Universal center lathes Trens

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Manual lathes in several models with
Turning diameter from 330 mm to 800 mm
Turning length from 750 mm to 8000 mm

TRENS TURNING MACHINES TECHNICAL DATA

Machine	Unit	SN32	SN50C	SN71C	SN500SA	SN710S	SUI80
Working range
Max. swing over bed	mm	330	500	710	505	720	800
Max. swing over cross slide	mm	168	270	420	270	430	520
Max. swing in bed gap	mm	520	700	960	700	960	870
Bed gap width	mm	230	230	300	230	300	320
Distance between centers	mm	750, 1000	1000,1500, 2000	1500, 2000, 3000, 4000	1000, 1500, 2000	1500, 2000, 3000, 4000	1500, 2000, 3000, 4000, 6000, 8000
Height of centers	mm	160	250	355	250	355	395
Bed width	mm	340	340	450	340	450	550

Main spindle
Spindle nose DIN (ISO702-III)		B6	B6	B8	B8/B11*	B8/B11*	B11
Spindle nose Camlock (ISO702-II)		D6*	D6*	D8*	D8/D11	D8/D11	D11*
Internal spindle taper		MORSE 6	MORSE 6	METRIC 80	METRIC 90/110*	METRIC 90/115/-	METRIC 100
Spindle bore	mm	52	52	73,5	77/105*	77/105/130	92
Spindle diameter in front bearing	mm	80	80	110	110/140*	110/140/170	140
Min. spindle speed	min ^-1	14	22	10	12,5	10/12,5*	14
Max. spindle speed	min ^-1	2500	2000	1000	2000/1600*	1600/1250*	1400
Number of gears		16	24	16	18	18	17

Spindle drive
Main motor output	kW	4	5,5	7,5	7,5	7,5/11*	15/18,5*
Max. torque	Nm	40	45	20	50	40/50*	45
Limit speed for max. torque	min ^-1	1000	1200	2400	1450	1650/2000*	3200

Carriages
X-axis
Working range of cross feed	mm.rev ^-1	0,12-1,6	0,025-3,2	0,025-3,2	0,025-3,2	0,025-3,2	0,03-6,5
Cross rapid traverse	mm.min ^-1	without rapid traverse	1500	1500	1500	1500	2400
Working travel	mm	250	300	400	300	400	440
Tool slide working travel	mm	140	140	180	140	180	195
Z-axis
Working range of longitudinal feed	mm.rev ^-1	0,025-3,2	0,05-6,4	0,05-6,4	0,05-6,4	0,05-6,4	0,06-13
Longitudinal rapid traverse	mm.min ^-1	without rapid traverse	3000	3000	3000	3000	4800
Working travel	mm	depends on clamping device	depends on clamping device	depends on clamping device	depends on clamping device	depends on clamping device	depends on clamping device

Toolposts
Standard toolpost		4-way toolpost	4-way toolpost	4-way toolpost	4-way toolpost	4-way toolpost	4-way toolpost
Max. tool size	mm	20×20	32×32	40×40	32×32	40×40	40×40

Quick change toolpost		MultiSuisse B*	MultiSuisse C*	MultiSuisse C*	MultiSuisse C*	MultiSuisse C*	MultiSuisse D*
Max. tool size	mm	20×20*	32×32*	32×32*	32×32*	32×32*	40×40

Tailstock
Tailstock sleeve internal taper			MORSE 5	MORSE 5	MORSE 5	MORSE 5	MORSE 6
Tailstock sleeve diameter	mm	70	70	90	80	100	110/120*
Tailstock sleeve travel	mm	180	180	240	180	240	210
Tailstock control	mm
Tailstock control		manual	manual	manual/ mechanical*	manual	manual/ tailstock tow*	manual/ mechanical*
Cross resetting	mm	±12	±12	±10	±12	±10	±10

Threads
Metric threads
– number		26	29	29	29	29	43
– pitch	mm	0,25-20	0,5-40	0,5-40	0,5-40	0,5-40	0,5-160
Whitworth threads
– number		38	38	38	38	38	40
– pitch	záv./1″	2-160	1-80	1-80	1-80	1-80	1/8-40
Modular threads
– number		21	26	26	26	26	36
– pitch	mm	0,125-10	0,25-20	0,25-20	0,25-20	0,25-20	0,25-48
Diametral Pitch threads
– number		32	31	31	31	31	42
– number of DP threads		4-160	2-72	2-72	2-72	2-72	3/8-80

Machine dimensions
Height	mm	1445	1500	1560	1525	1635	1700
Width	mm	1010	1100	1130/1445*	1100	1275	1570
Length/Weight
750	mm / kg	2615 / 1540
1000	mm / kg	2640 / 1620	2640 / 1735		2595 / 2300
1500	mm / kg		3140 / 1835	3445 / 2960	3095 / 2400	3515 / 3090	3560 / 5180
2000	mm / kg		3640 / 1940	3945 / 3080	3595 / 2600	4015 / 3250	4060 / 5440
3000	mm / kg			4945 / 3330		5015 / 3620	5060 / 5970
4000	mm / kg			5945 / 3580		6015 / 3890	6060 / 6400
6000	mm / kg						8060 / 7670
8000	mm / kg						10060 / 8630

SN 32

SN32 is universal centre lathe with main motor output of 4 kW. Wide operating speed range and its unique design ensures high stability during material turning. Suitable also for vocational schools.

Most important features:

Small dimensions
Easy maintenance
Long lifetime
Low operating costs
Easy and ergonomic control
High turning precision

CHARACTERISTIC FEATURES:

Important parts of the machine are made of grey cast iron – minimization of generating vibrations throughout machining
Hardened bed guide ways – long lifetime and constant accuracy of machining
Hand scrapping of the important parts – high precision during machining
Bed gap for increasing the swing and delta-shape bed – high resistance against deformation and continuous chip conveyance
Spindle drive through clutches and brake – smooth movement stop
Single lever for four way control of feeds with adjustable feed clutches

MAIN ADVANTAGES:

Easy maintenance
Long lifetime
Low operating costs
Simple and ergonomic control
High turning precision
Possibility to cut all types of threads with wide range of pitches
Wide range of optional accessories – digital read-outs, quick-change tool posts, steady and follow rests, rolling contact bearings for steadies, micrometric stops, taper turning attachments, faceplates and chucks

SN50

SN50C is universal center lathe for professional users designed for piece and small-lot production suitable for maintenance and repair divisions as well. It is customers´ classic with main motor output of 5,5 kW.

SN71C

SN71C is universal center lathe designed for piece and small-lot production for turning workpieces of bigger dimensions. It is suitable for maintenance and repair divisions as well. It has wide range of operational speeds and its unique execution ensures high stability in material machining.

SN500SA

Universal center lathe SN500SA is for piece and small-lot production suitable for maintenance and repair divisions as well. SN 500 SA can be optionally produced in an execution with increased spindle bore of 105 mm.

SN710S

SN710S is universal center lathe designed for piece and small-lot production for turning workpieces of bigger dimensions. It is suitable for maintenance and repair divisions as well.

SUI80

SUI80 is a lathe characterized by tough construction and highly rigid bed which allows its use for most challenging turning operations in piece and small-lot production. Thanks to its versatility it is suitable for maintenance and repair divisions as well.