WS-4A
Knee Mill
Horsepower 5 HP
Table 1270L 254W
Spindle taper NT40
Travels 700X 430Y 460Z
Spindle speed 60 ~ 3600 RPM
KM SERIES
WS-4A
High-Duty Knee Mill NT40
Technical Specifications (Metric & Imperial)
| Axes Travel (X/Y/Z) | 700 x 430 x 460mm (27.5" x 16.9” x 18.1”) |
|---|---|
| Table Size | 1270 x 254 mm (50” x 10”) |
| Table Load Capacity | 350 KGS (771 LBS) |
| T-slot (No. x W x P) | 3 x 16 x 63 mm (3 x 0.63” x 2.48”) |
| Slideways | X-Dovetail ways, Y & Z-Box Ways |
| Ram Travel | 450 mm (17.7”) |
| Quill Diameter | Ø 105 mm (Ø 4.13”) |
| Head Tilting | 90° R/L, 45° F/R |
| Spindle Taper | NT 40 |
| Spindle Motor | 5 HP |
| Spindle Speed Control | Variable speed pulley |
| Spindle Speed | 60 ~ 3600 RPM |
| Spindle Travel | 150 mm (5.9”) |
| Spindle to Table Distance | 55 ~ 505 mm (2.1" ~ 19.8”) |
| Machine Weight | 1500 KGS (3,306 LBS) |
* Specifications are subject to change without notice for continuous improvement.
Precision-Engineered for Heavy-Duty Milling & Versatility
As an experienced and responsible manufacturer-supplier in machine tools field, W&S has been a trusted icon in milling technology. The WS-4A, a flagship model in out KM Series, is designed for professionals who demand rigidity, accuracy, and flexibility. Whether in a high-precision tool room, a heavy-duty repair shop, or a technical educational facility, the WS-4A delivers consistent performance in both manual and CNC modes.
Machine Features & Engineering Excellence
Superior Structural Rigidity - Engineered with high-tensile castings and a robust slideway system (Dovetail way on X-axis, Box ways on Y & Z axes) to ensure maximum vibration dampening during heavy cuts.
High-Torque Spindle System - Equipped with a 5 HP spindle motor and NT40 taper, providing the power required for large-diameter boring and deep milling operations.
Precision Speed Control - Features a variable speed pulley system ranging from 60 ~ 3600 RPM, which allows for a wide variety of materials, from heavy steel to lightweight aluminum.
KM Series Configuration Range
We offer a broad range of options to tailor the machine to your specific shop need:
Spindle Power - 2 HP to 7.5 HP high-torque motors
Spindle Taper - R8, NT30 or NT40
Extended Travel - X-axis options up to 1200 mm (47.2”)
Heavy Duty Loading - Table capacities available up to 800 KGS (1,764 LBS)
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