1、UDC 621.873 : 621.861 DEUTSCHE NORM July 19f Cranes Bottom blocks Sealing covers for type C rope pulleys with deep groove ball bearing, without internal sleeve DIN 15 418 Part 3 Krane; Unterflaschen; Verschlussdeckel fur Seilrollen der Form C mit Rillenkugellager ohne Innenbuchse In keeping with cur
2、rent practice in standards published by the International Organization for Standardization (ISO), a comma has been used throughout as the decimal marker. Dimensions in mm 1 Scope and field of application The specifications of this standard apply for sealing covers for type C rope pulleys conforming
3、to DIN 15418 Part 1. Dimensioning and finish are specified in this standard. This standard provides the necessary basis for exchanging sealing covers. 2 Dimensions, designation See page 2 for illustrations, dimensions and designation. 3 Material Steel at the manufacturers discretion. 4 Finish Finish
4、 of all surfaces machined by cutting in accordance with DIN IS0 1302 - in the region of d7 and di1 , roughness grade N 8; - elsewhere, roughness grade N 9. DIN 7168 - m and DIN 7168 -S general tolerances shall apply to the dimensions with no tolerance indication. Unless otherwise agreed, only sealin
5、g covers for shaft gaskets shall be used. When mounting the shaft gasket ensure that the sealing lip faces outward. Continued on page 2 Standards referred to DIN 3760 Selection sheet 1 DIN 6912 DIN 7168 Part 1 General tolerances; linear and angular dimensions DIN 7168 Part 2 General tolerances; form
6、 and position DIN 15408 DIN 15409 DIN 15418 Part 1 DIN IS0 1302 Radial shaft gaskets; selection of types and dimensions for steel works installations and rolling mill installations and cranes Hexagon socket flat head cap screws with pilot for wrench key Cranes; twin sheave bottom blocks; assembly Cr
7、anes; quadruple sheave bottom blocks; assembly Cranes; bottom blocks; type C rope pulleys with deep groove bail bearing, wit hout interna I sleeve Technical drawings; methods of indicating surface texture on drawings Other relevant standards DIN 15418 Part 2 Cranes; bottom blocks; spacer sleeves for
8、 type C rope pulleys with deep groove ball bearing, without internal sleeve Beuth Verlag GmbH. Berlin 30, has exclusive sale rights for German Standards (DIN-Normen) DIN 154 18 Part 3 Engl. Price group 03.85 Sales Na. 0104 Page 2 DIN 15418 Part 3 d7 f7 210 225 260 280 310 340 380 400 Sealing cover w
9、ith deep groove seal (Dl r, -Ir- Number Associated radial shaft H8 bores forming to DIN 3760 b dio di1 42) d13) di4 di5 di6 t2) t3 of gasket type A con- 22 161 190 11 18 190 240 265 9 15 6 160 X 190 X 15 22 171 200 11 18 205 250 275 9 15 6 170 X 200 X 15 22 191 220 14 20 240 290 320 10 15 6 190 X 22
10、0 X 15 22 201 230 14 20 260 310 340 10 15 6 200 X 230 X 15 22 221 250 14 20 290 340 370 10 15 8 220 X 250 X 15 22 241 270 14 20 320 370 400 10 15 a 240 X 270 X 15 260 X 300 X 20 27 261 300 14 20 340 390 420 10 20 8 27 281 320 18 26 380 440 480 13,s 20 8 280 X 320 X 20 - Detail x L Sealing cover for shaft gasket (E Detail Y International Patent Classification F 16 H 55/50 B 66 D
