Sand Blast + Shining Anodize for CNC Machined Aluminium Part

Recently, some customers like the surface finish effect of sand blast + anodize, which is with less gloss.

They said:
“OK, so if you do NOT do sand blast, it will be more glossy? If so, yes we want sand blast finish on this part. So, WITH sand blasting first.”

“Yes, I like the effect of sand blast + shining anodize, please do that.”

Sand blast, it is used air compression to power form a high-speed injection beam, the spraying material, with high speed jet to the surface of the part, to change the surface appearance. Such as the cleanliness and roughness of the part, so that to improve the mechanical performance of the surface.

Glass Bead Blast is what we generally do for the aluminium part. And the surface will be more delicate than steel bead blast. Then it will be finished with Shining Anodize, with the according color, which is customized by the customer.