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Heidenreich & Harbeck Hamburg 840

Heidenreich & Harbeck Hamburg 840
Condition: Used
Year of manufacture: 1970, geometrically overhauled in 2023

Technical specifications:
- Swing diameter over bed: 840 mm
- Swing diameter over cross slide: 520 mm
- Distance between centers: 1500 mm
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- Center height: 420 mm
- Motor power: 11 kW
- Bed width: 600 mm
- Spindle bore: 127 mm
- Longitudinal feed: 0.08 - 2.8 mm/rev
- Cross feed: 0.04 - 1.4 mm/rev
- Quill travel: 300 mm
- Spindle speed: 7.1 – 1400 rpm
- Weight, approx.: 6500 kg
- Dimensions, approx.: 4000 x 2200 x 1800 mm

Equipment:
- Forkardt 3-jaw chuck, D = 400 mm
- 3-axis digital readout
- Four-way toolpost

Scope of partial refurbishment:
- Machine partially disassembled and repainted
- Guideways ground on both sides (Z / Z_0 / X axes)
- Tailstock quill hard-chromed and ground (internal/external)
- New stainless steel rear panel

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