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Piezo actuator

Piezo actuator

Multilayer piezo actuator

Last Updated on April 8, 2022 by You Ling

Piezo actuator

Piezoelectric actuator before we talk about it, we should understand these questions first.

  • What is the exactly piezoelectric actuator?
  • What is the meaning of piezo stack?
  • How to install the piezo actuators?
  • What’s the feature of piezo stacks?
  • What is the application of the piezoelectric stack actuator?
  • How to buy the piezo stack from China?
  • What is the tape casting process for the piezoelectric stack?

What is the application of the piezoelectric stack actuator?

  • Cavity tuning
  • Hardness testing
  • Micro EDM
  • Cell penetration
  • Shock absorption and vibration reduction

What is the exactly piezoelectric actuator?

The piezoelectric actuator is a kind of device. Which converts electrical energy into a mechanical displacement or stress based on a piezoelectric effect.

The piezo stack (PZT stack) will be installed in the actuator.Piezo stack also called multilayer piezoelectric ceramic actuator, piezo actuator, piezoelectric stack actuator.

It’s a kind of industry ceramic with a very complex process. In He-Shuai Ltd, we used tape casting technology to produce the piezoelectric ceramic.

“Multilayer”  it means lots of piezoelectric ceramic disc. We can do some of the shapes for you. Like: disc, ring, cylinder, square with hole, and so on.

You can check our product list for standard models before you buy piezoelectric stacks. Or you can send us your requests for OEM orders.

How to install the piezo actuators?

The material of the product is ceramic material and has brittleness. So, the installation method should be surface contact. Do not use point contact or line contact. When using this product, the output direction and the axial direction of the device must be consistent. Click here for the installation pictures.

What’s the feature of the piezo stack?

  • Small size, Sub-nanometer resolution
  • Low voltage drive
  • Large displacements
  • Discrete stack
  • High dynamic drives
  • High output up to 50000N
  • Resistance magnetic
  • Can work in the vacuum environment

How to buy the piezo stack from China?

Here we have normal standards for your reference.If you haven’t find the size what you need, please contact us directly, we will reply to you very soon.

A series: 150V DC
  • piezoelectric ceramics
  • CE, RoHS, SGS ISO9001:2008, ISO14001:2015
  • -20 to 150V DC
  • -20 to 120℃
  • red is an electrode (+), and black is the cathode (-)
  • 15MPa
  • 20MPa
ModelSIZENominal displacementBlocking forceStiffnessElectrical capacitanceFrequency
A×B×H [mm][ um@150V ][ N@150V ][ N/um][ uF][ kHz]
±0.05±10%±20%±20%
HS-15003030413x3x54330800.14300
HS-15003030513x3x65330660.18250
HS-15003031013x3x1010330330.3150
HS-15003031813x3x1818330180.583
HS-15005050315x5x449002250.38375
HS-15005050515x5x659001800.55250
HS-15005051015x5x1010900900.8150
HS-15005052015x5x1820900451.583
HS-15005052025x5x2022900411.874
HS-15005053015x5x2830900302.453
HS-15005053115x5x3131900302.650
HS-15005054015x5x364090028342
HS-15005054025x5x3440900282.944
HS-15005054035x5x4044900203.637
HS-15005056015x5x5460900154.528
HS-15007071017x7x101018001802150
HS-15007072017x7x18201800903.283
HS-15007073017x7x28301800605.553
HS-15007073617x7x3036180050650
HS-15007073627x7x3036180050650
HS-15007073817x7x32381800476.247
HS-15007074017x7x36401800456.442
HS-15007075017x7x42501800367.236
HS-150101010110x10x101036003603.8150
HS-150101020110x10x182036001807.583
HS-150101030110x10x283036001201253
HS-150101040110x10x36403600901542
HS-150101050110x10x46503600721933
HS-150101060110x10x546036006622.528
HS-150141410114x14x101072007206.2150
HS-150141420114x14x2020720036013.175
HS-150141430114x14x3030720024019.350
HS-150141440114x14x4040720018026.237
B series: 200 V DC
  •  piezoelectric ceramics
  •  Rectangular and Square
  •  CE, RoHS, SGS ISO9001:2008, ISO14001:2015
  •  -20 to 200V DC
  •  20 to 120℃
  •  red is an electrode (+), and black is the cathode (-)
  •  15MPa
  • 20MPa
ModelDimensions AxBxH[mm] -/+0.05mmNominal displacement [µm@200V] ±10%Blocking force [N@200V]Stiffness [N/µm]Electrical capacitance uFResonance Frequency [kHz]
HS-20003030513×3×65330660.11250
HS-20003031013×3×1010330330.25150
HS-20005050515×5×659001800.35250
HS-20005051015×5×1010900900.55150
HS-20005051215×5×1212900750.57125
HS-20005052015×5×1820900450.983
HS-20005053015×5×2830900301.553
HS-20005053025×5×3030900301.550
HS-20005054015×5×3640900231.842
HS-20005054025×5×3540900231.843
HS-20007071017×7×101018001801150
HS-20007072017×7×18201800901.983
HS-20007073017×7×2830180060353
HS-20007073817×7×32381800473.247
HS-20007074017×7×36401800453.842
HS-20007075017×7×42501800364.536
HS-200101010110×10×101036003602150
HS-200101020110×10×182036001803.583
HS-200101030110×10×28303600120653
HS-200101040110×10×3640360090742
HS-200141410114×14×101072007203.5150
HS-200141420114×14×202072003606.575
HS-200141430114×14×303072002409.550
HS-200141440114×14×404072001801337
Specification for ring shape ( 150V series)
Model Dimensions ODxIDxTH (mm)Nominal displacement [µm@150V]Blocking force[N@150V]Stiffness [N/µm]Electrical capacitance [µF]Resonance Frequency [kHz]
HS-R15005250515×2.5×656001200.3250
HS-R15005251015×2.5×1010700700.5150
HS-R15005252015×2.5×182070035183
HS-R15008451018×4.5×101013001300.8150
HS-R15008452018×4.5×18201300651.583
HS-R15010061019.5×5.5×101015001501.2150
HS-R150100510110×5.5×101015001501.2150
HS-R150120520112x5x20203400170675
HS-R150120610112x6x101030002202.4150
HS-R150120616116x6x161830001224.194
HS-R150120620112x6x202230001005.375
HS-R150130420113x4x202236001638.575
HS-R150201505120x15x6540008001.4250
HS-R150261920126x19x182072003601283
Specification for round shape ( 150V series)
ModelDimensions OD xH [mm] -/+0.05mmNominal displacement [µm@200V] ±10%Blocking force [N@200V]Stiffness [N/µm]Electrical capacitance uFResonance Frequency [kHz]
HS-D1501483114*79837500854319
HS-D1501424114.2*242475003121662
HS-D1501448114.2*484875001563031
HS-D1501420114.7*202075003751375
HS-D1501440114.7*404075001882737.5
HS-D1501480114.7*80887500855018

Note: The pre-tightening force of the installation generally does not exceed 20% of the output.

[1] The ceramic size does not include the size of the resin. The gray resin has a thickness of 50 μm on one side, the green side has a thickness of 0.5 mm on one side, and the size of the outlet is +1 mm on one side with a tolerance of ±0.2 mm.
The height tolerance is +/-0.05mm.
[2] PT150V series nominal displacement is the displacement stroke at 0~150V driving voltage, the maximum displacement is the displacement stroke at -20V~150V driving voltage, for reliable long-term
Use, it is recommended that the driving voltage be 0~120V. The maximum displacement of the PT200V series is the displacement stroke at 0~200V drive voltage.

What is the tape casting process for the piezoelectric stack?

The tape casting process of polycrystalline materials is very widely. It used for the production of single or multilayered piezoelectric materials. These materials are ideal for micro-actuator applications.

He-Shuai company offers this production capability in addition to press processing to meet the diverse needs of our customers.

tape casting type
Delivery time

If we have stock, we can send you our products within 1-2 working days after confirming the payment in our bank.

If we have no stock, or you need an OEM order. The delivery time should cost 2-6 weeks. Contact Us Now?