SHAFTHUBLOCK
CALCULATION REPORT
Order : Dware
Project : Demo ShaftHubLock
Subproject : Cone Press Connection
Project item : Niemann-Winter-Höhn B I 4 Aufl
Shaft ID : P 856
Hub ID : P 808
Calculated by : André Dewispelaere
Organization : Dware - Belgium
Date : 28/02/2023 



   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  : 420  ESH  16MnCr5 Eh      1470  2150   860    9  520  210000  0.30  7.85




Hub    : 420  ESH  16MnCr5 Eh      1470  2150   860    9  520  210000  0.30  7.85
1 1. Input design cone connection Symbol Unit Shaft Hub
2 Calculation on base of -- -- Torque
3 Nominal torque to transmit T Nm 500.00
4 Nominal axial force to transmit Fa kN 0.000
5 Application factor KA -- 1.00
6 Desired contact pressure pF N/mm² 0.00
7 Reference- | outside diameter d | doh mm 52.00 94.00
8 Inside | reference diameter di | d mm 0.00 52.00
9 Reference distance | hub length br | LH mm 8.0 48.0
10 Cone ratio C -- 1/50.000000
11 Roughness of contact surface Ra µm 0.800 0.800
12 Safety factor on plastic flow SF -- 1.10 1.10
13 Minimum safety factor on slip Srmin -- 4.50
14 Rotation speed N rpm 800
15 Surface condition -- -- ungreased
16 Fastener type -- -- lock nut
17 Fastener is to determine -- -- yes
18 Strength class -- -- 12.9
19 Load classification -- -- uniform
20 2. Calculation results Symbol Unit Shaft Hub
21 Cone inclination angle α/2 ° ' " 0°34'22"
22 Cone major diameter d1 | d mm 52.160 52.000
23 Cone minor diameter d2 | d3 mm 51.200 51.040
24 Length of cone | hub LC | LH mm 48.0 48.0
25 Hub entry chamfer a mm 0.0 4.0
26 Free overhang clearance c mm 0.0 4.0
27 Cone mean diameter DFm mm 51.5
28 Contact length LF mm 40.0
29 Area of contact surface AF mm² 6472
30 Transverse stick coefficient νru -- 0.120
31 Axial stick coefficient νrl -- 0.110
32 Minimum required contact pressure pFmin N/mm² 112.5
33 Minimum normal force Fnmin kN 728.100
34 Stress influence factor Q -- 0.000 0.548
35 Strain influence factor K µm²/N 3.333 10.278
36 Minimum working interference Pomin µm 79
37 Interference smoothing G µm 10
38 Minimum interference before smooth Pmin µm 89
39 Minimum press shift emin mm 4.45
40 Minimum press force Famin kN 87.4
41 Maximum press shift emax mm 4.65
42 Maximum interference Pmax µm 93
43 Maximum contact pressure PFmax N/mm² 132.7
44 Maximum normal force Fnmax kN 858.834
45 Contact pressure limit mating mat pFlim N/mm² 514.7
46 Determined thread M mm M 50x1.5
47 Diameter of fastener db mm 50.0
48 Axial force capacity Fab kN 91.5
49 Maximum spacer width b mm 3.55
50 Slip torque Tr Nm 2250
51 Safety factor on slip Sru -- 4.50
52 Slip torque at N rpm TrN Nm 2249
53 3. Stress at DFm for pFmax Symbol Unit Shaft Hub
54 Tangential stress σtF N/mm² -132.7 246.6
55 Radial stress σrF N/mm² -132.7 -132.7
56 Comparison stress σvF N/mm² 132.7 333.4
57 Safety factor on plastic flow SFF -- 11.08 4.41
58 4. Str inside min|str outside maj Symbol Unit Shaft Hub
59 Tangential stress σti,o N/mm² -132.7 116.9
60 Radial stress σri,o N/mm² -132.7 0.0
61 Comparison stress σvi,o N/mm² 132.7 116.9
62 Safety factor on plastic flow SFi,o -- 11.08 12.57
63 Contraction | expansion Symbol Unit Shaft Hub
64 Outside - | inside diameter Δdo|Δdi µm -23 70
65 Inside - | outside diameter Δdi|Δdo µm 0 51