2026 Acer E-Mill 3VS II

The 2026 Acer Trouble Free Inverter Drive E-Mill is a flat bed hybrid CNC / manual handwheel override for flexibility on one-off or heavy repair jobs.

• Mechanical Simplicity: It replaces the traditional moving pulleys, mechanical plastic bushings, and vari-disc belts with an electronic Variable Frequency Drive (VFD). This eliminates the most common wear-and-tear breakdown points on a milling machine.
• Broad Compatibility: The replacement head (such as the popular Acer E-mill 5VK or M0380 series) is designed with a bolt-hole pattern that directly fits Bridgeport mills and most Taiwanese imports.
• Precision Control: Powered by high-output motors (typically 5 HP), it allows the machinist to seamlessly adjust the spindle speed electronically (often ranging from 0 to 4500 RPM) using a digital keypad display control box.
• Electrical Safety: The package generally includes a full electrical cabinet built with an integrated inverter and dynamic braking resistor to handle electrical fluctuations safely.

SPECS:

• Spindle Taper: R-8
• Spindle Speed Range: 60 – 4,500 RPM (EVS inverter drive, with select heavy box-way variants running 50–3,750 RPM)
• Spindle Bore Run-out: Max 0.00015 in.
• Bearings: 3-piece Class 7 high-precision NSK spindle bearings
• Quill Diameter: 3–3/8 in.
• Quill Travel: 5 in.
• Power Quill Feeds (in./rev.): 0.0015", 0.003", 0.006"

Drive & Motor

• Horsepower: 3 HP (Baldor Super E or vector AC frequency inverter drive)
• Voltage/Phase: 220V or 440V, 3-Phase (220V units compatible with single-phase input via inverter/setup)
• Brake: Electro-mechanical or manual friction brake stopping spindle immediately