June 2008 Page 1

Data Sheets:

Bevel Gears

Use W without (*) for stress analysis

Strength :

Bending:

Contact Strength:

Z

NYY

YFPFP

B

BFPH

H

\

\

:strength corrected The2 gradefor MPa 24.410.33 1 gradefor MPa 48.143.0

=

+=

+=

Z

HNYYCZ

HP

B

BHPHH

\HP

\

strengthcontact corrected The2 gradefor MPA 86.2032.51

1 gradefor MPa 89.16235.2

=

+=

+=

Hsvt KKKK

bmJW

0=

xcHsovIbdW

pc CKKKKCp

t=

June 2008 Page 2

J-Factor

I-Factor

June 2008 Page 3

Helical Gears

June 2008 Page 4

ap = ag = mn and = t

Strength:

June 2008 Page 5

Worm Gearing:

Note that: dg = = dG

Bearings

a

FF

LL

=

12

21 a

LLFF

1

2

112

=

June 2008 Page 6

Take LR = 500 hours, and nR = 100/3 rpm

Clutches:

Uniform Wear theory:

Uniform pressure theory:

Disk Brakes: Uniform Wear

a

R

D

R

DeqAR

n

n

LLFkC

/1

=

June 2008 Page 7

Uniform pressure

June 2008 Page 8

June 2008 Page 9