1999 Mitsubishi FX20K

Manufacturer: Mitsubishi

Model:  FX20K

Type: Wire EDM machine (Wire erosion)

Year of Manufacture: 1999

Workpiece and Table Specifications

• Maximum workpiece size (W x D x H): 1,050 x 800 x 295 mm
• Maximum workpiece weight: 800 kg
• Table dimensions: 780 x 630 mm
• Axis travel (X / Y / Z): 500 x 350 x 300 mm
• Maximum table feed rate: 1,300 mm/min

Wire and Cutting Specifications

• Wire diameter: 0.2 to 0.3 mm
• Maximum wire feed rate: 250 mm/sec
• Wire tension: 2 to 25 N

Machine Dimensions and Weight

• Overall machine dimensions (W x D x H): 1,810 x 2,310 x 2,050 mm
• Machine weight: 2,550 kg

Filter System

• Tank capacity: 635 litres
• Filter flow rate: 30 l/min
• Filter fineness: 3 micrometres
• Filtration: Paper filter (2 units)
• Conductivity control: 0.5 to 100 x 10 ohm/cm
• Filter unit dimensions (W x D x H): 800 x 1,700 x 1,720 mm
• Filter unit weight (empty): 230 kg

Generator Unit

• Power unit type: Transistor stage
• Maximum working current: 50 A
• No-load voltage settings: 16
• Working current settings: 18
• Pulse pause settings: 16

CNC Control System

• Control type: CNC closed-loop
• Controlled axes: X, Y, U, V, Z — max. 5 simultaneous
• Input resolution: 1 micrometre on all axes
• Minimum command increment: 0.1 micrometre
• Interpolation: Linear, circular, and spiral
• Display: 14 inch / 37 cm colour screen
• Character representation: Alphanumeric
• Command input: Absolute and incremental
• Scale magnification: 0.000001 to 99.999999
• Feed control: Automatic optimisation based on spark gap or constant feed
• Path offset: plus/minus 99,999.999 mm, OFFSET 1 to 900
• Technology packs: 1 to 1999
• Number of program addresses: 1 to 99,999,999
• Subroutine nesting: 30 levels
• RS-232C interface: Yes (including DC1, DC3)
• MDI data input: 100,000 characters (260 m NC tape equivalent)
• Power supply: 3-phase, 200/220 VAC plus/minus 10 percent, 50/60 Hz, 13.5 kVA

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