In search for the lubricating materials to maintain the units of the lifting equipment with vertical moving to transport people with limited mobility, one of the largest manufacturers of the lift-and-carry machinery for the disabled addressed to the Modengy company.

The relevant task is to replace the low-viscosity lubricating materials that are being used now because of their high flow-ability, tendency to be squeezed out under conditions of heavy loads (about 3 tons).

In order to provide smooth going, and to reduce wear of the screw gear elements (screw-bronze nut) under conditions of higher loads, MODENGY 4002 antiscoring solid-film paste based on molybdenum disulfide was selected.

To evaluate properties of this paste, the equipment manufacturer has carried out the bench tests. The lubricating module through which applying the agent onto the screw is done was filled with this paste.



The important advantages of this paste versus the other lubricating materials used before are its antiscuffing properties, low friction coefficient, long service lifetime, is easy to apply. The paste is not displaced out of the application point, and doesn’t stain the lifting equipment drive parts.

The tests showed that this paste provides standard operating of the screw lifting devices, eliminates noise and stick-slip motion.

Implementing this product into production process and maintaining vertical lifters for the disabled persons extends service lifetime, and improve quality of movable mechanisms operating.

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