ULTRASONIC WASHING UNITS
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ULTRASONIC WASHING UNITS Everlasting solutions

ULTRASONIC WASHING UNITS ULTRASONIC CLEANING This method of cleaning uses high frequency sound to remove contaminants from a surface immersed in water: dirt, oil, grease, ink, paint, glue, detaching agents... Materials which can be cleaned by ultrasound include metal, glass, ceramic and many others. Ultrasonic cleaning is powerful enough to remove the most tenacious contaminants, but delicate enough not to damage the underlying surface; it penetrates into the smallest cracks and between closely joined parts. ULTRASONIC CAVITATION This physical process employs alternating positive and...

DEEP, UNFAILING CLEANING CONTAMINANT CLEANING CHEMISTRY PART BEING CLEANED In most cases, cleaning a surface requires that the contaminant be dissolved, moved or both. The mechanical effect of ultrasonic energy both dissolves and moves the contaminating particles. To dissolve a contaminant, the detergent must come into contact with the surface being cleaned (fig. 2). SATURATED CLEANING CHEMISTRY When the chemical detergent dissolves the contaminant, a saturated layer is created between the fresh detergent and the contaminant itself; this impedes the action of the detergent because the...

HOW ULTRASOUND IS GENERATED To produce the positive and negative pressure waves in the water, a mechanical vibrating device is required. The ultrasound is produced by a diaphragm applied to high frequency transducers. An electronic generator makes the transducers vibrate at their resonant frequency, thus inducing an amplified vibration of the diaphragm which generates the pressure waves. The mechanism is very similar to that of a loud speaker, except that the frequencies involved are much higher. When the pressure waves are transmitted through the water, they generate the cavitation process...

THE TRANSDUCERS Another key component is the transducer, which transforms the power of the generator into high frequency mechanical energy. The transducers are generally positioned, depending on the application, on the sides or bottom of the washing unit. This is a low cost solution, but it compromises the durability and efficiency of the system; they may be welded directly into the tank (fig. 7) or housed in waterproof casings (fig. 8) which are immersed into the water solution. IST has taken the latter approach, which assures simpler maintenance, no downtime for transducer replacement and...

THE DESIGN SYSTEM The design of any cleaning system must account for at least the following factors: • the type of contaminant • the level of cleaning desired • the geometry of the parts being cleaned and the material of which they are made • the amount of surface being cleaned Once the overall cleaning process has been chosen, the size of the system will depend on the geometry of the parts, the system’s productivity, and the necessary cleaning time: heavy industrial applications require heavy duty industrial ultrasonic equipment. Other factors which must be taken into consideration include...

THE WASHING SOLUTION The choice of an ultrasonic washing solution is as important as that of the machine’s equipment and design. Product developers are designing chemical products that meet the requirements of cleaning operations and at the same time respect occupational health and safety and environmental requirements. Whenever possible, it is best to use a water based detergent: this is an excellent, non-toxic, non-flammable and eco-friendly solvent. However, disposing of the wastewater may be difficult and costly. Furthermore, the high surface tension in solutions without detergents...

Installation area NON HAZARDOUS Typical application Blades / Inkwells / Flexo and roto machine parts / Ink recirculation tanks / Cans and buckets / Carter / Various equipment VUNEXT LEVEL CLEANING Deep cleaning for more complicated geometries and high power delivery to large volumes (up to 2 m3) are the strengths of this series, with its ability to deep clean large amount of parts of any type. They feature 2 to 5 high performance generators which operate synchronously to maximise efficiency; the control units are independent, for more personalised control. Once the basket is loaded, the...

THE DIFFERENCE BETWEEN WASHING AND CLEANING Installation area NON HAZARDOUS Typical application Rotogravure cylinders / Anilox sleeves / Anilox rollers / Engraved sleeves To formulate the correct tone of ink, one must know the actual condition of the anilox rolls throughout their service life; cleaning them properly is critical to efficient ink transfer, coverage, density and conformity of the colour, and the resulting print quality in general. LRC series machines regenerate the anilox rolls, restoring colour to your prints and reducing your ink consumption. Various sizes (up to 3,900 mm...

LA NW - LPULTRASONIC CLEANING FOR ALL Installation area NON HAZARDOUS Typical application Blades / Inkwells / Rotogravure cylinders / Anilox sleeves / Anilox rollers/ Engraved sleeves / Various equipment This product range is designed to satisfy the growing demand for high-technology equipment for washing also small-sized parts. The LA NW series is dedicated to washing anilox rolls for label printing, while the LP series is designed for part washing. They are modular units which, with their enormous versatility and wide range of accessories, can be configured for innumerable industrial...

CERTIFICATIONS SAFETY FIRST Safety is a critical factor in the choice of a distillation solution. IST has a long, well established experience in flammable liquid treatment. Combining the benefits of the Made in Italy brand with the use of cutting technologies, our products conform to all EU legal requirements and those of many other countries. Since 1997 our processes have been controlled by a certified Quality System, currently pursuant to UNI EN ISO 9001:2015. DISCLAIMER This publication is a general guide: the photographs, illustrations and technical data may refer to models still being...