Line Boring Machine BB 3000

Introducing the BB3000 Line Boring Machine, an essential tool for efficient and precise on-site repairs of worn hinge points on loader arms and buckets. The BB3000 makes it easy to restore these critical components to their original dimensions, ensuring optimal alignment and performance.

Key Features:

• Boring Capacity:
  • Bore diameter range: 1.5 - 5 inches (38.1 - 127.0 mm)
  • 1.25 inch (31.75 mm) diameter bar, available in lengths from 1 foot (304.8 mm) increments
  • Clamp-on tool head covers diameters from 3.25 to 5 inches (82.6 to 127.0 mm)
• Powerful Performance:
  • 1.0 Hp (0.74 kW) motor with a 7.5:1 reduction gear box
  • Produces up to 90 ft-lbs (122 N·m) of torque at the bar
  • Two-speed motor: 80 - 150 RPM (120 VAC) and 68 - 120 RPM (230 VAC)
• Compact Design:
  • Rotational drive extends only 19 inches (482.6 mm) from the mounting bracket
  • Weighs only 35 lbs (15.9 kg), making it highly portable and easy to handle
• Automatic Power Feed:
  • Infinitely variable and reversible power feed with a 10-inch (254 mm) stroke
  • Automatic feed stop mechanism disengages the feed at the end of the stroke
  • Feed rate from 0 - 0.018 inches (0 - 0.46 mm) per revolution

Specifications:

• Operating Ranges:
  • Boring Bar Diameter: 1.25 inches (31.8 mm)
  • Boring Diameter: 1.5 - 5 inches (38.1 - 127 mm)
  • Boring Stroke, Max: 10 inches (254 mm)
• Power Options:
  • Pneumatic: 0.6 Hp (0.45 kW)
  • Electric:
    • 120 VAC: 80 - 150 free speed bar RPM
    • 230 VAC: 68 - 120 free speed bar RPM
• Mounting Options: Double Arm, Universal
• Rotational Drive Unit: 7.5:1 gear ratio reduction
• Set-Up Cones: 1.5 - 5 inches (38.1 – 127.0 mm)
• Feed Type: Mechanical
• Feed Rate per Revolution: 0 – 0.018 inches/rev. (0 – 0.46 mm/rev.)
• Weight and Dimensions:
  • Typical Machine Ship Weight: 240 lbs (109 kg)
  • Approximate Boring Bar Ship Weight: 50 lbs (22.7 kg) for a standard 72-inch (1828.8 mm) bar
  • Typical Shipping Dimensions:
    • Machine: 34 x 20 x 20 inches (864 x 508 x 508 mm)
    • Bar: 75 x 7 x 7 inches (1905 x 178 x 178 mm)

Setup and Operation:

• Fast Setup Process:
  • Slide the bar through the holes to be bored and center it with setup cones
  • Tack weld spherical mounts to the workpiece
  • Replace the bar and make final centering adjustments
  • Attach the rotational drive to the bar and lock it in place
  • Adjust the stroke for the first boring pass and lock the rotational drive
  • Insert and adjust the tool bit for the depth of cut

Applications:

• Repairing worn hinge points on loader arms and buckets
• Restoring critical components to their original dimensions
• Ensuring optimal alignment and performance for heavy equipment