35KHZ 500w Ultrasonic Welding Transducer with One Connected Screw
Description:
ultrasonic transducer is an energy conversion device whose
performance description and evaluation requires many parameters.
The characteristic parameters of the transducer include resonance
frequency, frequency bandwidth, electromechanical coupling
coefficient, electroacoustic efficiency, mechanical quality factor,
impedance characteristics, frequency characteristics, directivity,
transmission and reception sensitivity, and the like. Transducers
for different applications have different performance parameters.
For example, for an emissive transducer, the transducer is required
to have a large output power and high energy conversion efficiency;
and for a transducing transducer, a wide requirement is required.
Frequency band and high sensitivity and resolution. Therefore, in
the specific design process of the transducer, the relevant
parameters of the transducer must be rationally designed according
to the specific application.
Specifications:
| Model | QR-3035-4BZ |
| Frequency | 35khz |
| Output power | 500 watt |
| Joint bolt | M10 |
| Ceramic disc Diameter | 30mm |
| Qty of ceramic discs | 4pcs |
| Capacitance | 5.5-6.2nf |
| Amplitude | 6 um |
| Application | Plastic welding machine |
Piezoelectric ceramic sheet production process:
The process of piezoelectric ceramic sheets is as follows:
batching--mixing and grinding--pre-sintering--secondary
grinding--granulation--forming--displacement--sintering into
porcelain--shape processing--electrode- - High pressure
polarization - aging test.
1. the ingredients: pre-treatment, remove the impurities, and then
weigh the various raw materials according to the proportion of the
formula, pay attention to a small amount of additives should be
placed in the middle of the bulk.
2. Mixing and grinding: The purpose is to mix and mix various raw
materials and prepare conditions for complete solid phase reaction
for pre-firing. Generally, dry grinding or wet grinding is adopted.
Dry grinding can be carried out in small batches, and agitation
ball milling or airflow pulverization can be adopted in large
batches with high efficiency.
3. Pre-burning: The purpose is to conduct solid-phase reaction of
various raw materials at high temperature to synthesize
piezoelectric ceramics. This process is very important. Will
directly affect the sintering conditions and the performance of the
final product.
4. the second fine grinding: the purpose is to re-sinter the
pre-fired piezoelectric ceramic powder and finely grind it to lay a
good foundation for the uniform performance of the porcelain.
5. Granulation: The purpose is to form a high density of fluid
particles with good density.
6. Molding: The purpose is to press the pelletized material into
the desired preformed blank.
7. Distorting: The purpose is to remove the binder added during
granulation from the blank.
8. Sintering into porcelain: The blank is sealed and sintered into
porcelain at high temperature. This link is very important.
9. shape processing: grinding the finished product to the required
finished product size.
10. Electrode: A conductive electrode is placed on the surface of
the desired ceramic sheet. The general methods are silver layer
infiltration, chemical deposition and vacuum coating.
11. High-voltage polarization: The ceramic internal domains are
aligned, so that the ceramic has piezoelectric properties.
12. Aging test: After the ceramic performance is stable, the
indicators are tested to see if the expected performance
requirements are met.
35KHZ 500w Ultrasonic Welding Transducer with One Connected Screw
