SHAFTHUBLOCK
CALCULATION REPORT
Order : Dware
Project : ShaftHubLock Demo
Subproject : Gear Box
Project item : Cone connection design
Shaft ID :
Hub element ID :
Calculated by : AndrÚ Dewispelaere
Organization : Dware
Date : 28/05/2018
Mating materials
Element: ID Cl Denomination R_pN R_mN s_WbN A5 HB E nu rho
-------: --- --- -------------- N/mm▓ N/mm▓ N/mm▓ % HB N/mm▓ -- kg/dm│
Shaft : 276 VSN C60E 400 710 340 10 240 210000 0.30 7.85
Hub : 271 VSN C55E 400 680 330 11 240 210000 0.30 7.85
Input design cone connection Symbol Unit Shaft Hub
Calculation on base of -- -- Torque
Nominal torque to transmit T N.m 500.00
Nominal axial force Fa kN 0.000
Application factor KA -- 1.00
Desired contact pressure pF N/mm▓ 0.00
Reference- | outside diameter d | doh mm 60.00 120.00
Inside | reference diameter di | d mm 0.00 60.00
Reference distance | hub length br | LH mm 10.0 54.0
Cone ratio C -- 1/10.000000
Roughness of contact surface Ra Ám 0.800 0.800
Safety factor on plastic flow SF -- 1.00 1.00
Minimum safety factor on slip Srmin -- 1.50
Rotation speed N rpm 500
Surface condition -- -- ungreased
Fastener type -- -- lock nut
Fastener is to determine -- -- yes
Strength class -- -- 8.8
Load classification -- -- uniform
Calculation Symbol Unit Shaft Hub
Cone inclination angle α/2 ░ ' " 2░51'45"
Cone major diameter d1 | d mm 61.000 60.000
Cone minor diameter d2 | d3 mm 55.100 54.600
Length of cone | hub LC | LH mm 59.0 54.0
Hub entry chamfer a mm 0.0 4.0
Free overhang clearance c mm 0.0 5.0
Cone mean diameter DFm mm 57.3
Contact length LF mm 45.0
Area of contact surface AF mm▓ 8111
Transverse stick coefficient νru -- 0.120
Axial stick coefficient νrl -- 0.110
Minimum required contact pressure pFmin N/mm▓ 26.9
Minimum normal force Fnmin kN 218.178
Stress influence factor Q -- 0.000 0.478
Strain influence factor K Ám▓/N 3.333 9.011
Minimum working interference Pomin Ám 19
Interference smoothing G Ám 10
Minimum interference before smooth Pmin Ám 29
Minimum press shift emin mm 0.29
Minimum press force Famin kN 34.9
Maximum press shift emax mm 0.49
Maximum interference Pmax Ám 49
Maximum contact pressure PFmax N/mm▓ 69.0
Maximum normal force Fnmax kN 559.638
Contact pressure limit mating mat pFlim N/mm▓ 172.0
Determined thread M mm M 50x1.5
Diameter of fastener db mm 50.0
Axial force capacity Fab kN 91.5
Maximum spacer width b mm 9.71
Slip torque Tr N.m 750
Safety factor on slip Sru -- 1.50
Slip torque at N rpm TrN N.m 750
Stress at D_Fm for p_Fmax Symbol Unit Shaft Hub
Tangential stress σtF N/mm▓ -69 110
Radial stress σrF N/mm▓ -69 -69
Comparison stress σvF N/mm▓ 69 156
Safety factor on plastic flow SFF -- 5.80 2.56
Str inside min | str outside maj Symbol Unit Shaft Hub
Tangential stress σti,o N/mm▓ -69 46
Radial stress σri,o N/mm▓ -69 0
Comparison stress σvi,o N/mm▓ 69 46
Safety factor on plastic flow SFi,o -- 5.80 8.70
Contraction | expansion Symbol Unit Shaft Hub
Outside - | inside diameter Δdodi Ám -13 36
Inside - | outside diameter Δdido Ám 0 23