Number of TeethPitch Pressure Angle Length (Lg) internal part runout (Coi) external part runout (Coe) Tolerance Class Fit Class Spline Type external Spline Type internal English Metric 25 25 24/48 45 45 1 25.4 0.0005 0.0127 0.001 0.0254 5 5 h Fillet Root Fillet Root Standard Internal Involute spline data Number of Teeth Diametral pitch Pressure angle Base diameter Pitch diameter Major diameter (Max) Major diameter (Min) Form diameter Minor diameter (max) Minor diameter (min) Circular space width Min effective Max effective Max actual Min actual Max measurement between two pins Pin diameter Effective fit Nominal fit Class English 25 24 45 0.7366 1.0417 1.0917 1.0210 1.0167 0.073783 0.076458 0.941969 0.072 English 0 0 13589 .0083 25 1.4583 27.7089 26.0320 Metric 0 0 0 0.7366 1.8741 0.9420 23.1716308 0.7089 26.8288 English 0 0.0737832 1.5167 27.8061 1.4583 27.9260 1.9331 25.0790 1.7283 25.4069 25.8741 1.7594 2.8233 1.0711082 1.0583 45 18.0417 1.5 Metric 25 1.0833 1.00535 External Involute spline data Number of Teeth Diametral pitch Pressure angle Base diameter Pitch diameter Major diameter (Max) Major diameter (Min) Form diameter Minor diameter (max) Minor diameter (min) Circular tooth thickness Max effective Min effective Min actual Max actual Min measurement between two pins Pin diameter English Metric 25 24 45 0.0583 45 18.08 29.6117 0. . internal splines Minimum fillet radius.004167 0 1.75 20 20 18.5 18.106842 Major diameter of internal splines .75 12.25 16 16 14 14 12.5 12.001 5 h Fillet Root Fillet Root Pitch 2.5 13.25 pitch 2.25 18.0005 0.010417 0.5 10. side fit minor diameter tolerance.5 10. internal side fit 1.041667 0.5 16.5 11 Pitch Fβ Ffp Ffm λ Fp m Tdee Tdii rfe rfi Cf es D Db Drl ∆Dri Dfi Dri max 24 4 2.8125 -4. fillet root splines Minimum fillet radius.73657 Di min 1.004243 Pitch Diameter Base Diameter major diameter tolerance.75 43.091667 Form Diameter.75 14.75 12.5/5 3/6 4/8 5/10 6/12 8/16 10/20 12/24 16/32 20/40 24/48 48/96 64/128 80/160 128/256 λ 28.75 28.016667 Minimum Minor diameter internal splines m 18.5 3 4 5 6 8 10 12 16 20 24 48 64 80 128 Pitch Max allowable lead variation Max allowable positive profile variation Max allowable negative profile variation variation allowance Total index variation machining variation major diameter tolerance.010417 0.75 23.Number of Teeth Pitch Pressure Angle Length (Lg) internal part runout (Coi) external part runout (Coe) Tolerance Class Fit Class Spline Type external Spline Type internal 25 24/48 45 1 0. fillet root splines Form clearance minimum effective clearance 0.75 13.22168 0. side fit 0.75 12.75 16.22168 43.75 23.002675 change in root diameter for total tolerance 1.5 12.71 12.71 14 13.75 10.75 14. 071108 Minimum actual tooth thickness Maximum actual tooth thickness 1.265814 φe 47.993158 Minor Diameter of external splines 0.002675 change in root diameter for total tolerance dimension between two pins for maximum actual space width inv φd 0.072 pin diameter inv φi 0.214602 inverse of pressure angle de 0.020989 Maximum Minor diameter internal splines 1 Tolerance class multiliper 0.008333 Form Diameter of external splines 0.Di max f Sv min S max Tv max T min Do max Do min D fe D re ∆Dre 1.941969 dimension over two pins for minimum actual tooth thickness inv φd 0.53209 Mi 0.214602 inverse of pressure angle di 0.076458 Maximum actual space width Minimum actual space width 0.08 pin diameter inv φe 0.083333 Maximum Major diameter external splines 1.190251 φi 43.079011 Minimum Major diameter external splines 1.66913 Me 1.073783 Maximum Effective tooth thickness Minimum effective tooth thickness 0.171631 .073783 minimum effective space width Maximum effective space width 0. 0599x2 .2.Tolerance Class 4 0.4 7 2 Lamda y = 0.081 R² = 0.9765 30 Lamda 25 20 15 10 5 Calculating lamda Poly.192x + 31. (Calculating lamda) .77 5 1 35 6 1. 5 0 Pitch . 9066 .128 731. 831983 0.759778 0.84E-07 3.60146 6.831984 0.005923 0.922389 0.902556 x-f(x)/f'(x) 1.101479 0.759778 f(x) -0.831983 0.775114 0.5 1.759779 0.832419 0.336807 1.5/5 3/6 4/8 5/10 6/12 8/16 10/20 12/24 16/32 20/40 24/48 48/96 64/128 80/160 128/256 tolerace class Fit Class spline typepressure angle 4d Flat root 30 5e Fillet Root 37.005923 0.014275 0.852608 0.759778 0.16746 2.959696 0.759779 0.5 6f 45 7h n x 1 2 3 4 5 6 7 8 9 10 0.904225 0.069424 2.336807 1.178754 17.846843 0.069349 0.759778 n x 1 2 3 4 5 6 7 8 9 10 0.000417 3.381711 0.775114 0.185208 1.235513 1.Pitch 2.902556 0.309509 0.4 1.185208 1.902558 0.759778 0.760239 0.760239 0.852608 0.489721 1.08816 0.27E-13 0 f'(x) 0.831983 .668352 1. 205158 1.832419 0.000526 4.235513 1.23656 3.298446 8.069349 0.21951 1.20516 1.f(x) -0.831983 .52E-13 0 0 f'(x) 0.205158 1.831983 0.846843 0.489046 0.368614 0.279409 1.018454 0.922389 0.831984 0.59E-07 3.831983 0.13159 0.831983 0.205158 x-f(x)/f'(x) 1.327737 1.207269 1.741853 1.