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The Miller 281770 Friction Disc is a critical component for the maintenance of Miller wire feed systems. Located within the spool support or hub assembly, this disc acts as a brake, applying consistent friction to the wire spool. This resistance is vital for controlling the inertia of heavy wire spools; it allows the wire to feed smoothly during welding while bringing the spool to a prompt stop when the trigger is released. Over time, friction discs can wear down, glaze over, or crack, leading to inconsistent wire tension and the dreaded "run-on" of wire that causes tangles inside the feeder.
Technical Specifications:
Replacing a worn friction disc is a straightforward repair that can significantly improve the performance of your wire feeder. If you notice your wire spool continuing to spin after you stop welding, or if the tension adjustment knob no longer provides adequate drag, this disc is likely the culprit. This part is engineered by Miller to withstand the heat and mechanical stress of industrial environments, ensuring consistent braking torque over its service life. Keep your arc steady and your wire feeding correctly with this precise OEM replacement.
| Additional Information |
|---|
| Brand:Miller |
| Packaging Description:1 Per Ea |
| Product Type:Friction Disc |
| Inner Diameter:0.323 in |
| Outer Diameter:3.000 in |
| Thickness:0.125 in |
| Compatible Brand:Miller |
$350 Rebate
