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 HARD-FACING ROTOR TYPE IMPACTORS
(Continued)
Rotors and Bars
Scree n Grates
Manganese Steel
Manganese Steel
Primary Buildup Electrode: Page 1-22
Primary Buildup Electrode: Page 1-22
Alternate Buildup Electrode: Page 1-20
Alternate Buildup Electrode: Page 1-20
Primary Hard-face Electrode: Page 1-26
Primary Hard-face Electrode: Page 1-26
Alternate Hard-face Electrodes: Pages 1-25 or 1-22
Alternate Hard-face Electrodes: Pages 1-25 or 1-22
Welding Procedures: Rebuild dished rotors and bars
Welding Procedures: Rebuild badly worn grates with
with recommended buildup material; apply two layers
recommended buildup material and apply two layers of
of hard-facing alloy in stringer beads. When crushing
hard-facing alloy in transverse weld beads.
materials that are extremely abrasive yet relatively
easy to crumble, use electrodes on pages 1-26 or 1-25.
When crushing tougher materials, and higher impact is
involved, use electrodes on pages 1-25, 1-22, or 1-20.
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