Requirements for derusting of shot blasting machine

Requirements for derusting of shot blasting machine
1. Requirements for derusting quality grade
To be coated with water - based inorganic zinc - rich coating of steel appearance, it is necessary to shot blasting or sand blasting to iso 8501-1(gb8923-88)Sa2.5 requirements.
Part of the repair coating, it is necessary to polish the steel surface to iso8501-1 (gb8923-88)St3.
2. Surface roughness requirements: the surface roughness requirements should be controlled within 35 ~ 65 m.
3, abrasive
(1) in order to ensure that the steel appearance after shot blasting or noise to reach the rule of cleanliness and surface roughness, it is recommended to use angular or round bead size of 0.3-0.8mm stainless steel sand.
The abrasive should be clean and dry, can not be stained by organic matter.
4, compressed air: sandblasting with compressed air, the pressure should not be less than 0.5mpa.
Last one: hook type shot blasting machine key repair and maintenance parts