ŠKODA SR 4000 – Year 2020
CNC Heavy-Duty Lathe 18 Meters

Mechanical part – essential technical data
Diameter above transversing slide mm 2 000
Machining diameter above the bed mm 2 500
Height of centers above the bed mm 1 400
Workpiece length max. mm 18,000
Workpiece weight in the centre (without support) max. 70 000

Stand
Frame width mm 3 150
Stand height mm 900
Number of slideways 4 (+ 1 auxiliary)

Faceplate
Faceplate diameter mm 2 000
Numbers of clamping jaws
with low adjusting force (JAKOB MSPD) 4
Spindle diameter at the front support mm 600
Adjustable diameter min. mm 200
max. mm 1 600
Angle at apex 60 deg
Spindle torque max. kNm 140
Spindle speed range at 3 motor steps rpm 1400
Spindle speed electronically limited to 305 rpm for 2 000 mm faceplate diameter
Power for main spindle drive kW 190
(2 motors 95 kW)

Tailstock
Tailstock quill diameter mm 560
Quill extension mm 250
Angle at top deg 60
Travel speed of tailstock on bed mm/min 2 000

Workholding
Number of slides pcs 1
Slideways and cross-slides hydrostatic
Longitudinal working feed rate (Z-axis)
longitudinal working feed rate mm/min 0,01 6 000
feed rate mm/min 6 000
Transverse feed rate (X axis)
cross working range mm/min 0,01 6 000
feed rate mm/min 6 000
Pe