Automatic Modal Hammer | vImpact

vlmpact-Serie

Description

A precise and reproducible excitation of the test structure is indispensable for a large number of test scenarios. To solve this, MAUL-THEET has developed the vImpact automatic modal hammer product family. These ensure bounce-free excitation and reliable measurement of the excitation forces. Setting up the hammer position is quick and easy thanks to the hammer’s updated actuator principle and simple operation. The model series differ in the frequency range, the maximum excitation force and are therefore ideal for different areas of application.

Advantages & Innovation

Bounce-free excitation, no „Double Hits“

Reproducibility

Frequency ranges up to 60kHz

Adjustable impact forces up to 2.5 kN

Replaceable hammer tips

Variable distance to the test structure

Easy setup by zero point positioning

Plug and Play

Intuitive operation via touchscreen of the controller

Controllable via USB using ASCII commands

vImpact remote software included

Model variants available for climate chambers from -65°C to 150°C

Clean room usable

Applications & Integrations

Experimental modal analysis

Quality control

End of line testing

Test benches

Damping determination

frequency analysis

Sound analysis

Laser scanners

Automated modal analysis without supervision

Set Up Automatic Modal Hammer

Bad Excitation

If not set up correctly, the load cell is also loaded in the transverse direction. The load cells are designed for measuring in the axial direction. Transverse forces that occur are not measured.

In the case of a non-perpendicular impact, the test object is excited obliquely and the perpendicularly acting impact force is unknown.

Good Excitation

When operating an automatic modal hammer, accurate setup of the hammer is important to obtain good transfer functions.

To do this, the tip of the hammer must hit the measurement object at a right angle. In this case, the load cell is loaded axially and guarantees that the force is transmitted correctly.

The new vImpact-63 and vImpact-2003 have a set-up mode in which the hammers move to impact position. In this position, correct alignment of the automatic modal hammers is very easy.

Technical Data

TypevImpact-63vImpact-62vImpact-2003vImpact-2002vImpact-21
Hammer forceadjustable in 1-100% stepsadjustableadjustable in 1-100% stepsadjustableadjustable
Max. Impact force
(Steel on Steel)
> 150 N peak> 150 N peak
> 2500 N peak> 2000 N peak
> 150 N peak
Frequency range
(Steel on Steel)
> 60 kHz
> 60 kHz
> 6 kHz> 6 kHz
> 20 kHz
Coupling2-4 mA, IEPE2-4 mA, IEPE
2-4 mA, IEPE
2-4 mA, IEPE
2-4 mA, IEPE
TriggerTimer // Button// External Contact (Closer)// TTL (40 .. 200 ms)//vImpact remote SoftwareTimer // Button// External Contact (Closer)// TTL (40 .. 200 ms)//vImpact remote SoftwareTimer // Button// External Contact (Closer)// TTL (40 .. 200 ms)//vImpact remote SoftwareTimer // Button// External Contact (Closer)// TTL (40 .. 200 ms)//vImpact remote SoftwareTimer // Button// External Contact (Closer)// TTL (40 .. 200 ms)
Power Supply24 V24 V36 V36 V24 V
MassHead: 0,42 kg, Controller: 1,2 kgHead: 0,41 kg, Controller: 1,2 kgHead: 4,9 kg, Controller: 1,2 kgHead: 4,9 kg, Controller: 1,2 kgHead: 0,42 kg, Controller: 0,6 kg

vImpact-60 series

vImpact-2000 series

vImpact-20 series

Videos

vImpact-2001

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vImpact-61

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