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How can i get a copy of that
Mr. Buckingham wrote this down for us in his related book - might be helpful
View attachment 295447
Cincinnati says this for 51" even - but they are talking 4 TPI table screw
Gear A is 51
Gear B is 24
Gear C is 48
Gear D is 22
And no, I don't know exactly where those four gears fit
Here are some quick shots from instruction side and from around 51"
View attachment 295449View attachment 295450
If it turns out that way, gears for 63.75 lead in these tables do a 51" lead on a 5 pitch table screw, and the gearing for that is
A = 55 teeth
B = 22 Teeth
C = 51 teeth
D = 20 teeth
i wounder how they figured that one it would be interesting to see all the nomenclature
my leed is 51.528 on one and 22.862 on the other
And that converts to 64.41 and 28.5775 on the tables. (just multiply what is needed by 1.25)
64.421 is 51, 20, 48 and 19
28.571 is 48, 21, 30 and 24
were does the 1.25 come from just trying to understand
Cincinnati's tables are based on 10 (.25) times 40
Your 5 tpi mill is based on 8 (.2) times 40
8 times 1.25 is 10
Just a way to be able to use the Cincinnati tables to find gears that work with a 5 tpi milling machine to generate the leads you want
I figured it out what you did thanks for the reply i will still have to make a couple of gears so are you machinist by trade i worked in a job shop for 10yrs ran cnc but now i do refinery machining iam making a gear for a lathe right now i made several spur gears this will be my first attempt on a helical gear i have s an old Cincinnati mill book coming it is from 1951 it might be the same one you mentioned thanks again for the help
Was it tony splean
Could you send me the table leads you got that from i would greatly appreciate it my Email is [email protected]
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