1、BRITISH STANDARD BS ISO 5288:2001 Synchronous belt drives Vocabulary ICS 01.040.21; 21.220.10 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS ISO 5288:2001 This British Standard, having been prepared under the direction of the Engineering Sector Committee, was published unde
2、r the authority of the Standards Committee and comes into effect on 15 July 2001 BSI 07-2001 ISBN 0 580 37502 1 National foreword This British Standard reproduces verbatim ISO 5288:2001 and implements it as the UK national standard. The UK participation in its preparation was entrusted to Technical
3、Committee MCE/ 10, Belts and Pulley Drives, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document m
4、ay be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British
5、 Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals
6、for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to iv, pages 1 to 14, an inside back cover and a back cov
7、er. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsReference number Numro de rfrence ISO 5288:2001(E/F) INTERNATIONAL STANDARD NORME INTERNATIONALE ISO 5288 Second edition Deuxime dition 2001-04
8、-15 Synchronous belt drives Vocabulary Transmissions synchrones par courroies VocabulaireISO 5288:2001(E/F) ii ISO 5288:2001(E/F)iii Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing Int
9、ernational Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison w
10、ith ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. Draft International Sta
11、ndards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this International Standard m
12、ay be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. International Standard ISO 5288 was prepared by Technical Committee ISO/TC 41, Pulleys and belts (including veebelts), Subcommittee SC 4, Synchronous belt drives. This second edition
13、cancels and replaces the first edition (ISO 5288:1982), which has been technically revised.ISO 5288:2001(E/F) iv Avant-propos LISO (Organisation internationale de normalisation) est une fdration mondiale dorganismes nationaux de normalisation (comits membres de lISO). Llaboration des Normes internat
14、ionales est en gnral confiea u x comits techniques de lISO. Chaque comit membre intress par une t u d eal ed r o i td ef a i r ep a r t i ed uc o m i t technique cr cet effet. Les organisations internationales, gouvernementales et non gouvernementales, en liaison avec lISO, participent galement aux
15、travaux. LISO collabore troitement avec la Commission lectrotechnique internationale (CEI) en ce qui concerne la normalisation lectrotechnique. Les Normes internationales sont rdiges conformment aux rgles donnes dans les Directives ISO/CEI, Partie 3. Les projets de Normes internationales adopts par
16、les comits techniques sont soumis aux comits membres pour vote. Leur publication comme Normes internationales requiert lapprobation de 75 % au moins des comits membres votants. Lattention est appele sur le fait que certains des lm e n t sd el ap r sente Norme internationale peuvent faire lobjet de d
17、roits de proprit intellectuelle ou de droits analogues. LISO ne saurait tre tenue pour responsable de ne pas avoir identifi de tels droits de proprit et averti de leur existence. La Norme internationale ISO 5288 a t labore par le comit technique ISO/TC 41, Poulies et courroies (y compris les courroi
18、es trapzodales), sous-comit SC 4, Transmissions synchrones par courroies. Cette deuxime dition annule et remplace la premire dition (ISO 5288:1982), dont elle constitue une rvision technique.INTERNATIONAL STANDARD NORME INTERNATIONALE ISO 5288:2001(E/F)1 Synchronous belt drives Vocabulary Transmissi
19、ons synchrones par courroies Vocabulaire 1 Scope 1 Objet This International Standard specifies the terms and definitions related to the use of endless synchronous belt drives for mechanical power transmission and where positive indexing or synchronization is required. La prsente Norme internationale
20、 spcifie les termes et les dfinitions ncessaires lemploi des transmis- sions synchrones par courroies sans fin pour la trans- mission mcanique dune puissance, et dans les cas o une synchronisation ou un indexage positif est requis. 2 General definitions 2 Dfinitions gnrales No. N o Term Terme Symbol
21、 Symbole Definition Dfinition Figure 2.1 Synchronous belt drive 1) System composed of a synchronous belt and two or more synchronous pulleys. NOTE Synchronized motion and/or power is transmitted through the engagement of teeth on the belt with grooves on the pulleys. Transmission par courroie synchr
22、one 1) Systme compos dune courroie synchrone et dau moins deux poulies synchrones. NOTE La rotation synchronise et/ou la puissance sont transmises par lengrnement des dents de la courroie avec les gorges des poulies. 2.2 Centre distance C Shortest distance between the axes of two synchronous pulleys
23、 when the belt is under the prescribed measuring force. Entraxe Plus courte distance entre les axes de deux poulies synchrones lorsque la courroie supporte leffort de mesure prescrit. 1) This belt drive has been known in the past by various names such as timing belt drive, positive belt drive, or ge
24、ar belt drive. Ce type de transmission a t dsign jusqu prsent par des expressions diverses comme “transmission timing belts“, transmission positive courroie, transmission courroie-chane.ISO 5288:2001(E/F) 2 3 Definitions relating to synchronous belts 3D finitions concernant les courroies synchrones
25、No. N o Term Terme Symbol Symbole Definition Dfinition Figure 3.1 Belts, general 2) 3) Courroies, gnralits 2) 3) 3.1.1 Synchronous belt Belt, the cross section of which is generally rectangular, but which has transverse teeth extending from the base, either inside (single-sided) or on both sides (do
26、uble-sided) of the pitch line (defined as 3.1.3) at regularly spaced intervals. NOTE The transverse tooth section may have various profiles formed by straight or curved lines, or a combination of straight and curved lines. Courroie synchrone Courroie dont la section droite alaf or m eg nrale dun rec
27、tangle, mais qui comporte des intervalles rguliers des dents transversales sous sa face intrieure (simple denture) ou des deux ct (double denture) de la ligne primitive (df in iee n3. 1. 3) . NOTE La section transversale de dent peut avoir des profils varisfo r m s par des lignes droites ou courbes
28、ou une combinaison de lignes droites et courbes. 3.1.2 Tooth pitch P b Linear distance between the axes of two consecutive teeth in a section of belt loaded to the prescribed measuring force. Pas Distance entre les axes de symtrie de deux dents conscutives dans une portion rectiligne de courroie sup
29、portant leffort prescrit de mesure. 2) For simplicity, the common “trapezoidal” section is generally used in the figure. Pour simplifier, la section courante trapzodale est gnralement utilises urlaf ig ur e. 3) Consult synchronous belt dimensional standards for complete detail of belt profiles. Cons
30、ulter les normes dimensionnelles de courroies synchrones pour avoir le dtail complet des profils de courroies.ISO 5288:2001(E/F)3 No. N o Term Terme Symbol Symbole Definition Dfinition Figure 3.1.3 Pitch line Circumferential line in the belt which keeps the same length when the belt is bent perpendi
31、cularly to its base. Ligne primitive Ligne circonfrentielle de courroie qui conserve sa longueur lorsque la courroie est plie perpendiculairement sa base. 3.1.4 Belt pitch length L p Length of the pitch line of a belt. Longueur primitive de courroie Longueur dveloppedela ligne primitive dune courroi
32、e. 3.1.5 Width b s Transverse dimension of the back of the belt. Largeur Dimension transversale du dos de la courroie. 3.1.6 Height h s / h d Total height of a single- or double-sided belt. Hauteur Hauteur totale dune courroie simple denture ou double denture. 3.2 Synchronous belt teeth Dents de cou
33、rroie synchrone 3.2.1 Tooth Generally transverse elements protruding from the root of the belt having the profile necessary to mesh with the grooves in a synchronous pulley. Dent lments transversaux faisant gnralement saillie sur la face intrieure de la courroie et ayant le profil ncessaire pour eng
34、rener avec les gorges dune poulie synchrone. 3.2.2 Tip line Line joining the tips of the belt teeth. Ligne de tte Ligne joignant les sommets de dents dune courroie.ISO 5288:2001(E/F) 4 No. N o Term Terme Symbol Symbole Definition Dfinition Figure 3.2.3 Root line Line joining the roots between the be
35、lt teeth. Ligne de pied Ligne joignant les bases de dents dune courroie. 3.2.4 Tooth height h t Distance between the tip line and the root line. Hauteur de dent Distance comprise entre une ligne de tte et une ligne de pied pour une mme courroie. 3.2.5 Flank Area defined by the width of the belt toot
36、h and the portion of the tooth section contained between the tooth tip radius and the tooth root radius. Flanc Surface dfinie par la largeur de la dent de courroie et la partie de la section de dent comprise entre le rayon en tte de dent et le rayon au pied de dent. 3.2.6 Working flank Flank of a be
37、lt tooth in contact with the pulley groove flank when it is transmitting power to or from the pulley. Flanc actif Flanc dune dent de courroie en contact avec le flanc de la gorge de la poulie lorsquil reoit la puissance ou la transmet une poulie. 3.2.7 Non-working flank Flank of tooth opposite the w
38、orking flank. Flanc inactif Flanc dune dent de courroie oppos au flanc actif. 3.2.8 Radius at tooth tip r a Generally curved section of a belt tooth connecting the tooth flank with the tip line. R ay onent te de dent Section gnralement arrondie dune dent de courroie reliant la section dun flanc de d
39、ent la ligne de tte. 3.2.9 Radius at tooth root r r Radius of a curve connecting the tooth flank with the root line. R ay onaupi ed de dent Rayon de larrondi reliant la section dun flanc de dent la ligne de pied.ISO 5288:2001(E/F)5 No. N o Term Terme Symbol Symbole Definition Dfinition Figure 3.2.10
40、 Width at tooth root S Linear distance between the theoretical points of intersection of the tooth flanks with the root line when the belt is straight. Largeur au pied de dent Distance comprise entre les points thoriques dintersection des flancs dune dent avec la ligne de pied, lorsque la portion in
41、tressed elaco ur r oi ee st rectiligne. 3.2.11 Tooth angle 2 Included angle between the flanks of the belt tooth. A n g l ed ed en t Angle compris entre les deux flancs dune dent de courroie. 4 Definitions relating to synchronous pulleys 4D finitions concernant les poulies synchrones No. N o Term Te
42、rme Symbol Symbole Definition Dfinition Figure 4.1 Pulleys, general Poulies, gnralits 4.1.1 Synchronous pulley Pulley with generally transverse grooves equally spaced around its circumference. Poulie synchrone Poulie munie gnralement sa priphrie de gorges transversales quidistantes.ISO 5288:2001(E/F
43、) 6 No. N o Term Terme Symbol Symbole Definition Dfinition Figure 4.1.2 Pitch reference cylinder Imaginary cylindrical surface, coaxial to a pulley, located at the point at which the circular pitch of the pulley is equal to t hep it choft heb eltiti su sed with. Cylindre primitif C y lindr ed er vol
44、ution fictif, coaxial la poulie, situ lendroit o le cercle primitif de la poulie est gal la ligne primitive de la courroie correspondante utilise. 4.1.3 Pitch circle Section of a pitch reference cylinder with a plane perpendicular to the axis of the pulley. Cercle primitif Section du cylindre primit
45、if par un plan perpendiculaire laxe de la poulie. 4.1.4 Pitch diameter d Diameter of the pitch circle. Diamtre primitif Diamt r educer cl epr i mit if . 4.1.5 Outside diameter d o Diameter of the tip circle (4.2.3). Diamtre extrieur Diamt r educer cl edet te (4.2.3). 4.1.6 Pitch line differential a
46、Radial distance between the pit c hc ir cl ean dt h et i pc ir cl e. Dport de ligne primitive Distance mesure suivant un rayon entre le cercle primitif et le cercle de tte. 4.1.7 Pitch P b Length of arc on the pitch circle contained between two consecutive corresponding profiles. Pas Longueur de lar
47、c du cercle primitif comprise entre les points homologues de deux dents conscutives.ISO 5288:2001(E/F)7 No. N o Term Terme Symbol Symbole Definition Dfinition Figure 4.1.8 Minimum pulley width b f b f Smallest lateral distance across the face of a pulley or between the flanges of a flanged pulley (4
48、.1.11) that can be used for a stated belt width. Largeur minimale de poulie Plus petite distance axiale entre les deux faces dune poulie, ou entre les flasques dune poulie flasque (4.1.11), qui puisse tre utilise pour une courroie de largeur donne. Flanged pulley Unflanged pulley Poulie flasque Poul
49、ie non flasque 4.1.9 Measuring pulley Pulley specifically machined or selected to permit precise length measurement of a synchronous belt. Poulie de mesure Poulie fabriqueo uc hoi sie spcialement pour permettre de mesurer avec prcision la longueur dune courroie synchrone. 4.1.10 Measuring pulley groove clearance C m Shortest distance be
