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Piezoelectric Ring-Ultrasonic Processing Transducer

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Zibo Yuhai Electronic Ceramic Co., Ltd.
Address :  No.57 Chuangye Road, Development Area Boshan, Zibo City, Shandong Prov. P.R. of China 
Tel :
+86-0533-4230012
Fax : +86-0533-4231700
Email : sales@zbyuhai.com

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Piezoelectric Ring-Ultrasonic Processing Transducer

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Piezoelectric ceramic ring

Electrode direction: thickness

Custom piezoceramic rings for vibration transducer and custom vibration transducer

Ultrasound vibration cutting has so many advantages that it can be widely used in cutting difficult-to-machine materials in aviation, aerospace, military and other fields.

1. Cutting of difficult-to-machine materials: heat-resistant steel, titanium alloy, constant elastic alloy, superalloy, stainless steel, chilled cast iron, engineering ceramics, composite materials and granite, etc.

2. Processing hardened steel parts and superhard parts can obtain high processing accuracy and surface quality: Hardened steel parts with hardness of HRC60 or above can be easily processed with carbide tools, such as high-speed steel, bearing steel, etc. Processing carbide with PCD tools can greatly improve the tool durability.

3. Forming Cutting: Using Forming Cutting Tools to Machine Various Types of Contour Surfaces, Internal and External Spherical Surfaces, Over-arcs, Conical Surfaces, etc.

4. Turning of slender rods and thin-walled parts

5. Turning of Ultra-fine Diameter Parts

6. Ultra-precision Machining

Applications: High power ultrasonic vibration transducer

Piezoelectric Ceramic Material: PZT-82

Piezoelectric elements technical data:
Dimensions:   Outer diameter 15mm, inner diameter 7 thickness 4mm
Radial frequency Fr:  102KHz ± 1KHz
Mechanical Coupling Coefficient K31  ≥0.33
Dielectric Loss tg δ:  ≤ 0.3%
Static capacitance Cs:    316pF ± 12.5%

 


Test Condition: 25±3 °C 40~70% R.H.

fr, Zm, Kr => Radial mode vibration

Cs tanδ => LCR meter at 1KHz 1Vrms

Piezo rings material for ultrasonic vibration transducer

"Hard" PZT materials              
Properties     PZT-41 PZT-42 PZT-43 PZT-82 PBaS-4
Dielectric Constant ɛTr3   1050 1250 1420 1100 1900
               
Coupling factor  KP   0.58 0.58 0.58 0.52 0.59
  K31   0.32 0.33 0.34 0.3 0.34
  K33   0.66 0.67 0.68 0.57 0.68
  Kt   0.48 0.48 0.48 0.4 0.49
Piezoelectric coefficient d31 10-12m/v -106 -124 -138 -100 -160
  d33 10-12m/v 260 280 300 240 380
  g31 10-3vm/n -11.4 -11.2 -11 -10.3 -9.5
  g33 10-3vm/n 28 25.3 24 25 22.6
Frequency coefficients Np   2280 2200 2160 2280 2200
  N1   1671 1613 1583 1671 1613
  N3   1950 1900 1875 1950 1850
  Nt   2250 2200 2200 2300 2200
Elastic compliance coefficient Se11 10-12m2/n 11.8 12.7 13.2 11.6 13.2
Machanical quality factor Qm   1000 800 600 1200 2200
               
Dielectric loss factor Tg δ % 0.3 0.4 0.5 0.3 0.5
Density ρ g/cm3 7.5 7.5 7.5 7.6 7.5
Curie Temperature Tc °C 320 320 320 310 310
Young's modulus YE11 <109N/m3 85 79 76 86 76
Poison Ratio     0.3 0.3 0.3 0.3 0.33

Yuhai company provides

Ÿ Piezoceramic materials (PZT) , more than 30 formulations of piezo materials

Ÿ Piezoceramic components

Ÿ Customized piezo ceramic components and ultrasonic transducers/transducers

Ÿ Various different shapes in many different geometries such as disks, plates, tubes, customized shapes

Ÿ High resonant frequencies to 10 MHz

Ÿ Piezo composite machining

Core Competences of Yuhai piezo ceramic elements

Ÿ more than 30 formulations of piezoelectric materials, stable and superior performance, to meet various piezo applications.

Ÿ Forming process with dry pressing, rolling film and isostatic pressing.

Ÿ High precision machining equipment for other special shaped components such as inner, outer circle and hemisphere.

Ÿ be the manufacturer of supplying the most complete components varieties in China.

Ÿ Certified in accordance with ISO 9001.

Ÿ product consistency reached 99.9%

OEM Adaptations

Ÿ Piezo transducers for ultrasonic applications

Ÿ Assembly of complete transducer components

YUHAIYUHAIYUHAIYUHAIYUHAIYUHAIYUHAI

 

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EMAILS: sales@zbyuhai.com

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