New AVANTECHNO 411 boring mill
≈ $18,530
SLIVEN
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Seller's contacts
+359 5...
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+359 590733
+359 89 875...
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+359 89 875 0103
Bulgaria 
The equipment is mounted directly onto the work piece, allowing on-site repair without dismantling or transporting large assemblies. The coaxial alignment system ensures high concentricity when restoring spaced bores.
Technical Specifications
- Boring diameter range: Ø 22 – 400 mm (up to 1,000 mm with additional kits)
- Internal welding range: Ø 25 – 400 mm
- External surfacing range: Ø 20 – 250 mm
- Accuracy: up to 0.01 mm (H7 tolerance field)
- Feed rate: 0 – 0.5 mm/rev
- Max boring bar speed: up to 450 rpm
- Continuous feed travel: 250 mm (extendable via bar length)
- Drive type: DC motor with permanent magnets
- Power supply: 220 V / 50 Hz
- Maximum absorbed power: 3 kW
- Operating temperature range: −30°C to +40°C
- Electromechanical unit weight: approx. 42 kg
Functional Capabilities
- Single-pass coaxial restoring of multiple aligned bores
- Internal bore welding with spiral continuous surfacing technology
- Facing of bosses and mounting surfaces
- Restoration of bearing seats and snap-ring grooves
- Restoration of blind bores
- Quick replacement of boring bar with welding shaft without realignment
Applications
Suitable for maintenance and repair of:
- Excavators, loaders and construction equipment
- Mining machinery and processing equipment
- Agricultural machinery
- Cranes and lifting equipment
- Industrial and heavy mechanical assemblies
Advantages
- On-site repair without dismantling
- Significant reduction in downtime and transport costs
- Compact and portable construction
- EU manufacturing with 24-month warranty
- Engineered for heavy-duty industrial environments