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CMBP04

CMBP04

Products in this category
  • CMBP01
  • CMBP02
  • CMBP03
  • CMBP04
  • CMBP05
  • CMBP06
  • CMBP07
  • CMBP08
  • CMBP09

Noliac plate benders are manufactured with ceramic layer thickness down to 67µm as standard to facilitate very low operating voltage for full performance of the piezo material. CMBP04 measures 32x7.8x0.7 mm. The plate bender provides stroke of +/- 475 µm and a blocking force of 0.75 N.

Specifications Drawings Mount and connect Wires
Specifications
Attributes
Value
Tolerance
Length / outer diameter
32 mm
Tolerance: +/-0.65 mm
Width / inner diameter
7.8 mm
Tolerance: +/-0.15 mm
Height
0.7 mm
Tolerance: +/-0.10 mm
Operating voltage, max.
200 V
Free stroke, max.
± 475 µm
Tolerance: +/- 15%
Blocking force, max.
0.75 N
Tolerance: +/-20%
Capacitance
2 x 160 nF
Tolerance: +/- 15%
Maximum operating temperature
150 °C
Material
Unloaded resonance frequency
>275 Hz
Electrodes
Screen-printed Ag
Remarks
-
Drawings
Noliac - Your Piezo Partner
Mount and connect

Mounting

Bending plate actuators may be mounted either by mechanical clamping or gluing. Bending plate actuators are not machined on top and bottom surfaces and as such may have small variations in the surface. For this reason a mechanical clamping should be done with moderate force, approximately 5 times the specified blocking force.

If mounted with glue it should be emphasized that the gluing contact surface is restricted to cover only the inactive part of the bender in order not to reduce the stroke of the bender.

Epoxy glues are well suited for gluing piezoceramics and several alternatives exist.

Control instructions

Bending actuator plates can be controlled by:

Differential voltage control

In this mode the bending can be controlled both upwards and downwards. Apply +100 V to the positive electrode (indicated by the black dot), -100 V to the negative electrode and a voltage Vin to the middle electrode such as -100 V<Vin<100 V.

If 0 V< Vin<100 V, the plate will bend up with the black spot facing up.

If -100 V< Vin<0 V, the plate will bend down with the black spot facing up.

Single side voltage control

In this mode, the bending can be controlled for one side only, i.e. bending down with the black dot facing up. Apply 0 V to the negative and middle electrode, and up to 200 V to the positive electrode.

Noliac - Your Piezo Partner
Noliac - Your Piezo Partner
Wires

Noliac attaches these wires as standard to our plate and ring benders:

  • 28 AWG MIL-W-16878/4, 7 strands wires to products with a thickness equal to or thicker than 1.2 mm.
  • 32 AWG MIL-W-16878/6, 7 strands wire wrap to products thinner than 1.2 mm and thicker than 0.5 mm.

On products thinner than 0.5 mm we recommend the customer to glue the wire onto the terminals using conductive glue e.g. EPO-TEK®H27D.

We solder red wires to the positive electrode, black to the negative and blue to the control terminal on benders.

Noliac - Your Piezo Partner

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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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