Surface modification using abrasive blasting
AssigneeROLLS-ROYCE plc
InventorsCharles R H Johnson, Grant J. Gibson
Life of this patent
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Abstract
A method for the manufacture of a component comprises the following steps, in sequence using an additive layer manufacturing process to build a three-dimensional net shape of the component; performing a first abrasive blasting operation on a region of a surface of the component; and performing a second abrasive blasting operation on the region. The angle of incidence of the abrasive on the surface in the first abrasive blasting operation is less than the angle of incidence of the abrasive on the surface in the second abrasive blasting operation.
Claims8
A method for the manufacture of a component, the method comprising, in sequence:
- a. using an additive layer manufacturing process to build a three-dimensional net shape of the component;
- b. performing a first abrasive blasting operation on a region of a surface of the component;
- and
- c. performing a second abrasive blasting operation on the region thereby removing a minimal amount of material from the component, the minimal amount of material being less than an amount of material removed by the first abrasive blasting operation;
- wherein an angle of incidence of the abrasive on the surface in the first abrasive blasting operation is between 30 and 60 degrees, and
- wherein an angle of incidence of the abrasive on the surface in the second abrasive blasting operation is between 60 and 90 degrees.
Dependencies are inferred from the claim text.