Page:Practical Treatise on Milling and Milling Machines.djvu/248

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TABLE OF LEADS, 16.969″ TO 20.20″

	DRIVEN	DRIVER	DRIVEN	DRIVER
LEAD IN INCHES	GEAR ON WORM	1ST GEAR ON STUD	2nd GEAR ON STUD	GEAR ON SCREW
16.969	64	44	56	48
16.970	64	24	28	44
16.970	56	24	32	44
17.045	100	32	24	44
17.046	100	44	48	64
17.062	86	28	40	72
17.101	86	44	56	64
17.102	86	32	28	44
17.141	64	32	48	56
17.143	64	28	24	32
17.144	48	24	24	28
17.144	72	28	32	48
17.144	72	24	32	56
17.144	72	48	64	56
17.188	100	40	44	64
17.200	86	32	64	100
17.200	86	28	56	100
17.200	86	24	48	100
17.275	86	56	72	64
17.361	100	32	40	72
17.364	64	24	56	86
17.373	86	44	64	72
17.442	100	32	48	86
17.442	100	48	72	86
17.454	64	40	48	44
17.500	48	24	28	32
17.500	72	24	28	48
17.500	56	24	48	64
17.550	86	28	32	56
17.677	100	44	56	72
17.679	72	32	44	64
17.679	72	28	44	64
17.778	64	24	32	48
17.778	64	24	48	72
17.778	64	28	56	72
17.858	100	24	24	56
17.858	100	28	32	64
17.858	100	28	24	48
17.917	86	24	32	64
17.917	86	24	28	56
17.918	86	24	24	48
17.918	86	32	48	72
17.959	64	28	44	56
18.000	72	24	24	40
18.181	56	28	40	44
18.181	64	32	40	44
18.181	100	40	32	44
18.182	48	24	40	44
18.229	100	32	28	48
18.229	100	24	28	64
18.229	100	48	56	64
18.273	100	28	44	86
18.285	64	28	32	40
18.333	56	28	44	48
18.333	64	32	44	48
18.367	72	28	40	56
18.428	86	28	24	40
18.428	86	40	48	56
18.476	86	32	44	64
18.519	100	24	32	72
18.519	100	48	64	72
18.605	100	40	63	86
18.663	100	64	86	72
18,667	64	24	28	40
18.667	56	24	32	40
18.667	64	40	56	48
18.700	72	44	64	56
18.700	72	28	32	44
18.750	100	32	24	40
18.750	72	24	40	64
18.750	72	32	40	48
18.750	100	40	48	64
18.770	86	28	44	72
18.812	86	40	56	64
18.858	48	28	44	40
18.939	100	44	40	48
19.029	100	44	72	86
19.048	40	24	32	28
19.048	64	24	40	56
19.048	64	28	40	48
19.090	56	32	48	44
19.090	72	44	56	48
19.091	72	24	28	44
19.096	100	32	44	72
19.111	86	40	64	72
19.136	72	28	64	86
19.197	86	32	40	56
19.197	86	28	40	64
19.200	72	24	64	100
19.250	56	32	44	40
19.285	72	32	48	56
19.285	72	28	24	32
19.286	72	28	24	32
19.350	86	32	72	100
19.394	64	24	32	44
19.444	40	24	28	24
19.444	56	24	40	48
19.444	100	40	56	72
19.480	100	28	24	44
19.480	100	44	48	56
19.531	100	32	40	64
19.535	72	24	56	86
19.545	86	24	24	44
19.590	64	28	48	56
19.635	72	40	48	44
19.642	100	40	44	56
19.643	44	28	40	32
19.656	86	28	64	100
19.687	72	32	56	64
19.710	86	40	44	48
19.840	100	28	40	72
19.886	100	44	56	64
19.887	100	32	28	44
19.908	86	24	40	72
19.934	100	28	48	86
20.00	72	24	32	48
20.00	64	24	24	32
20.00	56	24	34	28
20.07	86	24	56	100
20.09	100	56	72	64
20.16	86	32	48	64
20.20	100	44	64	72