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BOMAR EXTEND 800. 620

BOMAR Extend 800.620 is a robust dual-column horizontal band saw designed for precise cutting of large solid and profile materials. The machine features a construction with a polymer concrete filling system, linear guides, and hydraulic control, ensuring stability, minimal vibration, and high cutting accuracy. This saw is suitable for both series and single-piece production in steelworking operations.

1️⃣ CUTTING CAPACITY
At 90°

• Round material: Ø 620 mm
• Square material: 620 × 620 mm
• Rectangular material: 800 × 620 mm

2️⃣ SAW BLADE

• Blade length: 7,300 mm
• Blade width: 41 mm
• Blade thickness: 1.3 mm
• Blade guiding: three-way carbide guides
• Chip brush: synchronized, motor-driven

3️⃣ CUTTING SPEED

• 15 – 90 m/min
• Infinitely variable adjustment via frequency inverter

4️⃣ HYDRAULICS

• Hydraulic full-stroke vice
• Hydraulic arm lift and descent
• Automatic work cycle (for semi-automatic or fully automatic versions)

5️⃣ POWER & DRIVE

• Main motor power: 4 kW
• Power supply: 3 × 400 V, 50 Hz
• Hydraulic unit motor power: approx. 0.75–1.5 kW (depending on configuration)
• Chip brush motor power: approx. 0.12–0.18 kW

6️⃣ MACHINE DIMENSIONS

• Total length: 3,500 mm
• Total width: 3,000 mm (approximate, depending on configuration)
• Height: 2,500 mm
• Material support height: 780 mm

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7️⃣ FEEDING
Axis X – material feed (in automatic version)

• 1,500 mm or 2,500 mm per feeding step
Axis Y – not defined as an axis, as this is not a CNC machine (no lateral feed – material is only guided into the cut)

8️⃣ OTHER TECHNICAL DATA

• Remnant piece after cutting: approx. 30 mm
• Construction: dual-column, polymer concrete fill
• Control: semi-automatic / fully automatic depending on the version
• Applications: structural steels, tool steels, high-strength steels, large cross-sections

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