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Series S1
Pipe threading lathes Series S1 by SMTCL
Pipe threading lathes Series S1 by SMTCL include models S1-245B, S1-262A, S1-320—reliable and high-precision equipment engineered to efficiently handle both small-batch and mass production tasks. All models share a modern control system, robust construction, and a high degree of automation, while differing in specifications, configuration, peripherals, and optional equipment.
Use the table below to quickly compare key specifications and select the machine that best fits your production requirements.
Specifications
Capability
Outer diameter of pipe
60mm — 219mm
Distance between centers
Headstock
Spindle speed steps ranges
12pcs
Spindle speeds range
8rpm — 306rpm
Spindle bore diameter
240mm
Spindle motor power
18.5kW
Feeds
Range of longitudinal feeds
0.095mm/r — 1.44mm/r — 32pcs
Range of cross feeds
0.095mm/r — 1.44mm/r — 32pcs
Rapid traverse
4000mm/min
Power of rapid feed motors
1.1kW
Threading range
Range of inch threads
1T.P.I. — 14T.P.I.
Range of metric threads
1mm — 15mm
Range of modular threads cutting
0.5module — 7.5module
Range of pitch threads
28D.P. — 2D.P.
Lathe chuck
Chuck size
630mm
Chuck
4-jaws chuck
Clamping type
Hydraulic
Carriage
Tool post
4-station turret toolpost
Axis of revolution
Vertical axis
Swing angle of compound rest
90°
Top slide travel
200mm
Tool shank
32mm x 32mm
Tailstock
Max. travel of tailstock quill
250mm
Tailstock quill diameter
100mm
Taper
MT5
Cutting fluid
Power of coolant pump motor
0.75kW
Engines and power supply
Voltage
380V / 50Hz
Total motor power
24.35kW
Overall dimensions and weight
Overall height
1500mm
Specifications
Capability
Outer diameter of pipe
114mm — 340mm
Distance between centers
Headstock
Spindle speed steps ranges
12pcs
Spindle speeds range
5.6rpm — 254rpm
Spindle bore diameter
355mm
Spindle motor power
18.5kW
Feeds
Range of longitudinal feeds
0.095mm/r — 1.44mm/r — 32pcs
Range of cross feeds
0.095mm/r — 1.44mm/r — 32pcs
Rapid traverse
4000mm/min
Power of rapid feed motors
1.1kW
Threading range
Range of inch threads
1T.P.I. — 14T.P.I.
Range of metric threads
1mm — 15mm
Range of modular threads cutting
0.5module — 7.5module
Range of pitch threads
28D.P. — 2D.P.
Lathe chuck
Chuck size
785mm
Chuck
4-jaws chuck
Clamping type
Hydraulic
Carriage
Tool post
4-station turret toolpost / Vertical
Axis of revolution
Vertical axis
Swing angle of compound rest
90°
Top slide travel
200mm
Tool shank
32mm x 32mm
Tailstock
Max. travel of tailstock quill
250mm
Tailstock quill diameter
100mm
Taper
MT5
Cutting fluid
Power of coolant pump motor
0.75kW
Engines and power supply
Voltage
380V / 50Hz
Total motor power
-
Overall dimensions and weight
Overall height
1620mm
Specifications
Capability
Outer diameter of pipe
219mm — 508mm
Distance between centers
Headstock
Spindle speed steps ranges
12pcs
Spindle speeds range
6rpm — 200rpm
Spindle bore diameter
515mm
Spindle motor power
22kW
Feeds
Range of longitudinal feeds
0.1mm/r — 1.5mm/r — 32pcs
Range of cross feeds
0.1mm/r — 1.5mm/r — 32pcs
Rapid traverse
4000mm/min
Power of rapid feed motors
-
Threading range
Range of inch threads
2T.P.I. — 28T.P.I.
Range of metric threads
1mm — 15mm
Range of modular threads cutting
0.5module — 7.5module
Range of pitch threads
56D.P. — 4D.P.
Lathe chuck
Chuck size
1000mm
Chuck
4-jaws chuck
Clamping type
Hydraulic
Carriage
Tool post
4-station turret toolpost
Axis of revolution
Vertical axis
Swing angle of compound rest
90°
Top slide travel
300mm
Tool shank
45mm x 45mm
Tailstock
Max. travel of tailstock quill
800mm
Tailstock quill diameter
160mm
Taper
MT6
Cutting fluid
Power of coolant pump motor
0.75kW
Engines and power supply
Voltage
380V / 50Hz
Total motor power
-
Overall dimensions and weight
Overall height
2230mm