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Parts and contaminants

Carburettors, moulds, circuit boards, filters, bearings: what comes off, how, and with which machine.

55 articles

Parts and contaminants · 5 min readUltrasonic cleaning of surgical instruments before sterilisationA steriliser only works on a clean instrument. What the ultrasonic step in reprocessing removes, how instruments are loaded and how the result is checked.

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 · 5 min readUltrasonic cleaning of orthopaedic implants in productionImplants carry coolant, polishing compound and particles on their way to packaging. The cleaning sequence, what ISO 19227 asks for, and the equipment.

Parts and contaminants · 4 min readUltrasonic cleaning of medical tubing, cannulas and channelsInside a narrow lumen nothing flows unless something pumps it. How to clean cannulas, tubes and drilled channels in production, and prove the inside is clean.

Parts and contaminants · 4 min readUltrasonic cleaning of laboratory glasswareThe detergents, temperatures and rinses that get beakers, flasks, pipettes and sieves clean enough for the next analysis, and the care volumetric glass needs.

Parts and contaminants · 5 min readUltrasonic cleaning of electronic connectors for reliable contactOxide, flux, dust and old lubricant raise contact resistance. How to clean connectors, pins and charging ports without harming gold, silver or tin plating.

Parts and contaminants · 4 min readUltrasonic cleaning of communication equipment componentsRF housings, cavity filters, waveguides and antenna parts, often plated aluminium: gentle chemistry, no etching, no loose particles, and dry cavities.

Parts and contaminants · 4 min readUltrasonic cleaning of battery components before assemblyCell cans, lids, tabs, busbars, housings and cooling plates carry oil and particles into welding and bonding. How to clean them; cells never go in a bath.

Parts and contaminants · 4 min readUltrasonic cleaning of veterinary surgical instrumentsBlood, hair and bone dust in box locks and serrations: how a veterinary practice cleans instruments before sterilisation, and the machines that fit.

Parts and contaminants · 4 min readCleaning sensors and microelectronic parts with ultrasoundSensor housings, probes, optical windows and sensor elements before assembly: what ultrasound cleans well, and which sensor types must never go into the bath.

Parts and contaminants · 4 min readCleaning precision electronics without damageWhich electronic components tolerate ultrasound and which do not, and how frequency, power, time, support and a sample test keep a cleaning process safe.

Parts and contaminants · 4 min readCleaning microsurgical instruments with ultrasoundMicrosurgical tips bend or break on contact. How fine instruments are held, cleaned and checked in hospitals, repair workshops and manufacturing.

Parts and contaminants · 4 min readCleaning medical device components before assemblyMachined, moulded and stamped parts bring oil, mould release and particles into a device. How to set up the cleaning step and validate it under ISO 13485.

Parts and contaminants · 4 min readUltrasonic cleaning in hospital technical servicesCastors, trolley parts, kitchen filters and grilles: what a hospital's technical service can clean in an industrial tank, and the line it must not cross.

Parts and contaminants · 4 min readCleaning electronic parts before assembly with ultrasoundHousings, heat sinks, shields and frames carry oil, chips and fingerprints into the device. How to clean them first, and why conductive particles matter.

Parts and contaminants · 4 min readCleaning electronic modules after repair with ultrasoundRework flux, corrosion after liquid damage and old dust: how to clean a repaired module, what to remove first, and why solvents never go in a heated tank.

Parts and contaminants · 4 min readCleaning dental instruments with ultrasoundBurs, files, forceps and hand instruments carry blood, calculus and cement. How the ultrasonic step fits dental reprocessing, and what stays out of the bath.

Parts and contaminants · 3 min readUltrasonic cleaning of stainless steel food contact partsValves, pump rotors, fittings, nozzles, sieves and change parts in AISI 304 and 316 stay hygienic only if their surface stays clean and passive. How ultrasonic cleaning fits between dismantling and disinfection, the chemistry that protects stainless, the mistakes that make it rust, and how the result is verified.

Parts and contaminants · 4 min readUltrasonic cleaning of precision parts before quality inspectionA coolant film or a single chip on a datum face is a measuring error, and a part that comes out of a warm bath is not yet the size on the drawing. How to clean precision parts so the inspection measures the part and not its dirt, and how cleaning relates to a technical cleanliness test.

Parts and contaminants · 3 min readUltrasonic cleaning of packaging equipment componentsFilling nozzles, dosing pistons, forming sets, sealing jaws, cutting knives and vacuum cups collect product, film residue and dust between format changes. Which packaging parts are cleaned in an ultrasonic tank, how to treat heat-sealing jaws and coated parts, and how cleaning fits a format or allergen changeover.

Parts and contaminants · 4 min readUltrasonic cleaning of knives in food processing plantsHand knives, steels, scabbards and knife baskets collect fat and protein in the handle joint and along the edge, where a quick rinse leaves them. How a knife-cleaning station with an ultrasonic tank fits the shift, the temperatures that keep protein from baking on, and the steps before disinfection.

Parts and contaminants · 4 min readUltrasonic cleaning of industrial filters for reuseStainless mesh, sintered metal and wire-wound filters can be cleaned and reused many times; paper and felt cannot. Which filters are worth cleaning, how to get the dirt out of the depth of the medium rather than just its surface, and how to prove a cleaned filter is fit to go back into service.

Parts and contaminants · 4 min readUltrasonic cleaning of heat exchangers in industryScale, oil, biofilm and deposits on plate packs, tube bundles and coolers cost heat transfer and pumping energy. Which heat exchangers can go into an ultrasonic tank and which cannot, the two-step chemistry for scale and oil, tank sizes for plates and bundles, and the checks before the exchanger goes back into service.

Parts and contaminants · 3 min readUltrasonic cleaning of food processing mouldsChocolate and confectionery moulds, cheese moulds, depositor plates and pasta dies hold product in cavities, perforations and die holes. How ultrasonic cleaning reaches them, the gentle chemistry polycarbonate and bronze need, and the loading that keeps moulds from being scratched.