SHAFTHUBLOCK
CALCULATION REPORT
Order : Dware
Project : ShaftHubLock
Subproject : Shaft - Hub Connections
Project item : Design Pincer Ring Connection
Shaft ID : KLR00001
Hub ID : KLR00002
Calculated by : André Dewispelaere
Organization : Dware - Belgium
Date : 28/03/2023 



   Materials - Properties




Element: ID    Cl  Denomination    RpN    RmN  sWbN   A5   HB     E     nu   rho




-------: ---  ---  -------------- N/mm² N/mm² N/mm²   %    HB   N/mm²   --  kg/dm³




Shaft  : 165  BSN  S420N            420   590   310   18  180  210000  0.30  7.85




Hub    : 710  GJS  EN-GJS-400-15    250   400   200   15  180  169000  0.28  7.10




Key/rng: 725  GJS  EN-GJS-700-2     420   700   280    2  280  176000  0.28  7.20
1 1. Input design clamp ring connect Symbol Unit Shaft Hub
2 Nominal torque to transmit T Nm 600.00
3 Axial force to transmit Fa kN 0.000
4 Action radius of axial force rFa mm 0.0
5 Application factor KA -- 1.00
6 External diameter do mm 50.0 --
7 Internal diameter di mm 0.0 50.0
8 Hub width bh mm -- 50.0
9 Contact surface roughness Ra µm 1.600 3.200
10 Tolerance class Tg -- h8 P8/h8
11 Min safety factor on hub failure SFh -- -- 3.50
12 Clamp ring width br mm 40.0
13 Number of bolts nb -- 1
14 Clamp ring tolerance class ITr -- P8
15 Min safety factor on ring failure SFr -- 2.50
16 Min safety factor on slip Sr -- 1.50
17 Contact surface condition -- -- ungreased
18 Load class -- -- uniform
19 Bolt strength class -- -- 12.9
20 2. Calculation results Symbol Unit Shaft Hub
21 Outside diameter do mm 50.0 62.0
22 Ring outside diameter in A dorA mm 101.0
23 Ring outside diameter in B dorB mm 89.0
24 Ring inside diameter dir mm 62.0
25 Bolt thread dG -- M10
26 Bolt force Fb N 48900
27 Bolt tightening torque Tb Nm 71
28 Lever arm of normal force l1 mm 31.0
29 Lever arm of bolt force l2 mm 87.0
30 Normal force Fn N 137235
31 Stick coefficient νru -- 0.170
32 Slip torque Tr Nm 1167
33 Calc safety factor on slip Sr -- 1.94
34 Contact pressure pFsh,hr N/mm² 55 55
35 Calc safety factor contact pressu SFsh,hr -- 2.55 2.64
36 3. Stress in ring at point A Symbol Unit Clamp Ring
37 Tangential stress σtrA N/mm² 121.6
38 Radial stress σrrA N/mm² -55.0
39 Comparison stress σvrA N/mm² 156.5
40 Calc safety factor on failure SrA -- 2.68
41 4. Stress in ring at section BB Symbol Unit Clamp Ring
42 Tensile stress σtrBB N/mm² 163.6
43 Safety factor on failure SrBB -- 2.57