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  1. AuWing

    Gearing Crash Course

    Occupant, Your previous info was very helpful. And A big Thank You.
  2. AuWing

    Gearing Crash Course

    mfgenggear Soooooooooooo; You can not answer the question? Nor could you answer your own question. You are correct I am not a gear person. And judging by your answer you are not much of a people person. If you would read everything I posted, You would see that I did not pose the original...
  3. AuWing

    Gearing Crash Course

    mfgenggear The company I work for is the manufacturer (now) the original OEM is out of business. We will machine the parts complete less the gear teeth. We send it out to have the teeth cut. The company that cuts the teeth asked the question, Are these gears cut with a Transverse Hob or a...
  4. AuWing

    Gearing Crash Course

    Occupant, I assume Z= Number of Teeth. And the 307 number is just a mistype. The center distance is a set distance from the gearbox drawing. Which in part lead me to my answer. First I want to say Thank You. Using the information you gave me, some old DOS program and Inventor 14, I think I...
  5. AuWing

    Gearing Crash Course

    The center distance is (Gear PD 35.6667"+ Pinion PD 6.3334")/2 or 21.000" Hate to sound stupid, what do Z1 and Z2 stand for?
  6. AuWing

    Gearing Crash Course

    I thought the 20deg was the pressure angle. And was assuming it was a 15deg helix angle. Am I wrong in my thinking?
  7. AuWing

    Gearing Crash Course

    The person who did our gearing quit. Now I have to solve what should be a simple problem, but I am stuck. First I am working off a drawing from 1956. What I know. Gear: 3DP, 107 Teeth, 35.66" P.D., L.H. Helical, 20deg Involute- Full Depth Pinion: 3DP, 19 Teeth, 6.33"P.D., R.H. Helical, 20deg...

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