A645 EDM Machine

Die Sinking EDM with Moving Column Machine Structure
lift the machining tank.
Moving Column Machine Structure
The new Z-axis high-precision die.
hoisting machine precision.
New power supply and control system.
0.05% or less ultralow consumption circuit.
HQSP gloss processing equipment (optional).
Windows interface (optional).


MOLDMASTER A-Series with high-precision, elevating work tank, fully automated technical support modern high-speed, unmanned production mold.

Machine Specifications

ITEM UNIT A645 A540 A430
Work tank internal dimensions W x D x H (mm) 1175x760x500 900 x 620 x 400 750 x 530 x 350
Max. workpiece dimensions W x D x H (mm) 1050x650x420 820 x 450 x 400 550 x 350 x 350
Max. workpiece weight kg 1500 800 500
Max. electrode weight kg 100 120 80
X、Y, Z axis stroke mm 650×450×450 500 x 400 x 400 400 x 300 x 300
Maximum moving speed mm/min X / Y / Z axis: 2000
Table dimensions W x D (mm) 1050×650 820 x 450 550 x 350
Distance between plate and table mm 350~800 250 ~ 650 300 ~ 600
Machine tool dimensions W x D x H (mm) 3400×1650×2750 1400 x 2400 x 2400 1250 x 2100 x 2150
Volume of electric cabinet W x D x H (mm) 650 x 1080 x 1750
Machine tool weight kg 4500 2500 2200
Weight of electric cabinet kg 365kg(35A) / 390kg(50A) / 420kg(70A) / 470kg(105A)
Available power supplies type  35A(4KVA) / 50A(5.5KVA) / 70A(8KVA) / 105A(12KVA)
Dielectric reservoir capacity L 1000 800 600
Layout (AxB) (CxD) mm (3000×4200)(2400×3400) (2650 x 3200) (2050 x 2400) (2500 x 3000) (2170 x 2300)
Setting unit increments μm 1 1 1
Optical scale resolutiion μm 1 1 1
The work tank intimal dimensions means the applicable range on the table.
Layout: A x B: (Machine + Reserve Space), C x D: (Machine)
Specifications are subject to change without prior notice due to continual research and development.
Standard Accessories:Fire extinguisher x 1 set, Electrode chuck x 1 set, Linear scale x 1 set, Tools box x 1 set、Flush magnetic base x 1 set, Filter x 2 pcs, Work lamp x 1 pc, Cooler x 1 set.

Optional equipment

ITEM UNIT A645+ A540+ A430+
Auto Tooling System 3R (MACRO), EROWA (ITS)
Linear magazine* Electrode No. pcs 4 / 5 / 6 4 / 5 4
Max. Weight of electrode kg 5
Max. Total  weight of electrode kg 15(Geometric symmetry)
Diameter / Length mm 65 / 120
Rotary magazine* Electrode No. pcs 12 / 16 / 20
Max. Weight of electrode kg 4
Diameter / Length mm 65 / 120
C-axis Structure   Built-in type
Resolution deg 0.001
Rotation rpm MOLDMASTER(0~14),3R (0~14), EROWA (0~14)
Max. Weight of electrode kg 25
Max. electrode moment of inertia kgcm2 75
Dielectric-fluid injection/suction select 4 / 1
Programmable flushing nozzle O
Dielectric-fluid cooler unit O
Voltage regulator unit (AVR)** O
System interface  DOS / WINDOWS (Touch panel)
Graphite machining circuit (MD9) O
Large area machining circuit (MD8) O
Cemented carbide machining circuit (MD7) O
Micro-finish / Mirror polish machining circuit (MD4/6) O
Super-low wear circuit (MD3) O
High quality super polishing system (HQSP)*** A645S+ A540S+ A430S+
Linear and Rotary magazine must use air chuck (3R, EROWA).
When variation of the AC power source is +15% over or -10%under, we recommend using AVR to improve stability.
The relationship between machining area and surface roughness of HQSP is: 50Ø (Ra 0.15μm),400cm² (Ra 0.25μm).

Positioning Functions

NA:Not available  O:Available
Positioning Functions C21-B C21-A Windows
Error Alignment O O O
Millimeter / Inch Unit Conversion O O O
Multiple Work Coordinates O O O
Inner / Outer Measurements O O O
Edge, Hole/Groove, Plate/Column Center Measurements O O O
Reference Ball, Electrode Offset Compensation O O O
Electric Discharge Position (EDP) O O O
Quick Stop O O O
Manual ATC O O O
Multi-jog Simultaneously Moving O O O

Machining Cycles Functions

NA:Not available  O:Available
Machining Cycles Functions C21-B C21-A Windows
Plunge Machining (G111) O O O
Expand machining (G121) O O O
Half Barrel Machining (G123) O O O
Orbital Machining (G131) O O O
Spiral Plunge Machining (G133) O O O
Pyramid Machining (G135) O O O
ISO-GAP Machining (G153) O O O
Multi-angle Machining (G161) O O O
CLW/CCLW Helical Machining (G171) NA O O
Vector Loran Machining (G181) O O O
Line/Grid Position (G200) O O O
Arc/Circle Position (G210) O O O
Contour Return (G400) O O O
Reference Plane Return (G401) O O O
Fast Feed for Positioning (G00) O O O
2D Contour Machining (G01, G02, G03) O O O
3D Contour Machining (G01, G02, G03) O O O
C Axis Indexing (G00 + C) O O O
Trans. Machining (G01 + C) O O O
Arc Trajectory Machining (G02 / G03 + C) O O O
Dwell (G04) O O O
Work Plane Selection (G17, G18, G19) O O O
Reference Point Return (G28, G29) O O O
Work Coordinate System (G54 ~ G61) O O O
Work Zero Setting (G92) O O O
Multi-point Machining   O O O
Electrode Compensation (H Code) O O O
Miscellaneous Function (M Cdde) O O O
Polishing Time Control (Q Code) O O O


The process of EDM machining

Automatic Multiple Measurement

Reference Ball offset measurements

Dry Run of EDM

Application with EROWA preset system

Automatic Tool Change)

The remote control system for YAWJET EDM

Synchronization of remote monitoring and EDM machine

Application with Microscope