Engineering Design Data Sheets
9
June 2008 Page 1 Data Sheets: Bevel Gears Use W without (*) for stress analysis Strength : Bending: Contact Strength: Z N Y Y Y FP FP B B FP H H θ σ σ σ \ \ : strength corrected The 2 grade for MPa 24 . 41 0.33 1 grade for MPa 48 . 14 3 . 0 = + = + = Z H N Y Y C Z HP B B HP H H θ σ σ σ \ HP \ strength contact corrected The 2 grade for MPA 86 . 203 2.51 1 grade for MPa 89 . 162 35 . 2 = + = + = H s v t K K K K bmJ W 0 = σ xc H s o v I bd W p c C K K K K C p t = σ
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Engineering Design
Transcript of Engineering Design Data Sheets
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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=
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June 2008 Page 2
J-Factor
I-Factor
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June 2008 Page 3
Helical Gears
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June 2008 Page 4
ap = ag = mn and = t
Strength:
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June 2008 Page 5
Worm Gearing:
Note that: dg = = dG
Bearings
a
FF
LL
=
12
21 a
LLFF
1
2
112
=
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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
=
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June 2008 Page 7
Uniform pressure
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June 2008 Page 8
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June 2008 Page 9
