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Hiller Lutz Spindelpresse HP71

Spindle Press by Hiller & Lutz
Year of manufacture: 1980
Fully functional
In good used condition

Technical data (reference values):
Due to production over several decades, details may vary slightly depending on year of manufacture.

The Hiller & Lutz HP71 is a classic, heavy-duty hand spindle press (also known as an arbor press), commonly used in metalworking shops, workshops, and the metal fabrication industry for tasks such as straightening, bending, pressing or punching.

Key technical specifications for this model:

Pressing force: approx. 20 to 25 tons (The "71" designation typically refers to the frame size; the pressing force depends on spindle pitch and flywheel diameter).

Spindle diameter: approx. 70 – 80 mm
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Stroke: approx. 200 – 300 mm (depending on spindle length)
Throat depth: approx. 250 – 300 mm (distance spindle center to frame)
Table surface: approx. 500 x 400 mm
Maximum daylight (open height): approx. 400 – 500 mm (with spindle fully raised)
Flywheel diameter: approx. 1,000 – 1,200 mm

Machine features:
- Design: Sturdy grey cast iron C-frame for maximum rigidity.
- Drive: Manual operation via large flywheel; energy is generated by the flywheel's momentum as it is rotated downwards.
- Table: Usually equipped with a central through-hole and T-slots for tool mounting.
- Weight: Net weight typically ranges from 700 kg to 950 kg, ensuring a stable setup (usually requires anchoring to the foundation).

Dimensions (machine body only):
- Height: approx. 1,800 mm to 2,100 mm (depending on spindle position)
- Width (frame): approx. 500 – 600 mm
- Depth (base): approx. 800 – 1,000 mm

Note: Actual installation space may be larger due to flywheel overhang.

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