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  1. #1
    Hi guys, I'd like more information if anyone has experience with these spindles, the ones you find in aliexpress with built in motor, they have multiple air connections, the information I got is following:

    -Air in ( for tool changing)
    -Air/Gas seal (as they call it )
    -Dust clearing line
    -Air return

    from what I understand the air seal prevents any contaminants from entering the spindle, the dust clearing just blows air if opened, however why is there air return line? its connected to which one of the 3? to the air in? what am I supposed to do with that line?


    thanks!

  2. #2
    m_c's Avatar
    Lives in East Lothian, United Kingdom. Last Activity: 3 Days Ago Forum Superstar, has done so much to help others, they deserve a medal. Has been a member for 9-10 years. Has a total post count of 2,908. Received thanks 360 times, giving thanks to others 8 times.
    Do you have a link to the spindle in question?

    My guess would be some kind of vent line.
    Avoiding the rubbish customer service from AluminiumWarehouse since July '13.

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  4. #3

  5. #4
    Air return may be just what it says. Just a hose so the air blows out somewhere aside, not in the Z assembly, when change happens. So i think its connected to nothing but a loose hose.

    The dust cleaning line is to clean the taper.
    project 1 , 2, Dust Shoe ...

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  7. #5
    Hello,

    I would like to bring up this thread as I have the same question and more or less the same spindle...
    The manual clearly says to inject air in the "air return" for 5sec after installing the tool. But why?

    Here's the manual I got: Click image for larger version. 

Name:	How+to+change+the+tool.pdf 
Views:	304 
Size:	102.9 KB 
ID:	24520

  8. #6
    Quote Originally Posted by jarjar View Post
    Hello,

    I would like to bring up this thread as I have the same question and more or less the same spindle...
    The manual clearly says to inject air in the "air return" for 5sec after installing the tool. But why?

    Here's the manual I got: Click image for larger version. 

Name:	How+to+change+the+tool.pdf 
Views:	304 
Size:	102.9 KB 
ID:	24520
    Hello,

    i have the same spindle. What did you do with the air return thing?

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