Bevel Gears

Bevel_Gears.xls Production gears must be designed using AGMA sta By Alex Jacobs 1/24/02, modified 2/20/2003 by Al Be consistant with units! (in, lb or N, m or N, Inputs Number of Teeth, subject gear, N 24 Number of Teeth, mating gear, Nm 48 Pitch diameter of subject gear, D (inc 1 Face Width, subject gear, F (inches) 0.25 Torque, subject gear, T (in-lbs) 42 AGMA Geometry Factor (from chart), J 0.25 Stress Outputs AGMA Bending Stress (psi) 32256 Shear of the tooth (F/A) (psi) 5780 Tooth Bending Stress (psi) 41269 Tooth Bending Stress/AGMA Stress 1.2794 Geometry Outputs Pitch, P 24 Pitch Angle (Subject), G 0.464 Pitch Angle (Mating), gam 1.107 Gear Ratio 0.500 Cone Distance, Ao 1.118 Tangential Force at large end of tooth 84.00 Tangential Force at Middle of Face 94.57 Tooth Thickness, Large End, tt 0.065 Diameter@Small end of tooth 0.776 Tooth Thickness, Small End, tts 0.051 Circular Pitch, p 0.131 Chordal area, Ac 0.015 Moment of Intertia, I 4.16E-06 Distance Nuetral axis to outer fiber, 0.033 Back Cone Radius, Rb 0.559 Tredgold "Spur Gear" Tooth Shape Approximation Number of Teeth on imaginary gear, N' 26.833 Pitch Diameter of imaginary gear, D' 1.1180 Diametrical Pitch of imaginary gear, P 24.000 Addendum, a (inches) 0.0417 Dedendum, b (inches) 0.0521 Clearance, cr (inches) 0.0103 Tooth Height (inches) (Not used) 0.0938 Spreadsheet to estimate bevel gear tooth strength Enter numbers in BOLD, results in RED

Upload
thulasikrishna
Category

Documents
view
85
download
11

Embed Size (px):

description

from mit open source

Transcript of Bevel Gears

Bevel_Gears.xls

Production gears must be designed using AGMA standardsBy Alex Jacobs 1/24/02, modified 2/20/2003 by Alex Slocum

Be consistant with units! (in, lb or N, m or N, mm)InputsNumber of Teeth, subject gear, N 24Number of Teeth, mating gear, Nm 48Pitch diameter of subject gear, D (inches) 1Face Width, subject gear, F (inches) 0.25Torque, subject gear, T (in-lbs) 42AGMA Geometry Factor (from chart), J 0.25Stress OutputsAGMA Bending Stress (psi) 32256Shear of the tooth (F/A) (psi) 5780Tooth Bending Stress (psi) 41269Tooth Bending Stress/AGMA Stress 1.2794Geometry OutputsPitch, P 24Pitch Angle (Subject), G 0.464Pitch Angle (Mating), gam 1.107Gear Ratio 0.500Cone Distance, Ao 1.118Tangential Force at large end of tooth, Wto 84.00Tangential Force at Middle of Face 94.57Tooth Thickness, Large End, tt 0.065Diameter@Small end of tooth 0.776Tooth Thickness, Small End, tts 0.051Circular Pitch, p 0.131Chordal area, Ac 0.015Moment of Intertia, I 4.16E-06Distance Nuetral axis to outer fiber, cc 0.033Back Cone Radius, Rb 0.559Tredgold "Spur Gear" Tooth Shape ApproximationNumber of Teeth on imaginary gear, N' 26.833Pitch Diameter of imaginary gear, D' 1.1180Diametrical Pitch of imaginary gear, P' 24.000Addendum, a (inches) 0.0417Dedendum, b (inches) 0.0521Clearance, cr (inches) 0.0103Tooth Height (inches) (Not used) 0.0938

Spreadsheet to estimate bevel gear tooth strength

Enter numbers in BOLD, results in RED