SHAFTHUBLOCK
CALCULATION REPORT
Order : Dware
Project : Demo ShaftHubLock
Subproject : Splined Shaft-Hub Connections
Project item : Involute Profile DIN 5480
Shaft ID :
Hub ID :
Calculated by : André Dewispelaere
Organization : Dware
Date : 08/03/2023 



   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  : 457  NSV  42CrMo4 V        900  1200   590   10  800  210000  0.30  7.85




Hub    : 457  NSV  42CrMo4 V        900  1200   590   10  800  210000  0.30  7.85








Involute Spline Profile DIN 5480




Nr , Type     ,  dB ,    m , alpha , z ,    d ,  da1 ,  da2 




---, ---------,  mm ,   mm ,  °.dec, --,   mm ,   mm ,   mm 




148,DIN 5480  ,   50,  2.00,  30.00, 24,  48.0,  49.6,  46.0
1 1. Input load capacity calculation Symbol Unit Shaft,Hub
2 Nominal torque to transmit Tn Nm 2700.00
3 Application factor KA -- 1.00
4 Equivalent torque to transmit Teq Nm 0.00
5 Peak torque to transmit Tmax Nm 3500.00
6 Load peak frequency NL cy 10000
7 Load reversing frequency Nw cy 100000
8 Reversing load factor fw -- 0.55
9 Spline load carrying length ltr mm 15.00
10 2. Common load capacity calculat Sh Hb Unit Shaft,Hub
11 Equivalent torque load Teq Nm 2700.00
12 Peak torque load Tmax Nm 3500.00
13 Mean flank profile diameter dm mm 47.80
14 Contact force Ft N 112970.71
15 Contact force per tooth Ft/z N 4707.11
16 Contact force per unit length Ft/zb N/mm 313.81
17 Total contact area Aw mm² 648.00
18 Length factor - Load feed middle kl -- 1.03
19 Flank fit-Load share factor equiv kφβeq -- H10/g9 3.00
20 Flank fit-Load share factor peak kφβmax -- H10/g9 2.35
21 3. Shaft flank pressure calculat Sh FlPr Unit Shaft
22 Raw material diameter deff mm 65.00
23 Yield strength in component Rp(deff) N/mm² 900.00
24 Ultimate strength in component Rm(deff) N/mm² 1200.00
25 Equival effective flank pressure peq N/mm² 538.70
26 Peak effective flank pressure pmax N/mm² 547.02
27 Peak load factor fL -- 1.40
28 Support factor fs -- 1.20
29 Hardness influence factor fH -- 1.15
30 Limit endurance flank pressure pLimD N/mm² 683.10
31 Limit peak flank pressure pLimmax N/mm² 1738.80
32 Safety factor flank pressure endur SFD -- 1.27
33 Safety factor flank pressure peak SFS -- 3.18
34 Minimal safety factor flank press SFmin -- 1.30
35 Torque capacity on flank pressure TcapFP Nm 2634.00
36 4. Shaft torsion strength calculat Sh Tors Unit Shaft
37 Torsional area modulus Wt mm³ 18373.74
38 Torsional stress spline end sect τt N/mm² 146.95
39 Permissible torsional endur stress τtP N/mm² 360.00
40 Torsional notch factor for spline βKt -- 1.40
41 Permiss notched tors endur stress τKtP N/mm² 257.14
42 Safety factor on yield failure SF -- 1.75
43 Minimal safety factor SFmin -- 1.30
44 Torque capacity on torsion stress TcapTrs Nm 3634.33
45 5. Hub flank pressure calculation Hb FlPr Unit Hub
46 Minor hub outside diameter D1 mm 65.00
47 Major hub outside diameter D2 mm 140.00
48 Width hub part with diameter D2 c mm 15.00
49 Equivalent outside diameter D mm 140.00
50 Raw material diameter deff mm 160.00
51 Yield strength in component Rp(deff) N/mm² 855.00
52 Ultimate strength in component Rm(deff) N/mm² 1154.00
53 Equival effective flank pressure peq N/mm² 538.70
54 Peak effective flank pressure pmax N/mm² 547.02
55 Peak load factor fL -- 1.40
56 Support factor fs -- 1.50
57 Hardness influence factor fH -- 1.15
58 Permiss endurance flank pressure pLimD N/mm² 811.18
59 Permissible peak flank pressure pLimmax N/mm² 2064.82
60 Safety factor endurance pressure SFD -- 1.51
61 Safety factor peak flank pressure SFS -- 3.77
62 Minimal safety factor flank press SFmin -- 1.30
63 Torque capacity flank pressure TcapFP Nm 3127.00
64 6. Hub torsional strength calcul Hb Tors -- Hub
65 Torsional area modulus Wt mm³ 34431.29
66 Torsional stress spline end sect τt N/mm² 78.42
67 Permissible torsional endur stress τtP N/mm² 346.00
68 Torsional notch factor for spline βKt -- 1.40
69 Permiss notched endurance stress τKtP N/mm² 247.14
70 Safety factor yield failure SF -- 3.15
71 Minimal safety factor SFmin -- 1.30
72 Torque capacity torsion TcapTrs Nm 6545.65