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BB8100 Boring Machine

Time:2026-04-01
With exceptional capabilities and high-quality services, the company's cooperation network extensively covers sectors such as shipbuilding, steel, hydropower, energy, heavy industry, and municipal engineering, earning recognition and trust from numerous industry-leading enterprises.

National 24-Hour Service Hotline

+86-010-57536806
  • Product Details

Powerful Performance, Compact Structure

Stationary Power, Field Flexibility: Combines the raw power of a stationary machine tool with the portability required for field operations, tackling tough machining challenges in record time.

High-Torque Output: Equipped with an 11.3 cu. in. (185.3 cc) hydraulic motor, delivering a boring bar output torque of 4,783 ft-lbs (6,484.9 Nm) at 15.1 RPM.

Efficient Design: The modular, compact design ensures quick and easy installation, significantly boosting operational efficiency and reducing downtime.

Versatility & Flexibility

Extended Range: Compatible with various facing attachments, offering a boring diameter range of 14.5–85.6 inches (368.3–2,174.2 mm) and a facing diameter range of 14–97.7 inches (355.6–2,481.6 mm).

Premium Bearings: Both the ID mount bearing and the end mount bearing utilize spherical tapered lock roller bearings.

Precision Alignment: The end mount allows for ±0.25 inch (6.35 mm) fine adjustment to ensure precise boring bar centering.

Dual-Function Option: An optional dual-action Boring/Facing Arm expands the facing range, allowing both boring and facing operations without changing equipment.

Full-Length Square Ways: The Boring/Facing Arm features full-length square ways for quick positioning anywhere along the arm; it connects via a clamp and a precision-fit tool holder to ensure rigid tool mounting.

Independent Adjustments: Features independent adjustments for the tool holder, split nut, Boring/Facing arm alignment, and tool block to achieve optimal machining performance.

Rigid Tool Holding: The precision-fit tool holder clamps onto the boring bar for facing; for boring, the clearance between the holder and bar is adjustable. This flexible design ensures extreme rigidity in both modes.

Split-Frame Construction: The precision-fit tool holder uses a split-frame structure for easy installation and removal on the bar, compatible with either the Boring/Facing head assembly or the new Boring/Facing arm assembly.

Dual Heads: Configured with front and rear boring heads, allowing simultaneous machining with two boring heads.

New Arm Option: For greater radial travel and extended facing range, the new Boring/Facing Arm is available. It is easy to install and features an industry-standard quick-change tooling system for both boring and facing.

Standard Tooling: The versatile tool block accommodates industry-standard tools, fitting nominal 1-inch (25.4 mm) square tool bits.

Rotatable Holder: The tool holder on the Boring/Facing arm can be rotated for maximum layout flexibility (including partial overhang configurations).

Superior Design & Reliability

Modular Rigidity: Unique modular tool holder design transfers machining forces directly to the boring bar via optimized adjustable guide gibs, significantly enhancing strength and rigidity.

Hard Chrome-Plated Bar: The boring bar is hard chrome-plated, with straightness controlled to within 0.001 inch per foot (0.0254 mm per 304.8 mm).

Sighting Option: Boring bar with a sighting target is available as an option.

Split Nut Design: The adjustable, removable split nut enhances the flexibility of the precision-fit tool holder; the holder is easily removed for multi-bore machining.

Wear Adjustment: Equipped with a wear adjustment nut that can be adjusted in the field to eliminate tool holder play, extending the equipment's service life.

Specifications

ItemImperial UnitsMetric Units
Boring and Facing Range

Standard Stacked Block Assembly Bore Diameter Range14.5 - 85.6 Inches368.3 - 2174.2 Millimeters
Boring Bar Diameter8 Inches203.2 Millimeters
Boring Bar Length

8 Feet

12 Feet

16 Feet

20 Feet

243.8 Centimeters

365.8 Centimeters

487.7 Centimeters

609.6 Centimeters
Boring/Facing Arm Assembly Bore Diameter Range

26 Inches (660.4 mm) Boring/Facing Arm
28.9 - 43.7 Inches734.1 - 1110.0 Millimeters
34 Inches (863.6 mm) Boring/Facing Arm36.5 - 59.7 Inches927.1 - 1516.4 Millimeters
53 Inches (1346.2 mm) Boring/Facing Arm55.1 - 97.7 Inches1399.5 - 2481.6 Millimeters
Mechanical Facing Head Assembly Facing Diameter Range

Mechanical Facing Mill Head Assembly, available in three machining strokes

5, 8, or 12 Inches (127.0, 203.2, or 304.8 Millimeters)
24.5 - 80 Inches622.3 - 2032.0 Millimeters
Sliding Arm Assembly Facing Diameter Range

26 Inches (660.4 Millimeters) Boring/Facing Arm23.1 - 43.7 Inches586.7 - 1110.0 Millimeters
34 Inches (863.6 Millimeters) Boring/Facing Arm23.1 - 59.7 Inches586.7 - 1516.4 Millimeters
53 Inches (1346.2 Millimeters) Boring/Facing Arm23.1 - 97.7 Inches586.7 - 2481.6 Millimeters
Facing Diameter Range of Boring/Facing Arm Assembly When Tool Holder is Reversed ("Reversing the Tool Holder" Refers to Rotating the Tool Holder so the Tool is on the Side of the Holder Closer to the Boring Bar)

26 Inches (660.4 Millimeters) Boring/Facing Arm14.0 - 17.4 Inches355.6 - 442.0 Millimeters
34 Inches (863.6 Millimeters) Boring/Facing Arm14.0 - 27.4 Inches355.6 - 696.0 Millimeters
53 Inches (1346.2 Millimeters) Boring/Facing Arm14.0 - 49.4 Inches355.6 - 1254.8 Millimeters
Performance Parameters

Rotary Drive Unit (RDU) Gear Ratio20:120:1
Hydraulic Motor Specifications (Affecting Torque and Speed)

Hydraulic Motor Displacement Range7.3 - 17.9 Cubic Inches119.6 - 293.3 Cubic Centimeters
Hydraulic Power Unit
10 HP / 25 HP7.5 kW / 18.5 kW
Mechanical Axial Feed Unit (AFU) Feed RateSix-Speed: 0.3 Inches/Rev, 0.45 mm/Rev, 0.6 mm/Rev, 0.75 mm/Rev, 1 mm/Rev, 1.2 mm/RevSix-Speed: 0.3 mm/Rev, 0.45 mm/Rev, 0.6 mm/Rev, 0.75 mm/Rev, 1 mm/Rev, 1.2 mm/Rev


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