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NEFF MH/JH-series
Screw jack
- Lifting screw jack, axial or rotating screw
- Up to 250kN. Ingoing rpm up to 3000 min-1
- Trapezoidal spindle or ballscrew
NEFF spindle lifting element (MH/JH-series) with standing rotating spindle or non-rotating moving spindle for loads up to 250 kN. The NEFF spindle lifting elements (MH/JH-series) are provided with precisely machined worm wheels, which have separate lubrication with respect to the spindle. As a result, higher input speeds are permissible. The cubic design and machined housing on all sides simplifies actuator alignment during installation.
Construction forms NEFF screw jack MH/JH-series
- Type N : Non-rotating moving screw
- Type R : Standing rotating screw
- Trapezoidal spindle or ballscrew
Features NEFF screw jack MH/JH-series
- 6 sizes with lifting capacities of 5 to 250 kN
- Drive-motor speed of up to 3.000 rpm
- Self-locking rolled trapezoidal screw
- Grease-lubricated version
- All-round handling allows for an easy alignment
- Worm gear pairs in two ratio steps (normal “H” and slow “L”)
- Identically constructed to European manufacturers of worm gear screw jacks with cubical design
Application examples NEFF MH/JH-series
- Lifting systems
- Theatre stages
- Safe opening and closing of the service hatch of wind turbines
NEFF screw jacks (MH/JH series) are also available with accessories such as couplings, connecting shafts and drives for your complete lifting system.
