Grizzly G0516 instruction manual Understanding Gear Charts, 100

Understanding

Gear Charts

The Model G0516 can be geared for a variety of different feed rates, so charts are placed on the drive cover of the lathe that explain how to set up the gear combinations for each type of carriage feed application. These applications are broken into two categories of charts—turning and thread- ing.

Turning Chart—The speeds given on the turning chart represent standard speeds for most types of turning applications. See Figure 26.

		0.005" 0.010"
C	B	35 80	50 80
D	E	90 30	66 30
	F	100	100

Figure 26. Turning chart.

Threading Charts—By arranging the gears as shown on the charts, you can set up the carriage feed to cut any of the thread pitches displayed. See Figure 27.

1"⁄n		8	9	10	11	12	14
	B	80	90	70	70	70	70
D E		75 40	60 40	72 40	72 40	72	60 40
F		50	45	60	66	40	70
1"⁄n		16	18	20	24	32	40
	B	70	70	70	70	70	70
D E		60 40	60 80	60 80	50 40	45 80	30 40
F		80	45	50	100	60	100
mm		0.4	0.5	0.6	0.7	0.8	1
C B		68 80	68 80	68 80	68 40	68 80	68 80
D E		72 30	72 35	72 45	72 35	72 48	60
	F	75	70	75	100	60	72
mm		1.25	1.5	1.75	2	2.5	3
C B		68 80	68 80	68 80	68 80	68 80	68 80
D E		72 60	72 60	72 70	72 70	72 75	72 90
	F	48	40	40	35	30	30

Figure 27. Threading charts.

G0516 Lathe/Mill -25-