DK703D EDM Drilling Machine – Precision Deep Hole Drilling
The DK703D EDM Drilling Machine is designed for precision electrical discharge drilling of small and deep holes in electrically conductive materials. It features a 330 × 480 mm worktable, 200 × 300 mm work surface travel, 280 mm spindle head stroke and an electrode diameter range of Ø0.3–Ø6.0 mm.
- Table size: 330 × 480 mm
- Work surface travel: 200 × 300 mm
- Spindle head stroke: 280 mm
- Servo travel: 300 mm
- Electrode diameter: Ø0.3–Ø6.0 mm
- Maximum processing speed: 40 mm/min
PRODUCT OVERVIEW
DK703D EDM Drilling Machine Overview
The DK703D EDM Drilling Machine is designed for precision electrical discharge drilling of electrically conductive workpieces. It is suitable for small-hole and deep-hole machining applications where conventional mechanical drilling may be difficult because of material hardness, hole depth or workpiece geometry.
The DK703D is equipped with a 330 × 480 mm worktable and provides 200 × 300 mm work surface travel. Its compact machining range makes it suitable for molds, dies, tooling, precision components and Wire EDM start-hole drilling.
The machine features a 280 mm spindle head stroke and 300 mm servo travel. According to the supplied specification, it supports electrode diameters from Ø0.3 mm to Ø6.0 mm.
The DK703D has a specified maximum processing speed of 40 mm/min and a maximum depth-to-diameter ratio of 300:1. Pure water is used as the working fluid, with a working pressure of 7 MPa.
The supplied specification also lists a maximum machining current of 30 A, maximum power consumption of 3 kVA and automatic Z-axis control. A two-axis digital display is provided, with an optional three-axis digital display.
You can compare the DK703D with other models in our EDM Drilling Machines range or review typical machining uses on our Applications page.
DK703D Key Data
- 330 × 480 mm worktable
- 200 × 300 mm work surface travel
- 280 mm spindle head stroke
- Ø0.3–Ø6.0 mm electrode diameter
- 40 mm/min maximum processing speed
- 300:1 maximum depth-to-diameter ratio
Key Features of the DK703D EDM Drilling Machine
330 × 480 mm Worktable
The 330 × 480 mm worktable provides a practical platform for EDM drilling of electrically conductive precision components.
200 × 300 mm Work Surface Travel
The DK703D provides 200 × 300 mm work surface travel for accurate workpiece positioning within its available EDM drilling range.
Ø0.3–Ø6.0 mm Electrode Range
The DK703D supports electrode diameters from Ø0.3 mm to Ø6.0 mm, providing a wider range for different EDM hole drilling requirements.
40 mm/min Processing Speed
The supplied specification lists a maximum processing speed of 40 mm/min under suitable EDM drilling conditions.
300:1 Depth-to-Diameter Ratio
The DK703D is specified with a maximum depth-to-diameter ratio of 300:1 for deep-hole EDM drilling applications.
Automatic Z-Axis Control
Automatic Z-axis control supports controlled electrode feeding during the EDM drilling process.
DK703D EDM Drilling Machine Technical Specifications
Technical values below are based on the supplied DK703D EDM drilling machine specification.
| Specification | Unit | DK703D |
|---|---|---|
| Table Size | mm | 330 × 480 |
| Work Surface Travel | mm | 200 × 300 |
| Spindle Head Stroke | mm | 280 |
| Servo Travel | mm | 300 |
| Electrode Diameter | mm | Ø0.3–Ø6.0 |
| Maximum Processing Speed | mm/min | 40 |
| Maximum Depth-to-Diameter Ratio | — | 300:1 |
| Working Fluid | — | Pure Water |
| Working Pressure | MPa | 7 |
| Maximum Machining Current | A | 30 |
| Maximum Power Consumption | kVA | 3 |
| Control | — | Z-Axis Automatic |
| Digital Display | — | Two-Axis Digital Display |
| Optional Digital Display | — | Three-Axis Digital Display |
Typical DK703D EDM Drilling Applications
The DK703D is suitable for EDM drilling of electrically conductive workpieces where small-hole machining, deep-hole capability, a wider electrode diameter range and controlled electrical discharge machining are required.
Deep Hole Drilling
Suitable for EDM drilling of deep, small-diameter holes in electrically conductive components within the specified 300:1 depth-to-diameter ratio.
Start Holes for Wire EDM
Suitable for producing start holes for subsequent Wire EDM profile cutting operations.
Mold & Die Components
EDM drilling of precision holes in conductive molds, dies, inserts and tooling components.
Precision Components
Suitable for precision hole drilling in electrically conductive mechanical and industrial components.
Hard Material Drilling
EDM drilling can be used on hard electrically conductive materials where conventional cutting tools may be less suitable.
General Metalworking
Electrical discharge drilling of conductive metal workpieces within the DK703D machining capacity.
Suitable Conductive Materials
EDM drilling requires electrically conductive workpiece materials. Actual drilling performance depends on material, electrode diameter, hole depth, working pressure and machining conditions.
Is the DK703D Suitable for Your Application?
Compare your drilling requirements with the DK703D capacity.
The DK703D EDM Drilling Machine may be considered when your workpiece dimensions and drilling requirements are compatible with its 330 × 480 mm worktable, 200 × 300 mm work surface travel and Ø0.3–Ø6.0 mm electrode diameter range.
The machine is specified with a maximum processing speed of 40 mm/min and a maximum depth-to-diameter ratio of 300:1. Compare these specifications with your required hole diameter, drilling depth, workpiece material and production requirements.
- Worktable requirement within 330 × 480 mm
- Work surface travel requirement within 200 × 300 mm
- Spindle head stroke requirement within 280 mm
- Servo travel requirement within 300 mm
- Electrode diameter requirement within Ø0.3–Ø6.0 mm
- Deep-hole requirement compatible with a maximum 300:1 depth-to-diameter ratio
If you are unsure which EDM drilling model is suitable, submit your workpiece and hole requirements through our Request a Quote page.
Compare EDM Drilling Machine Models
Compare EDM drilling machines according to worktable size, travel, electrode range, drilling speed and hole requirements.
DK703D EDM Drilling Machine FAQ
What is the worktable size of the DK703D?
The supplied specification lists a 330 × 480 mm worktable.
What is the work surface travel of the DK703D?
The DK703D provides 200 × 300 mm work surface travel.
What electrode diameters can the DK703D use?
The supplied specification lists an electrode diameter range of Ø0.3–Ø6.0 mm.
What is the maximum processing speed?
The maximum processing speed is specified at 40 mm/min.
What is the maximum depth-to-diameter ratio?
The supplied specification lists a maximum depth-to-diameter ratio of 300:1.
What working fluid does the DK703D use?
The supplied specification lists pure water as the working fluid, with a working pressure of 7 MPa.
Need a Quote for the DK703D?
Send us your workpiece material, dimensions, required hole diameter, drilling depth, quantity and destination. We can review whether the DK703D is suitable for your EDM drilling application and discuss quotation requirements.