ADDITIONAL VIBRATION
For applications requiring additional vibration. Can be combined with a hammer station or integrated percussive units.
At a glance
Casting, material, quantity and loading method determine the design. Send us your drawing or discuss a trial with us.
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In a combined hammering station and Vibra system, F+K hammering units first break the sand core in the clamped casting. The Vibra then provides additional vibration treatment. Alternatively, the vibration machine can be equipped with integrated hammering units.
Two servo-controlled three-phase motors drive an eccentric shaft and set the machine in vibration. This accelerates the clamped casting in two directions. The additional motion helps release and discharge core sand.
A fixture designed for the casting holds the workpiece during vibration treatment. Interchangeable fixtures allow adaptation to different castings. For thin-walled aluminium components in particular, the fixture and process are designed together.
Breaking the core and emptying the casting are separate tasks: once the core is broken, loose sand must also leave the cavities. This is where the Vibra complements the hammering station. In the robot cell shown, a sand conveyor removes the discharged sand.
In the standard arrangement shown, the robot handles castings between the hammering station and the Vibra. Typical workpieces are complex, thin-walled aluminium chassis components. Manually loaded versions are also possible alongside robot loading.
The choice between a separate hammering station and integrated hammering units depends on the casting and production flow. Fixture, vibration sequence and sand discharge are matched through decoring trials. The Vibra can decore castings weighing up to 400 kg. Machine size and performance specifications are defined for the particular task.
Vibration systems
The combination of a hammering station and Vibra is a typical standard arrangement for decoring thin-walled, complex aluminium castings. Chassis components are among the most common applications. Robotic loading connects the two processing stations.
Vibration systems
Example configurations from the F+K image archive. Design, loading and equipment are specified for each project.
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