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IT 42S lathes

IT 42S CNC horizontal-bed lathes
Brand
Kalashnikov
Kalashnikov

IT 42S lathes

IT 42S CNC horizontal-bed lathes
Brand
Kalashnikov
Kalashnikov

Description

IT 42S horizontal-bed lathes are designed for fine turning of axially symmetrical parts and threading in a closed semi-automatic cycle, mainly from piece blanks (bar stock also possible) in small-scale and batch production. Stable spindle speed is maintained. Electronic handwheels can be used for set-up operation.

Product features

  • Precision class P (GOST 8-82).
  • The main motion drive is powered by an asynchronous motor with a frequency converter, connected to the machine spindle through a belt.
  • The bed and pedestal are a one-piece cast construction made of high-quality chromium-nickel cast iron. It features a high level of vibration damping and rigidity, providing stability and reducing elastic strain. The bed features two prismatic and two flat guides, hardened by high-frequency currents and finely ground.
  • The headstock mounted on the bed features a sturdy body made of high quality cast iron and is based on a pin located in the front of the headstock body, which allows to align the spindle axis with the bed guides by turning the body.
  • The carry-in drives are equipped with servomotors, each servomotor directly connected to the ball screw drive through a coupling.

Characteristics

P
Precision class in accordance with GOST 8-82
2-4K
Flanged spindle end in accordance with GOST 12595 85
Morse 5
Spindle inner cone size in accordance with GOST 25557-82
Maximum installed workpiece diameter, mm
above the bed
320
above the carriage
125
Maximum diameter of machined workpiece, mm
above the carriage
230
above the carriage
125
Minimum external diameter of workpiece machined between the centers, mm
12
Length between the centers, mm
450
Maximum length of machined workpiece, mm
between the centers
400
in a chuck
125
Spindle through hole diameter, mm
28
Maximum cross-section of bits installed in tool head holder, mm
20*20/16*16
Tool head positions
8
Maximum time for automatical tool head position change (by one), s
3
Tailstock spindle sleeve inner cone size in accordance with GOST 25557-82
Morse 3
Tailstock spindle sleeve center in accordance with GOST 13214-79
Morse 3
Maximum tailstock spindle sleeve travel, mm
90
Spindle rotation frequency limits, RPM
20-3,000
When equipped with a pneumatic cylinder and a chuck that allows higher rotation frequency, RPM
20-4,500
Sleeve travel increment, mm
rule
1
dial
0.05
Positioning accuracy, µm
permissible root mean square deviation from set travel, longitudinal
20
lateral
16
External cylingrical threading pitch limit, mm
0.2-40
Number of controlled machine axes
2
Maximum longitudinal saddle travel, mm
460
Maximum lateral saddle travel, mm
173
Saddle working carry-in limits, mm/min: longitudinally/laterally
3-2,000/1.5-1,000
Saddle fast carry-in limits, mm/min: longitudinally/laterally
8/4
Travel setting positional resolution, µm
longitudinally
2
laterally (per radius)
1
CNC unit type
SINUMERIK 808D (or any other by customer request)
Electric main motion power, kW
11
Maximum dimensions, l/w/h, mm
2,055/1,120/1,700
Weight, kg
1,600

Documentation