High Cost-Effective EDM

CNC A-Series EDM

CNC A-Series EDM

The Moldmaster CNC A-Series EDM brings you High Speed, high Accuracy, better precision, and fully automatic elevating work tank, brings a brand new user experience.

Tire EDM

Tire EDM

Specialize for roller, round, tire mold.


High-Quality High Cost-Effective EDM Machines Supply Since 1975 | Yihawjet Enterprises Co., Ltd.

Yihawjet Enterprises Co., Ltd., since 1975, is a professional High Cost-Effective EDM | wire-cut EDM machine manufacturer located in Taiwan. CNC EDM, CNC wire-cut machines and 7-axes EDM are masterworks of precision technology with a supreme product quality. The product including: Die sinking EDM, tire mold EDM, aerospace industry 7 axes EDM, drilling EDM, automatic back flushing equipment.

CE and ISO supply of hydraulic servo EDM, power of discharging machining of transistor control circuit, DC servo system avoiding hydraulic servo maintenance. Developed high-speed MOSFET generator system, lowering electrode wear rate to a large extent and increasing machining speed. High performance of "3 axes synchronous discharging technology.

Moldmaster has been offering customers high-quality wire-cut EDM machines since 1975, both with advanced technology and 42 years of experience, Moldmaster ensures each customer's demands are met.

High Cost-Effective EDM


C type EDM machine

High Cost-Effective EDM - High Cost-Effective EDM
High Cost-Effective EDM


Reliability, efficiency, and performance are qualities that dictate the design of Moldmaster EDM.


  • Newly designed high precision head (Z-axis)
  • New Power Supply & Control System
  • 0.05% or less ultralow consumption circuit
  • HQSP The High Quality Super Polishing Equipment (optional)
  • Windows interface (optional)


  • Positioning accuracy:± 3μm / 300mm
  • Repetition accuracy:± 1μm

Machine Specification

Work tank internal dimensionsW x D x H (mm)1300 x 800 x 3801100 x 620 x 2801100 x 620 x 2801100 x 620 x 280900 x 500 x 270
Max. workpiece dimensionsW x D x H (mm)1045 x 700 x 330850 x 500 x 230850 x 500 x 230850 x 500 x 230670 x 350 x 220
Max. workpiece weightkg600400400400300
Max. electrode weightkg120100100100100
X/Y/Z axes strokemm500 x 400 x 400400 x 300 x 350400 x 300 x 350400 x 300 x 350300 x 200 x 300
Max. moving speedmm/minX / Y axis:1000;Z axis:2000
Table dimensionsW x D (mm)900 x 550800 x 450800 x 450800 x 450600 x 300
Distance between plate and tablemm230 ~ 630250 ~ 600250 ~ 600160 ~ 560160 ~ 560
Machine tool dimensionsW x D x H (mm)1700 x 1600 x 22501420 x 1350 x 21001800 x 1900 x 22001470x1370x20601400 x 1320 x 2100
Volume of electric cabinetW x D x H (mm)650 x 1080 x 1750-650 x 1080 x 1750
Machine tool weightkg21301680224018251245
Weight of electric cabinetkg

365kg(35A) / 390kg(50A) / 420kg(70A) / 470kg(105A)

-365kg(35A) / 390kg(50A) / 420kg(70A)
Available power suppliestype

50A(5.5KVA) / 70A(8KVA) / 105A(12KVA)

35A(4KVA) / 50A(5.5KVA) / 70A(8KVA)
Dielectric reservoir capacityl500400400400200


Setting unit incrementsμm11111
Optical scale resolutiionμm11111
  • The work tank internal dimensions means the applicable range on the table.
  • Leave about 60cm between the machine and the wall or other machine.
  • Layout Dimensions: A x B means (machine + reserved space), C x D means (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.


Auto Tooling System3R (MACRO), EROWA (ITS)
Linear magazine*Electrode No.pcs643
Max. Weight of electrodekg5
Max. Total  weight of electrodekg15(Geometric symmetry)
Rotary Magazine*Electrode No.12 / 16 / 20 NA
Max. Weight of electrodekg4NA
Diameter/Iengthmm65 / 120NA
C-axisStructureBuilt-in type
RotationrpmMOLDMASTER(0~14),3R (0~14), EROWA (0~14)
Max. Electrode carrying weightkg25
Max. Electrode moment of inertiakgcm275
Dielectric-fluid injection / Suction select4/1
Programmable flushing nozzleO
Dielectric-fluid cooler unitO
Voltage regulator unit (AVR)**O
Automatic back flushing systemO
System interfaceDOS/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***)S540SS430SS430ASNANA
  • *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).

Machining Cycles-Positioning Function

NA:Not available不提供  O:Available提供
Control SystemDos/Windows
Positioning FunctionsC15-BC15-ABC15-AC21-BC21-AWindows
Error AlignmentOOOOOO
Millimeter / Inch Unit ConversionOOOOOO
Multiple Work CoordinatesOOOOOO
Inner / Outer MeasurementsOOOOOO
Edge, Hole/Groove, Plate/Column Center MeasurementsOOOOOO
Reference Ball, Electrode Offset CompensationOOOOOO
Electric Discharge Position (EDP)OOOOOO
Quick StopOOOOOO
Multi-jog Simultaneously MovingOOOOOO

Machining Cycles-Machining Cycles Functions

NA:Not available不提供  O:Available提供
Control SystemDos/Windows
Machining Cycles FunctionsC15-BC15-ABC15-AC21-BC21-AWindows
Plunge Machining(G111)OOOOOO
Expand Machining(G121)OOOOOO
Half Barrel Machining(G123)NANAOOOO
Orbital Machining(G131)NAOOOOO
Spiral Plunge Machining(G133)OOOOOO
Pyramid Machining(G135)NAOOOOO
Multi-angle Machining(G161)NAOOOOO
CLW/CCLW Helical Machining(G171)NANANANAOO
Vector Loran Machining(G181)OOOOOO
Line/Grid Position(G200)OOOOOO
Arc/Circle Position(G210)OOOOOO
Contour Return(G400)OOOOOO
Reference Plane Return(G401)OOOOOO
Fast Feed for Positioning(G00)OOOOOO
2D Contour Machining(G01, G02, G03)OOOOOO
3D Contour Machining(G01, G02, G03)OOOOOO
C Axis Indexing(G00+C)NANANAOOO
Trans. Machining(G01+C)NANANAOOO
Arc Trajectory Machining(G02 / G03+C)NANANAOOO
Work Plane Selection(G17, G18, G19)Only G17OOOOO
Reference Point Return(G28, G29)OOOOOO
Work Coordinate System(G54 ~ G61)OOOOOO
Work Zero Setting(G92)OOOOOO
Multi-point MachiningOOOOOO
Electrode Compensation(H Code)OOOOOO
Miscellaneous Function(M Code)OOOOOO
Polishing Time Control(Q Code)OOOOOO

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

Machine Close-up
Related Case

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