1、BSI Standards PublicationBS ISO 10766:2014Hydraulic fluid power Cylinders Housingdimensions for rectangular-section-cut bearing rings forpistons and rodsBS ISO 10766:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 10766:2014. Itsupersedes BS ISO 10766:2006
2、 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee MCE/11, Fluid seals and their housings.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovis
3、ions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 83603 9ICS 23.100.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published u
4、nder the authority of theStandards Policy and Strategy Committee on 30 September 2014.Amendments issued since publicationDate Text affectedBS ISO 10766:2014 ISO 2014Hydraulic fluid power Cylinders Housing dimensions for rectangular-section-cut bearing rings for pistons and rodsTransmissions hydrauli
5、ques Vrins Dimensions de logements de dispositifs de guidage section rectangulaire pour pistons et tiges de pistonINTERNATIONAL STANDARDISO10766Third edition2014-09-01Reference numberISO 10766:2014(E)BS ISO 10766:2014ISO 10766:2014(E)ii ISO 2014 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 20
6、14All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be request
7、ed from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandBS ISO 10766:2014ISO 10766:2014(E) ISO 2014 All ri
8、ghts reserved iiiContents PageForeword iv1 Scope . 12 Normative references 13 Terms and definitions . 14 Symbols 15 Typical examples of rectangular-cut-section bearing rings 26 General requirements . 36.1 Corners 36.2 Surface finish 36.3 Nominal housing dimensions . 37 Dimensions of cut bearing ring
9、 housings . 37.1 Dimensions of housings for pistons 37.2 Dimensions of housings for rods . 68 Tolerances . 89 Diametral clearance 810 Identification statement (Reference to this International Standard) . 8Bibliography 9BS ISO 10766:2014ISO 10766:2014(E)ForewordISO (the International Organization for
10、 Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International 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
11、right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedu
12、res used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial
13、rules of the ISO/IEC Directives, Part 2. www.iso.org/directivesAttention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identifie
14、d during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received. www.iso.org/patentsAny trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the mean
15、ing of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT), see the following URL: Foreword - Supplementary informationThe committee responsible for this document is ISO/TC 131
16、, Fluid power systems, Subcommittee SC 7, Sealing devices.This third edition cancels and replaces the second edition (ISO 10766:2006), Clauses 1, 2, 5, 6 and 8, Tables 2 and 3 and Figures 1, 2 and 3 of which have been technically revised.iv ISO 2014 All rights reservedBS ISO 10766:2014INTERNATIONAL
17、STANDARD ISO 10766:2014(E)Hydraulic fluid power Cylinders Housing dimensions for rectangular-section-cut bearing rings for pistons and rods1 ScopeThis International Standard specifies the preferred range of nominal dimensions and associated tolerances for a series of hydraulic cylinder piston and ro
18、d housings for rectangular-section-cut bearing rings, of the type shown in Clause 5, for applications in the following range of dimensions: for cylinders with bores of 16 mm to 500 mm, inclusive; for rods with diameters of 12 mm to 450 mm, inclusive.This International Standard does not give details
19、of cut bearing ring design, because the manner of construction of cut bearing rings varies with each manufacturer.The design material of cut bearing rings is determined by conditions such as the temperature, pressure and side load on the cylinder to which they are fitted.2 Normative referencesThe fo
20、llowing documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 286-2, Geo
21、metrical product specifications (GPS) ISO code system for tolerances on linear sizes Part 2: Tables of standard tolerance classes and limit deviations for holes and shaftsISO 3320, Fluid power systems and components Cylinder bores and piston rod diameters and area ratios Metric seriesISO 3274, Geome
22、trical Product Specifications (GPS) Surface texture: Profile method Nominal characteristics of contact (stylus) instrumentsISO 4287, Geometrical Product Specifications (GPS) Surface texture: Profile method Terms, definitions and surface texture parametersISO 5597, Hydraulic fluid power Cylinders Dim
23、ensions and tolerances of housings for single-acting piston and rod seals in reciprocating applicationsISO 5598, Fluid power systems and components VocabularyISO 6099, Fluid power systems and components Cylinders Identification code for mounting dimensions and mounting types3 Terms and definitionsFo
24、r the purposes of this document, the terms and definitions given in ISO 5598 apply.4 SymbolsThe following letter codes and symbols are used in this International Standard. ISO 2014 All rights reserved 1BS ISO 10766:2014ISO 10766:2014(E)AL1)outside diameter (bore diameter) of the bearing housing (see
25、 Figure 2)D1outside diameter (groove diameter) of the bearing housing (see Figure 3) d1inside diameter (groove diameter) of the bearing housing (see Figure 2)MM1)inside diameter (rod diameter) of the bearing housing (see Figure 3)G internal diameter of the gland (see Figure 3)L axial length of the h
26、ousing (see Figures 2 and 3)P outside diameter of the piston head (see Figure 2)S radial depth of the housing (see Figures 2 and 3)SAL d=12for pistons (see Figure 2)SDMM=12for rods (see Figure 3)X reference surfaceY maximum run-out tolerance5 Typical examples of rectangular-cut-section bearing rings
27、Typical examples are shown in Figure 1.Figure 1 Typical examples of rectangular-cut-section bearing rings with angle cut (left) and straight cut (right)1) Letter codes are in accordance with ISO 6099.2 ISO 2014 All rights reservedBS ISO 10766:2014ISO 10766:2014(E)6 General requirements6.1 CornersAll
28、 sharp edges and burrs shall be removed from corners of supporting surfaces and shall be rounded or chamfered.6.2 Surface finish6.2.1 The value of requirements Ra and Rt (see ISO 4287) for the surface finish of the bearing ring housing should not exceed 3,2 m for Ra and 16 m for Rt.6.2.2 The surface
29、 finish for the working surface (bore or rod) against which the bearing ring operates is usually dictated by the requirements of any associated seal (in accordance with, for example, ISO 5597), but it should preferably not exceed 0,6 m for Ra and 2,4 m for Rt.Where surface roughness measurements are
30、 taken, it is recommended that instruments complying with ISO 3274, including an electric wave filter, be used.6.3 Nominal housing dimensionsNominal dimensions of the rectangular-section housings shall be in accordance with the dimensions given in Table 1.Table 1 Nominal dimensions of rectangular-se
31、ction housingsDimensions in millimetresL 4 5,6 9,7 15 25S 1,55 2,5 2,5 2,5 2,5 47 Dimensions of cut bearing ring housings7.1 Dimensions of housings for pistonsCut bearing ring housings for pistons shall be in accordance with Figure 2 and Table 2. For tolerances, the requirements given in Clause 8 sh
32、all apply. The cylinder bores, AL, are in accordance with the preferred sizes of ISO 3320.Several bearing rings can be fitted into multiple grooves, if necessary, to meet the required length. The maximum run out tolerance between the separate bearing groove diameters, d1, shall be 0,05 mm. ISO 2014
33、All rights reserved 3BS ISO 10766:2014ISO 10766:2014(E)Dimensions in millimetresKeyaSee Clause 9.NOTE 1 Maximum run-out tolerance Y = 0,05.Figure 2 Cut bearing ring housing for pistons4 ISO 2014 All rights reservedBS ISO 10766:2014ISO 10766:2014(E)Table 2 Dimensions of cut bearing ring housings for
34、pistonsDimensions in millimetresAL d1L S AL d1L S1611 5,6 2,5160 1559,72,512,9 4 1,55 152015 5,6 2,5 2516,9 4 1,55180 1759,72520 5,6 2,5 1521,9 4 1,55 2532275,62,5200 1959,79,7 1528,9 4,0 1,55 2540355,62,5220 2159,79,7 1536,9 4 1,55 2550455,62,5250 2459,79,7 1546,9 4 1,55 2560 555,62,5280 a272 25 49
35、,7275152,515 2563 585,6320 a312 25 49,7315152,515 2580 755,6360 a352 25 49,7355152,515 25100 955,6400 a392 25 49,7395152,515 25125 1209,7450 a442 25 415445152,525 25140 1359,7500 a492 25 415495152,525 25aMultiple bearings can be required to resist the side loads on the cylinder. ISO 2014 All rights
36、reserved 5BS ISO 10766:2014ISO 10766:2014(E)7.2 Dimensions of housings for rodsCut bearing ring housings for rods shall be in accordance with Figure 3 and Table 3. For tolerances, the requirements given in Clause 8 shall apply. The rod diameters, MM, are in accordance with the preferred sizes of ISO
37、 3320.Several bearing rings can be fitted into multiple grooves, if necessary, to meet the required length. The maximum run out tolerance between the separate bearing groove diameters, D1,shall be 0,05 mm.Dimensions in millimetresKeyaSee Clause 9.NOTE 1 Maximum run-out tolerance Y = 0,05.Figure 3 Cu
38、t bearing ring housing for rods6 ISO 2014 All rights reservedBS ISO 10766:2014ISO 10766:2014(E)Table 3 Dimensions of cut bearing ring housings for rodsDimensions in millimetresMM D1L S MM D1L S12 15,14 1,55100 1059,72,514 17,1 1516 19,1 2518 21,1110 1159,720 23,1 1522 25,1 252528,1125 1309,7305,62,5
39、159,7 252831,1 4 1,55140 1459,7335,62,5159,7 2532 375,6160 1659,79,7 1515 2536 415,6180 1859,79,7 1515 2540 455,6200 a205159,7 2515220 a2251545 505,6 259,7250 a2551515 2550 555,6280 a285159,7 2515 288 25 456 615,6320 a325152,59,7 2515 328 25 463 685,62,5 360 a365152,59,7 2515 368 25 470 755,6400 a40
40、5 25 2,59,7 408 25 415450 a455 25 2,580 859,7 458 25 4152590 959,71525aMultiple bearings can be required to resist the side loads on the cylinder. ISO 2014 All rights reserved 7BS ISO 10766:2014ISO 10766:2014(E)8 TolerancesThe dimensions of housings for cut bearing rings shall be within the limits g
41、iven in Table 4.Table 4 Tolerances for dimensions of cut bearing ring housingsTolerances in millimetresDimension LimitsAL No more than H10 (see ISO 286-2)D1H8/H9 (see ISO 286-2)G See Clause 9d1f8/f9 (see ISO 286-2)L002+ ,MMUsually related to seal requirements, but typi-cally f8 to h9 (see ISO 286-2)
42、P See Clause 9S Nominal size only9 Diametral clearanceThe diametral clearance for piston applications is the difference between diameters AL and P (see Figure 2). It may be further increased by the expansion of the cylinder that results from internal pressure.The diametral clearance for rod applicat
43、ions is the difference between diameters G and MM (see Figure 3).This diametral clearance controls the extrusion gap for any associated seal, either mounted to the piston, or fitted to the gland in a rod application.It is recommended that details concerning diameter P or G are the subject of consult
44、ation between the housing designer and bearing ring manufacturer, taking account of the bearing ring material and the operating conditions.10 Identification statement (Reference to this International Standard)Use the following statement in test reports, catalogues and sales literature when electing
45、to comply with this International Standard:“Housings for rectangular-section-cut bearings rings for pistons and rods conform to ISO 10766:2014, Hydraulic fluid power Cylinders Housing dimensions for rectangular-section-cut bearing rings for pistons and rods.”8 ISO 2014 All rights reservedBS ISO 1076
46、6:2014ISO 10766:2014(E)Bibliography1 ISO 1101, Geometrical product specifications (GPS) Geometrical tolerancing Tolerances of form, orientation, location and run-out2 ISO 4288, Geometrical Product Specifications (GPS) Surface texture: Profile method Rules and procedures for the assessment of surface
47、 texture3 ISO 6020-1, Hydraulic fluid power Mounting dimensions for single rod cylinders, 16 MPa (160 bar) series Part 1: Medium series4 ISO 6022, Hydraulic fluid power Mounting dimensions for single rod cylinders, 25 MPa (250 bar) series5 ISO 8015, Geometrical product specifications (GPS) Fundament
48、als Concepts, principles and rules6 ISO 13715, Technical drawings Edges of undefined shape Vocabulary and indications ISO 2014 All rights reserved 9BS ISO 10766:2014ISO 10766:2014(E) ISO 2014 All rights reservedICS 23.100.20Price based on 9 pagesThis page deliberately left blankBSI is the national b
49、ody responsible for preparing British Standards and other standards-related publications, information and services.BSI is incorporated by Royal Charter. British Standards and other standardization products are published by BSI Standards Limited.British Standards Institution (BSI)BSI Group Headquarters389 Chiswick High Road London W4 4AL UKAbout usWe bring together business, industry, government, consumers, innovators and others to shape th
