Petro Mohyla Black Sea National University
Discussion
Started 27 March 2024
PZT (piezoelectric ceramic) precision injection valve ?
Hi,
I have no expertise in precision fluid mechanics and PZT (piezoelectric ceramics). Based on the foundation of precision manufacturing, I have recently been designing a PZT (piezoelectric ceramic) precision injection valve for high speed and precision injection of solder paste (5 #, viscosity solder paste).
Therefore, it is necessary to know the linear relationship between the 48V voltage of the "inverse piezoelectric effect" generated by the PZT (piezoelectric ceramics) and the tungsten steel firing pin (AF 312 material, diameter 1.5mm) and the nozzle (AF 312 material, internal hole less than 0.1mm), the core components of the precision injection valve.
As a rule of thumb, the deformation elongation of PZT (piezoelectric ceramics) is 32±0.2μm and the voltage is 48V (To my knowledge).
(1)How to further improve the inverse piezoelectric effect of PZT (piezoelectric ceramics) in order to achieve the application of piezoelectric ceramic injection valves and other precision injection devices ?
(2)How to further Improve response frequency and efficiency ?
Please suggest me something. Thanks.
Thank you for sharing and helping,
Best Regards,
Jiabin Xu (Jia-bin Xu)
Harbin Institute of Technology (HIT)
School of Mechatronics Engineering
Timestamp/ Time Line: 2024-03-27, Wednesday, Evenfall
All replies (1)
Do you have any working prototype of the device? What function should an ultrasonic generator perform? What is the configuration of the working chamber and the position of the nozzle in this chamber?
If there is no prototype, then this is a huge research work, with problems unknown in advance. The theory can appear only later, when experimental data appear.
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