Ngau Tau spark machine
Tool - Finite Element Structure Analysis
New Power Supply & Control System
0.05% or less ultralow consumption circuit
HQSP The High Quality Super Polishing Equipment (optional)
Windows interface (optional)


Each aspect of machine must be engineered to be extremely durable and exactingly precise.

Machine Specifications

ITEM UNIT M2170-2H M1670 M1470 M1270
Work tank internal dimensions W x D x H (mm) 2890X1700X800 2550X1500X670 2400X1500X670 2250x1500x670
Max. workpiece dimensions W x D x H (mm) 2600X1200X700 2300X1000X600 2200X1000X600 2000x1000x600
Max. workpiece weight kg 5000 4000 4000 4000
Max. electrode weight kg 300 300 300 300
X、Y、Z axis stroke mm 1050X700X500/600* 1600X700X500/600* 1400X700X500/600* 1200x700x500/600*
Maximum moving speed mm/min X,Y axis:1000  Z axis:2000
Table dimensions W x D (mm) 2250X1100 1800X960 1800X960 1800x960
Distance between plate and table mm 530~1030/1130* 550~1050/1150* 550~1050/1150* 550~1050/1150*
Machine tool dimensions W x D x H (mm) 5500X4600X3750 3200X3150X3350/3450* 3050X3150X3350/3450* 2900x3150x3350/3450*
Volume of electric cabinet  W x D x H (mm) 650X1080X1750
Machine tool weight kg 15000 11000 10950 10750
Weight of electric cabinet kg 390kg(50A) / 420kg(70A) / 470kg(105A) / 570kg(140A) / 620kg(175A) / 670kg(200A)
Available power supplies type 50A(5.5KVA) / 70A(8KVA) / 105A(12KVA) / 140A(16KVA) / 175A(20KVA) / 200A(24KVA)}
Dielectric reservoir capacity L 4600 3200 3000 2800
Layout(AXB)(CXD) mm


(4710x5500)(4110x4700 (4710x5500)(4110x4700 (4710x5500)(4110x4700
Setting unit increments μm 1 1 1 1
Optical scale resolution μm 1 1 1 1
The work tank internal dimensions means the applicable range on the table.
Leave about 60cm between the machine and the wall or other machine.
Specifications are subject to change without prior notice due to continual research and development.
* is optional.
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 M2170-2H M1670 M1470 M1270 M1060 M860 M645 M540+
Auto Tooling System 3R (MACRO), EROWA (ITS)
Linear magazine* Electrode No. pcs 4 / 6
Max. Weight of Electrode kg 5
Max. Total  weight of electrode kg 15(Geometric symmetry)
Diameter/Iength mm 65 / 120

Rotary magazine*

Electrode No. pcs 12 / 16 / 20
Max. Weight of Electrode kg 4
Diameter/Iength 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. Eiectrode carrying weight kg 25
Max. Electrode moment of inertia kgcm2 75
Dielectric-fluid Injection/Suction Select 6 / 1
Programmable Flushing Nozzle O
Dielectric-fluid Cooler Unit Std.
Voltage Regulator Unit (AVR)** O
Automatic Back Flushing System 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***) NA NA NA M1270S M1060S M860S M645S M540S+
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 Function

NA:Not available  O:Available
Control System Dos/Windows
Positioning Function C15-A C21-B C21-A Windows
Error Alignment O O O O
Millimeter / Inch Unit Conversion O O O O
Multiple Work Coordinates O O O O
Inner / Outer Measurements O O O O
Edge, Hole/Groove, Plate/Column Center Measurements O O O O
Reference Ball, Electrode Offset Compensation O O O O
Electric Discharge Position (EDP) O O O O
Quick Stop O O O O
Manual ATC O O O O
Multi-jog Simultaneously Moving O O O O

Machining Cycles Functions

NA:Not available O:Available
Control System Dos/Windows
Machining Cycles Functions C15-A C21-B C21-A Windows
Plunge Machining (G111) O O O O
Expand machining (G121) O O O O
Half Barrel Machining (G123) O O O O
Orbital Machining (G131) O O O O
Spiral Plunge Machining (G133) O O O O
Pyramid Machining (G135) O O O O
ISO-GAP Machining (G153) O O O O
Multi-angle Machining (G161) O O O O
CLW/CCLW Helical Machining (G171) NA NA O O
Vector Loran Machining (G181) O O O O
Line/Grid Position (G200) O O O O
Arc/Circle Position (G210) O O O O
Contour Return (G400) O O O O
Reference Plane Return (G401) O O O O
Fast Feed for Positioning (G00) O O O O
2D Contour Machining (G01, G02, G03) O O O O
3D Contour Machining (G01, G02, G03) O O O O
C Axis Indexing (G00 + C) NA O O O
Trans. Machining (G01 + C) NA O O O
Arc Trajectory Machining (G02 / G03 + C) NA O O O
Dwell (G04) O O O O
Work Plane Selection (G17, G18, G19) O O O O
Reference Point Return (G28, G29) O O O O
Work Coordinate System (G54 ~ G61) O O O O
Work Zero Setting (G92) O O O O
Multi-point Machining   O O O O
Electrode Compensation (H Code) O O O O
Miscellaneous Function (M Code) O O O O
Polishing Time Control (Q Code) O O O O