Epoxy Primer Drum RAL7031 Topcoat Lebus Groove For Winch

Epoxy Primer Drum RAL7031 Topcoat Lebus Groove For Winch

Product Description

This drum is manufactured from Q355D material with 60° right-hand Lebus double-parallel rope grooves. Sharp edges are broken, burrs and flashes are fully removed after machining. The welding is firm without missed-welding defects, and stress-relief treatment is performed after welding. After sandblasting, the drum is coated with epoxy zinc-rich primer and polyurethane topcoat for superior anti-corrosion performance. It delivers stable mechanical properties and fits for various hoisting winch working conditions.

Technical Parameter

Advantages

• Q355D base material features good low-temperature toughness and high impact resistance, suitable for heavy-duty complex working conditions.
• 60° right-hand Lebus double-parallel rope grooves guide neat wire-rope winding, reduce extrusion and wear, and extend wire rope service life.
• Post-weld stress-relief treatment minmizes welding deformation and improves operating stability of the drum.
• Complete coating system of sandblasting, epoxy zinc-rich primer and polyurethane topcoat provides outstanding anti-corrosion performance for harsh outdoor environments.
• Sharp edge breaking and burr-flash removal prevent wire rope scratching for safer assembly and operation.

Matters Need to Attention

• Before installation, inspect the rope groove surface for impact damage. Ensure all burrs and sharp edges are fully removed to avoid wire-rope cutting.
• Use properly-spcified wire rope, arrange rope following the 60° right‑hand groove direction to prevent rope disorder and extrusion.
• Overload operation is strictly forbidden to avoid structural deformation and failure.
• Regularly check welds and paint coating. Repair cracks on welds and peeling paint timely for anti‑corrosion maintenance.
• Inspect drum operation periodically. Stop equipment immediately if abnormal vibration or noise occurs for troubleshooting.

  

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