ASA S2.75 2017 Part1
$83.96
ANSI/ASA S2.75-2017/Part 1 American National Standard Shaft Alignment Methodology, Part 1: General Principles, Methods, Practices, and Tolerances
| Published By | Publication Date | Number of Pages |
| ASA | 2017 | 54 |
None
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 11 | 1 Scope and purpose 2 Normative references 3 Terms and definitions |
| 12 | 4 Safety 5 Measurement 5.1 Measurement methods and tools to determine offline shaft centerline positions |
| 13 | 5.2 Optical methods 5.3 Measurement repeatability 5.4 Factors affecting measurements |
| 14 | 5.5 Calibration 6 Factors that influence the response to alignment corrections 6.1 Machinery structural supporting system |
| 17 | 6.2 Machinery degradation 6.3 Vibration from nearby machinery 7 Analysis 7.1 Alignment needs assessment |
| 18 | 7.2 Alignment condition assessment |
| 23 | 7.3 Alignment modeling 8 Correcting misalignment conditions 8.1 Equipment hold-down bolts (foot bolts |
| 24 | 8.2 Bolt bound / base bound 8.3 Controlled movement techniques 8.4 Axial spacing or coupling gap 9 Documentation |
| 26 | Annex A (informative) Alignment principles A.1 Shaft centerline geometry |
| 28 | A.2 Tolerances |
| 29 | A.3 Machine casing distortion |
| 31 | Annex B (Informative) Formulas for calculating the moves at the feet from raw readings at the shafts B.1 Single unit movement correction mathematics |
| 34 | Annex C (Informative) Identifying and correcting pipe strain when performing shaft alignment on pumps |
| 36 | ii © 2017 Acoustical Society of America – All rights reserved Annex D (Informative) Offline to running (OLTR) machinery movement D.1 Mechanical changes that may occur quickly from offline to running D.2 Thermal changes that occur slowly D.3 Determining OLTR movement |
| 42 | Annex E (Informative) Laser-detector systems |
| 45 | Annex F (Informative) Alignment modeling solutions F.1 Alignment modeling basic concept F.2 Practical modeling solutions |
| 51 | Annex G (Informative) Repeatability |
| 52 | Annex H (Informative) Alignment and machinery installation checklist |
