PRELUB is an electronically controlled lubrication unit that takes up very little space. Adapted to the oil-air lubricated GMN spindles, this unit guarantees a long service life. The precise and secure controllable lubricant dosing ensures effective bearing lubrication throughout the start and shut-down phases. With a maximum of 4 connections, the lubrication unit offers the ability to run two spindles. It has the ability to connect to personal or commercial computers and provides an operation overview with a multi-language menu structure.