Chip pre-separators absorb contaminated cooling lubricants supplied by the production. They hold rough chips and/or large amounts of chips and sludge. In this way, they relieve the downstream filter systems. The separated chips are conveyed by a chain conveyor to the chip drop and are then exported. The pre-cleaned cooling lubricant is supplied for the further filtering.
The functional principles are variable. Chip sedimentation can be complemented functionally by an additional separation over the surface of the slotted sieve hidden behind. Separation of chips as a form separation over the surface of the slotted sieve positioned below - without sedimentation - is also possible. It offers technical benefits especially for separation of light or (possibly) floating chips. The pre-cleaned cooling lubricant continues to run automatically further to the downstream filter systems. It can be exhausted by means of pumps and fed to the filter systems.