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启江精密
Qijiang Precision Machinery

精密五金加工件
产品分类

Piezoelectric Ceramic Ring

ultrasonic welding machine piezoelectric ceramic is the heart of the transducer, which converts the electrical signal of the ultrasonic generator into a component of linear mechanical vibration.


Specifications

C±12% (PF)

tg(%)

Fs soil 3%(KHZ)

F(KHZ)

Rm
(Ω)

Qm

P-8

F-15

P-8

F-15

P-8

F-15

P-8

F-15

20*1.2

2130

3190

<0.3

<0.5

115

106

13

14

2

≥ 800

21.7*6

545

810

<0.3

<0.5

105

97

12

13

12

≥ 800

30*2.5

2500

3750

<0.3

<0.5

76

70

9

10

2

≥ 800

30*6.5

960

1440

<0.3

<0.5

76

70

9

10

4

≥ 800

50*3

5790

8700

<0.3

<0.5

46

42

5

5.5

2

≥ 800

50*3.5

4960

7400

<0.3

<0.5

46

42

5

5.5

2.5

≥ 800

50*5.5

3470

5200

<0.3

<0.5

46

42

5

5.5

3

≥ 800

60*3

8330

12500

<0.3

<0.5

38

35

4

4.5

2

≥ 800

10*5*2

260

390

<0.3

<0.5

153

140

11

11.5

10

≥ 800

11*5.5*2

315

470

<0.3

<0.5

139

127

10

11

10

≥ 800

20*9.8*5

420

630

<0.3

<0.5

77

71

5

5.5

20

≥ 800

20*10*5

416

620

<0.3

<0.5

76

70

5

5.5

18

≥ 800

25*10*4

910

1370

<0.3

<0.5

65

60

5

5.5

17

≥ 800

P32*10*5

1280

1920

<0.3

<0.5

55

50

4

4.2

18

≥ 800

32*10*6

1070

1600

<0.3

<0.5

55

50

4

4.2

18

≥ 800

32*12*5

1220

1830

<0.3

<0.5

52

48

3

3.2

18

≥ 800

35*15*5

1390

2080

<0.3

<0.5

46

42

3

3.2

15

≥ 800

38*15*5

1690

2540

<0.3

<0.5

43

39

3.4

3.7

12

≥ 800

40*12*5

2020

3030

<0.3

<0.5

44

40

2.5

2.8

12

≥ 800

40*15*5

1910

2850

<0.3

<0.5

42

38

2.5

2.8

12

≥ 800

40*17*5

1820

2730

<0.3

<0.5

40

36

2.5

2.8

12

≥ 800

40*20*5

1670

2500

<0.3

<0.5

38

35

2.5

2.8

14

≥ 800

45*15*5

2500

3750

<0.3

<0.5

38

35

2.5

2.8

10

≥ 800

45*20*5

2260

3390

<0.3

<0.5

35

32

2.5

2.8

12

≥ 800

50*16*5

3120

4680

<0.3

<0.5

35

32

2.3

2.6

10

≥ 800

50*17*6

2560

3840

<0.3

<0.5

34

31

2.3

2.6

10

≥ 800

50*17*6.5

2360

3540

<0.3

<0.5

34

31

2.2

2.5

10

≥ 800

P50*20*5

2920

4380

<0.3

<0.5

33

30

2.2

2.5

11

≥ 800

50*;20*6

2430

3650

<0.3

<0.5

33

30

2.2

2.5

12

≥ 800

55*25*7

2380

3570

<0.3

<0.5

28

26

2.1

2.4

12

≥ 800

60*20*7

3170

4750

<0.3

<0.5

28.7

26

1.8

2.2

10

≥ 800

60*20*10

2220

3330

<0.3

<0.5

28.7

26

1.8

2.2

15

≥ 800

60*30*7

2790

4180

<0.3

<0.5

25.5

23

1.9

2.2

16

≥ 800

60*30*10

1870

2800

<0.3

<0.5

25.5

23

1.8

2.2

17

≥ 800

69*33*8.9

2860

4290

<0.3

<0.5

22

20

1.7

2.1

21

≥ 800

70*30*10

2770

4150

<0.3

<0.5

23

21

1.4

1.6

18

≥ 800

70*33*10

2640

3960

<0.3

<0.5

22

20

1.5

1.7

18

≥ 800

piezoelectric ceramics are usually divided into "soft" or "hard". Hard piezoelectric ceramics are used in power applications. There are two basic types of hard piezoelectric ceramics, usually called PZT4 and PZT8(PZT stands for lead zirconate titanate composed of piezoelectric ceramics). All transducers in our company use PZT-8 piezoelectric ceramics. PZT-8 piezoelectric ceramics have higher quality factor Qm, higher safe working temperature (Curie temperature) and lower dielectric loss (tan & delta;).

Product Description:

process flow chart is as follows: batching-mixed grinding-pre-firing-secondary grinding-granulation-molding-plastic-sintering into porcelain-shape processing-electrode-high voltage polarization-aging test.

1. ingredients: carry out material pretreatment, remove impurities and moisture, and then weigh various raw materials according to the formula ratio, and pay attention to a small amount of additives to be placed in the middle of the large material.

2. mixing and grinding: the purpose is to mix and grind various raw materials evenly to prepare conditions for complete solid phase reaction for pre-burning. Generally, dry grinding or wet grinding is adopted. Dry grinding can be adopted for small batches, and stirring ball milling or airflow crushing can be adopted for large batches, with higher efficiency.

3. pre-burning: the purpose is to synthesize piezoelectric ceramics by solid-phase reaction of various raw materials at high temperature. This process is very important. It will directly affect the sintering conditions and the performance of the final product.

4.: The purpose is to mix and grind the pre-burned piezoelectric ceramic powder in fine vibration, so as to lay a good foundation for the uniform performance of porcelain.

5. granulation: the purpose is to make the powder form high density particles with good fluidity.

6. molding: The purpose is to press the prepared material into the required prefabricated size blank.

7. plastic discharge: the purpose is to remove the adhesive added during granulation from the blank.

8. sintering into porcelain: the blank is sealed and sintered into porcelain at high temperature. This link is quite important.

9. shape processing: grinding the fired products to the required finished product size.

10. to be electrode: a conductive electrode is arranged on the required ceramic surface. General methods include silver layer sintering infiltration, chemical deposition and vacuum coating. Eleven, high-voltage polarization: make the ceramic internal electrical domains directional arrangement, so that the ceramic has piezoelectric properties.

12. Aging test: After the ceramic performance is stable, test various indexes to see if the expected performance requirements are met.




Piezoelectric Ceramic Ring
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启江精密

产品分类

超声波焊接机

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微信:13057279529

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