1. #1
    Hi all, one of the small issues I'm facing now is the coolant water is evaporating overtime, that is I guess to the design of my machine which has an open top tank under the t-slot table, that is to allow the coolant to collect from all sides of the table because its smaller than the tank and there are gaps.

    anyway if anyone seen these before https://www.google.com.bh/search?q=a...w=1436&bih=782
    I thought of using a similar concept, if it works will it be ok to use plastic balls in the coolant or will it react? or if anyone has any other suggestion please let me know, thanks!

  2. #2
    m_c's Avatar
    Lives in East Lothian, United Kingdom. Last Activity: 6 Hours Ago Has been a member for 9-10 years. Has a total post count of 1,831. Received thanks 192 times, giving thanks to others 5 times.
    The only issue would be if the plastic reacts with the coolant, however the worst that's likely to happen is the plastic becomes brittle/discoloured.

    Is the evaporation really a problem worth solving though?
    I just top up my machines when needed.
    Avoiding the rubbish customer service from AluminiumWarehouse since July '13.

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  4. #3
    They use plastic beads for oil based coolants because there's nothing else you can float on top but if you are using water you could use an oil to prevent evaporation, take your pick!
    You think that's too expensive? You're not a Model Engineer are you? :D

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  6. #4
    Quote Originally Posted by m_c View Post
    The only issue would be if the plastic reacts with the coolant, however the worst that's likely to happen is the plastic becomes brittle/discoloured.

    Is the evaporation really a problem worth solving though?
    I just top up my machines when needed.
    not a big deal, but nice to solve it anyhow

  7. #5
    I am damn glad my coolant evaporates, but only when it goes all over the floor. I can understand that it is a problem in Bahrain though. As it is water loss, then top it up, otherwise a loose lid will help.
    Albert Einstein may have been a genius, but his brother Frank, was a monster

    Sent from my clunky old Windows 7 Machine

  8. #6
    The balls tend to be used on water located in direct sunlight as they would be wetted by water draining from above this would give a larger area to evaporate from during use, I can see little advantage in this case for using them simply covering tank when not in use should be far more beneficial.

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