Grizzly G9249 owner manual Edhidc

thread charts

8.The thread dial is unnecessary for cutting metric threads. Leave the half nut engaged until the threads are complete.

9.Set the tool tip perpendicular to the workpiece, center it vertically, and line up the tool for the initial cut.

NOTICE

DO NOT engage the half-nut when the spin- dle speed is over 200 RPM. Disregarding this notice may cause damage to the leadscrew or carriage components.

10.Turn ON the spindle and engage the half nut according to the thread dial to cut your threads.

	METRIC THREAD TABLE
mm	127		40	127		40127		30
		120		120			120
			40			32		32
A	1	4	6	1		6	1	4
	6	4.8	4	7.5		5	4.5
B	3	2.4	2	3.75		2.5	2.25	1.8
C	1.5	1.2	1			1.25		0.9
D	0.75	0.6	0.5					0.45
E		0.3	0.25
	INCH THREAD TABLE
	T.P.I.	A	B		C		D	E
127	32	13/4	111/2		23		46	92
	46
127	32	33/4	71/2		15		30	60
	30

Figure 60. Metric and additional inch thread

chart.

	)%I	EDH>I>DC				&
									-I#E#>#
		6 7 8 9 : A	1	2	3	4	5	6	7	8
&'%I	&',I		)	)1$2 )3$4		*	*1$2	+	+1$2 ,
		B	-	. .1$2		&%	&&	&'	&(	&)
		C &+		&-	&.	'%	''	')	'+	'-
		D ('		(+	(-	)%	))	)-	*'	*+
	)%I	E	+)	,'	,+	-%	--	.+	&%) &&'

Figure 61. Inch thread chart.

G9249  12" x 37" Belt Drive Gap Bed Lathe -41-