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1、International tandard 4348 INTERNATIONAL ORGANIZATION FOR STANOARDIZATlON*ME!XAYHAPOAHAR OPTAHHJAUHR l-tOCTAHAAPTM3AUMWORGANlSATlON INTERNATIONALE DE NORMALISATION gp$ tI 20.000 d 508,oo 0.030 0,76 D.H. (signifying wheel for double-hinge chain). 4 Guide rings When guide rings are fitted to chain whe
2、els, they shall conform to the overall requirements shown in figure 7. The detail design and method of fixing of the guide rings shall be at the discretion of the manufacturer. i The gap between guide rings shall accommodate both : I) max. width over curls bg or bll 2) max. pin length 65 or b13 (See
3、 tables 1, lM, 2 and 2M) Guide ring outside diameter shall not exceed the chain wheel tip diameter d, Figure 7 - Typical dimensions for guide rings used with chain wheels 9 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Defense Supply Ctr/9960866100 Not for Resale, 04/24/2007 10:52:01 MDTNo reproduction or networking permitted without license from IHS -,-,-