Normal Engines Lathes

The machine tools of Sn – 1250, Sn – 1400, SN – 1600 and SN – 1800 types are engine lathes wich may perform the fallowing machinings :

outer turning
inner turning
front side turning
inner and outer theading
taper turning on the whole working length
outer grinding by means of the grinding attachement
milling by means of the milling attachement

Specifications

DENOMINATION	Ref.	Unit.	S. N.				S.N.M.
DENOMINATION	Ref.	Unit.	1250	1400	1600	1800	2000	2200	2500
CAPACITY
Maximum swing – over bed - over slide	A	mm	1260	1390	1530	1780	2000	2200	2500
Maximum swing – over bed - over slide	B	mm	970	1100	1300	1450	1650	1850	2150
Maximum turning diameter of steady rest	C	mm	900				1200	1400	1600
Receplate diameter	D	mm	1250	1400	1600	1800	1800	2000	2200
Height of centers	E	mm	630	700	800	900	1000	1100	1250
Bed width	F	mm	1150				1700
Bed height	G	mm	600				600
Distance between centers (DBC)	H	mm	From 1m to 18m, meter by meter				From 3m to 12m, meter by meter
Center load	-	to	16, 20, 25				25
HEADSTOCK
Main spindle speed range number	-	no	4				4
Speed range of the main spindle provided with crown gears	-	RPM	1.5 – 3000 or 2.25 – 4000				0.8 – 160
Speed range of the main spindle when the faceplate is provided with crown gear	-	RPM	0,8 – 160 or 1,2 – 240				150
Main spindle bore	I	mm	81				A1 – 15 ”
Main spindle cone – outer cone - inner cone	-	-	M 100				160 width sub M 100
Main spindle cone – outer cone - inner cone	-	-	A1 15”				160 width sub M 100
Main drive engine power	-	kw	60 – 75				75
SLIDES
Longitudinal feed	-	mm / min	0.4 – 480				0.4 – 480
Traversal feed	-	mm / min	0.2 – 240				0.2 – 240
Intermediate slide feed	-	mm / min	0.15 – 180				0.15 – 1800
Intermediate slide travel	J	mm	500				500
Cross slide travel	K	mm	520				520
Tool holder travel	L	mm	175			235	235
Maximum sction of the tool whenthe tool holder is provided - with bridles - with indexing turret	-	mm	50 X 50				50 X 50
	-	mm	60 X 60				50 X 50
TAILSTOCK
Spindle sleeve diameter / cenetr load	M	mm	240 / 16 ; 260 / 20, 25				260 / 25
Spindle sleeve taper / cenetr load	-	-	M90 / 16 ; M100 / 20,25						M 100
Spindle sleeve travel	N	mm	300				300		300
THREADS AND PITCHES
32 Metric threads	-	mm	1 – 30				1 – 30
32 Whiworth	-	h	30 – 1				30 – 1
Lead screw pitch	-	mm	12				12
OVERALL DIMENSIONS
Height	-	mm	1850	2000			2650	2850	3100
Width	O	mm	2240					2900	2900
Length	-	mm	H + 3270				H+ 3270	H+ 3270	H+ 3270