DIN ISO 19499-2008 Mechanical vibration - Balancing - Guidance on the use and application of balancing standards (ISO 19499 2007) nEnglish version of DIN ISO 19499 2008-03《机械振动 平衡 .pdf
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1、March 2008DEUTSCHE NORM English price group 17No part of this standard may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 17.160; 21.120.40!$LMV“1
2、414251www.din.deDDIN ISO 19499Mechanical vibration Balancing Guidance on the use and application of balancing standards(ISO 19499:2007)English version of DIN ISO 19499:2008-03Mechanische Schwingungen Auswuchttechnik Einfhrung und Leitfaden fr die Auswahl und Anwendung von Auswuchtnormen(ISO 19499:20
3、07)Englische Fassung DIN ISO 19499:2008-03www.beuth.deDocument comprises 41 pagesDIN ISO 19499:2008-03 2 National foreword This standard has been prepared by Technical Committee ISO/TC 108 “Mechanical vibration, shock and condition monitoring”. The responsible German body involved in its preparation
4、 was the Normenausschuss Akustik, Lrmminderung und Schwingungstechnik im DIN und VDI (Acoustics, Noise Control and Vibration Engineering Standards Committee in DIN and VDI), Technical Committee NA 001-03-06-01 (NALS/VDI C 6.1) Auswuchten und Auswuchtmaschinen. Work on this standard began with the in
5、tention of overcoming the rather simplified division of rotors and of the relevant standards into “rigid” (in German starre) or “flexible” (in German nachgiebig) rotors. Since rotors which were formerly considered as being “rigid” are increasingly being reclassified as “flexible”, and since some rot
6、ors can be classified as either rigid or flexible depending on operating conditions, an attempt has been made to identify a means of describing rotors that allows an overview of all applications. The expression “rotor behaviour” used here facilitates a description of the entire range of balancing pr
7、oblems, which is all the more important because the various behaviours need to be approached with totally different balancing techniques. In the title, the word “guidance” was translated into the German “Einfhrung und Leitfaden” (“Introduction and guidelines”) because a large part of the standard gi
8、ves a basic introduction to the unbalance and behaviour of rotors which is not contained in any other standard. There is also a brief description of the various standards on balancing, providing a quick overview of the balancing technology sector. The present standard is a starting point which can s
9、erve as a basis for further developments in the coming years. Any suggestions and remarks from industry and research are essential building blocks for this development. The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 1925:2001 DIN ISO 1
10、925:2002 ISO 1940-1 DIN ISO 1940-1 ISO 1940-2 DIN ISO 1940-2 ISO 7475 DIN ISO 7475 ISO 7919 DIN ISO 7919 standards series standards series ISO 8821 DIN ISO 8821 ISO 10816 DIN ISO 10816 standards series standards series ISO 11342:1998 DIN ISO 11342:1999 ISO 20806 DIN ISO 20806 ISO 3719 has not been p
11、ublished as a DIN ISO Standard as the ISO Standard already contains the essential German terms. DIN ISO 19499:2008-03 3 National Annex NA (informative) Bibliography DIN ISO 1925:2002-05, Mechanical vibration Balancing Vocabulary (ISO 1925:2001) DIN ISO 1940-1, Mechanical vibration Balance quality re
12、quirements for rotors in a constant (rigid) state Part 1: Specification and verification of balance tolerances (including Corrigendum 1) DIN ISO 7475, Mechanical vibration Balancing machines Enclosures and other protective measures for the measuring station Standards series DIN ISO 7919, Mechanical
13、vibration Evaluation of machine vibration by measurements on rotating shafts DIN ISO 8821, Mechanical vibration Balancing shaft and fitment key convention Standards series DIN ISO 10816, Mechanical vibration Evaluation of machine vibration by measurements on non-rotating parts DIN ISO 11342:1999-05,
14、 Mechanical vibration Methods and criteria for the mechanical balancing of flexible rotors (ISO 11342:1998) (including Corrigendum 1) DIN ISO 20806, Mechanical vibration Criteria and safeguards for the in-situ balancing of medium and large rotors DIN ISO 1940-2, Mechanical vibration Balance quality
15、requirements of rigid rotors Part 2: Balance errors DIN ISO 19499:2007 (E) 4 Mechanical vibration Balancing Guidance on the use and application of balancing standards Contents Page Introduction .5 1 Scope 6 2 Normative references 6 3 Terms and definitions .6 4 Fundamentals of balancing 6 4.1 General
16、6 4.2 Unbalance distribution7 4.3 Unbalance representation.7 5 Balancing considerations .8 5.1 General8 5.2 Rotors with rigid behaviour 8 5.3 Rotors with flexible behaviour .9 5.4 Rotors with special behaviour. 10 5.5 Examples of rotor behaviours. 10 5.6 Influencing factors 11 6 Balance tolerances .
17、 12 6.1 General. 12 6.2 Permissible residual unbalances 12 6.3 Vibration limits 12 7 Selection of a balancing procedure 12 7.1 General. 12 7.2 Selection of a balancing procedure when none is specified . 13 8 International Standards on balancing 18 8.1 General. 18 8.2 Vocabulary. 18 8.3 Balancing pro
18、cedures and tolerances .19 8.4 Balancing machines . 20 8.5 Machine design for balancing . 20 8.6 Machine vibration . 21 Annex A (informative) Mathematical and graphical representation of unbalance 22 Annex B (informative) Examples of different rotor behaviours. 33 Annex C (informative) How to determ
19、ine rotor flexibility based on an estimation from its geometric design 38 Bibliography. 41 DIN ISO 19499:2007 (E) 5Introduction Vibration caused by rotor unbalance is one of the most critical issues in the design and maintenance of machines. It gives rise to dynamic forces which adversely impact bot
20、h machine and human health and well-being. The purpose of this International Standard is to provide a common framework for balancing rotors so that appropriate methods will be used. This standard serves essentially as guidance on the usage of other International Standards on balancing in that it cat
21、egorizes types of machine unbalance. As such, it can be viewed as an introductory standard to the series of International Standards on balancing developed by ISO/TC 108. Balancing is explained in a general manner, as well as the unbalance of a rotor. A certain representation of the unbalance is reco
22、mmended for an easier understanding of the necessary unbalance corrections. DIN ISO 19499:2007 (E) 6 1 Scope This International Standard provides an introduction to balancing and directs the user through the available International Standards associated with rotor balancing. It gives guidance on whic
23、h of these standards should be used. Individual procedures are not included here as these will be found in the appropriate International Standards. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition
24、 cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 1925:2001, Mechanical vibration Balancing Vocabulary ISO 2041, Vibration and shock Vocabulary 3 Terms and definitions For the purposes of this document, the terms and definit
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