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Using Ultrasonics To Clean Dirty Parts
When FARM SHOW editors saw an article in Green magazine on an ultrasonic cleaner, they told this writer to get one and try it out. The results were impressive.
Decades of oil and dirt residue on an old spring-bottom oil can disappeared. Jewelry was brighter and cleaner. A string trimmer replacement head unused for years but covered in old plant juice and grime cleaned up with a little light brushing.
Overall, the results were positive for the 5-pint machine. While the 5 1/2-in. by 9 1/2-in. by 2 1/2-in. high size limited its use to small parts, it could prove useful in most farm shops.
Ultrasonic cleaners work by creating high-frequency sound waves that agitate a liquid, creating bubbles. The agitation releases contaminants on most surfaces, including metals, plastic, glass, rubber and ceramics. However, the ultrasound waves also penetrate cracks and crevices, pulling out undetected dirt and grime.
Ultrasonic cleaners are easy to find online as well as in retail stores. We bought ours at Harbor Freight. The unit and a recommended cleaning agent came in at less than $100.
The Central Machinery Ultrasonic Cleaner offers different settings from 90 to 480 sec. and the option of added heat. We experimented with different settings, repeating when unsatisfied with the initial cleaning or increasing the duration. Naturally, the more grime, the longer cleaning took.
The manufacturer recommends activating no more than three cycles in a 15-min. period to avoid overheating. An automatic shut-off will activate after 45 min. of continuous use. Use can resume after cooling off for 15 min.
Contact: FARM SHOW Followup, Jim Ruen, 33750 Forster Rd., La Crescent, Minn. 55947 (ph 507-895-2229; farmshowjim@gmail.com).

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2022 - Volume #46, Issue #6