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  • Users: AnCheng
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  1. AnCheng

    A couple of questions about rotor balancing

    In a few months, we will be overseeing an on-site rotor balancing job for one of the blowers in our plant. And since I haven’t worked on balancing before, I have a few questions: 1. What is the point of installing a trial weight? Even though the heavy spot can be calculated without it. 2. The...
  2. AnCheng

    In steam turbines, what is the difference between an inner casing and a blade carrier?

    It is my understanding that both have stationary blades, and both hold the rotor up. Is there a difference in their function in a steam turbine?
  3. AnCheng

    What is the difference between Hydrojetting and Hydromilling?

    I know that hydrojetting can be more broad in its application. But is there a difference between the two when it comes to piping? If so, how does one decide which to use?
  4. AnCheng

    Is this a valid Scope Of Work for rotor refurbishment?

    We have a steam turbine rotor in our plant that we need to send out for refurbishment. Hence, I need to provide a SOW for the activity. I've never done a refurbishment SOW before, does the following make sense? SOW: - Inspection: Including but not limited to: As found clearances to be...
  5. AnCheng

    Sealant's rating is less than turbine inlet steam

    Hey there, I'm a maintenance engineer at a utilities plant. And I need to evaluate the sealant we'll use between the casing halves of the turbine. The turbine inlet steam reaches tempretures between 300-400 celsius. However, the sealant we've always used has a flash point of 150. Would this be...

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