AA Series
The WELE AA Series vertical machining centers represent a powerful fusion of precision engineering, high-rigidity construction, and superior machining performance. Developed to meet the demands of modern manufacturing, each model in the AA Series is built with a heavy-duty Meehanite cast iron structure and hand-scraped contact surfaces for exceptional stability and vibration control. The machines feature large, laminated Turcite B guideways and pre-tensioned ballscrews across all three axes, ensuring smooth, precise motion under heavy-duty cutting conditions. Each axis is carefully aligned through master-level scraping and laser interferometer calibration—guaranteeing long-term geometric accuracy even during high-speed, complex operations.
Every AA Series machining center is equipped with WELE’s renowned two-speed mechanical geared spindle head, providing the torque and flexibility needed for both rough and precision machining. Combined with intelligent chip evacuation and user-focused design, the AA Series delivers the power, precision, and reliability demanded by industries ranging from heavy equipment and mold manufacturing to high-speed part production.
Request a Quote
Crafted for Stability. Engineered for Results.
Each model is constructed using FEM-analyzed Meehanite cast iron, ensuring an exceptionally rigid base and column capable of absorbing heavy cutting forces without distortion. The symmetrical structure and wide stance design improve mass distribution and thermal balance, minimizing geometric deviation during prolonged machining cycles. Reinforced ribbing throughout the casting further enhances vibration damping, ensuring superior surface finishes even during aggressive cutting operations.
Guided by WELE’s precision manufacturing standards, the AA Series integrates extra-wide roller guideways on all axes, providing smooth, backlash-free movement and consistent precision under heavy loads. A dual-ballscrew drive system (on select models) ensures synchronized motion and superior positioning accuracy across large travel ranges. The Z-axis counterbalance system contributes to operational stability and extends the lifespan of the spindle and drive components. Every machine is hand-scraped and laser-calibrated for optimal alignment and flatness, guaranteeing the geometric integrity required for high-accuracy, high-productivity machining.
Power and Precision for Every Application
Designed for exceptional power, rigidity, and accuracy, each spindle option is engineered to handle anything from high-speed finishing to aggressive roughing on hard materials.
6,000 RPM Gear-Driven Spindle (Standard)
- Heavy-duty gear transmission for maximum torque delivery
- Ideal for roughing and hard material machining
- Delivers continuous 22/26 kW (30/35 HP) and 658 Nm (485 ft-lb) of torque
- Big Plus CAT50 taper ensures maximum rigidity and accuracy
15,000 RPM Integral Motor Spindle (Optional)
- High-speed direct-drive design for precision cutting and fine finishing
- Provides rapid acceleration and reduced thermal growth
- Ideal for aluminum, die/mold, and multi-surface machining
- Low vibration and improved surface finish due to integral motor structure
Models & Specifications
| Table Size (width) | in (mm) | 51.2 (1300) |
| Table Size (length) | in (mm) | 25.6 (650) |
| X-axis Travel | in (mm) | 43.4 (1102) |
| Y-axis Travel | in (mm) | 25.6 (650) |
| Z-axis Travel | in (mm) | 23.6 (599) |
| Distance, Spindle Nose to Table Top | in (mm) | 4.9 - 28.5 (124 - 724) |
| Spindle Speed Max. | RPM | 6,000 |
| Tool Taper | CAT50 | |
| Rapid Feedrate X, Y | m/min (ipm) | 1181 (30) |
| Rapid Feedrate Z | m/min (ipm) | 945 (24) |
| Tool Storage Capacity | 30 (40 Optional) | |
| Tool Weight Max. | lbs (kg) | 33 (15) |
| Table Size (width) | in (mm) | 57.1 (1450) |
| Table Size (length) | in (mm) | 25.6 (650) |
| X-axis Travel | in (mm) | 51.2 (1300) |
| Y-axis Travel | in (mm) | 25.6 (650) |
| Z-axis Travel | in (mm) | 23.6 (599) |
| Distance, Spindle Nose to Table Top | in (mm) | 4.9 - 28.5 (124 - 724) |
| Spindle Speed Max. | RPM | 6,000 |
| Tool Taper | CAT50 | |
| Rapid Feedrate X, Y | m/min (ipm) | 1181 (30) |
| Rapid Feedrate Z | m/min (ipm) | 945 (24) |
| Tool Storage Capacity | 30 (40 Optional) | |
| Tool Weight Max. | lbs (kg) | 33 (15) |
| Table Size (width) | in (mm) | 65 (1651) |
| Table Size (length) | in (mm) | 25.6 (650) |
| X-axis Travel | in (mm) | 59.1 (1501) |
| Y-axis Travel | in (mm) | 25.6 (650) |
| Z-axis Travel | in (mm) | 23.6 (599) |
| Distance, Spindle Nose to Table Top | in (mm) | 4.9 - 28.5 (124 - 724) |
| Spindle Speed Max. | RPM | 6,000 |
| Tool Taper | CAT50 | |
| Rapid Feedrate X, Y | m/min (ipm) | 1181 (30) |
| Rapid Feedrate Z | m/min (ipm) | 945 (24) |
| Tool Storage Capacity | 30 (40 Optional) | |
| Tool Weight Max. | lbs (kg) | 33 (15) |
| Table Size (width) | in (mm) | 68.9 (1750) |
| Table Size (length) | in (mm) | 31.5 (800) |
| X-axis Travel | in (mm) | 63 (1600) |
| Y-axis Travel | in (mm) | 31.5 (800) |
| Z-axis Travel | in (mm) | 31.5 (800) |
| Distance, Spindle Nose to Table Top | in (mm) | 7.8 - 39.4 (198 - 1001) |
| Spindle Speed Max. | RPM | 6,000 |
| Tool Taper | CAT50 | |
| Rapid Feedrate X, Y | m/min (ipm) | 24 (945) |
| Rapid Feedrate Z | m/min (ipm) | 18 (708) |
| Tool Storage Capacity | 40 | |
| Tool Weight Max. | lbs (kg) | 33 (15) |
| Table Size (width) | in (mm) | 84.6 (2149) |
| Table Size (length) | in (mm) | 35.4 (899) |
| X-axis Travel | in (mm) | 78.7 (1999) |
| Y-axis Travel | in (mm) | 35.4 (899) |
| Z-axis Travel | in (mm) | 35.4 (899) |
| Distance, Spindle Nose to Table Top | in (mm) | 7.9 - 43.3 (201 - 1100) |
| Spindle Speed Max. | RPM | 10,000 |
| Tool Taper | CAT50 | |
| Rapid Feedrate X, Y | m/min (ipm) | |
| Rapid Feedrate Z | m/min (ipm) | |
| Tool Storage Capacity | 30 (40, 60 Optional) | |
| Tool Weight Max. | lbs (kg) | |