Introducing the new Acra ATC-MN2 Universal Tool & Cutter Grinder, a versatile and precise machine designed to handle a wide range of grinding operations. Equipped with ball screws for enhanced accuracy and smooth operation, this grinder is a must-have for any workshop looking to streamline their tool and cutter grinding processes.

The Acra ATC-MN2 Universal Tool & Cutter Grinder is a robust and flexible machine that excels in multiple grinding applications. Its versatility shines through its ability to generate straight or tapered, right or left hand, and infinitely variable leads using a simple built-in lead mechanism. The turntable mounting of the entire work head slide assembly, adjustable through 235+ degrees in the horizontal plane, proves invaluable when grinding radius. The adjustable work head on a separate slide with dual hand wheel control further enhances setup efficiency.

The machine boasts impressive specifications, with a 12" swing over the main slide and a collet work diameter range of 0.12" to 1.25". The spiral lead mechanism can generate leads up to 1.81", and the spindle nose to tail center distance is a generous 6". The wheel head accommodates grinding wheels up to 4" in diameter.

With ample travel ranges for the main slide, offset slide, longitudinal slide, vertical slide, and cross slide, the Acra ATC-MN2 provides the flexibility needed for diverse grinding tasks. The work head and wheel head offer angular adjustments in both horizontal and vertical planes, ensuring precise positioning for any job.

Features:

• Multiple grinding operations capability
• Versatile lead generation for straight, tapered, right, or left hand leads
• Turntable mounted work head slide assembly with 235+ degree horizontal adjustment
• Adjustable work head on separate slide with dual hand wheel control
• Generous travel ranges for main, offset, longitudinal, vertical, and cross slides
• Angular adjustments in horizontal and vertical planes for both work head and wheel head
• Ball screw equipped for enhanced accuracy and smooth operation

Specifications:

• Swing Over Main Slide: 12"
• Collet Work Diameter (Min-Max): 0.12" ~ 1.25"
• Lead Generated by Spiral Lead Mechanism: 1.81"
• Length between Spindle Nose & Tail Center: 6"
• Grinding Wheel Diameter: 4"
• Main Slide Travel: 5.75"
• Offset Slide Travel Total: 5.25" (3" front, 2.25" rear of center)
• Work Head Angular Adjustment: 235° horizontal, 40° vertical (above/below center)
• Longitudinal Slide Travel: 6"
• Vertical Slide Travel Total: 9.5" (4.5" above, 5" below center)
• Cross Slide Travel Total: 7.5" (3" front, 4.5" rear of center)
• Work Head Speed: 436 RPM
• Wheel Head Speeds: 4,000, 5,729, & 8,000 RPM
• Work Head Motor: AC, ¼ HP with reverse
• Wheel Head Motor: AC, ½ HP
• Voltage: 230 or 460V AC ~ 3 Phase

Equipped With:

• Wheel Head Tool Rest Assembly with Extension Bar
• Grinding Wheel Guards with Extension Bar
• Front Stock Support
• Straight Cylindrical Collets (Choice of Metric or Inch Sizes):
  • Metric: 3, 5, 6, 8, 10, 12, 16, 20, 25, & 32 mm
  • Inch: 1/8, 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, & 1-1/4"
• Set of 3 Taper Collets: No. 2, 3, 4 Morse Taper
• Set of (5) Grinding Wheel Flanges: (4) Standard and (1) Extension Flange
• Diamond Holder Bracket
• Wrench for Work Head
• Tooth Rest Centering Gauge
• Adjustable Tailstock Support Unit
• Spanner for Grinding Wheel
• Leveling Blocks
• Standard Arbor
• Screwdriver
• Set of Wrenches
• Double-end Spanner
• Set of (4) Index Plates for Spindle Lead Mechanism: 0, 8, 10, & 12 Divisions
• Toolbox
• Oil Can