NEFF M/J-VK
Screw jack

• Lifting screw jack, axial screw
• Anti rotation by sliding block in tube
• Lifting capacities of 5 to 200 kN

NEFF screw jack (type M/J-VK) with axial lifting screw or rotating screw for lifting capacities from 2,5 up to 500 kN. The NEFF M/J-VK screw jack is used wherever loads have to be positioned under moderate duty cycles and little dynamic. The cubical design and the all-round handling facilitate an easy alignment of the drives during installation. 

Construction forms NEFF screw jack M/J-VK

• Type N : Non-rotating moving screw
• Anti twist device assembled in the square type protection tube

Features NEFF screw jack M/J-VK

• 4 sizes with lifting capacities of 5 to 200 kN
• Drive-motor speed of up to 1.500 rpm
• Self-locking trapezoidal screw
• Grease-lubricated model
• Worm gear pairs in two ratio steps (normal “H” and slow “L”)
• Worm-drive shaft case-hardened and ground

Application examples M/J-VK

• Lifting systems
• Height and inclination adjustment indoor running track
• Theatre stages
• Test rig

NEFF screw jacks (type M/J-VK) are also available with accessories such as couplings, connecting shafts and drives for your complete lifting system.

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mobile lifting table with NEFF spindle screw jack

This mobile lifting table is equipped with a screw jack element with a NEFF trapezoidal spindle Tr 40x7. The table is height-adjusted by means of a handwheel. This mobile lifting table serves as an aid to easily move workpieces. Due to the height adjustment and platform with ball transfer units, workpieces are easy to move.

Height adjustment welding manipulator with NEFF spindle

Electrical height adjustment for a manipulator used to weld seamless pipes. Depending on the tube diameter, the height of the tubes is electrically adjusted. The NEFF lifting element is provided with a rotation lock by means of a screw square protective tube with sliding block. The lifting elements can be adjusted in height both synchronously and separately.