DIN 6889-1956 Taper Key Torque Transmission Gib-head Saddle Keys Dimensions and Application《扭力传动斜键 弯头鞍形键 尺寸和应用》.pdf

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1、UDC 621.886.6 DEUTSCHE NORMEN February 1956 P m E .- r c 8 c .- E L 3 E Taper Key Torque Transmission Gib-head Saddle Keys Dimensions and Application EN 6889 I Spannungeverbindugen mit Anzug; lasenhohlkeile, Abmessungen und Anwendung Dimensions in mm w Breaking of corners Chamfering Radiueing Radius

2、 at bot- at manufacturers choice tom of keywag Designation of a gib-head saddle key of width b = 10 mm, height h = 4 mm and length = 32 mm: Gib-head saddle key 10 x 4 x 32 DIN 6889 down. Xf, in special cases, certain prescribed permissible variations must be observed, these mue be agreed with the ma

3、nufacturer when ordering. Dimension h to the -dum depth of the hub keyway. ggterialz St 60 (steel having a tensile strength of at least 60 kg/ipm2 in the finished condition) 1 Where corresponding dimensions are involved, particularly for shaft extensions, it is vital that the appropriate key cross-s

4、ection be assi ed to the shaft diameters concerned. 2, In workshop drawings dimensions t2 and (d + tpymay appear side by aide; however, in many cases the dimension (d + tp) will euffice. In this connection it may be necessary to allow for permissible variations and machining allowances on the shaft

5、and hub bore. 3, Where intermediate lengths are unavoidable these should be selected according to DIN 3. In all doubtful cases the permissible variation of the next greater length ( should be used. is the maximum height of the key (less gib-head), dimensions (d + tp) and t2 relate alternative materials to be epecified when ordering Alleinverkauf der Normen durch Beuth Verlag GmbH, Berlin 30 und Kln 1 5.79 DIB 6889 engl. Preisgr.4 Verti.-Nr. 0104

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