TOS TRENS SN71C

SN 71 C is universal centre 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.

Most important features:
•Easy maintenance
•Long lifetime
•Low operating costs
•Easy and ergonomic control
•High turning precision
•Various versions with wide range of optional accessories

Working range :
Max. swing over bed mm 710
Max. swing over cross slide mm 420
Max. swing in bed gap mm 960
Bed gap width mm 300
Distance between centers mm 1500, 2000, 3000, 4000
Height of centers mm 355
Bed width mm 450

Main spindle :
Spindle nose DIN (ISO702-III) B8
Spindle nose Camlock (ISO702-II) D8*
Internal spindle taper METRIC 80
Spindle bore mm 73,5
Spindle diameter in front bearing mm 110
Min. spindle speed min -1 10
Max. spindle speed min -1 1000
Number of gears 16

Spindle drive :
Main motor output kW 7,5
Max. torque Nm 20
Limit speed for max. torque min -1 2400

Carriages :
X-axis
Working range of cross feed mm.rev -1 0,025-3,2
Cross rapid traverse mm.min -1 1500
Working travel mm 400
Tool slide working travel mm 180
Z-axis
Working range of longitudinal feed mm.rev -1 0,05-6,4
Longitudinal rapid traverse mm.min -1 3000
Working travel mm depends on clamping device

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

Quick change toolpost MultiSuisse C*
Max. tool size mm 32×32*

Tailstock :
Tailstock sleeve internal taper MORSE 5
Tailstock sleeve diameter mm 90
Tailstock sleeve travel mm 240
Tailstock control mm
Tailstock control manual/mechanical*
Cross resetting mm ±10

Threads :
Metric threads
– number 29
– pitch mm 0,5-40
Whitworth threads
– number 38
– pitch záv./1″ 1-80
Modular threads
– number 26
– pitch mm 0,25-20
Diametral Pitch threads
– number 31
– number of DP threads 2-72

Machine dimensions :
Height mm 1560
Width mm 1130/1445*
Length/Weight :
750 mm / kg
1000 mm / kg
1500 mm / kg 3445 / 2960
2000 mm / kg 3945 / 3080
3000 mm / kg 4945 / 3330
4000 mm / kg 5945 / 3580
6000 mm / kg
8000 mm / kg

Weight (without optional accessories)