Repair of gypsum dryer

Tire and rollers surface grinding. Roller shimming to achieve the leveling position. Roller skewing to achieve a balanced thrust.

Dyer mechanical inspection.

General measurements, diagnosis, conclusion and recommendations.Girth gear run out and wobbling, tyre wobbling and roller axis deflection, shell external topography, roller axis position, tyre and rollers topography. Burner axis alignment. Stifness matrix. Hertzian pressure analysis of tire, rollers and shell. Visual inspection.