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  1. #31
    Quote Originally Posted by shapebusters View Post
    I have some questions , especially regarding the 3kw spindle. Should i install new plastic tubes? In the picture you can see they are not clean, is it supposed to be?
    Where am i supposed to connect the two plastic tubes?
    Yes replace the tubes they look very contaminated. Also make sure the spindle isn't blocked up, blow air thru it.

    Connect one of the tubes to a submersible water pump inside a tank of water and return the other tube back to the tank.

  2. Quote Originally Posted by JAZZCNC View Post
    Yes replace the tubes they look very contaminated. Also make sure the spindle isn't blocked up, blow air thru it.

    Connect one of the tubes to a submersible water pump inside a tank of water and return the other tube back to the tank.
    OK!
    Where am i supposed to get the power from?

    Thank you for the help!
    Last edited by shapebusters; 24-04-2014 at 01:59 AM.

  3. #33
    Quote Originally Posted by shapebusters View Post
    OK!
    Where am i supposed to get the power from?
    The last picture you showed on the previous post is the VFD ( Variable frequency Drive) this is what controls the spindle. It takes 220-240V 60hz single phase power and converts it to 3 phase variable frequency between 0hz and upto 600hz depending on the rating of the VFD and spindle. Probably 400hz. This gives you the abilty to control the speed of the Spindle.

    You can also control the VFD from the CNC controller and have the software turn on/off and set the speed. This does require other hardware called a spindle speed controller which outputs signals to the VFD.
    Your control box may or may not have this.? If you supply good quality pictures of inside then we may be able to see if you have one or not.?

  4. Quote Originally Posted by JAZZCNC View Post
    ...If you supply good quality pictures of inside then we may be able to see if you have one or not.?
    I will do this tomorrow! Thanks again.
    When i have it running i will try to do this:

  5. #35
    Quote Originally Posted by shapebusters View Post
    I will do this tomorrow! Thanks again.
    When i have it running i will try to do this:
    Very easy to do but the machine will need to be setup very accurately and the bed surface machined perfectly flat.

  6. Quote Originally Posted by JAZZCNC View Post
    Very easy to do but the machine will need to be setup very accurately and the bed surface machined perfectly flat.
    Well the bed surface is an easy part, i usually tape glue a pvc board on the T-slots aluminium bed, and mill it in order to rectify the Zero plane.

    The part of "Setup the machine accurately" is the dark side for me. But i have to learn it.

  7. Quote Originally Posted by JAZZCNC View Post
    The last picture you showed on the previous post is the VFD ( Variable frequency Drive) this is what controls the spindle. It takes 220-240V 60hz single phase power and converts it to 3 phase variable frequency between 0hz and upto 600hz depending on the rating of the VFD and spindle. Probably 400hz. This gives you the abilty to control the speed of the Spindle.

    You can also control the VFD from the CNC controller and have the software turn on/off and set the speed. This does require other hardware called a spindle speed controller which outputs signals to the VFD.
    Your control box may or may not have this.? If you supply good quality pictures of inside then we may be able to see if you have one or not.?
    Here are the pictures:
    Click image for larger version. 

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    I have already changed the water cooling spindle tubes. About the cooling of the spindle can i use a Computer water cooling system?
    Click image for larger version. 

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