Therefore, we design a boltclamped langevin type transducer with a tool clamping system for generating a highpower ultrasonic monopole. A typical langevin transducer, illustrated in figure 1, is formed by 4 piezoelectric rings, which are prestressed between two metal masses through a central bolt. Many designs of the langevin transducer have been reported in many. A labview program was developed for externally driving a signal generator. Strain gauges have proven their value in the electrical measurement of mechanical quantities and play a fundamental role in the design of various transducers for force, pressure, or torque as well as load cells. Pdf design and construction of a boltclamped langevin transducer. Bolted langevin ultrasonic transducer comsol multiphysics.
The design and construction of a boltclamped langevin type transducer is presented in conjunction with its 3d analysis using finite element analysis fea. Design of traveling wave ultrasonic vibration disk for. These components are connected together by a bolt, so the. Langevin france, it has been called a langevin type vibrator. Finally the control of the vibration amplitude is illustrated with experimental and simulation results in the last part. However, the design of the test transducer could be completely different than the driving transducer. Boltclamped langevin type transducers blt are common vibration sources in highpower ultrasonic applications such as ultrasonic cleaning tanks, ultrasonic plastic welding, ground sonar transducer, bio diesel mixer transducer, solid separation transducer, stop organism growth on boat hull, biodiesel mixing transducer, hightorque traveling wave ultrasonic motor. The 28khz, 70w boltclamped langevin transducer by itself is. The design of the piezoelectric actuator was based on a langevin transducer. Coupling massspring model of the langevin piezoelectric transducer. The chamber is made out of materials that can sustain.
A power langevin type transducer was designed and constructed using a pzt4 ceramic and two metallic elements one of steel and one of aluminum. Keywords finite element analysis, langevin transducer. Piezoelectric transducer design ultrasonic resonators. We use weka software by university of waikato to perform ann, svm, and c4. Modelling, identification and control of a langevin transducer hal. Structural design to maximum radiating power of langevin bolted. The electromechanical equivalent circuit 6, 7, 8, 9 of. A comparative assessment of classification methods for resonance. Langevin bolted transducers blt with two piezoelectric ceramics inserted between the front and rear plates are widely used in ultrasonic cleaner transducers and components of underwater acoustic antennas for a fish finder 1, 2. Langevin ultrasonic transducer this ultrasonic transducer, the piezoelectric element in between the metal block is nipped, is the ultrasonic vibrator of integral structure.
Modelling, identification and control of a langevin transducer. Smart load cell systems buy online or call 8003443965. Two different designs of the langevin transducer were evaluated, where the main. Langevin type transducer langevin transducer was invented in 1922 11 by paul langevin. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. The design and construction of a boltclamped langevin type transducer is presented in conjunction. Design and construction of a boltclamped langevin transducer. Langevins ultrasonic vibrators fuji ceramics corporation. Structural design to maximum radiating power of langevin.
The new mixer consists of a boltclamped langevintype transducer. Lindsay has a wonderful writeup about a new toy in the shop, an ultrasonic transducer. Design and finite element simulation of an ultrasonic transducer of. Actuators free fulltext nonlinear dynamic modeling of langevin. Thus, a new transducer design could be driven by an offtheshelf transducer and power supply. A design method of applied voltage waveform for highpower. However, looking at the physical point of view, the frequency response of the transducer is influenced by the elasticity of the bolt, since the whole structure is bolted together. This means if using a form union finishing method, the top part of the bolt becomes part of the layers it clamps and is unable to stretch. Data logging software for model dpm3 load cell display, model ssi hand held display and model sst transmitters. Acoustic mixing in microfluidic chip using a langevin transducer. And it is very important to attain a maximum ratio of vibrating velocities of the front and rear plates of transducers in radiating medium by choosing the optimal. Smart material is offering engineering services for modeling, development, production and test of ultrasound transducers based on. Abstract the design and construction of a boltclamped. Abstract the design and construction of a boltclamped langevin type transducer is presented in conjunction with its 3d analysis using finite element analysis fea.
1278 1091 1101 1155 361 1035 86 217 1397 1502 1432 1288 96 696 194 1283 702 403 1201 656 317 1388 384 36 1348 691 41 336 1036