LK-400S Wire EDM Machine – Servo Mid-Speed WEDM
The LK-400S Wire EDM Machine is a servo mid-speed wire electrical discharge machining model designed for precision cutting of electrically conductive workpieces. It provides 320 × 400 × 300 mm X/Y/Z travel, a 740 × 460 mm worktable and a maximum worktable load capacity of 300 kg.
- X / Y / Z travel: 320 × 400 × 300 mm
- Worktable size: 740 × 460 mm
- Maximum worktable load: 300 kg
- Maximum cutting efficiency: ≥220 mm²/min
- Optimum surface roughness: Ra ≤1.0 μm
PRODUCT OVERVIEW
LK-400S Wire EDM Machine Overview
The LK-400S Wire EDM Machine belongs to the servo mid-speed Wire EDM series and is designed for precision profile cutting of electrically conductive materials. It combines a 740 × 460 mm worktable with 320 mm X-axis travel, 400 mm Y-axis travel and 300 mm Z-axis travel.
According to the supplied technical specification, the LK-400S provides X/Y positioning accuracy of ≤0.01 mm and repeated positioning accuracy of ≤0.005 mm. Multi-cut cutting accuracy is listed at ≤0.005 mm under the stated test conditions, while optimum surface roughness is specified as Ra ≤1.0 μm.
The machine supports electrode wire diameters from Ø0.12 to Ø0.20 mm and wire travelling speeds of 3–12 m/s. Its wire travelling system uses frequency control and two-way automatic tightening.
Maximum cutting efficiency is specified at ≥220 mm²/min, while common cutting efficiency is ≥140 mm²/min. The machine has a listed total weight of 1500 kg and overall dimensions of 1700 × 1300 × 2160 mm.
You can compare the LK-400S with other models in our Wire EDM Machines range or review typical machining uses on our Applications page.
LK-400S Key Data
- 320 × 400 × 300 mm X/Y/Z travel
- 740 × 460 mm worktable
- 300 kg maximum worktable load
- ≤0.005 mm repeat positioning accuracy
- ≥220 mm²/min maximum cutting efficiency
- Ø0.12–Ø0.20 mm electrode wire
Key Features of the LK-400S Wire EDM Machine
Practical Axis Travel
Provides 320 mm X-axis travel, 400 mm Y-axis travel and 300 mm Z-axis travel for precision Wire EDM machining.
300 kg Worktable Capacity
The 740 × 460 mm worktable supports workpieces weighing up to 300 kg according to the supplied specification.
Precision Positioning
X/Y positioning accuracy is specified at ≤0.01 mm, with repeat positioning accuracy of ≤0.005 mm.
Multi-Cut Capability
The control specification provides 1–7 cutting cycles for repeated machining passes where required.
Wire Travelling System
Uses frequency control, two-way automatic tightening and a wire travelling speed of 3–12 m/s.
Working Fluid Filtration
Filtration accuracy is specified at ≤10 μm and the system uses special cutting fluid.
LK-400S Technical Specifications
Technical values below are organized from the supplied LK-400S machine specification sheet.
| Specification | Unit | LK-400S |
|---|---|---|
| Machine | ||
| Machine Dimensions (L × W × H) | mm | 1700 × 1300 × 2160 |
| Total Weight | kg | 1500 |
| Workbench & Travel | ||
| Workbench Size | mm | 740 × 460 |
| X-Axis Travel | mm | 320 |
| Y-Axis Travel | mm | 400 |
| Z-Axis Travel | mm | 300 |
| Machining Accuracy | ||
| Positioning Accuracy X/Y | mm | ≤0.01 |
| Repeat Positioning Accuracy X/Y | mm | ≤0.005 |
| Optimum Surface Roughness | μm | Ra ≤1.0 |
| Processing Efficiency | ||
| Maximum Cutting Efficiency | mm²/min | ≥220 |
| Common Cutting Efficiency | mm²/min | ≥140 |
| Maximum Processing Current | A | 6–8 |
| Power Consumption | kW | ≤2.3 |
| Wire Travelling System | ||
| Electrode Wire Diameter | mm | Ø0.12–Ø0.20 |
| Wire Travelling Speed | m/s | 3–12 |
| Tightening Method | — | Two-Way Automatic Tightening |
| Working Fluid System | ||
| Filtration Accuracy | μm | ≤10 |
| Working Fluid | — | Special Cutting Fluid |
| Electrical & Environment | ||
| Electrical Power | — | 380 V ±10% / 50–60 Hz / 2 kVA |
| Operating Temperature / Humidity | — | 15–30°C / 40–80% |
Typical LK-400S Applications
The LK-400S can be considered for precision cutting of electrically conductive workpieces where accurate contours, profiles and fine features are required.
Mold & Die Components
Precision profile cutting of conductive mold, die and tooling parts.
Precision Components
Suitable for conductive parts requiring controlled dimensional accuracy.
Tooling
Suitable for Wire EDM cutting of precision tooling and inserts.
Automotive Tooling
Can be considered for suitable tooling and component machining.
Electrical Components
Precision contour cutting of suitable conductive components.
General Metalworking
Wire EDM machining of electrically conductive metal workpieces.
Suitable Conductive Materials
Is the LK-400S Suitable for Your Application?
Compare your machining requirements with the LK-400S capacity.
Before selecting the machine, compare your workpiece dimensions, weight, cutting thickness, required accuracy and surface finish with the listed technical specifications.
- X/Y/Z travel within 320 × 400 × 300 mm
- Maximum worktable load within 300 kg
- Electrode wire diameter within Ø0.12–Ø0.20 mm
- Workpiece suitable for electrical discharge machining
- Accuracy requirements compatible with the listed specification
If you are unsure which model is suitable, submit your machining requirements through our Request a Quote page.
Compare Servo Mid-Speed Wire EDM Models
LK-400S Frequently Asked Questions
What is the axis travel of the LK-400S?
The supplied specification lists 320 mm X-axis travel, 400 mm Y-axis travel and 300 mm Z-axis travel.
What is the maximum worktable load?
The listed maximum worktable load capacity is 300 kg.
What wire diameter does the machine use?
The machine specification lists an electrode wire diameter range of Ø0.12–Ø0.20 mm.
What is the maximum cutting efficiency?
Maximum cutting efficiency is specified at ≥220 mm²/min.
Need a Quote for the LK-400S?
Send us your workpiece material, dimensions, machining process, accuracy requirements, quantity and destination. We can review whether the LK-400S is suitable for your application and discuss quotation requirements.