DIN_6883相关标准规范

UD0621.B86.6Pebruary 1956xTaper Key Torque Transmission丽Parallel KeysDimensions and Application6883Spannungsverbindungen mit Anzug;Plachkeile,Abmessungen und AnwendungDimensions in mmTaper 1 100fittedBreaking cornersDesignation of a parallel key of widthChamtering RadiuaingRadius at bot-b=10 mm,height h 6 mm and lengthat manufacturer's choicetom of keywayL50 mm:7Para11e1key10×6×50DI6883Width b388o8 ccorda1as日e1hth81012141618202225283236404550566689910112141618图a8tea5above22303844505865758595110130150170200up to303844505865758595110130150170200230Depth4131818141919191,8192,4232,844,75,2+0.2idth of keyway 1.hub b D1081012141618202225283236404550Depth of keyway2)3,23,73,744.54.55,56,56,46,97,98,49110,4117in hubperm.var.+0,2+0,JBevelling or0,40.50.60,81,2radiuaingperm.var.40.2+0,3+0,4r0,40.50.60.8T1.2o重ke订y我yDeT■。7aT。0.2-0.J-0.4Length /pern.var.Weight (7,85 kg/dm').kg/1000 pieces206.16-0,2283297314717613610.816.419.723.04012.118221825.54513520424528.638-0,31A0116561食186739,45057627020.4■31080351■42249366390392470548740■833]107■13■■151■189■24910051860.581.6918118147167209264■32411056.566.069.010012916018218935546412563.574.01001131453264025241408161111112511602008644655114018138323180-0,52012883604200170220276314■396■■502220238300341432646774-02503353804826131402803158201601130151019802510No figures for permiesible variations of tapers on keys and in hub keyways have so far been laiddown.If,in special cases,certain prescribed permiesible variations must be obaerved,theae mustbagreedwiththemanufacturerwhendering.Dimeneion1et。aximum he1 ht o the key,a1mena1ong（a+t】andt2 relate to the。ax4adepth of the keyway in the hub.Material:St 60 (steel having a tensile strength of at least 60 kg/mm2 in the finished condition)alternative materials to be specified in order1)Where corresponding dimensions are involved,particularly for shaft extensions,it ia vitalthat the appropriate key cross-section be aseigned to the shaft diameters concerned.2)in workahopdrawings the dimensions t1 and (dt)also t2 and (d t2)may appear side byside;however,in many cases the dimensions (d -t)and (d+t2)will suffice.Inthisconnection it may be necessary to allow for permissible variations and machining allowanceson the shaft and hub bore.3)where inermediste lengtha are unavoidable these should be selected according to DIN 3.In alldoubtful cases the permissible variation of the next greater length l should be used.163