Dynalabs DYN-MS-250 Manuel du produit - Page 4

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1) Introduction

The DYN-MS-250 is designed to provide dynamic force excitation for
modal testing of mechanical structures.
The DYN-MS-250 is a compact, lightweight and powerful general purpose
electrodynamic shaker providing up to 250 N peak sine force.

2) General Information

2.1) Unpacking and Inspection

DynaLabs products provide adequate protection for undamaged products to
be transported. Document the damages that occur indirectly during the
transport and contact the customer representative. Check all components of
the shaker. If there is a defect, please contact us.

2.2) System Components

The DYN-MS-250 has the following components:
- Electrodynamic Shaker
- Amplifier (DYN-SA-350)
- Cooling Unit (Blower + Hose + Hose connection adapter + R 1/2 Pneumatic
union)
- Power Cables (For Shaker + For Amplifier)
- Signal Cable
- Stinger Set
- Fuse
- User Manual

2.3) Theory of Operation

DYN-MS-250 is an electro-magnetic actuator. Electro-magnetic actuators
are basically voice coils consisting of a permanent magnet and coil. The
moving element can be the coil or the magnet depending on the design
requirements. The moving element is usually suspended by an elastic
membrane.
DYN-MS-250 has a moving coil (driving coil) whose current is controlled
for vibration generation. The stationary magnetic field is produced by a
permanent magnet.
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