Definition of DBFF, DBSE, Face Tolerance & Bore Tolerance | Eng …
Aug 15, 2017 · Hi, I am new in the realm of alignment methodology, techniques and fundamentals. I am interested to know about these terminology: DBFF (Distance Between …
Tolerance of Distance Between Shaft End (DBSE) | Eng-Tips
Apr 3, 2019 · what is the tolerance of Distance Between Shaft End (DBSE) when installing coupling. Let say the length of the coupling is 120mm.
DBSE (Distance Between Shaft Ends) | Eng-Tips
Jun 21, 2016 · DBSE = Distance Between Shaft Ends I presume. "Is there any other reliable way to solve this problem that we can do it on base frame pad." Depends what the drawings and …
High Vibration of large motor | Eng-Tips
Sep 15, 2010 · Verify that the DBSE is set correctly including allowance for axial growth of the running shafts. A certain about of cold pre-stretch may be needed to achieve a proper DBSE …
Magnetic center and alignment | Eng-Tips
Jul 20, 2011 · Magnetic center is a consideration only for horizontal sleeve bearing motors. For those, you can mark magnetic center during uncoupled run (need someone that knows what …
API 686 Shaft alignment tolerances | Eng-Tips
May 17, 2012 · Hello members I would like to have clarification with regards to shaft alignment tolerances mentioned in API 686 second edition dec 2009 clause 5.4.6.2 which states"When …
Centering of gear for DBSE measurement. | Eng-Tips
Aug 30, 2012 · Referring to API 613 gearboxes. 1. Why gearbox suppliers do not supply special tools for centering the gear for DBSE (distance between shaft end) measurement ? 2. Refer to …
Calculation of position tolerance with reference to hole
Jan 26, 2005 · Can we see the actual GD&T callout? But in general "shift" tolerance (the possible looseness between the datum feature and the item it assembles with) is NOT directly additive …
How to do the alignment for vertical pumps with motor | Eng-Tips
Dec 23, 2014 · We have a vertical turbine pump having capacity of 20000cum per hour and pressure head 16.5m at intake plant.I want to know how alignment of pump shaft is done with …
EN 1991-1-4. Probability Factor (Cprob), 1 Year Return Period
Jan 4, 1991 · Have you calculated that with 1 year probability. How you calculate it actually Cprob for 1 Year probability? Eurocode starts from 2 Years, and the given formula there doesn`t work …