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K208B - Lincoln Electric NA-3S/NA-4 Wire Drive Assembly 95:1

Packaging: 1 Per Ea
$16,415.88/EA $10,259.93/1 Per Ea only $10,259.93/EASave 37%

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OVERVIEW

Lincoln Electric K208B Wire Drive for NA-3S and NA-4 Systems

The Lincoln Electric K208B Wire Drive is a critical component designed for integration with NA-3S and NA-4 automatic welding controllers. Engineered to meet the rigorous demands of heavy industrial fabrication, this wire drive assembly ensures precise and consistent electrode feeding, which is paramount for maintaining weld quality in automated processes. The unit is specifically calibrated with a 95:1 gear ratio, providing the necessary torque and speed control required for stable arc performance.

This model is optimized for feeding solid electrode wires ranging from 1/16 inch (1.6 mm) to 3/32 inch (2.4 mm) in diameter. The mechanical design focuses on durability and reliability, minimizing slippage and feed interruptions that can lead to costly rework or system downtime. It is important to note that the K208B configuration does not include high-frequency insulation, making it suitable for standard GMAW (MIG) and SAW (Submerged Arc) applications where high-frequency starting is not utilized. The robust housing protects internal components from the dust and debris common in welding environments.

Installation of the K208B is straightforward for maintenance personnel familiar with Lincoln Electric's automatic systems. It mounts directly to the compatible welding head fixtures associated with the NA-3 and NA-4 series. By maintaining the correct wire feed speed relative to the voltage and travel speed, this drive unit helps achieve optimal penetration and bead profile. For facilities utilizing Lincoln's legacy automatic systems, the K208B remains a vital replacement part to extend the operational life of the equipment.

In summary, the Lincoln Electric K208B Wire Drive offers a specialized solution for automated wire feeding. Its specific gear ratio and wire diameter range make it the ideal choice for applications requiring medium-gauge solid wires. Whether used in beam fabrication, pipe welding, or general heavy manufacturing, this drive unit delivers the performance consistency expected from Lincoln Electric industrial components.

Additional Information
Brand:Lincoln Electric
Packaging Description:1 Per Ea
Gear Ratio:95:1
Wire Diameter Range:1/16 in (1.6 mm), 3/32 in (2.4 mm)
Compatibility:NA-3S Controller, NA-4 Controller
Insulation Type:No High Frequency Insulation
Application:Automatic Welding, Heavy Fabrication

INCLUDED

  • 1 x K208B Wire Drive Assembly (95:1 Gear Ratio)
  • Installation Hardware
  • Operator Manual

APPLICATIONS

  • Heavy Fabrication
  • Structural Steel Welding
  • Automated Pipe Welding
  • Tank and Vessel Manufacturing
  • Submerged Arc Welding (SAW)
  • Gas Metal Arc Welding (GMAW) Automation
  • Shipbuilding

FAQ

The K208B Wire Drive is specifically designed for use with Lincoln Electric NA-3S and NA-4 automatic wire controllers.

This wire drive is rated for solid electrode wires ranging from 1/16 inch (1.6 mm) to 3/32 inch (2.4 mm).

The K208B features a 95:1 gear ratio, optimized for the torque and speed requirements of the specified wire sizes.

No, the K208B does not include high-frequency insulation. It is intended for applications that do not require HF starting.

While the description specifies solid electrode wires, the drive mechanism may handle cored wires of similar diameter, but it is optimized for solid wire. Always check specific drive roll requirements for cored wires.

No, this is the Wire Drive assembly (motor and gearbox) that acts as the mechanical feeding head. It requires the NA-3S or NA-4 controller to operate.

It is commonly used in heavy fabrication, shipbuilding, and structural steel industries where automatic welding is prevalent.

The unit mounts to the automatic welding fixture and connects to the NA-3S or NA-4 controller via the standard control cable. Refer to the specific IM (Instruction Manual) for the NA-3/NA-4 system for wiring diagrams.

CATALOGUE & SPEC SHEETS

Spec Sheet