1、December 2013 Translation by DIN-Sprachendienst.English price group 11No part of this translation 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).I
2、CS 25.100.70!%*Ra“2074762www.din.deDDIN ISO 666Machine tools Mounting of grinding wheels by means of hub flanges (ISO 666:2012),English translation of DIN ISO 666:2013-12Werkzeugmaschinen Aufspannen von Schleifscheiben mit Hilfe von Aufnahmeflanschen (ISO 666:2012),Englische bersetzung von DIN ISO 6
3、66:2013-12Machines-outils Montage des meules par moyeux-flasques (ISO 666:2012),Traduction anglaise de DIN ISO 666:2013-12SupersedesDIN ISO 666:2006-09, withdrawn2009-03www.beuth.deDocument comprises pagesIn case of doubt, the German-language original shall be considered authoritative.19DIN ISO 666:
4、2013-12 A comma is used as the decimal marker. Contents Page National foreword .3 National Annex NA (informative) Bibliography 4 1 Scope 5 2 Normative references 5 3 Terms and definitions .6 4 Requirements .6 4.1 General 6 4.2 Dimensions .6 4.3 Flange socket .9 4.4 Material .11 4.5 Marking .11 5 Des
5、ignation 13 6 Scope of delivery .13 Annex A (informative) Calculation of clamping force and tightening torque for the mounting of abrasive products by means of flanges 14 2 DIN ISO 666:2013-12 National foreword This document (ISO 666:2012) has been prepared by Technical Committee ISO/TC 29 “Small to
6、ols”, Subcommittee SC 5 “Grinding wheels and abrasives” (Secretariat: (DIN, Germany), Working Committee NA 121-04-05 AA Flansche. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. DIN and/or DKE shall not be held responsible for ide
7、ntifying any or all such patent rights. The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 603-1 DIN ISO 603-1 ISO 603-2 DIN ISO 603-2 ISO 603-4 DIN ISO 603-4 ISO 603-6 DIN ISO 603-6 ISO 603-7 DIN ISO 603-7 ISO 603-8 DIN ISO 603-8 ISO 702-
8、1 DIN ISO 702-1 ISO 1119 DIN EN ISO 1119 ISO 2768-1 DIN ISO 2768-1 ISO 4762 DIN EN ISO 4762 ISO 6103 DIN EN ISO 6103 ISO 12164-1 DIN 69893-1 ISO 12164-2 DIN 69893-1 ISO 13942 DIN ISO 13942 Amendments This standard differs from DIN ISO 666:2006-09 (withdrawn 2009-03) as follows: a) in Subclause 4.2,
9、Figure 1, the tolerance class of the outer diameter, DH2, of the fixed flange has been changed to f6; consequently, the tolerance class of the outer diameter, DH1, of the loose flange has been changed to e7, in order to avoid possible safety problems, in particular, for bonded abrasive products in c
10、ases where the minimum permitted clearance between the hole, H, of the grinding wheel and the diameter, DH2, of the flange is reached and can lead to tangential tensile stress in the wheel; b) in Subclause 4.2, Figure 1, the tolerance for the concavity of the flanges part supporting the wheel has be
11、en reduced, in order to obtain a better distribution of the tightening forces on the wheels contact surface. Frhere Ausgaben DIN 6375: 1943x-12; 1987-12 DIN 6375-1: 1979-02 DIN 6375-2: 1984-03 DIN 6375-3: 1979-02 DIN ISO 666: 1998-08; 2006-09 3 DIN ISO 666:2013-12 National Annex NA (informative) Bib
12、liography DIN 69893-1, Hollow taper shanks with flange contact surface Part 1: Hollow taper shanks type A and type C Dimensions and design DIN EN ISO 1119, Geometrical product specifications (GPS) Series of conical tapers and taper angles DIN EN ISO 4762, Hexagon socket head cap screws DIN EN ISO 61
13、03, Bonded abrasive products Permissible unbalances of grinding wheels as delivered Static testing DIN ISO 603-1, Bonded abrasives products Dimensions Part 1: Grinding wheels for external cylindrical grinding between centres DIN ISO 603-2, Bonded abrasives products Dimensions Part 2: Grinding wheels
14、 for centreless external cylindrical grinding DIN ISO 603-4, Bonded abrasives products Dimensions Part 4: Grinding wheels for surface grinding/peripheral grinding DIN ISO 603-6, Bonded abrasives products Dimensions Part 6: Grinding wheels for tool and tool room grinding DIN ISO 603-7, Bonded abrasiv
15、es products Dimensions Part 7: Grinding wheels for manually guided grinding DIN ISO 603-8, Bonded abrasives products Dimensions Part 8: Grinding wheels for deburring and fettling/snagging DIN ISO 702-1, Machine tools Connecting dimensions of spindle noses and work holding chucks Part 1: Conical conn
16、ection DIN ISO 2768-1, General tolerances Tolerances for linear and angular dimensions without individual tolerance indications DIN ISO 13942, Bonded abrasive products Limit deviations and run-out tolerances 4 Machine tools Mounting of grinding wheels by means of hub flanges1 ScopeThis International
17、 Standard specifies the essential requirements, especially the dimensions, for hub flanges for plain grinding wheels according to ISO 603-1, ISO 603-2, ISO 603-4, ISO 603-6, ISO 603-7 and ISO 603-8, with a ratio of the bore diameter to the outside diameter H/D 0,2. It is also applicable to super abr
18、asives with vitrified or metal core having the same diameters as the grinding wheels in accordance with the according to the aforementioned parts of ISO 603, independently from the material of the core. It applies to grinding wheels with peripheral speeds up to 50 m/s and driving powers of the wheel
19、 spindle up to 30 kW.It is not applicable to mounting devices for cutting-off wheels.2 Normative referencesThe following 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 un
20、dated references, the latest edition of the referenced document (including any amendments) applies.ISO 603-1, Bonded abrasive products Dimensions Part 1: Grinding wheels for external cylindrical grinding between centresISO 603-2, Bonded abrasive products Dimensions Part 2: Grinding wheels for centre
21、less external cylindrical grindingISO 603-4, Bonded abrasive products Dimensions Part 4: Grinding wheels for surface grinding/peripheral grindingISO 603-6, Bonded abrasive products Dimensions Part 6: Grinding wheels for tool and tool room grindingISO 603-7, Bonded abrasive products Dimensions Part 7
22、: Grinding wheels for manually guided grindingISO 603-8, Bonded abrasive products Dimensions Part 8: Grinding wheels for deburring and fettling/snaggingISO 702-1, Machine tools Connecting dimensions of spindle noses and work holding chucks Part 1: Conical connectionISO 1119, Geometrical product spec
23、ifications (GPS) Series of conical tapers and taper anglesISO 2768-1, General tolerances Part 1: Tolerances for linear and angular dimensions without individual tolerance indicationsISO 4762, Hexagon socket head cap screwsISO 6103, Bonded abrasive products Permissible unbalances of grinding wheels a
24、s delivered Static testingISO 12164-1, Hollow taper interface with flange contact surface Part 1: Shanks DimensionsISO 12164-2, Hollow taper interface with flange contact surface Part 2: Receivers DimensionsISO 13942, Bonded abrasive products Limit deviations and run-out tolerances5 DIN ISO 666:2013
25、-12 3 Terms and definitionsFor the purposes of this document, the following terms and definitions apply.3.1hub flangesystem of fixed and loose flanges for a friction mounting of grinding wheels on a wheel spindle, where a securing system for frictional or positive connection with the wheel spindle i
26、s integrated into the fixed flange and the clamping force is applied via several screws arranged on a pitched circle3.2fixed flangepart of the hub flange, by means of which the frictional or positive connection to the wheel spindle is establishedNOTE For CNC grinding machines, its contact area with
27、the grinding wheel (annular surface) serves as the reference surface for the determination of the position of the grinding wheel on the spindle.3.3loose flangecounterflangeflange that represents the counterpart to the fixed flange and has to be removed for the mounting/demounting of the grinding whe
28、el (on/from the wheel spindle or the hub flange)3.4flange socketpart of the fixed flange, by means of which the frictional or positive connection to the wheel spindle is established (interface with the wheel spindle)3.5spindle socketpart of the wheel spindle by means of which the frictional or posit
29、ive connection to the hub flange is established (interface with the hub flange)4 Requirements4.1 GeneralThe hub flanges in accordance with this International Standard are designed for the specified outside diameters, thicknesses and bores of the grinding wheels according to Table 1 for the transmiss
30、ion of the following driving powers of the wheel spindle: 3 kW for grinding wheel diameters D = 200 mm to D = 356 mm; 7 kW for grinding wheel diameters D = 400 mm to D = 508 mm; 15 kW for grinding wheel diameters D = 600 mm to D = 762 mm; 30 kW for grinding wheel diameters D = 800 mm to D = 1 250 mm
31、.4.2 DimensionsFor the dimensions of hub flanges, see Figure 1 and Table 1.For the dimensions of flange sockets, see Figures 2 to 6 and Table 2.Details not mentioned shall be chosen according to the intended use. This includes the position and geometry of the groove for the balancing weights, and th
32、e pitch diameter of the screw mounting system. The latter should be chosen as large as possible.6 DIN ISO 666:2013-12 Dimensions in millimetres General tolerances ISO 2768-m Surface roughness in micrometresaThe diameters DL1, DL2and Dpare left to the manufacturers discretion.bDH1and DH2correspond to
33、 the nominal bore diameter, H, of the grinding wheel.cTPL, TRL 0,03 mm for grinding wheels in accordance with ISO 603-2, ISO 603-4, ISO 603-6, ISO 603-7 and ISO 603-8, and for super abrasives with vitrified core. TPL, TRL 0,01 mm for super abrasives with metal core.dFlange socket A, BF, BM, CF or CM
34、.eX (pitch of threaded holes) Z.Figure 1 Hub flange7 DIN ISO 666:2013-12 Table 1 Dimensions of grinding wheels and hub flangesGrinding wheel Hub flangeNumber and size of screwsdDaTaHaDFDiB N S Q Z Hexagon socket head cap screw in accordance with ISO 4762 min. max. min. min. min. 200 13 2050,8 85 60
35、6 5Tc+ 6 mm min.4 M5250 20 40200 25 12576,211585 8 5 6 M5250 20 40300 20 80350/356 32 80 125250 20 2501271651371066 M6300 20 250350/356 25 600175 126M8400/406 32 100450/457 32 80 185140 13500/508 50 80 191600/610 50 80 210 145 14 8250 25 250152,4180 162 106 6 M8300 40 250350/356 100 600 190 162 1240
36、0/406 40 50 19616512450/457 40 63 20413500/508 40 80 212 170350/356b b160b202 170 126 6 M8400/406450/457220 170 13500/508400/406 25 250203,22402151288 M8450/457 32 80260 13500/508 40 63600/610 20 100 272 148 M10750/762 63 100 300 230 16500/508 25 600304,8365 315 15108 M12600/610 20 600750/762 20 600
37、 382 320 16800/813 20 150410 330 1810 M12900/914 20 1521 060/1 067 20 150 435 330 228 DIN ISO 666:2013-12 Grinding wheel Hub flangeNumber and size of screwsdDaTaHaDFDiB N S Q Z Hexagon socket head cap screw in accordance with ISO 4762 min. max. min. min. min. 900/914 20 150406,4492420 25 1510 M161 0
38、60/1 067 20 150 5201 060/1 067 63 150508602530 25 15 10 M161 250 63 150 635aDimensions in accordance with ISO 603-1, ISO 603-2, ISO 603-4, ISO 603-6, ISO 603-7 and ISO 603-8; limit deviations and run-out tolerances in accordance with ISO 13942.bGrinding wheels with H = 160 mm are mainly used for the
39、 grinding of flanks of gear teeth and threads; they are not standardized in ISO 603-1, ISO 603-2, ISO 603-4, ISO 603-6, ISO 603-7 or ISO 603-8.cDimension T is the actual size of the grinding wheel thickness.dThe method for calculating the necessary clamping force and screw-tightening torques is give
40、n in Annex A.4.3 Flange socketThe interface of the fixed flange and the wheel spindle cannot be specified in detail in this International Standard. In the following, different flange sockets are presented in Figures 2 to 6 and preferred number series for nominal sizes are given in Table 2.This repre
41、sentation of flange sockets enables an unambiguous definition of the interface flange/wheel spindle and the limitation of the variety of flange sockets.The flange sockets presented shall be favoured in use.a) Type A: flange socket for spindle with taper shank 1:10 in accordance with ISO 1119.Figure
42、2 Taper 1:10Table 1 (continued)9 DIN ISO 666:2013-12 b) Type BF: flange socket for spindle with taper shank 1:4 in accordance with ISO 702-1.Figure 3 Short taper 1:4 (female taper)c) Type BM: flange socket for spindle with taper sleeve 1:4 in accordance with ISO 702-1.Figure 4 Short taper 1:4 (male
43、taper)d) Type CF: flange socket for spindle with hollow taper shank 1:10 in accordance with ISO 12164-2.Figure 5 Taper 1:10 (female taper)10 DIN ISO 666:2013-12 e) Type CM: flange socket for spindle with hollow taper sleeve 1:9,98 in accordance with ISO 12164-1.Figure 6 Taper 1:9,98 (male taper)4.4
44、MaterialThe material is steel with a minimum tensile strength of 500 N/mm2; the type is left to the manufacturers discretion.4.5 MarkingHub flanges in accordance with this International Standard shall be marked with the following characteristics.a) Loose flange:1) reference to this International Sta
45、ndard, i.e. ISO 666;2) maximum outside diameter, D, of the grinding wheel;3) bore diameter, H, of the grinding wheel.b) Fixed flange:1) reference to this International Standard, i.e. ISO 666;2) maximum outside diameter, D, of the grinding wheel;3) clamping area, T, of the hub flange;4) bore diameter
46、, H, of the grinding wheel;5) identification of the manufacturer or supplier.11 DIN ISO 666:2013-12 Table 2 Connecting dimensions of flange socketsGrinding wheel Flange socketType A Types BF and BM Types CF and CMD H d1d2ad3b20050,8 40 53,975 48,0125020076,240 and 6353,975 and 63,51348,01 and 60,012
47、250300350/356250127300350/356400/406450/457500/508600/610250152,480 82,563 75,013300350/356400/406450/457500/508350/356160400/406450/457500/508400/406203,2450/457500/508600/610750/762500/508304,8100 106,375 95,016600/610750/762800/813120 139,719 120,016900/9141 060/1 067900/914406,41 060/1 0671 060/
48、1 0675081 250aComplete dimensions in accordance with ISO 702-1.bComplete dimensions in accordance with ISO 12164-1 and ISO 12164-2.12 DIN ISO 666:2013-12 5 DesignationHub flanges in accordance with this International Standard are designated as follows:a) “Hub flange”;b) reference to this Internation
49、al Standard, i.e. ISO 666;c) type of flange socket (A, BF, BM, CF or CM);d) diameter d1, d2or d3;e) dimensions of the grinding wheel D, T and H.EXAMPLE A hub flange with flange socket Type A, d1= 63 mm, for plain grinding wheels, and with D = 400 mm, T = 32 mm to 100 mm and H = 127 mm, is designated as follows:Hub flange ISO 666 A63 - 400 32/100 1276 Scope of deliveryThe delivery of the hub flange includes the fixed flange, loose flange and associated head cap
