDBV3 that opens up medium-to-large die/mold work. The 700 x 500 mm (27.6 x 19.7 in) worktable handles workpieces up to 1,000 kg (2,205 lb), accommodating the large mold plates and die blocks common in automotive and appliance tooling. The three-sided programmable drop tank (900 x 700 x 400 mm internal) provides unrestricted access for large workpiece loading.
The NC power supply delivers 50A peak current — 67% more than the EDBV3's 30A — enabling significantly faster roughing in large cavities. This power level supports aggressive material removal with large-area electrodes, reducing roughing cycle times on big cavities. ArcFree technology monitors the spark gap to prevent destructive DC arcs during both attended and unattended operation.
The standard 16-position ATC handles multi-electrode sequences for complete cavity processing from rough to finish. The optional C-axis head (1,000 RPM) enables orbital burning for improved flushing and surface finish in deep cavities. Integral thermal cooling of the machine structure maintains dimensional stability during the long burn cycles (8-20+ hours) common on large cavity work.
The Hyper-i touchscreen control provides the same guided setup and intuitive burn programming as smaller Makino sinker EDMs. Rapid traverse runs at 5,000 mm/min (197 ipm). Machine weight is approximately 6,500 kg (14,330 lb). The EDBV8 competes with the Sodick AQ55L, Mitsubishi EA12V Advance, and GF Machining Solutions FORM E 600 in the large sinker EDM segment. New pricing typically ranges from $130,000 to $195,000.
Full Specifications
| Parameter | Value |
|---|---|
| X-Axis Travel | 500 mm (19.7 in) |
| Y-Axis Travel | 400 mm (15.7 in) |
| Z-Axis Travel | 350 mm (13.8 in) |
| Table Size | 700 x 500 mm (27.6 x 19.7 in) |
| Max Workpiece Weight | 1,000 kg (2,205 lb) |
| Max Electrode Weight | 100 kg (220 lb) |
| Tank Internal Dimensions | 900 x 700 x 400 mm (35.4 x 27.6 x 15.7 in) |
| Dielectric Fluid Volume | 500 liters (132 gal) |
| Nc Power Supply | 50A peak |
| Rapid Traverse Rate | 197"/min |
| Atc Capacity | 16 positions |
| C Axis Speed | 1,000 RPM (optional) |
| Machine Weight | ~6,500 kg (14,330 lb) |
| CNC Control | Makino Hyper-i (touchscreen) |
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| Metric | English |
| Maximum Workpiece Weight | 110 lbs (330 lbs. Opt) Rotary Table |
| Tool Capacity | 24 |
| Tank Size | 55.1" x 41.3" |
Specifications sourced from makino.com — verified 2026-03-28
Strengths & Limitations
Strengths
- 500 x 400 mm travel with 1,000 kg table capacity handles medium-to-large mold plates and die blocks for automotive and appliance tooling
- 50A peak current enables fast roughing with large-area electrodes, significantly reducing cycle times on big cavities compared to 30A machines
- Large drop tank (900 x 700 x 400 mm) provides unrestricted access for loading heavy workpieces and integrating automation
- ArcFree technology protects large cavity surfaces during extended unattended burns lasting 8-20+ hours
- Hyper-i control provides consistent user experience for shops that also run EDBV3, EDAC1, or EDAF-series machines
- Integral thermal cooling maintains dimensional stability during the long burn cycles typical of large cavity work
Limitations
- EDBV series lacks the HyperCut and SuperSpark IV technologies found in the premium EDAF series, limiting ultimate finish quality
- At 6,500 kg and with a large drop tank, floor space requirements and rigging costs are significant
- 50A power supply, while powerful, may still be insufficient for the fastest roughing of very large cavities where 80A+ supplies are preferred
- Premium Makino pricing puts the EDBV8 above some competing large sinker EDMs from Sodick and CHMER
- 16-position ATC may need upgrading for complex multi-cavity jobs requiring more than 16 electrodes
Best For
Frequently Asked Questions
01
New EDBV8 machines typically price between $130,000 and $195,000 depending on configuration. Adding the C-axis head, extended ATC, and high-capacity filtration pushes toward the upper end. Used EDBV8 machines from 2013-2019 trade between $45,000 and $90,000.
02
The EDAF3 has slightly less X/Y travel (450/350 vs 500/400 mm) but includes HyperCut technology, SuperSpark IV, and more refined finishing capabilities. The EDAF3 delivers better surface finishes and lower electrode wear on demanding finish work. The EDBV8 offers more travel and a more powerful 50A supply (vs 40A) at a lower price point. Choose the EDAF3 for the best finish quality; choose the EDBV8 for maximum travel and roughing power at a more accessible price.
03
Yes, the large three-sided drop tank and 16-position ATC make the EDBV8 well-suited for automated operation. The tank provides clear access for robotic electrode and workpiece loading. The Hyper-i control manages electrode sequencing, burn scheduling, and can interface with cell controllers for multi-machine automated cells.
04
The EDBV8 achieves VDI 12-18 (approximately 0.6-1.8 um Ra) for standard die/mold work. With fine-finish parameters and appropriate electrode selection, VDI 10-12 (0.4-0.6 um Ra) is achievable. For mirror-quality finishes below VDI 10, the EDAF series with HyperCut technology is recommended.
05
The EDBV8's dielectric system holds approximately 500 liters (132 gallons) in the integrated reservoir. The larger volume provides better thermal mass for temperature stability during long burns and extends the interval between filter changes. Regular dielectric maintenance — filtration, decontamination, and occasional replacement — is critical for consistent burn quality.
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