Haas 7" Black Box Rotary Table Doesn't Work
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  1. #1
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    Default Haas 7" Black Box Rotary Table Doesn't Work

    I just obtained a Haas 7" Black box rotary table and controller that is not working properly. I can power up the table and jog it in both directions a short distance then it alarms out. I removed the belt that drives the table and attempted to turn the pulley by hand but it is very hard to turn. Seems like the brake could be on and not releasing. Is the brake always on and needs the air to release it or is the brake off and needs air to engauge it? I don't have a manual or any paper work for it. Any one have a manual they could share or a parts list and drawing? I am open to any ideas you might have that could be of help. This is the pre HRT series. Thanks

  2. #2
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    We can't really help with any problems unless you provide details about the alarm.
    Check out this link and look for the rotary manual supplement option. https://diy.haascnc.com/user-guide#gsc.tab=0

    It may not be for your exact model, but a lot of the information should still be relevant.

  3. #3
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    BTW, the air brake requires air pressure to engage.

  4. #4
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    Quote Originally Posted by haastec View Post
    BTW, the air brake requires air pressure to engage.


    But the Brake has been know to get stuck engaged on mine...sometimes I'll need to hook up air and disconnect a few times, toggle between job and brake a few times to get things freed up.


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