Suppressing vibration during spin cycle

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  • #75757
    Drummerpip
    Participant

    We have a new Zanussi washing machine which is a lot lighter in construction than our previous machine. We also have a Barrett house, complete with floating floors. So we get a lot of vibration at times during the spin cycle. We have levelled the machine and have responded to all the general advice on this issue, except moving house….

    If I dampen the movement of the machine using pyrostone packing material between the walls and the machine the vibration stops, same if I hold it down myself. But I am not sure of the “physics” of doing this. Some advice says it’s OK, other advice says the kinetic energy is transferred inside the machine where it could lead to damage.

    Can anyone advise please.

    #396040
    kwatt
    Keymaster

    Re: Suppressing vibration during spin cycle

    Explained here:

    http://www.ukwhitegoods.co.uk/help/buyi … dryer.html

    In effect if you put something between the machine and the units or walls then you’re transferring the vibration into the surroundings or the dampening material as it has to go somewhere. For some that may work, for others and I suspect most, probably not.

    For floating floors and, I used to see this a lot on Wimpey sites etc, there is no real bona fide cure as such as the floors are, IMO, just not designed for it or strong enough. And, that was before all the low cost machines with poorer suspension came along.

    K.

    #396041
    Drummerpip
    Participant

    Re: Suppressing vibration during spin cycle

    Thanks for that Kwatt. We have followed the advice in your link with the exception of reinforcing the floor. I wonder if a concrete slab would do the job? As for the vibrations being transferred into the packing material and surrounding area, well that’s OK, it seems to work well. I was just concerned about the vibrations being transferred back into the machine (like an echo) where it might do damage. If this isn’t an issue then I will proceed with the packing and stop worrying about it. Thanks.

    #396042
    kwatt
    Keymaster

    Re: Suppressing vibration during spin cycle

    Drummerpip wrote:I was just concerned about the vibrations being transferred back into the machine (like an echo) where it might do damage.

    Not quite.

    What will happen is that with the restriction on movement to dissipate the excessive movement the drum may be “forced” to travel more than it actually should, it’s not really about anything being transferred back the the machine as that’s not really possible as such.

    If the vibration (kinetic energy) has nowhere to go then it has to try to dissipate internally. It has to go somewhere, it can’t just vanish.

    If you block the vibration from dissipating outside the cabinet then yes, it is entirely possibly that damage could be caused as the internal components take a pounding that they were not designed for.

    K.

    #396043
    kwatt
    Keymaster

    Re: Suppressing vibration during spin cycle

    I meant to say and forgot, remember that what is actually happening is that you have the energy from the floor moving which is the issue as, if the floor didn’t move as well, the machine wouldn’t have to try to dissipate that movement along with what it copes with internally. If you see what I mean.

    K.

    #396044
    Martin
    Participant

    Re: Suppressing vibration during spin cycle

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