FDG6500 Portable Circular Milling Machine – Large-Diameter Flange Machining

Heavy-Duty On-Site Milling for Large Industrial Flanges

The PIINC FDG6500 Portable Circular Milling Machine is a heavy-duty portable machining solution developed for large-diameter flanges and substantial industrial components. Primarily using milling processes, it is designed for applications such as wind tower flange machining and large crane base machining.

With a facing range of 2,600–6,500 mm (102–256 inches) and a clamping range of 2,600–6,000 mm (102–236 inches), the FDG6500 supports machining requirements involving extra-large flange surfaces. Its milling spindle head features a #50 taper spindle designed to accommodate face mills up to 250 mm (approximately 10 inches) in diameter.

The FDG6500 combines a heavy-duty, high-precision bearing system with an adjustable anti-backlash unit to support stable machining and improve positioning accuracy and repeatability. A standard two-output hydraulic power unit provides power for machining operations, while an intuitive touchscreen allows operators to edit machining contours and adjust rotation angle and speed.

For applications requiring additional surface finishing, an optional grinding component is available. The machine can also be installed horizontally, vertically, or externally to accommodate different on-site machining arrangements.

Key Features and Benefits

1. Large-Diameter Machining Capability

The FDG6500 is designed for large industrial flange machining, with a facing range of up to 6,500 mm. It is suitable for applications such as wind tower flange machining, large crane base machining, and other large-component machining projects.

2. Heavy-Duty, High-Precision Bearing System

The machine uses a heavy-duty bearing system designed to provide stable support during prolonged, high-load machining operations. This construction helps maintain machining stability and supports consistent, repeatable results.

3. #50 Taper Milling Spindle

The milling spindle head features a #50 taper spindle and accommodates face mills up to 250 mm (10 inches) in diameter, according to the supplied specifications. This setup supports face milling operations on large industrial components.

4. Adjustable Anti-Backlash Unit

The FDG6500 incorporates a patented backlash-elimination mechanism designed to reduce positioning errors caused by mechanical clearance. This feature helps improve positioning accuracy and machining repeatability.

5. Standard Two-Output Hydraulic Power Unit

The standard two-output hydraulic power unit provides power for the machine's hydraulic operations. The supplied description specifies a maximum cutting depth of 2 mm, supporting demanding flange machining and repair tasks. Actual performance may depend on the workpiece material and machining conditions.

6. Touchscreen Control Interface

The intuitive touchscreen allows operators to edit machining contours and adjust rotation angle and speed. These controls provide convenient access to key machining settings when preparing for different jobs.

7. Optional Grinding Component

An optional grinding component is available for applications requiring additional surface finishing. It provides an alternative to milling-only operations when grinding is appropriate for the specified surface requirements.

8. Flexible Installation Positions

The FDG6500 can be installed horizontally, vertically, or externally. This flexibility helps accommodate different workpiece orientations and on-site machining requirements.

Technical Specifications

• Model: FDG6500

• Machine Type: Portable circular milling machine

• Primary Machining Method: Milling

• Facing Range: 2,600–6,500 mm (102–256 inches)

• Clamping Range: 2,600–6,000 mm (102–236 inches)

• Milling Spindle Taper: #50

• Maximum Face Mill Diameter: 250 mm (approximately 10 inches)

• Bearing System: Heavy-duty, high-precision bearing system

• Positioning Feature: Adjustable anti-backlash unit

• Standard Power Unit: Two-output hydraulic power unit

• Maximum Cutting Depth: 2 mm, as stated in the supplied description

• Control Interface: Touchscreen for contour editing and rotation angle and speed adjustment

• Optional Equipment: Grinding component

• Installation Positions: Horizontal, vertical, or external

Applications

The PIINC FDG6500 Portable Circular Milling Machine is suitable for large-scale machining and maintenance applications, including:

• Wind tower flange machining

• Large crane base machining

• Large-diameter industrial flange milling

• On-site machining of large industrial components

• Flange maintenance and repair

• Industrial equipment refurbishment

• Projects requiring flexible horizontal, vertical, or external installation

Why Choose the PIINC FDG6500?

The FDG6500 combines a large machining range, a heavy-duty bearing system, a #50 taper milling spindle, and an adjustable anti-backlash mechanism. Its touchscreen controls support convenient machining adjustments, while flexible installation positions help accommodate different on-site working arrangements.

For industrial manufacturers, maintenance teams, and on-site machining service providers, the FDG6500 offers a configurable solution for demanding large-flange machining projects.

PIINC Portable Field Repair Solutions supplies portable machining equipment for industrial maintenance, flange machining, and on-site repair applications.