24.05.2012 | 22nd 5th 2012 at 16.00., Was inaugurated in The Pavilion - 19th Congress Hall edition of the International Engineering Fair in Nitra, which includes exhibitions EUROWELDING, CAST-EX, CHEMPLAST, EMA and STAVMECH - LOGITECH.
24.05.2012 | Observations from Shanghai - Chinaplas 2012
23.05.2012 | Plastic products must now meet higher requirements. In particular, standard plastics reach very quickly their temperature limits odolnosti.Cenovo effective alternative to expensive high-performance durable plastic is radiation cross-linking.
21.05.2012 | PLASTCOM® successfully passed the certification audit by TUV Nord and defended its management systems ISO 9001:2008 (Quality Management System) and ISO/TS 16949:2009 (Quality Management System with application in the automotive industry).
18.05.2012 | We will be glad you met on 17 May the Envirofilm in Kosice and 19 May in the Water Museum in Bratislava
17.05.2012 | Slovak plastics cluster (SPK) invites you to the first seminar of the series "Trends in the plastics industry", which will be held on 13 June 2012 at Brezina in Trencin. Seminar mediates interesting technical issues that professionals in the plastics industry will certainly use in practice.
Directory of companies by products - Ultrasonic cleaning
Belson - Ing.František Belančík
HF TECHNIK, s.r.o.
S PoweR product s.r.o.
Ultratech s.r.o.
Category Description
Ultrasonic cleaning Ultrasonic cleaning Ultrasonic cleaning is used as interoperable or final cleaning especially in engineering
,electrical
,chemical
,food industries
,as well as in healthcare
,optics
,precision mechanics and other labs. The ultrasonic energy together with a suitable cleaning fluid meets the stringent requirements for the cleaning process. Ultrasonic cleaning will substantially increase the quality of treatment compared with other modes of treatment that will remove impurities from the surface inaccessible places
,long holes
,and pore surface cleaning of objects. Another important variable is the operating frequency
,which is chosen according to the type of contamination of treated subjects. Current there are two kinds of working frequencies below 20 to 60 kHz for most technologies
,and above 350 to 700 kHz for the removal of particularly fine impurities
,eg. in microelectronics. When using ultrasonic cleaning is a special phenomenon which is called cavitation. Cavitation generated by ultrasonic wave high intensity in liquids. The liquids are harmoniously alternated with vacuum pressure (squeezing the dilution). Liquid is in the negative half period pressure tensile stress. In the negative half period
,ie the dilution caused by the vacuum
,violates the integrity of the liquid
,so it arises tube - cavern. Such a "hilarious" liquid is repeated in the rhythm of ultrasonic frequencies. In the next half period passes momentary value of the alternating pressure in liquids to positive values ​​(pressure restoration) and the tube was quickly closed
,the liquid will restore its integrity. The intense water hammer caused by liquid called cavitation. By design
,ultrasonic cleaners can be divided into: • compact cleaners - they have a built-in generator and ultrasonic cleaning bath consists of one unit
,usually a portable device or mobile on wheels • self-cleaning tanks - there are generators separate from the bath
,eg. grouped with other electronics production line
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