Vibration

  • Finding and Curing Structural Failures in Vibrating Screeners Finding and Curing Structural Failures in Vibrating Screeners
    A leading South American petrochemical facility had been beleaguered by persistent malfunctions of large vibrating screeners which were installed at the plant several years ago. Read how the symptoms were diagnosed and...
  • Phase Measurements Fundamentals Phase Measurements Fundamentals
    define phase and identify the different methods of acquiring phase data utilizing both single and multi-channel analyzers.
  • Balancing Rotors Using the Static/Couple Method Balancing Rotors Using the Static/Couple Method
    The most common method of field balancing is to use the influence coefficient method of balancing. There are times when a variation of this method, commonly referred to as static/couple balancing, will produce a balanced rotor in a...
  • Balancing Armatures to Quality Grade G1 of ISO 1940/1 (ANSI S2.19-1975) Balancing Armatures to Quality Grade G1 of ISO 1940/1 (ANSI S2.19-1975)
    There are times when the balancing tolerance for an armature is specified based on the G number of the ISO or ANSI Standard. The following Tip will provide a quick way to calculate the G1.0 tolerance for armatures. If your balancing...
  • A Common Sense Checklist for Field Balancing A Common Sense Checklist for Field Balancing
    Dynamic Balancing of rotating equipment in-place is commonly referred to as Field Balancing. The Common Sense Checklist has been prepared as an organized guide to follow when Field Balancing. It includes what to do before, during...
  • Balancing Armatures to the EASA Standard Balancing Armatures to the EASA Standard
    Section 2.7 of the EASA Standards covers the balancing of armatures. The following Tip will provide a quick way to calculate and apply the Standard. If your balancing machine does not read out in units of weight (ounces, grams) look at...
  • Reducing the Number of Balancing Runs When Removing Weight By Grinding Reducing the Number of Balancing Runs When Removing Weight By Grinding
    One of the most time consuming segments in balancing a rotor happens when weight needs to be removed by grinding. The enclosed Tip will help in reducing the number of balance runs required. If the metal being removed is different, but...
  • Selecting the Proper Balancing Speed in a Balancing Machine Selecting the Proper Balancing Speed in a Balancing Machine
    One of the most often asked question relating to balancing in a balancing machine is, “what RPM should I operate the rotor to balance ? The only question within a question is whether the rotor is considered a rigid or a flexible...
  • Converting Amplitude Readings to Unbalance Tolerances Converting Amplitude Readings to Unbalance Tolerances
    There are times when it is necessary to convert amplitude readings such as Mils or Velocity to balance terms of ounce inches or gram inches. A detailed method is outlined in Balancing Tip 101. There are times, however, when just a quick...
  • Checking or Proving the Balance Level in Rotors Checking or Proving the Balance Level in Rotors
    There are many times when it is necessary to check to see if a specified balance tolerance has been met, to verify that a balancing machine is performing properly, or to convert measurement readings such as Mils to balance terms of ounce...

Latest Comments

Loading...

Popular Resources