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New CHMER EDMs

CW - Series (Wire EDMs)

Features

  • High Quality

  • High Speed Machining

  • Best Cost Performance

  • X,Y,U, V axes simultaneously controllable

  • Easy to Operate
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Main Machine Body

High Quality Machine Construction
Excellent thermal balance and high rigidity design assure consistent, precision machining.

The U-V axes at the upper part of the column is designed for high rigidity, which allows taper machining with stable accuracy even for high water pressure and high wire tension.

High Quality Construction Improves Machining Reliability
Ball screw and LM guide are used, with AC servo motor which drives the ball screw directly. Intelligent software can realize high speed consistent machining with high frequency response for the best accuracy.

The discharge energy is controlled detecting each sparking, which makes for less wire break less and gives consistent machining and uniform machining surface.

High rigidity drive system to secure position accuracy of all axes.

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High Stiffness Drive System
Laser measurement to X,Y, U, Z axes. THK super precise Linear guide ways, C1 grade ball screws at X, Y axis to secure position precision.
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5-16.jpg (20028 bytes) Easy To Wire Threading With Water Jet Assist
Reinforced design allows for a high rigidity Z axis. This allows for large taper cutting (up to ±24° in 100 mm thickness. 

5-14.jpg (17828 bytes) 5-15.jpg (14735 bytes)
red.jpg (4737 bytes) Easy to wire thread.
red.jpg (4737 bytes) Stable wire movement with industrial hard ceramics drive wheels & precise drive system.
red.jpg (4737 bytes) Auto wire-collection device. User
only need to conduct wire through lower guide and used wire will be sent to waste box.

CNC Controller

red.jpg (4737 bytes) IPC base standard 586 computer board.
red.jpg (4737 bytes) 5X86-P75 CPU.
red.jpg (4737 bytes) 16 Mega DRAM.
red.jpg (4737 bytes) High capacity DOC (Disk On Chip).
red.jpg (4737 bytes) Resolution 640x480 16 colors VGA display.
red.jpg (4737 bytes) Operation panel include characters, operation and functionkeys.
red.jpg (4737 bytes) AC servo motors & drivers (Panasonic).
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CNC Functions

* Linear and circular inter polation. * Cutting conditions display. * Trace return wire break point, retrace to start point.
* Return to origin, cutting start point, reference point, wire breakage point. * Day run. * Top-bottom independent figure
machining.
* Automatic positioning, edge and hole centering, column centering, slit centering. * System date, time setting. * Machining path magnifier, rotation, mirror image & X, Y axis exchange.
* Machine lock. * Cutting locus display with color change. * Selection servo-feed, constant-feed.
* Single step and manual jog. * Absolute/incremental coordinates. * Auto select stop function.
* Display cutting time, cutting length, cutting speed. * Multiple sub-routine repeat calling. * Machining path 3D view display.
* 3.5" floopy disk RS232 interface input/output. * Wire offset compensation file can be selected within program. * Back ground editing.
* Marked block jump over. * Inch/metric exchange. * Automatic wire verical alignment.
* Soft travel limits.

Machining Functions

High Speed Machining

Easy To Recover Wire Breakage
MOS Type high power transistor controlled with na~no-second can cut off peak current 600A, by which Max. speed 250 mms-2.gif (106 bytes) /min. is attainable.
 In case wire break occurs during machining, wire returns to the start point after pressing button, and moves to the break point at high speed retracing the machining path by pressing button.

Multi Functions

Easy To Wire Thread
By inputting wire diameter, workpiece material, thickness, and machine classification, optimum machining conditions can be outputted from the memory of various machining conditions.

It is possible to output the machining conditions of 2nd, 3rd, 4th cut with easy operation, and second cut can be automatically obtained by using retrace function.		 Operator has only to pass a wire through lower nozzle, then the wire can be surely fed to wire collector with wire-carry device.

AWT (Automatic Wire Threader)

AC Power Supply

Allows for complete unattended operation of wire EDM. Wire automatically thread, and retreads after breakage through its slot or through the start hole-operator selected.

Anti-Corrosion EDMing for carbides and special alloy metals.

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3D or single step simulation. Corner centering, column centering & coordination catching. Upper/Lower guides position interpolation.
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Self-diagnostics & machining history. Working conditions change, path change & datum change in machining.

Remote Control Box

red.jpg (4737 bytes) Jog feed & directions of X, Y, Z, U, V five axis under remote
control.		 5-6.jpg (10823 bytes)
red.jpg (4737 bytes) Portable remote control with complete on-line functions.
red.jpg (4737 bytes) Flushing, Wire feed & NC power under remote control.
FLOOR LAYOUT
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ITEM:   CW - 320S  
MACHINE BODY  
Axis travel table (XxYxZ) mm/inch 350 x 250 x 220 13.7 x 9.8 x 8.6
Auxiliary travel table mm/inch 60 / 60 2.4 x 2.4
Max size of workpiece mm/inch 800 x 560 x 215 31.5 x 22 x 8.5
Max weight of workpiece kg/lb 300 kg 660 lb
xy feed rate mm/inch Max 800 mm / min Max. 31.5 inch / min
Axis drive system AC servo motor AC servo motor
Wire Diameter Range mm/inch ø0.15~ø0.3 ø0.006~ø0.012
Max. wire feed rate mm/inch 300 mm / sec 11.8 inch / sec
Wire tension 300 - 2500 gf
Taper angle mm/inch ± 14.5º / 3.15 inch ± 14.5º / 3.15 inch (WIDE ANGLE TAPER NOZZLE, DA+DB=15MM)
Machine dimensions   2100 x 2800 x 2130 82.6 x 110.2 x 83.8
Machine weight kg / lb 2500 kg 5500 lb
 
Working Fluid Supply Unit
Tank Capacity     340L
Filter Element     paper
Ion Exchange Resin     14L
Conductivity Control     Auto
Fluid Temperature Control     Standard
 
Power Supply Unit
Circuit System     Power MOS Transistor
Max. Output Current     25A
IP Select     10
Off Time Select     50
 
CNC Unit
Data Input     Keyboard, RS-232C, 3.5" Floppy Disk
Display     14 - Inch Color
Control System     32 Bit, 1-CPU, Semi Closed Loop
Control Axis     X,Y,U,V,Z(5 axis)
Setting Unit     0.001mm
Max Command Value     ±9999.999mm
Interpolation     Linear/Circular
Command System     Abs/Inch
Machining Feed Control     Servo/Const.Feed
Scaling     0.001-9999.999
Auto 2nd Cut System     Re-Trace And Auto Changed Machining Data
Machining EDM Condition Memory     1000 - 9999
Total AC Power Input     3Phase 220±10%/13kva
*Specifications subject to change based on R&D results without notice.
 Standard Accessories Options
  • Ion Exchange Resins
  • Paper filters
  • Upper/Lower flushing nozzles
  • Diamond guides (0.26)
  • Energizing plates
  • Diamond guide remove jig
  • Brass wire (0.25x5kg)
  • Tools
  • Surface finish circuit
  • AVR
  • Automatic vertical Alignment jig
  • AWT
  • AC POWER
  • CE Conformity

Standard Accessories
red.jpg (4737 bytes)Ion Exchange Resins red.jpg (4737 bytes)Energizing plates
red.jpg (4737 bytes)Paper filters red.jpg (4737 bytes)Diamond guide remove jig
red.jpg (4737 bytes)Upper/Lower flushing nozzles red.jpg (4737 bytes)Brass Wire (0.25x5KG)
red.jpg (4737 bytes)Diamond guides(0.26) red.jpg (4737 bytes)Tools
   

ITEM

CW430F/S

CW530F/S

CW640F/S

CW743F/S

CW850F
Machine Body
Axis Travel

X

mm 

400 500 600 700 800

Y

mm 

300 300 400 400 500

U

mm 

100 100 100 100 100(120)

V

mm 

100 100 100 100 100(120)

Z

mm 

260 260 300 300 300(400)
Max. Workpiece Dimensions

mm 

800W x 650D x255H 900W x 650D x255H 1000W x 700D x295H 1050W x 700D x295H 1200W x 800D x295(395)H
Max. Workpiece Weight kg
500 550 650 800 1000
X-Y Axis Feed Rate Max. 800 mm/min
Drive System
(5 Axis)		 AC Servo Motor (5 axis)
Wire Diamter
(Standard)		 s-roung2.gif (64 bytes)0.15-0.3mm (s-roung2.gif (64 bytes)0.25mm)
Wire Feed Rate
(Max)		 300 mm/sec
Wire Tension 400-2500gf
Max Taper Angle +-.gif (61 bytes)24s-0.gif (60 bytes)/100mm WIDE ANGLE NOZZLE
Outside Dimensions 1400 x1750 x2130 1600 x1750 x2130 1820 x1850 x2170 2400 x2460 x2200 2200 x2180 x2370(2470)
Net Weight kg
2500 2700 3200 4500 5000
Working Fluid Supply Unit
Tank Capacity 340L
Filter Element Paper
Ion Exchange Resin 6.8L
Conductivity Control Auto
Fluid Temperature Control Auto(Standard)
Outside Dimensions 700x1830x1130(E TYPE 620x1710x900)
Net Weight (Without Water) 300
Power Supply Unit
Circuit System Power MOS Transistor
Max. Output Current 25A
IP Select 10
Off Time Select 50
CNC Unit
Data Input keyboard, RS-232C, 3.5-Inch Floppy Disk
Display 14-Inch Color
Control System 32bit, 1-CPU, Semi Closed Loop Software Servo System
Control Axis X, Y, U, V, Z (5 Axis)
Setting Unit 0.001mm
Max. Command Value +-.gif (61 bytes)9999.999mm
Interpolation Linear/Circuler
Command System Abs/Inch
Machining Feed Control Servo/Const. Feed
Scaling 0.001-9999.999
Auto 2nd Cut System Re-trace And Auto Changed Machining Data
Machining EDM Condition Memory 1000-9999
Outside Dimensions 820dx600wx1800h 450kg
Total AC Power Input 3 Phase 220 +-.gif (61 bytes)10%/13kva
 
OPTIONS
  • Large Source Bobbin(20kg)
  • A/C Power Supply
  • Tention Meter
  • AVR(Auto Voltage Regulator)
  • Tension
  • Automatic wire threader
  • Linear Glass Scales
  
*Specifications subject to change based on R&D results without notice.

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