Repair and recovery of design tolerances
Repair of worn components
The various types of stress to which components are subject during use will after some time leave clear signs of wear. Thermal spraying process can be used to extend the life cycle of a component or to maintain the functional efficiency of a surface (sealing surfaces, bearing seats, shaft oil seal seats).
Faulty workpieces can also be given a thermal spray coating and then mechanically machined to return them to design tolerances.
The coating thickness produced by thermal spraying depends on the type of substrate, the coating material used and the geometry of the workpiece.