Troubleshooting for coating machines

Wear on Coater Drive Components
During operation, coating machines frequently encounter issues involving wear on their drive components-such as wear on the drying cylinder shaft journals or the bearing housings of the paper-winding rollers. Traditional repair methods-including surfacing (weld overlay), thermal spraying, and brush plating-each present specific drawbacks: Surfacing exposes the component surface to extremely high temperatures, potentially causing deformation or cracking, and in severe cases, leading to shaft fracture; meanwhile, electroplated coatings are limited in thickness and generate significant environmental pollution, thereby restricting their practical application. Specialized repair materials, characterized by excellent adhesion and compressive strength, enable the in-situ repair of worn coater components without the need for disassembly. Furthermore, possessing a degree of elastic compliance that metals lack, these materials effectively absorb operational shocks and vibrations, thereby preventing secondary wear.

Damage to Coater Concrete Foundations
Due to factors such as corrosion, material aging, and equipment vibration, coating machines can also sustain damage to their concrete foundations and other structural bases. This damage often results in the loosening of the bolts used to anchor the equipment, thereby severely disrupting production operations. Relying on traditional concrete pouring methods to address such issues would significantly prolong the repair downtime-a consequence that most enterprises find difficult to accept.