The cylindrical bore and outside surfaces of the clamping set must be completely covered by the connecting components.

Manufacturing tolerance of the hub bore: H7 (H6 for stringent concentricity requirements, e.g. in gears).

The shaft has to be done according to DIN748 (diameter until 50mm in tolerancefield k6, from 55mm and bigger in tolerancefield m6).

The shaft and bore must be cylindrically machined with a mean peak-tovalley heigh of 
Rz = 2,5...6,3 microns.
 

To ensure that the stress exerted on the hub remains within the elastic range, we recommend the following minimum wall thickness:

• C 45 steel                               = 0,6x(d2-d1)
   
• aluminium-
  alloys                                      = 1,0x(d2-d1)
  Minimum strength F 38
  Only permissible when used as a 
  connecting element. Not suitable
  in case of high alternating tension
  and compression stress.
   
• grey cast iron GG25             = 1,0x(d2-d1)
  (shrinkage free cast)
  

Back