Page:Practical Treatise on Milling and Milling Machines.djvu/246

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TABLE OF LEADS, 12.272″ TO 14.322″

	DRIVEN	DRIVER	DRIVEN	DRIVER
LEAD IN INCHES	GEAR ON WORM	1ST GEAR ON STUD	2nd GEAR ON STUD	GEAR ON SCREW
12.272	72	44	48	64
12.277	100	56	44	64
12.286	86	28	40	100
12.286	86	40	32	56
12.318	86	48	44	64
12.343	72	28	48	100
12.375	72	40	44	64
12.403	64	24	40	86
12.444	64	40	56	72
12.468	64	28	24	44
12.468	64	44	48	56
12.500	40	24	24	32
12.500	48	24	40	64
12.500	56	28	40	64
12.500	100	40	24	48
12.500	100	40	28	56
12.500	100	40	32	64
12.542	86	40	28	48
12.508	86	44	64	100
12.558	72	32	48	86
12.571	64	40	44	56
12.572	44	28	32	40
12.600	72	32	56	100
12.627	100	44	40	72
12.686	100	44	48	86
12.698	64	28	40	72
12.727	64	32	28	44
12.728	56	24	24	44
12.728	48	24	28	44
12.732	100	48	44	72
12.758	64	28	48	86
12.791	100	40	44	86
12.798	86	48	40	56
12.800	64	28	56	100
12.800	64	24	48	100
12.834	56	40	44	48
12.834	44	24	28	40
12.857	72	28	32	64
12.857	72	24	24	56
12.858	48	28	24	32
12.900	86	32	48	100
12.900	86	48	72	100
12.963	56	24	40	72
12.987	100	44	32	56
13.020	100	48	40	64
13.024	56	24	48	86
13.024	64	32	56	86
13.030	86	44	32	48
13.030	86	44	48	72
13.062	64	28	32	56
13.082	100	64	72	86
13.090	72	40	32	44
13.096	44	28	40	48
13.096	44	24	40	56
13.125	72	32	28	48
13.125	72	24	28	64
13.125	56	32	48	64
13.125	72	48	56	64
13.139	86	40	44	72
13.157	72	28	44	86
13.163	86	28	24	56
13.200	72	24	44	100
13.258	100	44	28	48
13.289	100	28	32	86
13.289	100	56	64	86
13.333	64	24	24	48
13.333	64	24	28	56
13.333	56	28	32	48
13.333	56	28	48	72
13.333	64	32	48	72
13.393	100	56	48	64
13.393	100	28	24	64
13.393	100	32	24	56
13.396	72	40	64	86
13.437	86	32	28	56
13,438	86	24	24	64
13.438	86	32	24	48
13.469	48	28	44	56
13.500	72	32	24	40
13.500	72	40	48	64
13.514	86	28	44	100
13.566	100	24	28	86
13.566	100	48	56	86
13.611	56	24	28	48
13.636	48	32	40	44
13.636	100	40	24	44
13.636	72	44	40	48
13.643	64	24	44	86
13.650	86	28	32	72
13.650	86	56	64	72
13.672	100	32	28	64
13.672	100	32	28	64
13.682	86	40	28	44
13.713	64	40	48	56
13.715	64	28	24	40
13.715	48	28	32	40
13.750	44	24	24	32
13.750	48	24	44	64
13.750	48	24	44	64
13.760	86	40	64	100
13.889	100	24	24	72
13.933	86	48	56	72
13.935	86	24	28	72
13.953	72	24	40	86
13.953	100	40	48	86
13.960	86	44	40	56
13.968	64	28	44	72
14.000	56	24	24	40
14.000	48	24	28	40
14.000	64	32	28	40
14.025	72	44	48	56
14.026	72	28	24	44
14.063	72	32	40	64
14.071	86	44	72	100
14.078	86	48	44	56
14.142	72	40	44	56
14.204	100	44	40	64
14.260	56	24	44	72
14.286	40	24	24	28
14.286	48	24	40	56
14.286	64	32	40	56
14.286	100	40	32	56
14.318	72	52	28	44
14.319	72	44	56	64
14.322	100	48	44	64