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NAC6024-Hxx

NAC6024-Hxx

Products in this category
  • NAC6024-Hxx
  • NAC6025-Hxx

Noliac high temperature plate stack actuator NAC6024-Hxx (height in mm – Hxx) is designed to perform at high temperature and high frequency. The maximum operating temperature is 200 °C, and combined with a high frequency operation, this is a perfect match for applications, where high temperature and high frequency is a challenge. The actuator can be stacked to match your specific requirements. The standard range of NAC6024-Hxx is produced in a height between 4-30 mm at an unloaded resonance frequency up to 35 kHz depending of the height of the stack.

Specifications Drawings Mount and connect Wires
Specifications
Attributes
Value
Tolerance
Length / outer diameter
3 mm
+0.30/-0.10 mm
Width / inner diameter
3 mm
+0.30/-0.10 mm
Max width / outer diameter max
4.8 mm
Height
4 — 30 mm
+/-0.2 mm or 1% (whichever is largest)
Operating voltage, max.
200 V
Free stroke, max.
1.81 — 25.3 µm
+/- 15%
Blocking force, max.
290 N
+/-20%
Capacitance
25-350 nF
+/- 15%
Stiffness
161-11 N/µm
+/-20%
Maximum operating temperature
200 °C
Material
Unloaded resonance frequency
>250 k - 35 k Hz
Electrodes
Screen-printed Ag and soldered bus wire
Remarks
-

Stack options

Height
Stroke
Capacitance
Height
4 mm
Stroke
1.8 µm
Capacitance
30 nF
Height
6 mm
Stroke
3.6 µm
Capacitance
50 nF
Height
8 mm
Stroke
5.4 µm
Capacitance
80 nF
Height
10 mm
Stroke
7.2 µm
Capacitance
100 nF
Height
12 mm
Stroke
9 µm
Capacitance
130 nF
Height
14 mm
Stroke
10.8 µm
Capacitance
150 nF
Height
16 mm
Stroke
12.6 µm
Capacitance
180 nF
Height
18 mm
Stroke
14.4 µm
Capacitance
200 nF
Height
20 mm
Stroke
16.2 µm
Capacitance
230 nF
Height
22 mm
Stroke
18.1 µm
Capacitance
250 nF
Height
24 mm
Stroke
19.9 µm
Capacitance
280 nF
Height
26 mm
Stroke
21.7 µm
Capacitance
300 nF
Height
28 mm
Stroke
23.5 µm
Capacitance
330 nF
Height
30 mm
Stroke
25.3 µm
Capacitance
350 nF
Drawings

Here you can find a drawing of the outline of the high temperature stacks and a number of graphs showing different aspects of the performance at high temperature.

Noliac - Your Piezo Partner
Noliac - Your Piezo Partner
Noliac - Your Piezo Partner
Noliac - Your Piezo Partner
Mount and connect

Mounting
High temperature actuators must be mounted under preload by mechanical clamping.

If glued, it is important to ensure a very thin glue line between the actuator and the substrate. It is recommended that a pressure, e.g. 2-5 MPa, is applied during the curing process.

To avoid significant loss of performance, the mounting of the actuators should avoid mechanical clamping and/or gluing on the sides of the actuator.

During manufacturing or handling, minor chips on the end-plates can appear. Minor chips cannot be avoided, but such chips do not affect performance.

Electrical connection

External electrodes

The external electrodes are screen printed silver as standard. 

Noliac - Your Piezo Partner

The actuators may only be stressed axially. Tilting and shearing forces must be avoided.

Noliac - Your Piezo Partner

The purpose of the epoxy used in HT stacks is to hold the components between shipment and assembly. At high temperature, the epoxy cannot ensure sufficient adhesion, so it is necessary to apply a preload to maintain the integrity of the stack. A compressive preload of 5MPa is recommended, although higher values can be applied if the application requires it.

Noliac - Your Piezo Partner
Noliac - Your Piezo Partner

The force must be applied on the full surface of the actuator in order to assure a good load distribution.

Noliac - Your Piezo Partner

Epoxy glues are well suited for gluing piezoceramics.

Wires

When you order actuators from Noliac, you can have wires fitted to save time and money. However, you should consider these parameters, when you select a wire for connection: 

  • Operation voltage
  • Intensity of current
  • Environment for example vacuum

We recommend Teflon wires
Teflon wires can stand temperatures above 200 ºC, whereas PVC wires only resist temperatures up to 80 ºC. High-temperature stacks are fitted with Teflon isolated wire to guarantee the proper performance of PZT-elements. For Ultra-High Vacuum (UHV) operations, high-temperature stacks are fitted with Kapton isolated wires.

Wire thickness (AWG)
The wire thickness (AWG) is determined by the current that has to be transmitted to and from the PZT-element. The required current is determined by the capacitance of the PZT-element, the maximum driving frequency and the maximum voltage Up-p.

Noliac - Your Piezo Partner
Noliac - Your Piezo Partner

Related products

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Performance Dimensions
Value
Max operating voltage / V
Min
Min free stroke / µm
Min
Min estimated blocking force / N
Min
Min
Max
Length or outer diameter / mm
Min
Max
Width or inner diameter / mm
Min
Max
Max height / mm
Max
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