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Double-column, 5-face milling machine MVR・Eχ series

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Targeting Highest Machining Accuracy and Productivity
New generation Ex series now available in Best-selling MVR family

Double-column, 5-face milling machine MVR・Ex series

Double-column, 5-face milling machine MVR・Ex series

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Feature

Highest Machining Accuracy in its Class

Amount of thermal expansion of spindle restricted to 12 μm or less (without compensation)

The MVR・Ex series now has an internal cooling facility as standard in its spindle. In addition to the conventional external cylinder cooling, cooling the spindle from inside helps reduce extension of spindle at high rotation speeds.

Spindle structure diagram

Spindle structure diagram

X⊥Z variation of 6 μm/500 mm (temperature change of 7°C)

The MVR・Ex series uses a robust design for its machine structures to prevent thermal deformation.
In addition to the conventional thermal symmetric design and heat insulating plate, Thermo Stabilizer Column is equipped as standard.
This ensures high squareness and hole pitch accuracy minimize by environmental changes.

Thermal

Thermal displacement of spindle (actual performance)

※Robust design: A structural design having strong resistance to external changes.
※Thermo Stabilizer Column: A column that utilizes the technologies used in high-precision machines to suppress thermal effects.

Enhanced Rigidity for Improved Cutting Performance

Enhanced rigidity during ram extension

Saddle and cross rail are larger in size for rigidity.

Saddle

Saddle

Cross

Cross rail

Example of cutting performance during ram extension

Vertical

Vertical setup

<Cutting conditions>
Z-axis
-800mm
Tool diameter
Φ160mm
Infeed
5mm
Feed rate
1100mm/min
Cutting width
130mm
Cutting speed
211m/min
Cutting volume
715cc/min

Vertical

Horizontal

Horizontal setup

<Cutting conditions>
Z-axis
-600mm
Tool diameter
Φ160mm
Infeed
5mm
Feed rate
1100mm/min
Cutting width
130mm
Cutting speed
211m/min
Cutting volume
715cc/min

Horizontal

The data provided in this catalog is from actual measurements and may vary depending on the machine specifications, tool conditions during machining, or other aspects.

High speed

High speed & High rigid spindle structure

Spindle speed with 110mm diameter is increased to 8000min-1.
The MVR・Ex series can process both heavy-duty cutting with a large-diameter milling cutter and higt-speed, high-accuracy finishing of die & molds.


High-speed features realizing high efficiency and speeding up tool exchange time and indexing time

Simultaneous motion and improved macro program shortenins cycle time

  • Aout Tool Change(ATC): 5 seconds
  • Aout Attachment Change(AAT): 30 seconds
  • Right angle head indexing: 10 seconds
Spindle

Improved Usability

Easy operation

Large display Operation Panel with lightweight structure

Operation

Operation panel with large 15" color display

User friendly operator panel
  • Newly designed screens on large 15" Color display
    (proprietary design)
  • Full keyboard
  • Operationl by touch screen

Multi-screen

Multi-screen display

Customize Possible by customer
  • Customer selected information can be shown.
  • Pop up display table likeM-codes, coodinate values, tools, variables when necessary.

Alarm

Alarm message display

Displays a alarm position with 3D.
  • Displays detail recovery procedure on the screen.

Global Environmental Consciousness

Equipment renewal for energy efficiency

Total CO2 reduction: approx. 5 tons per year (estimate by MHI)

Idling stop for hydraulic unit
▲approx. 1.0 tons / year
Idling stop for spindle oil cooler
▲approx. 2.4 tons / year
Regeneration of power, use of LED lighting, etc.
▲approx. 1.6 tons / year

Machine specification

Machine specification
Item/Model MVR25Ex MVR30Ex MVR35Ex MVR40Ex MVR45Ex
Table Working area Width mm 1,500 2,000 2,500 3,000 3,500
Length mm 3,000
(opt. 4,000, 5,000, 6,000, 8,000)
3,000
(opt. 4,000, 5,000, 6,000, 8,000, 10,000)
4,000
(opt. 4,000, 5,000, 6,000, 8,000, 10,000)
6,000
-
Loading capacity ton/m 12/3.0
(opt. 15/4.0, 18/5.0, 20/6.0, 20/8.0)
20/3.0
(opt. 25/4.0, 30/5.0-10.0)
25/4.0
(opt. 30/5.0-10.0)
35/6.0
(opt. 30/8.0, 25/10.0)
Throat clearance between columns mm 2,050 2,550 3,250 3,750 4,250
Distance from spindle end to table sturface mm 1,650
(opt. 1,960)
1,850
(opt. 2,150, 2,450)
Ram Ram size mm ?350
Ram Spindle Speed min-1 20-8,000
Ram Spindle motor output kW 22/30(continuous/30minutesrating)
Tool storage capacity(ATC)
50(opt. 60, 80, 100, 120)
Machine Weight ton/mm 33.5/3,000 33.5/3,000 51.6/4,000 59.6/4,000 98.2/6,000

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Business contact: Strategic Sales Operation Department
Phone: +81-77-501-3822

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