Re: Will a gear always mate with itself?


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Posted by tom on January 26, 2012 at 15:54:16:

In Reply to: Re: Will a gear always mate with itself? posted by northerngearcutter on January 26, 2012 at 15:02:19:

If you know the correct distance between the gears, you have to add the distance of the new gear
example:
Gear you Z15: Z25 helix15 dp5 =(5.08)
Z15 = 5,08:15cos= 5,2592 xz15= 78.888 pitch diameter
Z25 = 5,08:15cos= 5,2592 xz25= 131,480 pitch diameter
78,888+131.480 = 210.368:2=105.184 mm centre distance
example:
Gear to be added z12
5,08:15cos= 5,2592 xz12= 63.11 pitch diameter

distance z15 and z12 78.888+63.11=141.998/2 =70.999 centre distance z15 and z12

distamce 12 and z25 131.480+63.11=194.59 /2=97.295 centre distance z12 and z25

I think it's so...I have something wrong, Bill ? :-)
regard tom





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