Decision: Replacement of galvanic chrome by a wear-resistant coating of Plakart-0.08, Plakart-01.6 put with the HVOF method.
Problem: An initial coating – galvanic chrome. As a result of influence of the liquid abrasive environment, drilling mud of various aggression, subfilm corrosion, peeling, wear as a result of influence of sign-variable loadings appeared.
Equipment: The rod, is applied as a part of the hydraulic shock mechanism.
Operating conditions of a detail: Hydroabrasive environment, drilling mud.
Value for Customers:
- replacement of galvanic chrome by more eco-friendly materials, more resistant to aggressive environments;
- increase of work resource;
- maintainability;
- decrease on a third of costs of purchase of a new detail.
VNIIBT gives 300 hours (blows) of a guarantee for a rod with chrome, 1000 hours (blows) – on a rod with a carbide covering.