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040228 - Miller Spot Weld Tip Dresser for No. 4 Electrodes

Packaging: 1 PER EA
$798.63/EA $493.96/1 PER EA only $493.96/EASave 38%

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SKU: MIL040228 Category:

OVERVIEW

Precision Maintenance for Resistance Welding Electrodes

The Miller 040228 Tip Dresser is a specialized maintenance tool engineered for the rigorous demands of industrial resistance welding. Designed specifically for No. 4 RW (Resistance Welding) electrodes, this device is essential for maintaining the geometric integrity of electrode tips used in spot welding applications. In resistance welding, the current density at the weld interface is directly correlated to the contact area of the electrode tip. Over time, thermal cycling and mechanical pressure cause the copper electrode tips to deform—a phenomenon known as "mushrooming." This expansion of the contact area reduces current density, leading to weak, inconsistent, or failed welds.

This manual tip dresser allows operators to quickly and effectively restore the electrode to its original profile. By removing the mushroomed material and clearing away surface oxides and pitting, the tool ensures that the electrode maintains the precise contact diameter required for optimal heat generation and nugget formation. Regular use of the Miller 040228 not only improves process reliability but also significantly extends the service life of the electrodes themselves, reducing consumable costs and downtime associated with frequent tip changes.

As a genuine Miller Electric OEM product, this tip dresser is manufactured to high standards of durability and precision. It is compatible with standard No. 4 taper electrodes commonly found in various industrial spot welding machines. Whether utilized in automotive manufacturing, sheet metal fabrication, or general industrial repair, this tool is a critical component of a comprehensive welding maintenance program, ensuring that equipment operates at peak efficiency and adheres to quality control standards.

Additional Information
Brand:Miller
Packaging Description:1 Per Ea
Product Type:Tip Dresser
Compatible Electrode Type:No. 4 RW Electrodes
Welding Process:Resistance Welding, Spot Welding
Material Application:Copper Alloy Electrodes

INCLUDED

  • (1) Miller 040228 Tip Dresser for No. 4 RW Electrodes

APPLICATIONS

  • Automotive body repair and manufacturing
  • Sheet metal fabrication shops
  • HVAC ductwork assembly
  • Industrial resistance welding maintenance
  • General spot welding operations
  • Metal furniture manufacturing

FAQ

Its primary function is to reshape and dress No. 4 RW resistance welding electrodes to remove mushrooming and restore the proper tip geometry for consistent welding.

This tip dresser is specifically designed for use with No. 4 RW (Resistance Welding) electrodes.

Dressing tips maintains the correct contact area, ensuring proper current density. Mushroomed tips spread the current too thin, resulting in weak welds.

This is a manual hand tool designed for quick and easy dressing of electrode tips directly on the welding machine.

Yes, it removes a small amount of copper material to eliminate deformation and oxidation, revealing a clean, properly shaped surface.

Absolutely. By regularly dressing the tips, you can use the same electrodes for much longer before they need to be discarded and replaced.

Yes, this is a genuine Miller OEM part, ensuring compatibility and quality construction.

It depends on usage volume, but generally, you should dress the tips whenever you notice the contact face flattening out or if weld quality begins to degrade.