Metallurgical products

Laminar Cooling Roller

Product Details and Inquiry Notes

Laminar cooling rollers are installed between the finishing mill and coiler in hot strip lines and are mainly used for strip cooling. Repair requires fatigue-layer removal, cladding performance and finishing accuracy to be considered together.

Technical Data

ItemDescription
Repair ProcessTurning, inspection, preheating, high-power laser cladding, semi-finishing, grinding and final inspection
Preheating250-300 C
Cladding HardnessHRC55-HRC60
High-temperature Resistance800 C
Related RollersTransfer rollers, blooming rollers, S rollers, foot rollers, steering rollers and continuous casting rollers

Applications

Spare parts for hot rolling, continuous casting, reheating furnaces and coiling lines

Repair and processing of rollers, shafts, housings, guides and slide parts

Dimensional restoration after surface wear, corrosion or fatigue-layer removal

Inquiry Data

  • Provide drawings, material grades, original dimensions and photos of worn areas
  • Indicate workshop processing or on-site repair needs and shutdown window
  • Confirm hardness, NDT, roughness, dimensional and geometric tolerance requirements

Manufacturing and Repair Path

Step 1

Remove the roller surface fatigue layer by turning

Step 2

Check diameter and hardness and perform penetrant testing

Step 3

Apply high-power laser cladding after preheating

Step 4

Reserve machining allowance, then grind to drawing dimensions and surface roughness

Step 5

Complete final inspection before delivery

Project Experience

  • 79 image/video records for laminar roller repair.
  • 27 image records for bearing housing repair.
  • Project experience covers liner plates, pinch rollers, side guides, copper nut repair and other metallurgical spare parts.

Technical plans can be confirmed according to drawings, working conditions, inspection standards and delivery requirements.

Related Products

Rolling Mill Gearbox Housing

Metallurgical products

View Details

Product Detail Index

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