By John Piotrowski
Rotating equipment is the guts of many business operations, yet many engineers and technicians practice shaft alignment by means of guesswork or with constrained wisdom of the instruments and strategies on hand to appropriately and successfully align their equipment. twenty years in the past, John Piotrowski conferred upon the sector an unparalleled instrument: the 1st version of the Shaft Alignment Handbook.Two variants later, this bestselling instruction manual remains to be the main relied on and broadly embraced consultant within the box. The 3rd variation used to be reorganized, up-to-date, and extended to be less demanding, intuitive, and to mirror the most recent advancements within the quarter. committed chapters now talk about the fundamentals of alignment modeling, all the 5 simple alignment equipment, and electro-optic tools. major new fabric displays contemporary findings on detecting misalignment, equipment flow from offline to operating stipulations, a number of aspect force trains, and particular info on nearly every kind of rotating equipment in lifestyles. solely new chapters discover bore and parallel alignment.Providing targeted assistance in accordance with years of hands-on event, the Shaft Alignment guide, 3rd version is a pragmatic software to assist steer clear of expensive shutdowns, harmful disasters, and early replacements.
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Extra info for Shaft alignment handbook
753 Appendix A Machinery Data Card . . . . . . . . . . . . . . . . . . . 753 Appendix B Sample Preliminary Alignment Record Sheet . . . . . . . . . . . 2006 11:12am Appendix Appendix Appendix Appendix Appendix Appendix Appendix Appendix Appendix C D E F G H I J K Sample Installation and Shaft Alignment. Torque Values (SAE Grade 2 Bolts). . . Torque Values (SAE Grade 5 Bolts). . . Torque Values (SAE Grade 8 Bolts).
6 Vertically Mounted Centrifugal Pumps . . . . . . . . . . . . . 1 Additional Information on Vertically Mounted Centrifugal Pumps . . . . . . . . . . . . . . . . 7 Blowers and Fans . . . . . . . . . . . . . . . . . . . . . 1 Additional Information on Horizontally Mounted Blowers and Fans . . . . . . . . . . . . . . . . . . . . 8 Compressors. . . . . . . . . . . . . . . . . . . . . . . 1 Additional Information on Compressors .
To achieve this goal, machinery components that are most likely to fail must operate well within their design limits. As the parts that are most likely to fail are the bearings, seals, coupling, and shafts, the accurately aligned machinery will reduce excessive axial and radial forces on the bearings to insure longer bearing life and rotor stability under dynamic operating conditions. Precise alignment will reduce the possibility of shaft failure from cyclic fatigue; it will minimize the amount of wear in the coupling components, alleviate the amount of shaft bending from the point of power transmission in the coupling to the coupling end bearing, and it will maintain proper internal rotor clearances.