Mitsui Seiki Vertical Machining Centers | VL Series
VL Series:
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MITSUI SEIKI High Precision Center Model VL30/550, with linear motors and drives, numerically controlled with standard equipment including Automatic Tool Changer and high production capability for drilling, boring, tapping & reaming.
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Integrated circuit logic, closed loop, with complete electrical equipment for operation on 3-phases 50/60Hz, 200/220 Volts AC
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By adopting linear motors for all axes, backlash and lost motion that are inevitable in traditional feeding mechanism are eliminated. High speed and high precision cutting are enabled.
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Rapid feed, cutting feed (X, Y, Z) of 40 m/min and acceleration of 1 G are realized at 0.1m control.
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To realize acceleration of 1 G, movable parts are lighter and immovable parts are heavier to high rigidity.
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High-speed responsiveness of micro feed is excellent and precise processing according to directives from minute hole processing to three-dimensional minute block processing is realized.
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DD (direct drive) motors are adopted to rotary axis (C-axis and tile axis (A-axis) to achieve prodigious rotation rate (VL30-5X)
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CNC Control Fanuc 31i
| Model | VL30 | VL30-5X | VL50 | |
| X | mm (in.) | 200 (7.9) | 400 (15.7) | |
| Y | mm (in.) | 300 (11.8) | ||
| Z | mm (in.) | 200 (7.9) | ||
| A | deg. ° | N/A | --40~+110 (every 0.001°) | N/A |
| C | deg. ° | N/A | 360 (every 0.001°) | N/A |
| Table size | mm(in.) | 300 x 400 (11.8 x 15.7) | ∅ 180 (7.1) | 500 x 400 (19.7 x 15.7) |
| The spindle can be selected from the following 3 types: | ||||
| Model | Type I | Type II | Type III | |
| Taper | HSK-E25 | HSK-E32 | HSK-E40 | |
| Rotation speed | min (-1) | 500~50000 | 300~30000 | 250~25000 |
| Motor power | kW | 5.5/1.5 (30 min./cont) | 4.0/1.5 (30 min./cont) | 3.7/1.5 (30 min./cont) |
| Max. tool length | mm(in.) | 100 (3.9) | 120 (4.7) | 120 (4.7) |
| Max. tool dia. | mm (in.) | ∅ 25 (1) | ∅ 32 (1.3) | ∅ 40 (1.6) |
| Max. tool weight | kg(lbs.) | 0.5 (1.1) | 1.0 (2.2) | 1.0 (2.2) |
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