SK4050 High-Speed EDM Drilling Machine – CNC Precision Hole Drilling
The SK4050 High-Speed EDM Drilling Machine is designed for CNC-controlled electrical discharge drilling of small and deep holes in electrically conductive materials. It features a 540 × 840 mm worktable, 400 × 500 mm X/Y-axis travel, CNC control and an electrode diameter range of Ø0.2–Ø4.0 mm.
- Worktable size: 540 × 840 mm
- X/Y-axis travel: 400 × 500 mm
- Control type: CNC
- Spindle travel: 400 + 260 mm
- Electrode diameter: Ø0.2–Ø4.0 mm
- Maximum cutting speed: 50–70 mm/min
PRODUCT OVERVIEW
SK4050 High-Speed EDM Drilling Machine Overview
The SK4050 High-Speed EDM Drilling Machine is designed for CNC-controlled electrical discharge drilling of electrically conductive workpieces. It is suitable for small-hole and deep-hole machining applications where conventional drilling may be difficult because of material hardness, hole diameter or workpiece geometry.
The SK4050 is equipped with a 540 × 840 mm worktable and provides 400 × 500 mm X/Y-axis travel. Compared with smaller models, the larger worktable and travel range provide additional capacity for larger workpieces and broader positioning requirements.
The worktable is specified with a loading capacity of 500 kg. The machine supports electrode diameters from Ø0.2 mm to Ø4.0 mm and is specified with spindle travel of 400 + 260 mm.
According to the supplied specification, the SK4050 provides a maximum cutting speed of 50–70 mm/min, a machining average current of 30 A and maximum processing power of 3 kW.
Pure water is used as the working fluid. The machine is equipped with a 150 L water tank and operates with a listed water pump pressure of 8–12 MPa.
You can compare the SK4050 with other models in our EDM Drilling Machines range or review typical machining applications on our Applications page.
SK4050 Key Data
- 540 × 840 mm worktable
- 400 × 500 mm X/Y-axis travel
- 500 kg worktable loading capacity
- Ø0.2–Ø4.0 mm electrode diameter
- 50–70 mm/min maximum cutting speed
- 8–12 MPa water pump pressure
Key Features of the SK4050 High-Speed EDM Drilling Machine
CNC Control
CNC control supports coordinated positioning and controlled EDM drilling for precision small-hole machining applications.
540 × 840 mm Worktable
The 540 × 840 mm worktable provides a larger working platform for EDM drilling of conductive components and tooling workpieces.
Ø0.2–Ø4.0 mm Electrode Range
The SK4050 supports electrode diameters from Ø0.2 mm to Ø4.0 mm for a range of small-hole EDM drilling requirements.
50–70 mm/min Cutting Speed
The supplied specification lists a maximum cutting speed of 50–70 mm/min under suitable EDM drilling conditions.
400 kg Table Capacity
The worktable is specified with a loading capacity of 500 kg for handling heavier workpiece configurations.
8–12 MPa Pump Pressure
The water pump provides a specified pressure range of 8–12 MPa to support flushing during high-speed EDM drilling.
SK4050 High-Speed EDM Drilling Machine Technical Specifications
Technical values below are based on the supplied SK4050 high-speed EDM drilling machine specification.
| Specification | Unit | SK4050 |
|---|---|---|
| Worktable Size | mm | 540 × 840 |
| X/Y Axis Travel | mm | 400 × 500 |
| Control Type | — | CNC |
| Spindle Travel | mm | 400 + 260 |
| Water Tank Capacity | L | 150 |
| Table Loading | kg | 500 |
| Electrode Diameter | mm | Ø0.2–Ø4.0 |
| Machine Weight | kg | 1800 |
| Overall Dimensions | mm | 1900 × 1500 × 1800 |
| Working Accuracy | — | According to GB7926-2005 |
| Power Supply | — | 3P 380 V, 50/60 Hz |
| Working Fluid | — | Pure Water |
| Machining Average Current | A | 30 |
| Maximum Cutting Speed | mm/min | 50–70 |
| Maximum Processing Power | kW | 3 |
| Water Pump Pressure | MPa | 8–12 |
Typical SK4050 High-Speed EDM Drilling Applications
The SK4050 is suitable for CNC EDM drilling of electrically conductive workpieces where small-hole machining, high-speed processing, controlled positioning and high-pressure flushing are required.
High-Speed Small Hole Drilling
Suitable for high-speed EDM drilling of small holes in electrically conductive precision components.
Start Holes for Wire EDM
Suitable for producing start holes before subsequent Wire EDM profile and contour cutting operations.
Mold & Die Components
EDM drilling of precision holes in conductive molds, dies, inserts and tooling components.
Larger Precision Components
The larger worktable and travel range make the SK4050 suitable for larger electrically conductive precision components.
Hard Material Drilling
Electrical discharge drilling is suitable for hard conductive materials where conventional cutting tools may be difficult to use.
General Metalworking
High-speed EDM hole drilling of conductive metal workpieces within the SK4050 machining capacity.
Suitable Conductive Materials
EDM drilling requires electrically conductive workpiece materials. Actual machining performance depends on material, electrode diameter, hole depth, flushing pressure and machining conditions.
Is the SK4050 Suitable for Your Application?
Compare your drilling requirements with the SK4050 capacity.
The SK4050 High-Speed EDM Drilling Machine may be considered when your workpiece and drilling requirements are compatible with its 540 × 840 mm worktable, 400 × 500 mm X/Y-axis travel and Ø0.2–Ø4.0 mm electrode diameter range.
The machine uses CNC control and provides a specified maximum cutting speed of 50–70 mm/min. Compare these specifications with your required hole diameter, drilling depth, workpiece weight and production requirements.
- Worktable requirement within 540 × 840 mm
- X/Y-axis travel requirement within 400 × 500 mm
- Workpiece loading requirement within 500 kg
- Electrode diameter requirement within Ø0.2–Ø4.0 mm
- Cutting speed requirement compatible with 50–70 mm/min
- Pump pressure requirement compatible with 8–12 MPa
If you are unsure which high-speed EDM drilling model is suitable, submit your workpiece and hole requirements through our Request a Quote page.
Compare High-Speed EDM Drilling Machine Models
Compare high-speed EDM drilling machines according to worktable size, travel, electrode range and machining requirements.
SK4050 High-Speed EDM Drilling Machine FAQ
What is the worktable size of the SK4050?
The supplied specification lists a 540 × 840 mm worktable.
What is the X/Y-axis travel of the SK4050?
The SK4050 provides 400 × 500 mm X/Y-axis travel.
What electrode diameters can the SK4050 use?
The supplied specification lists an electrode diameter range of Ø0.2–Ø4.0 mm.
What is the maximum cutting speed?
The maximum cutting speed is specified at 50–70 mm/min.
What control type does the SK4050 use?
The supplied specification lists CNC as the control type.
What working fluid does the SK4050 use?
The supplied specification lists pure water as the working fluid, with a 150 L water tank.
What is the maximum worktable load?
The SK4050 worktable loading capacity is specified at 500 kg.
What is the water pump pressure?
The supplied specification lists a water pump pressure range of 8–12 MPa.
Need a Quote for the SK4050?
Send us your workpiece material, dimensions, required hole diameter, drilling depth, quantity and destination. We can review whether the SK4050 is suitable for your high-speed EDM drilling application and discuss quotation requirements.