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. Measurements splines DIN5480 Symbol Unit Shaft Hub
2 Centering -- -- none none
3 Flank fit tolerances DIN5480 -- -- H10/g9 H10/g9
4 Reference line tangent circle diam dv mm 47.800 -47.800
5 Tooth thickness|space width deviat As,e mm -0.011 0.000
6 Basic tolerance TG mm 0.071 0.100
7 Actual tolerance Tact mm 0.045 0.063
8 Effective tolerance Teff mm 0.026 0.037
9 Adjacent pitch deviation fp mm 0.019 0.027
10 Total cumulative pitch deviation Fp mm 0.045 0.063
11 Total profile deviation Fα mm 0.023 0.031
12 Total helix deviation Fβ mm 0.012 0.015
13 Radial runout Fr mm 0.040 0.040
14 Maximum actual space width emax mm -- 3.126
15 Minimum actual space width emin mm -- 3.063
16 Minimum effective space width evmin mm -- 3.026
17 Maximum effective tooth thickness svmax mm 3.015 3.063
18 Maximum actual tooth thickness smax mm 2.989 --
19 Miminum actual tooth thickness smin mm 2.944 --
20 2. Theoretical nominal dimensions Symbol Unit Shaft Hub
21 Number of teeth | spaces in span k -- 4 -4
22 Base tangent length Wk mm 21.179 -21.179
23 Measuring diameter dMk mm 46.653 -46.653
24 Calculated diameter measuring pins DMc mm 3.743 3.473
25 Effective diameter measuring pins DM mm 3.750 3.500
26 Diametral dimension over 2 pins MR mm 53.517 -42.621
27 3. Actual measurements DIN5480 Symbol Unit Shaft Hub
28 Upper deviation thickness | spacew Ase,ee mm -0.037 -0.100
29 Upper base tangent length Wke mm 21.147 -21.266
30 Lower deviation thickness | spacew Asi,ei mm -0.082 -0.037
31 Lower base tangent length Wki mm 21.108 -21.211
32 Mean deviation thickness | spacew Asm,em mm -0.060 -0.069
33 Mean generating prof shift coeffic xEm -- -0.076 0.020
34 Mean generating profile shift xEm* m mm -0.152 0.041
35 Mean base tangent length Wkm mm 21.128 -21.239
36 Measuring circle diameter dMkm mm 46.630 -46.681
37 Upper dimension over|betwn 2 pins MRe mm 53.459 -42.819
38 Lower dimension over|betwn 2 pins MRi mm 53.388 -42.695
39 Mean dimension over|betwn 2 pins MRm mm 53.423 -42.757
40 4. Effective measurements DIN5480 Symbol Unit Shaft Hub
41 Upper deviation thickness | spacew Asve,eve mm -0.011 0.037
42 Upper base tangent length Wkve mm 21.170 -21.147
43 Lower deviation thickness | spacew Asvi,evi mm -0.037 0.000
44 Lower base tangent length Wkvi mm 21.147 -21.179
45 Mean deviation thickness | spacew Asvm,evm mm -0.024 0.018
46 Mean generating prof shift coeffic xEvm -- -0.060 0.058
47 Mean generating profile shift xEvm* m mm -0.121 0.116
48 Mean base tangent length Wkvm mm 21.159 -21.163
49 Measuring circle diameter dMkvm mm 46.644 -46.646
50 Upper dimension over|betwn 2 pins MRve mm 53.500 -42.547
51 Lower dimension over|betwn 2 pins MRvi mm 53.459 -42.621
52 Mean dimension over|betwn 2 pins MRvm mm 53.479 -42.584
53 5. Backlash Symbol Unit max min
54 Theoretical transverse backlash jt.act mm 0.182 0.074
55 Effective transverse backlash jt.eff mm 0.074 0.011
56 Theoretical normal backlash jn.act mm 0.158 0.064
57 Effective normal backlash jn.eff mm 0.064 0.010
58 Theoretical radial backlash jr.act mm 0.079 0.032
59 Effective radial backlash jr.eff mm 0.032 0.005
60 6. Internal fit minor diameters Symbol Unit Shaft Hub
61 Fit - Tolerances -- -- a11 H11
62 Nominal root - | tip diameter df1/da2 mm 45.400 -46.000
63 Basic tolerance TG mm 0.156 0.156
64 Upper deviation Ae mm -0.320 0.156
65 Lower deviation Ai mm -0.476 0.000
66 Upper root - | tip diameter dfe1,dae2 mm 45.080 -46.156
67 Lower root - | tip diameter dfi1,dai2 mm 44.924 -46.000
68 7. External fit major diameters Symbol Unit Shaft Hub
69 Fit - Tolerances -- -- h11 H11
70 Nominal tip -|root diameter da1/df2 mm 49.600 -50.400
71 Basic tolerance TG mm 0.156 0.156
72 Upper deviation Ae mm 0.000 0.156
73 Lower deviation Ai mm -0.156 0.000
74 Upper diameter dae1,dfe2 mm 49.600 -50.556
75 Lower diameter dai1,dfi2 mm 49.444 -50.400