Gush is arenaceous

Long-term since air compresses what unit emerges to compress air not only use generally on the machine tool equipment of machining industry, and also using extensively in industry of metallic surface treatment, for instance gush arenaceous equipment compares clear case namely. The metal after cleared heat treatment, weldment, cast, forging wait for exterior oxidation skin (rustily) , incomplete salt and solder broken bits; Clear machine add tiny burr, wrap around sharp edge, exterior hangover; The change is versed in Ra is worth an exterior surface roughness; In workpiece surface spray, report