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Process KnowledgeLaser Cladding

Laser Cladding Process Notes for Laminar Cooling Roller Repair

Laminar cooling is positioned between the finishing mill and coiler in a hot strip line. The transport rollers in this section are laminar cooling rollers. Their working conditions require dimensional restoration, surface hardness, wear resistance, corrosion resistance and high-temperature resistance to be considered together.

Laminar cooling roller
Laminar cooling roller product view.

Workflow

ProcessDescription
TurningRemove the surface fatigue layer
InspectionCheck roller diameter and hardness, perform penetrant testing and confirm that no cracks remain
Preheating250-300 C
High-power laser claddingWear resistance, corrosion resistance, HRC55-HRC60 hardness and 800 C high-temperature resistance
Semi-finishingReserve 0.1 mm allowance on one side according to the finished roller diameter
Grinding and final inspectionMachine to drawing dimensions and surface roughness, then complete final inspection

Inquiry Notes

For roller, shaft or bearing housing repair assessment, please provide component photos, worn areas, drawings, material grades, operating conditions, target dimensions and inspection requirements. The final process should be confirmed according to the actual component condition.

Insight Detail Index

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