Mitsubishi Electric Sinker EDM (Ram EDM)

Mitsubishi Electric EA12 ADV

Est. $120,000 - $200,000 Possible older model Specs verified 2026-03-28 · machinio.com Updated 2026-10-03

This model was not found in Mitsubishi Electric's current lineup when we checked on 2026-10-03 (lineup page). It may be a superseded or older model; the specifications below are as we last recorded them.

Key Specifications

X Travel

350 mm

Y Travel

250 mm

Z Travel

300 mm

Table Size

600 mm × 450 mm

max workpiece weight

600 kg

generator amperage

64 A peak (MGF transistor generator)

How much does the Mitsubishi Electric EA12 ADV cost?

Estimated price range

Est.$120,000 - $200,000

Our best estimate for a sinker edm (ram edm) in this class — not a quote from Mitsubishi Electric. Configuration moves it a long way.

Overview

The Mitsubishi Electric EA12 ADV is listed as a sinker EDM with travels of 350 mm in X, 250 mm in Y and 300 mm in Z over a 600 mm × 450 mm table. It is not in Mitsubishi Electric's current lineup, so the listed figures are a guide for checking an existing machine, not a manufacturer's data sheet.

The table is the generous part of the machine. At 600 mm × 450 mm it is considerably larger than the X-Y travel, and it takes workpieces up to 600 kg, so a mold plate can overhang the working zone as long as the features to be burned sit inside 350 mm by 250 mm. The 300 mm of Z is long relative to X and Y, which leaves room for tall electrodes and deep ribs.

Generator output is listed as 64 A peak from an MGF transistor generator, and the finishing figure is Ra 0.2 µm in what the table calls SG fine-finish mode. Dielectric is oil, the control is a Mitsubishi Electric M800 EDM CNC, and machine weight is approx. 4,500 kg. The power requirement row in the listed figures is not usable, so take the electrical supply from the machine's nameplate.

Names in this family are easy to confuse. The EA12 Advance is a different and larger machine, with 600 mm (23.6 in) of X travel, 400 mm (15.75 in) of Y, 350 mm (13.8 in) of Z and a weight of 7,500 kg (16,535 lb).

Full Specifications

Parameter	Value
X-Axis Travel	350 mm
Y-Axis Travel	250 mm
Z-Axis Travel	300 mm
Table Size	600 mm × 450 mm
Max Workpiece Weight	600 kg
Generator Amperage	64 A peak (MGF transistor generator)
Surface Finish	Ra 0.2 µm (SG fine-finish mode)
Dielectric	Dielectric oil
CNC Control	Mitsubishi Electric M800 EDM CNC
Machine Weight	Approx. 4,500 kg

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

Strengths & Limitations

Strengths

600 mm × 450 mm table and a 600 kg workpiece limit on a machine of approx. 4,500 kg
300 mm of Z travel, more than the 250 mm of Y
64 A peak from the MGF transistor generator
Ra 0.2 µm listed in SG fine-finish mode

Limitations

X-Y travel of 350 mm by 250 mm is well inside the 600 mm × 450 mm table, so large plates need repositioning to reach every feature
No electrode weight, electrode changer or C-axis appears in the listed figures
Smaller than the EA12 Advance, which has 600 mm (23.6 in) of X travel and 400 mm (15.75 in) of Y

Best For

Mold inserts and cavities within 350 mm by 250 mm Deep features that need the 300 mm Z travel Fine finishing to Ra 0.2 µm in SG fine-finish mode Plates up to 600 kg on the 600 mm × 450 mm table

Frequently Asked Questions

01 What are the travels of the EA12 ADV?

The listed travels are 350 mm in X, 250 mm in Y and 300 mm in Z. The table measures 600 mm × 450 mm, so it is larger than the area the electrode can reach, and the maximum workpiece weight is 600 kg.

02 Is the EA12 ADV the same machine as the EA12 Advance?

Not on the listed figures. The EA12 ADV has travels of 350 mm, 250 mm and 300 mm and weighs approx. 4,500 kg. The EA12 Advance has 600 mm (23.6 in), 400 mm (15.75 in) and 350 mm (13.8 in) of travel and weighs 7,500 kg (16,535 lb). Check the nameplate and measure the travels of any machine offered under either name.

03 What generator and finish are listed for the EA12 ADV?

An MGF transistor generator with 64 A peak, and a surface finish of Ra 0.2 µm in SG fine-finish mode. The dielectric is oil and the control is a Mitsubishi Electric M800 EDM CNC.

04 How heavy a workpiece can the EA12 ADV take?

Up to 600 kg on the 600 mm × 450 mm table. The machine itself weighs approx. 4,500 kg. No electrode weight limit is given in the listed figures, so confirm it before planning large graphite electrodes.