Maintenance
OPTIMUM
M A S C H I N E N - G E R M A N Y
©
2010
US
Page 36
Mill Drill
BF 30 Vario
Version 1.0.6
Stand 27 / 08 / 2010
as required
S
p
indl
e nut
s
cross t
a
ble
Readjust
An increased clearance in the spindles of the cross table can
be reduced by readjusting the spindle nuts.
Fig.5-6: Spindle nut X - axis (milling table faded out)
The spindle nuts are readjusted by reducing the flank of screw
thread of the spindle nut with an adjusting screw. After
readjusting a smooth running move over the entire tool path is
assured, the wear by friction between spindle nut / spindle is
reduced considerably.
The readjustment screw of the Y axis can be accessed from
the backside, the readjustment screw of the spindle nut of the
X axis can be accessed from the right or left side of the milling
table.
as required
S
p
indl
e nut Z- axis
Readjust
An enlarged clearance in the spindle of the Z-axis can be per-
formed by reciprocal turning of the spindle nut.
Fig.5-7: Spindle nuts Z-axis
By readjusting a smooth running move over the entire tool
path, the wear by friction between spindle nut / spindle is redu-
ced considerably.
Turn the crank of the mill drill head as low as possible.
Firmly clamp the clamping lever left and right.
Remove the maintenance lid on the column.
Interval
Where?
What?
How?
Spindle nut adjusting screw
Spindle nut firm at the top
Spindle nut turnable at the bottom
