- Check and potentially replace the cooling lubricant adapter (HSK tool mountings)
Carrying out the maintenance activities described below requires
special knowledge. For this reason, these maintenance activities
must only be carried out by staff that has received adequate training
by the machine manufacturer!
Orientation
HSK tool mountings feature a so-called internal cooling lubricant supply. in which the
cooling lubricant is fed through the tool to the tool’s cutting edge. To ensure a tight
connection between the tool spindle and the HSK shank when a tool is changed
(automatically or manually), there is a cooling lubricant adapter inside the HSK
shank. This adapter is spring-mounted using O-rings so it can move to some extent,
which provides for a safe tool change. As this O-ring is subjected to natural wear, it
must be checked and replaced if necessary at regular intervals.
Procedure
1. Check and potentially replace the cooling lubricant adapter (also for tools inside
the tool magazine). Check the correct seating of the cooling lubricant adapter,
and replace the sealing ring at the cooling lubricant adapter.
2. Remove the tool including the HSK tool mounting.
3. Check the centric position of the cooling lubricant pipe. It should be possible to
shift the pipe approximately 1 mm from the center, after which it centers again
automatically (resilient). Otherwise the cooling lubricant pipe has to be
removed and the O-ring has to be replaced. The following steps must be
performed.
4.
Example: Seal at the cooling lubricant adapter
1
Groove nut
2
Cooling lubricant tube
3
O-ring
4
HSK tool mounting
Clean the tool including the HSK tool mounting before the removal.
5. Loosen and remove groove nut (1) inside the HSK tool mounting (4) using the
supplied special tool.
6. Remove cooling lubricant pipe (2) and replace O-ring (3).
Maintenance Summary - 2.000 Operating hours
64
Maintenance Instructions
G300.2 G320.2 G400.2 G420 G500.2 G520
DIE147EN - 17.08.2022
