Find the circular tooth thickness.

1. Preliminary design calculations have suggested that design objectives may be met by a straight spur gearset using standard full-depth 2 -pitch involute gear teeth, and a 21-tooth pinion meshing with a 28-tooth gear. A 25 pressure angle has been selected for this application, and the gear teeth are to be shaved to AGMA quality number . Find the following:

a. Addendum.

b. Dedendum.

c. Clearance.

d. Circular pitch.

e. Circular tooth thickness.

f. Base pitch .

g. Length of action.

h. Profile contact ratio.

i. Module 15-27. Repeat problem 15-26, except for a 20 pressure angle.

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