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Hiller Lutz Spindelpresse HP71

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

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Technical data (general Reference):
The Hiller & Lutz HP71 is a classic, robust manual screw press (commonly referred to as a backup or flywheel press), typically used in locksmith shops, workshops, and the metalworking industry for tasks such as straightening, bending, pressing-in, or punching.

Here are the common technical specifications for this model:

Technical Details (approximate values)
As these machines were built over several decades, exact details may vary slightly by year of construction:

Pressing force: approx. 20 to 25 tonnes (The “71” designation often refers to the frame width/size; the force depends on the spindle pitch and flywheel diameter).

Spindle diameter: approx. 70 – 80 mm

Stroke: approx. 200 – 300 mm (depending on spindle length)

Throat (gap): approx. 250 – 300 mm (distance from spindle center to frame)

Table surface: approx. 500 x 400 mm

Clearance height: max. approx. 400 – 500 mm (with spindle fully extended)

Flywheel diameter: approx. 1,000 – 1,200 mm

Features
- Frame construction: Heavy-duty grey cast iron C-frame for high rigidity
- Drive: Manual operation via large flywheel; energy is generated through the inertia of the wheel when turned down
- Table: Usually equipped with a central through-hole and T-slots for tool clamping
- Weight: Net weight typically between 700 kg and 950 kg, ensuring stable positioning (usually requires bolting to the foundation)

Dimensions (Gemini reference):
The dimensions of the Hiller & Lutz HP71 can vary depending on whether only the body or the complete installation footprint including flywheel overhang is considered. Here are the typical dimensions for this model:

Machine basic dimensions (body)
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.

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