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250ITVM.F2 with SCS

250ITVM.F2 high-precision general thread-cutting lathes with manual data input (MDI)
Brand
Kalashnikov
Kalashnikov

250ITVM.F2 with SCS

250ITVM.F2 high-precision general thread-cutting lathes with manual data input (MDI)
Brand
Kalashnikov
Kalashnikov

Description

250ITVMF2 and 250ITVIM.03.F2 screw-cutting lathes with manual data input are designed for high-precision turning operations (precision class B) in single-piece and small-lot production. Function-wise, these lathes are between universal lathes (including those equipped with a DRU) and full CNC machines.

MDI advantages

  • The machinist is not required to be as skilled as one operating a universal machine, or as knowledgeable as a CNC machine operator. The dialog mode using a touchscreen allows an operator with minimal knowledge, able to master the interface of a cell phone, to work with the machine. This greatly alleviates the problem of finding and paying for skilled labor;
  • As compared to universal machines, MDI machines allow increasing labor productivity by an average of 2 times thanks to the processing of parts in semi-automatic or automatic mode;
  • Processing parts with complex geometry, including cones, spheres and various threads, does not require complex fixtures and machine readjustment, which saves time and material expense;
  • Use of servo-drive feeding, ball screw drives and electronic controllers significantly improves the accuracy and reliability of an MDI machine and reduces operating costs compared to universal machines.

Kalashnikov Concern JSC is the only official manufacturer of the new 250ITVM-series universal screw-cutting lathes and has been issued a certificate of confirmation of industrial production in the Russian Federation (PP No. 719).

Product modifications

  • 250ITVM.F2 is the base lathe model with manual data input (MDI).
  • 250ITVM.03.F2 features an extended distance between centers.

Product features

  • Precision class: B (in accordance with GOST 8-82)
  • Cast iron bed guarantees good vibration damping and high rigidity
  • Equipped with a manual data input (MDI) unit
  • Extended warranty: 24 months

Characteristics

B
Precision class in accordance with GOST 8-82
1-5K
Flange spindle end in accordance with GOST 12595-85
Morse 4
Spindle inner taper size in accordance with GOST 25557‑82
250ITVM.F2
Maximum installed workpiece diameter, mm
above the bed
320
above the saddle
125
Maximum machined workpiece diameter, mm
above the bed
250
above the saddle
125
Minimum machined part external diameter between centers, mm
12
Distance between centers
450
Maximum machined part length
between centers, mm*
400
in the chuck, mm
125
Maximum bit cross-section, mm
in a quick-change toolholder
20*20
In a 4-position toolholder (made on order)
16*16
Tailstock sleeve inner taper size in accordance with GOST 25557-82
Morse 3
Maximum tailstock sleeve travel, mm
90
Frequency-controlled spindle speed limits, rpm
50-360
Number of controlled machine axes (including simultaneously)
2
Maximum saddle longitudinal travel, mm
460
Maximum saddle lateral travel
150
Maximum external screw pitch (metric, modular, inch, worm)
0.2-40
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 task positioning resolution, µm
longitudinally
1
laterally (per radius)
1
Positioning accuracy, µm
permissible mean deviation from the set travel, longitudinally
20
laterally
16
Maximum dimensions, mm: length/width/height
1,850/850/1,560
Overall footprint, sq.m.
1.57
Maximum weight, kg
1,200
250ITVM.03.F2
Maximum installed workpiece diameter, mm
above the bed
320
above the saddle
125
Maximum machined workpiece diameter, mm
above the bed
250
above the saddle
125
Minimum machined part external diameter between centers, mm
12
Distance between centers
650
Maximum machined part length
between centers, mm*
600
in the chuck, mm
125
Maximum bit cross-section, mm
in a quick-change toolholder
20*20
In a 4-position toolholder (made on order)
16*16
Tailstock sleeve inner taper size in accordance with GOST 25557-82
Morse 3
Maximum tailstock sleeve travel, mm
90
Frequency-controlled spindle speed limits, rpm
50-360
Number of controlled machine axes (including simultaneously)
3
Maximum saddle longitudinal travel, mm
620
Maximum saddle lateral travel
150
Maximum external screw pitch (metric, modular, inch, worm)
0.2-40
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 task positioning resolution, µm
longitudinally
1
laterally (per radius)
1
Positioning accuracy, µm
permissible mean deviation from the set travel, longitudinally
20
laterally
16
Maximum dimensions, mm: length/width/height
2,065/850/1,560
Overall footprint, sq.m.
1.76
Maximum weight, kg
1,060

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