Makino EDNC-8

$280,000 - $380,000 Updated 2026-03-14

Key Specifications

X Travel

500 mm (19.7 in)

Y Travel

400 mm (15.7 in)

Z Travel

350 mm (13.8 in)

Tool Capacity

16, 32

Table Size

700 x 500 mm (27.6 x 19.7 in)

Weight

~7,500 kg (16,535 lb)

Overview

The Makino EDNC-8 is the workhorse of Makino's premium EDNC sinker EDM lineup, offering the sweet spot of travel, power, and precision that production mold and die shops demand. It steps up from the EDNC-6 with a larger work envelope and more powerful generator, making it Makino's most popular EDNC model for medium-to-large cavity work.

Axis travel measures 500 x 400 x 350 mm (19.7 x 15.7 x 13.8 in) on X/Y/Z, a substantial envelope that handles the vast majority of mold cavities encountered in automotive, appliance, and consumer electronics mold making. The worktable accommodates workpieces up to 1,000 kg (2,205 lb), covering standard and oversized mold plates.

The EDNC-8 runs Makino's HS-Rib power supply with up to 60A peak current, delivering fast roughing rates on medium cavities while maintaining the precision finishing capability to achieve VDI 6 (Ra 0.15 µm) mirror finishes. The high-speed switching generator optimizes spark energy to reduce electrode wear by up to 30% compared to conventional power supplies — a significant cost savings when running expensive copper electrodes on production work.

ArcFree technology prevents DC arcs during unattended operation. SGF (Super Geometric Flushing) automatically adjusts flushing strategies based on real-time cavity geometry analysis. The programmable three-sided drop tank measures approximately 900 x 650 x 400 mm internally, with 650 liters of dielectric for excellent thermal stability.

A standard 24-position ATC supports production-grade multi-electrode strategies. The Hyper-i control manages everything from setup through electrode sequencing with an intuitive touchscreen interface. Machine weight is approximately 7,500 kg (16,535 lb). New EDNC-8 machines typically price between $280,000 and $380,000, with used units from 2012-2020 selling between $120,000 and $200,000.

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	220 lbs
Tank Internal Dimensions	900 x 650 x 400 mm (35.4 x 25.6 x 15.7 in)
Dielectric Fluid Volume	650 liters (172 gal)
Generator Current	60A peak (HS-Rib)
Rapid Traverse Rate	197"/min
Atc Capacity	24 positions
Best Surface Finish	VDI 6 (Ra 0.15 µm)
Positioning Accuracy	±0.001 mm (±0.00004 in)
Machine Dimensions	1,900 x 2,900 x 2,700 mm (74.8 x 114.2 x 106.3 in)
Machine Weight	~7,500 kg (16,535 lb)
CNC Control	Makino Hyper-i (touchscreen)
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Metric	English
Maximum Workpiece Weight	6,614 lbs
Tool Capacity	16, 32
Tank Size	55.1" x 35.4" x 19.7"
Max Available Amperage	60A ~ 240A

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

Strengths & Limitations

Strengths

500 x 400 mm X/Y travel handles the majority of medium-to-large mold cavities encountered in automotive and consumer product mold making
60A HS-Rib generator delivers fast roughing while maintaining VDI 6 mirror finish capability — a true production machine
1,000 kg workpiece capacity accommodates standard and oversized mold plates without needing fixtures or workarounds
SGF flushing technology automatically optimizes dielectric flow based on cavity geometry, improving consistency and reducing operator intervention
24-position ATC and ArcFree technology enable confident lights-out production across multi-electrode strategies
HS-Rib generator reduces electrode wear by up to 30%, saving significant tooling costs on high-volume production work
Most popular EDNC model means strong used market, available parts, and experienced service technicians

Limitations

Price tag of $280K-$380K represents a major capital investment that requires production volume to justify
7,500 kg weight requires proper foundation preparation and may need rigging specialists for installation
650 liters of dielectric means longer initial fill and replacement cycles with associated fluid costs
Larger footprint consumes significant floor space that smaller shops may not have available
Service and maintenance costs are higher than EDGE-series machines — budgeting $10K-$15K annually is typical

Best For

Automotive mold shops producing medium-to-large cavity molds for interior panels, bumpers, and lighting components Production mold shops running lights-out sinker EDM operations that demand consistent precision across shifts Die casting mold makers burning deep cavities in H13 and premium hot-work tool steels Appliance and consumer electronics mold shops producing textured and polished cavity molds Large tool and die operations that need a versatile workhorse sinker EDM capable of both roughing and precision finishing Shops with existing Makino EDNC infrastructure looking to add capacity with a proven platform

Frequently Asked Questions

01 What does a Makino EDNC-8 cost?

New Makino EDNC-8 machines typically price between $280,000 and $380,000. Base machines with 24-position ATC and Hyper-i control start around $280,000. Full production configurations with C-axis rotary head, enhanced thermal management, fire suppression, and automation interfaces approach $350,000-$380,000. Used EDNC-8 machines from 2012-2020 sell between $120,000 and $200,000. Due to the EDNC-8's popularity, used units turn over relatively quickly.

02 How does the EDNC-8 compare to the EDNC-6?

The EDNC-8 steps up from the EDNC-6 in travel (500/400/350 mm vs 400/300/300 mm), workpiece capacity (1,000 kg vs 600 kg), generator power (60A vs 50A), and tank volume (650L vs 450L). Both share the same HS-Rib generator technology, ±0.001 mm accuracy, and Hyper-i control. Choose the EDNC-6 for smaller work where you don't need the extra envelope; choose the EDNC-8 when medium-to-large cavities are your bread and butter.

03 What is the electrode wear rate on the EDNC-8?

Electrode wear on the EDNC-8 varies with material and parameters. The HS-Rib generator typically achieves wear ratios of 0.1-0.3% with copper electrodes on steel (meaning 0.1-0.3% of electrode volume is consumed per unit of workpiece material removed). Graphite wear ratios range from 0.5-2.0%. The HS-Rib technology reduces wear by up to 30% compared to conventional generators through optimized spark energy distribution.

04 Can the EDNC-8 be integrated into a robotic cell?

Yes, the EDNC-8 is commonly deployed in robotic automation cells. Makino offers the machine as part of configured cells with robotic electrode and workpiece handling. The programmable drop tank, automatic door, and Hyper-i control's cell communication capabilities make integration straightforward. Many shops pair the EDNC-8 with Erowa or System 3R tooling systems for automated electrode and pallet management.

05 How does the EDNC-8 compare to the Sodick AQ75L?

Both are premium production sinker EDMs targeting the same market. The Sodick AQ75L uses linear motor drives for superior dynamic response, while the EDNC-8 relies on precision ballscrew drives. The Makino's SGF flushing and HS-Rib generator are competitive strengths, while the Sodick's LN2W power supply excels at ultra-fine finishes. Both achieve similar accuracy and finish quality. Price points are comparable. The decision often hinges on dealer support, existing tooling ecosystem, and operator familiarity.