EA12ST Advance Sinker EDM

Combines the benefits of the highly versatile, productive and cost-effective EA12S with a larger fixed working tank for larger parts.

The Mitsubishi EA-S series represents over 50 years of continuous innovation in sinker EDM technology from one of the most well-recognized industrial machining brands in the world. The latest addition to the EA-S series, the Mitsubishi EA12ST Advance,has all the same great features as the EA12S Advance but offers a larger fixed work tank to better accommodate a rotary table or larger work piece.


  • Highly durable components keep maintenance costs in their place while meeting project requirements.


  • On-board automation, easy-access part design, and useful user interfaces make this machine easy to set up and run.


  • Designed to help you stay productive and profitable with components engineered to lower resource and energy consumption.


  • FP80S energy-saving power supply achieves 20% less electricity consumption compared to previous models
  • IDPM “Intelligent Digital Power Master” adaptive control reduces downtime and minimizes maintenance and part replacement costs by creating 40% less electrode wear
  • SS Jump 5 system grants users greater acceleration control to stabilize high-speed no-flush burning
  • Can produce a variety of finishes, including:
    • Fine matte finishes with the PS circuit
    • Super-low wear with the SC circuit
  • Fuzzy Pro Plus enables greater hands-off operation for better usability


  • FP80S power supply (provides 80 peak AMPs)
  • Compact, highly rigid machine design
  • Fixed table traveling column construction
  • Direct drive AC smart servo system
  • 3D lateral servo system
  • Oversized fixed tank with manual drop door worktank access
  • Narrow gap circuit
  • Easy-access filter system with two filter elements
  • Dielectric fluid emission


  • FP120S power supply (provides 120 peak AMPs)


  • Automatic lubrication system


  • M700 series CNC control with 15” touchscreen


  • 40GB hard drive with a 1GB partition for user program storage
  • S.P.E.R. Advance program support functions
  • IDPM “Intelligent Digital Power Master” adaptive control


  • Full 2-year warranty with Triple Diamond Partnership Program
  • remote360-enabled (remote user monitoring, diagnostics, service support, and more)
  • Comes with one complimentary preventative maintenance visit—to be used by the end of 1styear


Machine Travels: X x Y x Z in (mm) 15.7 x 11.8 x 11.8 (400 x 300 x 300)
Maximum Work piece Size:W x D x H in (mm) 35.4 x 25.6 x 13.8 (900 x 650 x 350)
Max. Dielectric Fluid Level: in (mm) 7.1 ~ 15.7 (180 ~ 400)
Power Supply (Option) / Peak Current FP80PS / 80 AMPs (FP120PS / 120 AMPs)
Internal Worktank Dimensions: W x D x H in (mm) 41.3 x 27.5 x 17.7 (1,050 x 700 x 450)
Work tank / Door Type Fixed Tank / Manual Drop Door
Max. Workpiece Weight: lb (kg) 2,200 (1,000)
Table Dimensions: W x D in (mm) 27.6 x 19.7 (700 x 500)
Max. Electrode Weight: lb (kg) 110 (50)
Table to Platen Distance Min.~ Max.: in (mm) 11.8 ~ 23.6 (300 ~ 600)
Table to C Axis Chuck Distance Min.~ Max.: in (mm) 11.8 ~ 23.6 (300 ~ 600) EROWA ITS Chuck
Table to C Axis Chuck Distance Min.~ Max.: in (mm) 11.1 ~ 22.9 (283 ~ 583) 3R MACRO Chuck
Minimum Command Unit / Resolution: in (mm) .00001 / .000002 (.0001 / .00005)
Rapid Travel Speed: in/min. (m/min.) 78.7 (2)
High-Speed Jump Maximum: in/min. (m/min.)[G] 590 (15)[0.6]
Filters / Type 2 pc. / Paper Cartridge
Filter Tank Capacity: gal (L) 145 (550)
Machine System Dimensions:W x D in (mm) 87.2 x 82.7 (2,215 x 2,100)
Machine Installed Height: in (mm) 94.5 (2,400)
Machine System Weight: lb (kg) 7,495 (3,400)
C Axis Min. Indexing Angle / Drive Unit 0.001 ̊/ 0.001 ̊
C Axis RPM Range 1 to 30
Fluid Temp. Control Chiller Standard
Automatic Tool Changer Options Shuttle 4 pos MACRO, 7 pos Combi, MVH-20, MVH-40
Power Requirements [KVA] 200/220 VAC ±5% [7 w FP80S, 10 w FP120S]
Compressed Air Requirements 2.7 cu.ft./min.@ 90-100 ps