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DK Wire EDM Machine: Accurate Cutting for Factory Cost Reduction

DK77 Servo Wire EDM Machine is a high-performance precision machining equipment engineered for metal workpiece cutting.
Equipped with advanced servo motor technology, this wire EDM machine delivers ultra-precise positioning, stable operation,
and high cutting speed, making it ideal for mold making, precision parts processing, and foreign trade machining projects.
The DK77 series servo wire EDM features an intuitive control system, low energy consumption, and minimal maintenance requirements,
effectively reducing production costs while boosting factory efficiency. It supports cutting of various metal materials including steel, copper, and aluminum, and its customizable parameters cater to the diverse machining needs of automotive, aerospace, and electronics industries.

Production Workshop

Item	Unit	DK7735 DK7735-S	DK7745 DK7745-S	DK7745F DK7745F-S	DK7750 DK7750-S	DK7750F DK7750F-S	DK7763 DK7763-S
Worktable size	mm	610*470	710*570	750*570	800*650	950*650	950*750
CNC axis travel(X×Y)	mm	450*350	550*450	650*450	630*500	800*500	800*630
U/V travel	mm	30	30	30	30	30	30
Max. cutting workpiece thickness	mm	400	450	450	500	500	600
Max cutting taper		±6°/80mm	±6°/80mm	±6°/80mm	±6°/80mm	±6°/80mm	±6°/80mm
Max workpiece weight	kg	400	500	500	700	700	1200
Molybdenum wire diameter	mm	φ0.18	φ0.18	φ0.18	φ0.18	φ0.18	φ0.18
Cutting accuracy	mm	≤0.01(φ20mm,H=40mm)	≤0.01(φ20mm,H=40mm)	≤0.01(φ20mm,H=40mm)	≤0.01(φ20mm,H=40mm)	≤0.01(φ20mm,H=40mm)	≤0.01(φ20mm,H=40mm)
Surface roughness	μm	Ra≤1.2-2.0(multiple cutting)	Ra≤1.2-2.0(multiple cutting)	Ra≤1.2-2.0(multiple cutting)	Ra≤1.2-2.0(multiple cutting)	Ra≤1.2-2.0(multiple cutting)	Ra≤1.2-2.0(multiple cutting)
Cutting efficiency	mm2/hr	8000-15000	8000-15000	8000-15000	8000-15000	8000-15000	8000-15000
Power consumption		≤2Kw AC 2-phase 220V	≤2Kw AC 2-phase 220V	≤2Kw AC 2-phase 220V	≤2Kw AC 2-phase 220V	≤2Kw AC 2-phase 220V	≤2Kw AC 2-phase 220V
Machine dimension	mm	155012001700	180014801700	180016201700	210017601900	210019001900	225022501950
Machine weight	kg	≈1200	≈1400	≈1400	≈1700	≈1700	≈1900
Motor Controller		Stepper motor/ Servo motor	Stepper motor/ Servo motor	Stepper motor/ Servo motor	Stepper motor/ Servo motor	Stepper motor/ Servo motor	Stepper motor/ Servo motor
Z axis lift type		Auto-lift	Auto-lift	Auto-lift	Auto-lift	Auto-lift	Auto-lift
Controlled axis		4-axises	4-axises	4-axises	4-axises	4-axises	4-axises
Guide type		Linear guide	Linear guide	Linear guide	Linear guide	Linear guide	Linear guide
Control system		Autocut	Autocut	Autocut	Autocut	Autocut	Autocut
Tanker	L	100	100	100	100	100	100
Filter type		2nd filtration	2nd filtration	2nd filtration	2nd filtration	2nd filtration	2nd filtration
Min. Moving unit	mm	0.001	0.001	0.001	0.001	0.001	0.001
Molybdenum wire tensioning device		√	√	√	√	√	√
Table waterproof cover		√	√	√	√	√	√
DRO		√	√	√	√	√	√

Item

Unit

DK7780

DK7780-S

DK7780F

DK7780F-S

DK77100

DK77100-S

DK77100F

DK77100F-S

DK77120F

DK77120F-S

Worktable size

1150*950

1340*950

1340*1140

1540*1140

1750*1320

CNC axis travel(X×Y)

1000*800

1200*800

1200*1000

1400*1000

1600*1200

U/V travel

Max. cutting workpiece thickness

800

Max cutting taper

±6°/80mm

Max workpiece weight

1800

2500

3000

Wire electrode diameter

φ0.18

Cutting accuracy

≤0.01(φ20mm,H=40mm)

Surface roughness

μm

Ra1.2~2.0(Multiple cutting)

Cutting efficiency

mm2/hr

8000-15000

Power consumption

≤2Kw AC2-phase 220V

≤2Kw AC 2-phase 220V

≤2Kw AC2-phase 220V

Machine dimension

2900*2800*2300

2900*3000*2300

3300*3270*2300

3300*3470*2300

3840*3980*2300

Machine weight

≈3500

≈3800

≈5000

≈5500

≈6500

Motor Controller

Stepper motor/

Servo motor

Stepper motor/

Servo motor

Stepper motor/

Servo motor

Stepper motor/

Servo motor

Stepper motor/

Servo motor

Z axis lift type

Auto-lift

Controlled axis

4-axises

Lead screw/Guide type

Ball screw/Linear guide

（made in China）

Ball screw/Linear guide

（made in China）

Ball screw/Linear guide

（made in China）

Ball screw/Linear guide

（made in China）

Ball screw/Linear guide

（made in China）

Control system

Autocut

Tanker

100

Filter type

2nd filtration

Min. Moving unit

0.001

Molybdenum wire tensioning device

√

Table waterproof cover

√

DRO

√

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