SYMBOL VALUE UNIT TERM

Coarse_Pitch_Involute_20deg Standard
Pdn 2.54 Normal Diametral Pitch
Pd 2.54 Diametral Pitch
10 Normal Modular Pitch
m 10 Modular Pitch
øn 20 deg Normal Pressure Angle
ø 20 deg Pressure Angle
0 deg Helix Angle
mg 0.515 Ratio, 1:x
C 257.003 mm Center Distance
0 mm Center Distance Extension
0 mm Center Distance Backlash
MA 9.155 mm Approach Length
MR 43.051 mm Recess Length
mp 1.46 Contact Ratio
0 Contact Ratio Face
Z 43.115 mm Active Length of Line of Action
Hunting Hunting Determination
0 Hunting Mesh Cycle
1 Hunting Common Factors
0.0cpm Hunting Tooth Frequency

******* Pinion Data SpurGear1

Np 17 Number of Teeth
Dp 170 mm Pitch Diameter
Dpn 170 mm Pitch Diameter, Normal
do 197.76 mm Major Diameter
dr 152.76 mm Minor Diameter
a 13.88 mm Addendum
b 8.62 mm Dedendum
x 0.388 Addendum Modification Coefficient
3.88 mm Addendum Modification
db 159.748 mm Base Diameter
dbn 159.748 mm Base Diameter, Normal
TIF 160.907 mm True Involute Form Diameter
ht 22.5 mm Whole Depth
p 31.416 mm Circular Pitch
pn 31.416 mm Circular Pitch, Normal
3 mm Fillet Radius
B 0.5 mm Backlash
t 18.0324 mm Tooth Thickness
tn 18.0324 mm Tooth Thickness, Normal
t 17.6554 mm Tooth Thickness Minimum
F 150 mm Face Width
0 mm Topping Adjustment
0.000mm Tooth Tip Radius
0 mm Hob Protuberance
Chordal Tooth Thickness
14.358 mm Chordal Tooth Height
170 mm Chordal Tooth Reference Circle
17.9986 mm Chordal Tooth Thickness
17.6237 mm Chordal Tooth Thickness Minimum
Size Over Pins
dw 16.256 mm Pin Diameter
M 194.658 mm Measurement Over Pins
193.872 mm Measurement Over Pins-Minimum
Span Over Teeth
k 3 Number of Teeth to Span Over
78.368 mm Span Measurement
78.014 mm Span Measurement Minimum
Master Gear Test
0 mm Master Pitch Diameter
0 mm Test Radius (Max. Act.)
0 mm Test Radius (Min. Act.)
AGMA-Q7 AGMA Quality Class
0.20828 mm Max Runout
0.04318 mm Pitch Variation
0.06858 mm Profile Tolerance
0 mm Tooth Alignment Tolerance
0.07874 mm Tooth to Tooth Composite Tolerance
0.3048 mm Total Composite Tolerance
0.377 mm Tooth Thickness Tolerance
Roll Angles
25.42 deg Roll Angle at Operating Diameter
32.06 deg Roll Angle at HPSTC
20.63 deg Roll Angle at LPSTC
41.81 deg Roll Angle at Major Diameter
6.91 deg Roll Angle at TIF Diameter
174.762 mm Operating Pitch Diameter
162.604 mm Start of Active Profile
183.056 mm HPSTC
169.792 mm LPSTC
Crowning
 None Type of Crowning
0 mm Crowning Drop
0 mm Crowning Radius
7 Crowning Sketches

******* Gear Data SpurGear2

Np 33 Number of Teeth
Dp 330 mm Pitch Diameter
Dpn 330 mm Pitch Diameter, Normal
do 357.6 mm Major Diameter
dr 312.6 mm Minor Diameter
a 13.8 mm Addendum
b 8.7 mm Dedendum
x 0.38 Addendum Modification Coefficient
3.8 mm Addendum Modification
db 310.099 mm Base Diameter
dbn 310.099 mm Base Diameter, Normal
TIF 318.698 mm True Involute Form Diameter
ht 22.5 mm Whole Depth
p 31.416 mm Circular Pitch
pn 31.416 mm Circular Pitch, Normal
3 mm Fillet Radius
B 0 mm Backlash
t 18.4741 mm Tooth Thickness
tn 18.4741 mm Tooth Thickness, Normal
t 18.0971 mm Tooth Thickness Minimum
F 150 mm Face Width
0 mm Topping Adjustment
0.000mm Tooth Tip Radius
0 mm Hob Protuberance
Chordal Tooth Thickness
14.058 Chordal Tooth Height
330 Chordal Tooth Reference Circle
18.4645 Chordal Tooth Thickness
18.0881 Chordal Tooth Thickness Minimum
Size Over Pins
dw 16.256 mm Pin Diameter
M 356.643 mm Measurement Over Pins
355.785 mm Measurement Over Pins-Minimum
Span Over Teeth
k 5 Number of Teeth to Span Over
140.067 mm Span Measurement
 139.713 mm Span Measurement Minimum
Master Gear Test
0 Master Pitch Diameter
0 mm Test Radius (Max. Act.)
0 mm Test Radius (Min. Act.)
AGMA-Q7 AGMA Quality Class
0.2413 mm Max Runout
0.04826 mm Pitch Variation
0.0762 mm Profile Tolerance
0 mm Tooth Alignment Tolerance
0.07112 mm Tooth to Tooth Composite Tolerance
0.3048 mm Total Composite Tolerance
0.377 mm Tooth Thickness Tolerance
Roll Angles
25.42 deg Roll Angle at Operating Diameter
27.88 deg Roll Angle at HPSTC
22 deg Roll Angle at LPSTC
32.91 deg Roll Angle at Major Diameter
13.59 deg Roll Angle at TIF Diameter
339.243 mm Operating Pitch Diameter
323.419 mm Start of Active Profile
344.867 mm HPSTC
332.165 mm LPSTC
Crowning
None Type of Crowning
0 mm Crowning Drop
0 mm Crowning Radius
7 Crowning Sketches
NAME Pinion Data Unit
Number of Teeth Np 17
Pitch Diameter Dp 170 mm
Major Diameter do 197.76 mm
Minor Diameter dr 152.76 mm
Addendum Modification Coefficient x 0.388
Span Over Teeth
Number of Teeth to Span Over k 3
Span Measurement 78.368 mm
Span Measurement Minimum 78.014 mm