Screw-cutting lathe 16K20, RMC 710–2000 mm
Workpiece diameter over bed 400 mm
Workpiece diameter over support 220 mm
Diameter in bed recess* up to 630 mm
Diameter between centers 710 / 1000 / 1400 / 2000 mm
Spindle bore diameter 52–62 mm
Spindle taper Morse 6 / Metric 80
Spindle speed (forward) 12.5–2000 rpm (23 steps)
Spindle speed (reverse) 19–2420 rpm (12 steps)
Main drive power 10–11 kW
Maximum workpiece weight between centers 460–1300 kg (depending on DMC)
Maximum workpiece weight in chuck 200–300 kg
Feed rates: longitudinal / transverse 0.05–4.16 / 0.025–2.08 mm/rev
Threads: metric / inch 0.5–192 mm / 24–1.625 threads/inch
Threads: module / pitch 0.5–48 module / 96–1 pitch
Rapid slide traverse 3800 / 1900 mm/min (long./trans.)
Cutter height in holder 25 mm
Accuracy class H (according to GOST 8-82)
Dimensions (L×W×H) at 1000 mm center of mass 2795–2812 × 1166–1190 × 1324–1500 mm
Machine weight (depending on center of mass) 2,140–3,685 kg
Country of origin: Russia (Krasny Proletary MSZ)
Year of production: 1972–1988 (mass production)
The 16K20 screw-cutting lathe is a universal, standard-precision machine for turning operations, including turning cylindrical and conical surfaces, cutting metric, inch, modular, and pitch threads, drilling, and countersinking. It is characterized by high rigidity, reliability, and ease of maintenance. It was manufactured by the Krasny Proletary Moscow Machine Tool Plant from 1972 to 1988.
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