The success of Ultrasonic technique depends heavily upon the capability of a transducer to function in accordance with a particular application. ULTRASONIX is truly evolved for the necesity of reliable high performance transducers for all ultrasonic applications. Realising the need for high efficiency transducers and inspired by the sheer dedication to the improvement of ultrasonic testing standards, ULTRASONIX proudly announces a series of high efficiency ultrasonic transducers.ULTRASONIXoffers one of the most comprehensive selection of ultrasonic transducers that encompassses all non-destructive testing, medical and process applications. These are some of the highlights of ULTRASONIX transducers:
RTUL offers a wide range of custom built cleaning options. The ultrasonic process tanks are specially designed to give excellent batch activity. These custom built ultrasonic tanks are offered in standard volumes of 45 - 145 Ltrs with options of heating units, material basket, cover and application support. The tanks are built with 2mm thick SS 316 material and a have a number of transducers at the bottom or at the side depending on the application.
The tanks are designed as per customer specifications and the re-circulation filtering is provided on the customer's request. These tanks carry 10 years bonding guarantee and are suitable for operation up to 70 degree C continuously. The cleaners are available in frequency of 20, 30 and 40KHz and are available with either bonded transducers or immersible options.
He model dw 1000 delayed window module provides true window for advanced ultrasonic ndt and research applications. Its continuously adjustable delaying capability allows a user to select a specific region of interest of an ultrasonic signal for analysis of its specral content. It is compatible with all ultrasonic pulser receivers and other international pulser receivers.
important feature of the dw 1000 is minimum switching transients, continuously adjustable window position and width, selectable interface or main bang mode and adjustable blanking delay for eliminating unwanted signal immediately after the main bang
The general model USP-2500-1000 W is an ultrasonic pastic welding system to weld thermoplastic like PP, SAN, PS, ABS etc., The system consist of the following
The system comprises of multi-convertor where more than one numbers of convertor , horn come down and weld in a single stroke. It requires three numbers of generator and controller with fully automated PLC based fixtures.
4600 is fully portable instrument for assessing the strength of concrete either in situ or precast. It complies with the British Standard BS-4408 (Part V - 1974) and ASTM C-597.
4600 is designed with field conditions in mind and is very simple to operate. Its accuracy and stability is unmatched. 4600 generates low frequency pulses and measures the time of flight in the material. The time is displayed by 5 digit display. The time of flight and hence the velocity is related to the mechanical strength of concrete. The majority of concrete testing requires transducers with frequency of 50 to 100kHz. However higher frequencies are preferred for testing small specimens and achieving better timing accuracies. Wide range of transducers are offered with 4600. The high quality of transducers has been exploited to the fullest extent and the accuracy of the measurement is improved over the entire range to 100 nano seconds.
4600 M is a Microprocess version with following special features.
The moduler design of hf400 & he900 makes it compatible with other ultrasonic instrumentation and allow great flexibility when configuing system for a particular application. Hf400 and he900 pulser-receivers are ideal bases for a wide variety of ultrasonic systems with a particular emphasis on high frequency and low frequency applications respectively. These are versatile stand alone instruments with high energy broadband parameter.
They feature front panel controls that permit quick and easy adjustment of pulse energy, pulse repetition rate, waveform damping and receiver gain attenuation.
the pulser-receivers can be used with dw1000 delayed window module for a spectrum analyzer to measure frequency dependent material properties. They can also be used with 4503 module for material characterisation. When combined with an oscilloscope and appropriate transducers, the pulser receivers can be used for flaw detection, thickness gauging and sound velocity - measurements.
Replaceable face transducer from ultrasonix are designed to solve the majority of contact applications. Three different interchangeable facing are feasible with the same basic transducer. The option includes a flexible membrane, a delay line and a wedge for anglebeam testing. The tough flexible membrane is suitable to test material with rough surface, the delay line option is for thickness gauging and high temperature application, while different wedges can be attched for the shearwave investigation. The replaceable transducers are available from 10mm to 50mm diameter and in frequency range of 0. 4 mhz to 5 mhz. The transducer handling has been made easy with the built in metal flare.
Installation of sonoscreen components in screening machines
Sonoscreen can be installed or retrofitted in practically any operational screening machine. The following are supplied:
Ultrasonic generator as a complete electronic unit which can be mounted directly on the screening machine, in a central switchgear cabinet or, for example, on the nearest wall.
Ultrasonic screen resonator consisting of a convertor with a annular resonator which is welded into the screen frame by means of fixing plates, HF connection line with housing and plug.
he new Compact Cleaning Units Series TMC is equipped with the most modern microprocessor technology guarantying highest reproducibility with exact process control. This is an essential requirement for most cleaning applications as well as for efficient laboratory use.
The most important parameters for the cleaning application, Time, Power and Temperature, can be pre-selected digitally. The pre-selected power value is kept constant regardless of bath temperature, bath load or mains supply functions. Two sensors are used in the temperature measurement system, to guarantee fast heating-up of tanks contents, as well as holding the temperature difference within a minimum tolerance.
The ultrasonic generator is secured against short-circuit and overload conditions. All selected parameters stay stored (no batteries required) if the mains supply is interrupted. The comfortable operating design, the practical chrome-steel housing, the simple programming, as well as the display of various error codes are just a few further excellent features of this new unit series.
Tubular Resonator is new development from us which has a unique technical performance and economic advantage. The Ultrasonic Transducer, which produces longitudinal oscillations, is connected to tubular resonator which is immersed in the liquid. Longitudinal waves, causes expansion variations which are radially radiated into the liquid via the surface of the resonator tube.
The tubular resonator is made of high quality stainless steel and can be provided in different sizes to cover a wide range of applications. It can be used in the vertical or horizontal direction either partially or fully immersed.
Tubular resonator is ideally suitable for applications where high power density is required. The homogeneous sound distribution in the bath, with microprocessor control and monitoring of all operating conditions ensures repetitive and reliable ultrasonic fields. Tubular resonator also finds application where there are smaller openings available for cleaning or for existing system to increase power.
RTUL offers a wide range of tubular resonators in 20KHz, 25KHz, 30KHz, 36KHz and 40KHz and length ranging from 200mm to as high as 1.7 meters long. The generator has to be suitably selected, depending on the tubular resonator and various configurations which are listed below.
Ultrasonix offers a wide variety of anglebeam transducers for the inspection of welds, plates and pipes. These include standard, miniature and built-in wedge type anglebeam transducers. For economy, the standard and miniature transducers are used with removable plexiglass refracting wedges. All ultrasonix anglebeam transducers are aligned to assure accurate beam exit angles. The built in wedge anglebeams are suitable for routine inspection.
For thickness gauging of plates and, flaw detection of spot welds and bond testing ULTRASONIXpresents a wide variety of delay line transducers in which disturbances from initial pulses are significantly reduced. Delay lines for ambient and high temperature use are separately provided. Continuous use of high temperature delay line transducer is recommended to about 200°C, while intermittent operation to about 400°C.
To meet application of thickness gauging and bond testing in plastics, glass, composites, teflon etc.and where couplants may be objectionable, ULTRASONIX offers a wide range of dry coupling transducers.
ULTRASONIX has wide range of dual element transducers for NDT applications requiring close surface inspection, thickness guaging or corrosion monitoring. Three different types of duals are available. The potted duals are suitable for rugged and high temperature applications. The second type of duals are the delay line duals and are recommended for general NDT application. The third type of replaceable delay line duals have universal application. The delay of these transducers can be replaced and hence it has a very long life. These transducers have low cross talk, very high sensitivity and good resolution.
ULTRASONIX also offers variety of dual anglebeam transducer for critical anglebeam testing.
To serve all immersion applications that require extreme resolution and sensitivity, ULTRASONIXhas the master M-Series transducers. They feature single crystal for the utmost in beam uniformity and symmetry. M-series transducers are offered from 5 to 40 MHz frequency range in dimensions varying from 3 mm. to 25 mm. diameter. These devices are also available in rectangular and square shapes where wide beams are desired. The wide beam transducers are available in 5 to 10 MHz frequency range and in dimension varying from 5 mm x 10 mm to 10 mm x 75 mm .
ULTRASONIX has designed a wide range of miniature transducer to cover the most difficult limited access testing applications. These are available in a wide range of sizes and frequencies. The minimum diameter of transducer varies from 1mm and height less than 6mm. The miniature transducers are also available for angle beam application. These transducers are custom built. Consult ULTRASONIX for further assistance.
For all thickness gauging, flaw detection, dimensional analysis and general purpose ndt, ultrasonix offers a wide variety of straight contact hard face transducers from 2mm. To 50mm. Diameter in frequency range of 100khz to 30mhz. Typical feature of these devices are hard corrosion resistant stainless steel cases and low loss pure alumina wear faces (hardness: 81 on rockwell 45n). These transducers are bonded with composite sealants for even and longer lasting wear. For highest precision in axial resolution, ultrasonix contact transducers feature perfectly aligned geometric and acoustic centres.
The process in particular can be used where other welding methods fail or are uneconomic. Contrary to other welding processes, different types of materials can be bonded, as long as their hardness differences are not too great. Excellent results are possible with pure aluminium and copper. These metals can be bonded not only to themselves but also to many other metals, e. G. Gold, silver, silicon, nickel etc. As a rule the parts to be welded do not have to be pre-treated. The part turned towards the welding tool must not be too thick or too heavy, otherwise there is no relative movement. In the case of aluminium sheet, the maximum thickness is approx. 2 mm, otherwise there is no limit.
he system is an advance cold welding technique with continuous welding speed of 2 meters/ minute and continuous monitoring of weld quality. There is no use of solder or adhesive but the metallurgical bond is achieved by new Ultrasonic technique. It ensures a very high degree of thermal efficiency - 100% bond conductance.
The weld is continuous and there are no dry spots. Moreover, being a molecular welding technique, it requires a much smaller width of the weld to transfer the heat. It gives no restricted transfer of heat from the fin to the tube. For a large production line it gives very high throughput. A 2 meter long fin and tube can be welded in approximately 2 minutes. The running cost is absolutely minimal and there are no consumables. A very low electrical power is required for the entire machine (approximately 2 units/hour). As the technique uses cold welding process, the basic property of the copper tube and fin remains unchanged unlike in other mechanical processes where there is localized heating of the tube and fin.
The complete machine is semi-automatic with PLC controlled operations. It has improved the overall efficiency of Solar Thermal System.
When two plastic parts are bonded together a heating, melting and resolidification process - the conventional way we understand welding - we refer to the process as Welding.
Generally this is achieved when two similar plastics are bonded together, such as PS to PS, Nylon to Nylon, to PP to PP, or when compatible plastics are bonded together, such as ABS to PS or SAN to ABS etc.,
In ultrasonic welding, the Horn and Fixture are designed according to to part geometry. The Horn may need to incorporate reliefs, or match the contours of the part it is to weld.
In Utrasonic Welding, one component is held rigidly in a fixture, the other placed over it, so it aligns itself, without external support.
The horn contacts the upper part, couples to it and transmits ultrasonic energy, thereby vibrating it relative to the rigidly held lower part and creates friction heat, melt and flow at the joint interface.
When the ultrasonic is switched off, the melt resolidfies and a weld bond is formed.
Each step, the application of pressure, the trigger and timing of ultrasonic energy holding the assembly under pressure until resolidification is complete, is programmable and controlled by electronic circWhen two plastic parts are bonded together a heating, melting and resolidification process - the conventional way we understand welding - we refer to the process as Welding.
Generally this is achieved when two similar plastics are bonded together, such as PS to PS, Nylon to Nylon, to PP to PP, or when compatible plastics are bonded together, such as ABS to PS or SAN to ABS etc.,
In ultrasonic welding, the Horn and Fixture are designed according to to part geometry. The Horn may need to incorporate reliefs, or match the contours of the part it is to weld.
In Utrasonic Welding, one component is held rigidly in a fixture, the other placed over it, so it aligns itself, without external support.
The horn contacts the upper part, couples to it and transmits ultrasonic energy, thereby vibrating it relative to the rigidly held lower part and creates friction heat, melt and flow at the joint interface. uit.
Screening and treatment systems are absolute essentials in various industrial sectors for treating or processing material or for bringing it ultimately to the required size to allow further processing or direct use.
Screening and treatment come in various forms- manual, semi-automatic or fully automatic at different screening stages. The most important element in screening, however, is the method. The right technology determines the throughput with very fine mesh sizes and materials which are difficult to screen. This is of particular relevance, for example, to production companies in the fields of chemistry, pharmaceutics, food and semi luxury goods, plastics, metallurgy and the minerals industry. These industries make extremely tough demands on screening performance with minimum failure rates. Conventional screening technology is based essentially on a vibratory/tumbling motion of the screen which is responsible for the throughput and for the separation of the oversize. The ultrasound assisted SONOSCREEN screening system backs up the screen fabric with an additional uniformly vibrating motion in the mm range. This reduces the friction between the screen fabric and the bulk material which can result in a considerable increase in throughput, depending on the screen feed. At the same time the use of ultrasound reduces the danger of blinding since the screen fabric is constantly cleaned. This therefore guarantees continuous economic production. The associated running costs are minimized.
Ultrasonic Tube Sealing system is designed to be mounted as a station on all types of "inline" and "rotary" Filling Machines. The Ultrasonic energy is applied to the tubes present in the Sealing Station. The switch mounted on the filling Machines initiates the Weld Cycle. The Air cylinder advance the Anvil and Ultrasonic Horn towards the centre line of the tube. The tube is closed to a preset gap and held for the application of Sonic Energy.
When joining metallic or ceramic materials using ultrasonics, the energy needed for welding is applied in the form of mechanical vibrations imposed on the materials. The welding tool (the sonotrode) is connected to the part of the joint turned towards it , which causes it to vibrate in the longitudinal direction. The other part of the joint does not move, as this is secured to a fixed anvil element. In order for a relative vibration movement to be incurred between the parts which are to be welded, the connecting surfaces of the sonotrode and the anvil must feature a specific structure.
An ultrasonic generator converts the 50 Hz mains current into a high frequency AC current with an operating frequency of 20-70 kHz. The power requirement depends on the application and can be between 500 and 10'000 W. The electrical vibrations are changed in the converter unit into mechanical vibrations of the same frequency, transferred via the booster (the transformer unit) and the sonotrode onto the material which is to be welded. A control unit controls and monitors the welding process and also allows for the electronic assesment of the relevant welding parameters.
RTUL offers complete automation required for Plastic Welding Machines to achieve the desired production rate. Material handling automation is provided either through built in micro controller or through external PLC.
Accessories required for Plastic Welding Machine include convertor, booster, horn and fixture which are manufactured as per international standards and are of the highest quality.
RTUL is a leading manufacturer of Ultrasonic NDT equipment. The Company has achieved a very high standard and leadership in the design and production of Ultrasonic Transducers and testing equipment, including Thickness Gauges, Flaw Detectors, Concrete Testers and specialized Pulser receivers. All these instrument utilize ultrasonic sound to examine the internal integrity of metals, plastics and composite materials.
Each of our Flaw Detectors and Thickness Gauges require a Piezo Electric Transducer to convert electrical impulses to sonic energy. The resultant sound wave propogates through the material under test until reflected by a crack, inclusion, debond or the boundary of the part under test. The reflected acoustic wave is re-converted to electrical energy by the Transducer. The lapsed time and amplitude of the reflection yields information about thickness and\or integrity of the part.
RTUL manufacturer a wide range of conventional and microprocessor based equipment in this range. These instruments are being used by the indian industry for more than fifteen years and have been acclaimed as one of the best in the world.
RTUL has one of the most sophisticated manufacturing facilities with very high precision and sophisticated testing and calibrating instruments for all types of NDT machines. RTULmanufactures a wide range of Transducers from 25 KHz - 50 MHz in standard contact, immersion and air propagation applications.
ULTRASONIX offers various types of high temperature transducers for flaw detection, thickness guaging, Corrossion monitoring etc. Contact transducers available up to 200° C, Dual and Angle Probes up to 400° C, and delay line probes up to 1000° C.
APPLICATIONS AND ADVANTAGES OF THE ULTRASONIC RING WELDING PROCESS
With the ultrasonic ring welding process circular welds up to a diameter of 90 mm can be produced. The welding times are extremely short and are in the range of hundredths to tenths of a second. Suitable materials are primarily all ductile non-ferrous metals that can be welded to themselves and/ or one another. Ferrous or non-ferrous metals which are coated with aluminium, copper, gold, platinum or nickel can also be welded. The welding of ceramic materials to non-ferrous metals are examples of the many material pairing options.
With this process for example round containers and cans with a lid, without additional seal elements, can achieve helium tight seals. On the one hand no additional seals are necessary and on the other no loose particles are created during welding, the shelflife of chemical and pharmaceutical products can be very greatly extended. In addition virtually no heat is generated during the weld process, so there are no adverse structural changes in either the material, or in the contents of the cans. Furthermore, disposal is simplified, as no different types of materials (seals) are used.
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