Recent Forum Topics

The best Operating Deflection Shape (ODS) software

Dear Vib legends, I am very curious to know about the best software for Operating Deflection Shape (ODS) which is acceptable worldwide by most of the organizations. I request you all to please, please suggest / guide / help me in finding the best and well accepted software for Operating Deflection Shape. The purpose is to take my knowledge to the next level (Serious and advanced level) as well as to finalize an AMC with reliable expert service provider within India. I am associated with...Read More...
Last Reply By Dave Reynolds · First Unread Post

Overall Vibration

Hi, New to MHM. Running v5.31. Manufacturer is looking for overall vibration for each test point on a generator. I see from pictures of my 2130 analyzer that it shows this value down in the lower left hand corner of the screen. I do not have the analyzer with me, but do have the MHM software and data. Can someone point me to where I can find this same value in MHM? I need it in both mils and velocity. I did find a Spectral Peak Parameters: Spec Overall Amplitude value. Is this the one I am...Read More...
Last Reply By Dave Reynolds · First Unread Post

CMMS history tracking

I have a programming question about how the CMMS tracks & reveals repair work on equipment. Our current system goes like this: Equipment PM has w/o’s for each equipment on a PM route. If a piece of equipment is found to be defective a new equipment number is assigned and the old one is switch out on the PM with new one. Equipment PM will then have w/o’s for each equipment (new one too) on next PM route. My question here is how do you or the CMMS system or others know that a specific...Read More...

Power Limitation and High Exhaust Temperature of Single stage Impulse (Curtis) Steam Turbine

Dear All, We are operating a large Ammonia Urea Complex in Pakistan. Following are details of Steam Turbine driving Boiler Feed Water pump at our expansion unit. Type - Single stage impulse with one nozzle ring, one ring of reversing blades and two rows of moving blades Following are permissible steam inlet and exhaust operating parameters; Minimum Normal Maximum Inlet Pressure (bar gauge) 36.3 37.3 Inlet Temperature ( 0 C) 375 380 Exhaust Pressure (bar gauge) 3.43 3.92 As per OEM At normal...Read More...

HIGH 2X PEAK AT GEARBOX INPUT SHAFT IN VERTICAL DIRECTION

Hi One of the Vertical Mill stand Gearbox is having high vibration at Gearbox input shaft in vertical direction, 5.6mm/sec peak. A 2x dominant peak is observed and the absolute phase has taken at both motor and gearbox and is very erratic. a doc has been attached.. Can any one suggest some solutionRead More...
Last Reply By Mukesh Chandrawanshi · First Unread Post