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  1. K

    Metso MP800 Adjustment Ring Cracks

    Don, I have made a comment via the BDI website. Regards, Keith
  2. K

    Metso MP800 Adjustment Ring Cracks

    We operate 5 x MP800 (shortheads) and 1 x MP1000 (standard). 4 of the 5 MP800s now have cracked adjustment rings. We have operated some of the crushers for more than 10 years and only started seeing the problem about 3-4 years ago at which point we zeroed in on a combination of ring and bowl...
  3. K

    Metso MP800 Adjustment Ring Cracks

    Thanks for the reply however we want to focus on preventing the problem. We have purchased brand new rings from very reputable manufacturers and had the leading edge start to crack within about six months. Indications are that the crack progresses to a point and then stops.
  4. K

    Metso MP800 Adjustment Ring Cracks

    We have been experiencing cracks on the leading edge of the threads of our adjustment rings. Thread wear does not appear to be the issue as we are seeing this on crushers with relatively new rings and bowls. The leading edge of the thread cracks for approximately 1 meter and then the crack...
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