SpurGearDesign_Example

# SpurGearDesign_Example - EML 3005: GEAR DESIGN EXAMPLE SPUR...

This preview shows pages 1–3. Sign up to view the full content.

Lbf Wt1 i Torque i 2 Dpitch1 := Calculate Tangential Tooth Load (in-lbf) Torque i 1260.507 3939.085 3893.567 3976.6 3724.226 3501.409 3151.268 1890.761 1260.507 = (lb-ft) Torque i 12 105.042 328.257 324.464 331.383 310.352 291.784 262.606 157.563 105.042 = Inch-lbf Torque i HP i 33000 2 π RPM i 12 := i Hours i 3000 = Base Hours i 250 25 9 250 1447 510 250 9 250 := RPM i 1000 4000 4500 4200 3300 3600 2000 1000 1000 := HP i 20 250 278 265 195 200 100 30 20 := i1N .. := Number of data points in duty cycle N9 := Input Duty Cycle for gear mesh (rpm, hp, torque, hours, etc) Facewidth, Inch Fwidth1 1.5 := Pressure Angle, 20 deg φ 20 π 180 := (pitch dia, in) Dpitch1 3.5 := Gear Ratio Gratio1 1.285 := Prof. Nagaraj K. Arakere University of Florida Input Design Variables for Gear Mesh # 1 SPUR GEAR DESIGN FOR AN AIRCRAFT ENGINE SPEED REDUCER EML 3005: GEAR DESIGN EXAMPLE

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
HPeq 1 205.063 = HPeq 1 2 π RPM j Teq 1 12 33000 := in-lbf Teq 1 3916.421 = Teq 1 i Hours i RPM i Torque i () a1 RPM j i Hours i Hours j 1 a1 := (Log S-N curve exponent for bending loads is 29) a2 29 := (Log S-N curve exponent for contact loads is 9) a1 9 := (Baseline is for cruise condition) j5 :=
This is the end of the preview. Sign up to access the rest of the document.

## This note was uploaded on 05/19/2011 for the course EML 2005 taught by Professor Arakere during the Spring '05 term at University of Florida.

### Page1 / 6

SpurGearDesign_Example - EML 3005: GEAR DESIGN EXAMPLE SPUR...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online