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Milestones in the history of Mitsubishi Electric EDM systems.

Mitsubishi Electric EDM History



More than 30 years ago now MITSUBISHI ELECTRIC presented the first electro-erosive processing machine (EDM). Today, this know-how, acquired over many decades and combined with intensive research work, is still a decisive criterium when developing new EDM systems. Production also has an important status at Mitsubishi Electric. With a view to meeting the high technical demands, production is carried out in the most modern manufacturing plants under stringent quality controls.

The result is an extensive programme of beneficial and convincing EDM systems in terms of speed, precision and reliability.



Milestones in the history of Mitsubishi Electric EDM systems

  • 1952
    First scientific experiment on the industrial utilization of electroerosion in the main research laboratory at
    Mitsubishi Electric
  • 1957
    Delivery of the first prototype of an EDM system based on the method of high frequency and high capacitor. 
  • 1961
    Production of the first electrochemical ECM machining systems. 
  • 1963
    The first electro-erosive EDM systems come off the conveyor belt 
  • 1964
    Development of elecrode-sparing power supply with semiconductor technology (thyristors) 
  • 1967
    Development and sale of the first full transistor-pulsed power supply DE 90T Maturity of series of the first hydraulic, servo-controlled machine units; Beginning of series production
  • 1968
    Development of the multi-power system, of OPTIMIZER control, large EDM systems and an NC controlled machine
  • 1972
    Development and sale of power supply for EP series and machines for N series. 
    Presentation of NC /EDM systems DAC, wire-cut machine DWC and EDM systems DKP for precision tools at the 6th international machine tool fair in Japan.

  • 1973
    Introduction of the EDM system DM-2000 N, production of the major EDM system DM-6000 N as well as the group-controlled EDM systems 
  • 1974
    Presentation of the "Informater" systems with automatic sensor for machining conditions and EDM wire-cut machine DWC controlled by minicomputer at the 7th international machine tool fair in Japan. 
  • 1976
    Development and sale of machine types from the DK series 
  • 1977
    Sale of the first OPM machines with automatic sensor for machining conditions, programme-controlled machining and repeat machining Presentation of a machine for tapering with angles up to 5°. 
  • 1978
    Supply of a machine for the so-called ROLLDULL-, i.e. electro-erosive metal machining for rolling mills 
    Sale of the first high-speed machine, type SU, for faster machining, but maintaining high precision and surface quality 
    Presentation of the wire-cut machines DWC80 and DWC100 with more sophisticated control systems at the international machine tool fair in Chicago. 
  • 1979
    Completion of NC/EDM systems of the YD series 
  • 1980
    Initial sale of the wire-cut machine series N, types DWC70, 90, 110 and 200 
  • 1981
    Automatic wire feed machines are developed and offered. Sale and distribution of standard and NC-controlled EDM systems with direct drive. 
  • 1982
    Initial sale of high-speed / high-precision wire EDM machines of the F series with machining speeds of up to 110 mm2/min and a surface roughness of 2 µm Rmax 
    NC/EDM systems of C6 series with 14" CRT colour screen come off the conveyor belt. 
    Completion of data input systems as programming aid in simple and flexible design. 
  • 1983
    Sale of the first high-speed/high-precision wire EDM machines of the F1 series with machining speeds of up to 200 mm2/min and a surface roughness of 2 µm Rmax 
    Development of the interactive control unit C6 
    Exploration and construction of a CAD/CAM system for tools 
  • 1984
    First practical implementation of EDM machines of the G series with 14,5" colour screen 
    Construction of the first EMD ultra high-precision machine M30P 
    The 10,000th EDM system comes off the conveyor belt 
  • 1985
    The high-speed wire-cut machines (EDM) of the H series are launched on to the market 
    Machining speeds of up to 250 mm2/min, surface roughnesses of 0.5 µm/Rmax 
    The model M65 is added to the M series of the EDM systems. 
  • 1986
    Delivery of the first CNC machines of the K series with new power supply, worldwide patented inclination control system and extremely low wear and tear of electrodes. 
    Development of the interactive, flexible and automatic programming system (FAP) for C4 and C7 control units. 
  • 1987
    Sale of the new compact wire-cut machines of the multi-functional series with particularly favourable cost-performance ratio. 
  • 1988
    Expansion of the H wire cut machine series by the major system DWC400H. Type M115KC7 added to the K series.
  • 1989
    Addition to the J and KS series, and type 110C added to the C series of wire-cut EDM systems 
  • 1990
    Sale of HA wire-cut EDM series with 32 bit CNC 
    The 20,000th EDM system comes off the conveyor belt. 
  • 1991
    Since 1st April MITSUBISHI ELECTRIC has its own sales, marketing and service organization in Ratingen. 
    Presentation of the first water bath machine DWC110SZ at the EMO in Paris. 
  • 1992
    Introduction of Fuzzy Logic Control system, developed in MITSUBISHI ELECTRIC's main laboratory 
  • 1994
    Presentation of the first HSS-AE anti-electrolysis generator in the world 
    Sale of the wire-cut EDM systems of the SX series 
  • 1995
    Sale of the wire-cut EDM system CX20
  • 1996
    Presentation and sale of the new FX series with new revolutionary construction principle (fixed table/column movement principle) of the wire-cut EDM systems and EX series with Fuzzy Logic for diesinking EDM systems. 
    Installation of the 30,000th EDM system 
  • 1997
    New business sector CONSUMABLE-LINE (parts and accessories) for wire-cut and diesinking EDM systems 
  • 1998
    Presentation at METAV 98 and sale of ULTRA PRECISION LINE PX05 for microtechnology in wire-cut by EDM and introduction of HSF technology (High-speed finishing) in diesinking EDM 
  • 1999
    Presentation of the new 64 bit CNC-PC control system for EDM system during EMO in Paris. Sale of the new machine generation in wire-cut EDM for precision technology the QA series 
    Sale of the new EA8 in diesinking EDM and RA9 in wire-cut EDM. 
    New business line second-hand machines EDMShop (purchase and sale of EDM systems of all makes) 
  • 2000
    Inroduction of FA-Series. The wire erosion system for the universal use. Start of new generation and quality of customer support by using Teleservice and Telecontrol. 
  • 2001
    Presentation of the die sinking system MA2000 during the EMO show at Hannover. The multidimensional electric discharge machine for micro erosion.
  • 2002
    Market introduction fof the FA-P series during the AMB show at Stuttgart. Wire erosion systems for precison equipped with the unique Hybrid-Pack. 
  • 2003
    Presentation of the FA-V serie during our Open House ath the Technology Center Stuttgart. The world fastest wire erosion system with a cutting speed > 500mmm²/min. 
  • 2004
    Presentation of the PA series during the AMB 2004. The wire cut EDM series for High Precision tool maker f.e. medicine and clock industry. 
    European premiere of the FA-S series during the AMB 2004 at Stuttgart. The wire cut EDM series of the extra class for the Precision tool- and mould maker.
  • 2005
    Europe debut of the series FA-VS to the EMO 2005. The wire cut system which unites the advantages of the highest productivity with a high degree of precision.
    Introduction of the " Digitally FS " - the new dimension to the production of the finest surface goodnesses.
  • 2006
    Resumption of the direct sale of die sinking machines in Europe. Conception of the die sinking system EA12-V - FP80V with lowerable work container and special suitability for eroding tungsten carbide.
  • 2007
    Extension of the product portfolio around a wire erosion machine for "parts production" - introduction of the BA8. The efficiency of the standard machines FA-
    S series by introduction of the digital fine simple generator D-FS clearly one extends. To the EMO 2007 the new wire erosion systems FA-S Advance series are introduced. The new machines are equipped with the Advance control of the newest generation, into which a 3D-CAD/CAM system was integrated.
  • 2008
    The machines FA10-S Advance and FA20-S Advance, which are successfully established in the market in 2007, are "completed" with the FA30-S Advance. The FA-S Advance achieved outstanding results accurately, not only under laboratory conditions, but in the everyday work. This is, finally, the decisive criterion.
  • 2009
    Presentation of NA Essence Wire Cut EDM series in Europe during an event in the Wind tunnel building of BMW Sauber F1 in Switzerland. The Wire Cut EDM systems are equipped with fast-response tubular direct drives. They have been developed to fulfil highest requirements for tool building as well as in production.
  • 2010
    Extension of the product portfolio die sinking with the EA28V Advance, the "big sister" of the establised EA12V Advance.
  • 2011
    Presentation of the High-precision die sinking systems EA8PV Advance as well as developed further FA-S Advance-wire cut system on the EMO. 
    Introduction of the modern remote control and maintenance system "mcAnywhere". 
    Energy and resources-saving "the EcoTechnology" are used now company-wide in all product ranges.
  • 2012
    Presentation of the new Wire Cut EDM series MV. Equipped with tubular direct drives, a new automatic wire feeder and most modern technology, the MV series is the new benchmark.
  • 2013
    Presentation of the "Diamond Cell", a fully automated production cell for grinding wheel profiling, based on the Wire Cut EDM system MV1200R.

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