Acra Vertical Knee Mill
Specifications:
- 2 Hp Acra Model #Am-2v Vertical KneeMill
- Model Am-2v
- Table Size: 9” X 49”
- Longitudinal Travel (X-Axis): 32-1/2”
- Cross Travel (Y-Axis): 12-1/2”
- Knee Travel (Z-Axis): 16”
- Overarm Travel: 16-1/4”
- Number Of T-Slots: 3
- T-Slot Size And Centers: 5/8”, 2-1/2”
- Drilling Specifications:
- Cast Iron: 3/4"
- Steel: 5/8"
- Face Mill: 3"
- End Mill: 3/4"
- Spindle Taper: R8 Or Nt-30
- Quill Diameter: 3-3/8"
- Collet Capacity: 1/8" To 5/8"
- Varaiable Spindle Speed: 60 To 4200 Rpm
- Spindle Feeds:0015,.0003,.0006 Inch/Rev
- Spindle To Column: 5" To 17-3/8"
- Motor: 3 Hp
- Acu-Rite Millpower 3 Axis Controller
Description:
The Acra AM 2V is a manual vertical knee-type milling machine designed for high-precision machining of metal and non-metal components. This machine is a workhorse of toolrooms, fabrication shops, and maintenance departments, built for durability, flexibility, and ease of use.
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✅ What It Does
The Acra AM-2V is used to cut, shape, drill, bore, and surface materials, especially metals like steel, aluminum, brass, and cast iron. It uses rotating cutting tools mounted in a vertical spindle and moves the workpiece via a manually or power-driven table.
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🔧 Key Functions & Capabilities
Capability Description
Milling Face milling, end milling, slotting, and contouring.
Drilling & Boring Precision drilling and boring with fine spindle feed and DROs (if equipped).
Surface Facing Creating smooth, flat finishes on part surfaces.
Tapping (Manual) Internal thread cutting (with care, using manual feed or tapping head).
Pocketing & Engraving For light-duty engraving or shaping cavities in parts.
Angle Milling Tilting head allows bevels and compound angles.
Precision Machining Great for tight tolerances and tool & die work.
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⚙️ Machine Features That Enable These Functions
• Variable Spindle Speeds (60–4,200 RPM): Supports both rough and fine machining.
• Tilting & Swiveling Head (±90° Tilt): Ideal for angular cuts or complex part geometries.
• R 8 or NT 30 Spindle Taper: Compatible with a wide range of tooling (collets, end mills, boring heads).
• Heavy-Duty Knee & Column Design: Allows deep cuts with stability and minimal vibration.
• Generous Table Travel (X/Y/Z): Accommodates medium-sized parts and tooling setups.
• One-Shot Lubrication & Way Covers: Protects moving parts and ensures long machine life.
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💡 Common Applications
• General Machining: Fabricating brackets, plates, housings, shafts, and more.
• Tool & Die Making: Producing molds, jigs, and fixtures with high accuracy.
• Maintenance Shops: Ideal for custom repair parts and reworking components.
• Prototyping: Fast turnarounds on single-run parts or engineering test items.
• Training & Education: Frequently used in trade schools for hands-on machining education.
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🏭 Industries That Use This Machine
• Machine Shops
• Metal Fabrication
• Aerospace & Automotive
• Schools & Technical Colleges
• Manufacturing Plants
• Repair & Maintenance Facilities
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📌 Summary Description
The Acra AM-2V is a rugged and precise vertical knee mill that offers dependable performance in milling, drilling, boring, and shaping operations. Built with hardened ways, variable spindle speeds, and a tilt/swivel head, it’s a versatile choice for both production and prototyping in industrial or educational settings.