Pzt8 Piezoceramic Ring Componnets for Ultrasonic Welding

Product Description

1.Product Description

- Piezo Material: PZT-8
- Dimensions: OD50*ID17*6.5mm
- Resonant Frequency: 35KHz ± 3KHz
- Static Capacitance: 2430pF ± 12.5%
-Resonance Impedance zm≤15
-Thick frequency Ft(khz): 320
-Coupling Modulus Kr(%):≥45

2.Some Standard Size of Piezo Ring

Range Of piezo ceramic ring
External diameter: 5.0 - 100mm
Internal diameter :(2.0 - 35mm)
Thickness : (0.2 - 15mm)

Choice of metallisation (Silver, Nickel, Gold and others on request)

Wide choice of PZT formulations

3.Typical value of "Hard" PZT materials performance：

Hard" PZT materials
Properties			PZT-41	PZT-42	PZT-43	PZT-82	PBaS-4
Dielectric Constant	ɛ^T_r3		1050	1250	1420	1100	1900

Coupling factor	K_P		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
	K_t		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	N_p		2280	2200	2160	2280	2200
	N₁		1671	1613	1583	1671	1613
	N₃		1950	1900	1875	1950	1850
	N_t		2250	2200	2200	2300	2200
Elastic compliance coefficient	S^e₁₁	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	Y^E₁₁	<10⁹N/m³	85	79	76	86	76
Poison Ratio			0.3	0.3	0.3	0.3	0.33

4. Welding Applications:

50*17*6.5mm Piezo ring is used for welding machine,Duo to Corona Virus ,the rapid requirements of piezo ring is needed in China and abroad, it is the basic component for mask machine.

5.Image:

Pzt8 Piezoceramic Ring Componnets for Ultrasonic Welding

Product Description

2.Some Standard Size of Piezo Ring

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