WS-4AL
Inverter Drive Knee Mill
Horsepower 5 HP
Table 1500L 305W
Spindle taper NT40
Travels 1000X 397Y 403Z
KM SERIES
WS-4AL
High-Precision Heavy-Duty Knee Mill NT40
Technical Specifications (Metric & Imperial)
| Axes Travel (X/Y/Z) | 1000 x 397 x 403mm (39.37" x 15.63” x 15.87”) |
|---|---|
| Table Size | 1500 x 305 mm (59” x 12”) |
| Table Load Capacity | 450 KGS (992 LBS) |
| T-slot (No. x W x P) | 3 x 16 x 71 mm (3 x 0.63” x 2.80”) |
| Slideways | X-Dovetail ways, Y & Z-Box Ways |
| Ram Travel | 500 mm (19.68”) |
| Quill Diameter | Ø 105 mm (Ø 4.13”) |
| Head Tilting | 90° R/L |
| Spindle Taper | NT 40 |
| Spindle Motor | 5 HP |
| Spindle Speed Control | Inverter (Yaskawa) |
| X & Y-Axis Speed Control | Inverter (Yaskawa) |
| Lifting Motor on Z-Axis | 1/2 HP |
| Spindle Speed | 70 ~ 4200 RPM |
| Spindle Travel | 150 mm (5.9”) |
| Spindle to Table Distance | 85 ~ 470 mm (3.35" ~ 18.50”) |
| Machine Weight | 1800 KGS (3,969 LBS) |
* Specifications are subject to change without notice for continuous improvement.
Engineered for Excellence, Built for Versatility
The WS-4AL represents the pinnacle of our KM Series knee mills, specially engineered for high-performance 3-axis machining. Combining traditional craftmanship with modern inverter technology, it is the ideal solution for tool rooms, precision repair shops, and heavy-duty industrial applications.
Machine Features & Highlight
Superior Rigidity & Construction - Designed with a focus on structural integrity, featuring a robust frame that handles heavier cuts with ease while maintaining long-term accuracy.
Precision Slideways - Incorporates high-stability X-axis dove ways, and Y & Z-axis box ways, induction hardened and precision ground for maximum wear resistance and smooth motion.
Advanced Inverter Drive System - Equipped with a powerful 5 HP spindle motor controlled by Yaskawa inverter, offering infinite speed adjustments and consistent torque.
Dynamic Spindle Performance - Featuring an NT40 taper spindle and a high-frequency quill (Ø 105 mm / 4.13”), allowing for a wide range of milling, drilling and boring operations.
User-Centric Design - Includes 90〫left/right head tilting and automated lubrication systems, ensuring a seamless operator experience and reduced maintenance.![]()
Why Choose the KM Series ?
For nearly 4 decades, the KM Series has been a global benchmark for all-purpose milling. Whether used in manual or CNC-configured modes, our machines provide the accuracy and reliability required for the most demanding metalworking environments.
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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