TRENS 28″ Swing, 160″ Between Centers, Model SN710X4000 Lathe

FEATURES:

• Rapid traverse on the cross and longitudinal slides
• Automatic lubrication to carriage slide guideways
• Hardened-precision ground bedways
• All-geared headstock with hardened and ground gears and spline shafts, anti-friction bearings and forced, filtered oil circulation
• Bronze nuts on lead screws
• Pressure relieved tailstock on rollers for easy movement
• Roller bearing spindle with D1-11 camlock spindle nose
• Multi-disc clutch and brake, for forward and reverse control
• Quick change gearbox, completely enclosed, gears running in oil, large number of feeds
• Inch and metric thread cutting
• Gap bed for extra swing and delta-beam section for extreme twist resistance and easy chip disposal
• Single lever four way directional feed control on carriage with adjustable safety feed clutches

STANDARD EQUIPMENT:

Small steady rest, 4.7- 7 dia
Follow rest, 4.7- 7 dia
Halogen work Lamp
Coolant system attachment
Rear splash guard on the carriage
Four way turret toolpost
Chip tray
Driving plate
Two dead centres
Reducing sleeve for spindle
Set of change gears for 11.5, 13 & 27 t.p.i.
Threading dial
Tapper Attahment
Set of service tools
Operation and maintenance instruction manual

SPECIFICATIONS:
mm inch
Working Capacity
Swing – over bed 720 28.35
– over cross slide 430 16.93
– in gap 960 37.79
Distance between centers(1500mm) 1480 58.26
Distance between centers(2000mm) 1980 77.95
Distance between centers(3000mm) 2980 117.32
Distance between centers(4000mm) 3980 156.69
Maximum weight of workpiece 1500 kg 3306 lb.
Width of gap in front of faceplate 380 14.96
Width of bed 450 17.71
Main motor 11 kW 15 hp

Spindle
Bore 105 4.13
Speeds number 18
range r.p.m. 12.5 – 1600
Max. torque 2000 Nm 1474 ft•lb
Taper Metric 115

Carriage
Cross slide travel 400 15.75
Tool slide travel 180 7.09
Number of longitudinal and cross feeds 38
Longitudinal feeds (per revolution) 0.39-4.8 0.0015-0.189
Cross feeds (per revolution) 0.0195-2.4 0.0008-0.094
Threads – 29 metric 0.5-40
– 35 Whitworth 1-80 t.p.i.
Leadscrew – diameter 48 1.89
– pitch 1/4 inch
Rapid traverse – cross (per minute) 1500 59.05
– longitudinal (per minute) 3000 118.11
Max. force in longitudinal direction 12000 N 2645 lb.
Max. force in cross direction 7000 N 1543 lb.
mm inch
Tailstock
Diameter of barrel 90 3.54
Taper Morse Taper 5
Travel of barrel 240 9.44

General Data
Dimensions – length 1500mm 3515 139
– width 1275 51
– height 1615 64
Weight 1500mm- (weight increases 160kg/500mm) 3090 kg 6812 lb.