Thermal Spray in Pulp and Paper
Machines producing paper and cardboard comprises of many parts that are prone to high wear and corrosion problems such as rolls. Coatings are used in several types of rolls and cylinders components such as:
- Center press rolls
- Dryer cylinders
- Calendar rolls
- Traction rolls
- Yankee cylinders
- Anilox rolls
- Corona rolls
- Feeder / Draw / Pull rolls
Clutch Components
- Coating materials used are iron and nickel-base alloys, nickel–chromium self-fluxing alloy, carbides, oxide, ceramics, and various multilayers, again depending on the application.
- Generally, rolls are coated by NiCrBSi coatings flame sprayed, and others by WC–Co coatings HVOF sprayed.