X Y coordinates of an involute based on given circle

input circle RADIUS 41 NOTE RADIUS

input angle to step through 0.5 RADIANS

step 0.05

now click on the sketch to run

A1 X Y

0 0 0

0.05 0.001707906 0.051217973

0.1 0.013653005 0.204487785

0.15 0.046021302 0.45865871

0.2 0.108896624 0.811818204

0.25 0.212210007 1.261299873

0.3 0.365689656 1.803694596

0.35 0.578811676 2.434864764

0.4 0.860751733 3.149961568 Optional calcs

0.45 1.22033786 3.943445301

0.5 1.666004563 4.809108579 no. of teeth 22

module 5.5

NPA 21 0.366519143

HA 15 0.261799388

add mod coeff. 0.2

PA trans 21.67313474

ref circle 125.2684178

BCD 116.4126721

cutter pitch circle 147.2684178

virtual ref circle 134.2622856

virtual cutter pitch circle156.2622856

Email me if you want this program

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