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Articles about: Before coating
6 articles
Parts and contaminants · 5 min readUltrasonic cleaning of circuit boards after solderingWash, deionised rinse, dry, test, coat: the full cleaning process for assembled boards after reflow, wave and hand soldering, and how to prove it worked.
Parts and contaminants · 4 min readCleaning parts before coating or painting with ultrasoundPaint, powder, plating and bonding fail on oil, fingerprints and residue. The cleaning sequence in front of a coating line, how to test that a surface is ready, the contaminants that cause craters and blisters, and how ultrasonic cleaning fits with conversion coatings and pretreatment.
Industries · 3 min readUltrasonic cleaning in industrial manufacturingParts off the machining centre, the press, the grinder and the heat-treatment furnace, cleaned before inspection, coating, assembly or shipping. What a manufacturing shop asks of a cleaning tank, the cleanliness specifications that drive it, and the set-ups from a single ST tank to an MT multi-tank line.
Parts and contaminants · 3 min readUltrasonic cleaning of brake calipers for reuseBrake dust, road grime, old fluid and surface rust come off a stripped caliper in one cycle, without dry brushing or blasting the bores. What is removed before the bath, the settings for cast-iron and aluminium calipers, and the steps between the bath and a caliper that is safe to refit.
Process and parameters · 4 min readRinsing and drying after ultrasonic cleaningThe wash lifts the soil; the rinse takes the wash off the part; the dryer takes the rinse off. Skip either and the part carries a film of detergent, or water in every blind hole. How each stage is done, from a bucket to a DT dryer tank.
Parts and contaminants · 3 min readRemoving rust, scale and oxideUltrasound alone does not remove rust; the chemistry does, and the ultrasound makes it fast and complete. Which chemistries work on steel, aluminium, brass and copper, why they do not go in a standard tank, and how to protect the bare metal you have just exposed.Let's find the right fit
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