00195166-0402_SM_D4_EN.pdf - 第65页

Service W ork Replacing the Tensioning Keys [00329478-01 , 00329485-01] Gantry Service Manual SIPLACE D4 65 4-12: Replacing the tensioning keys Legend 1 Tensioning key [00329478-01] 7 Spacer bolt with Benzing U-clip 2 Te…

100%1 / 268
Service Work
Gantry Replacing the Y-Axis Scale
64 Service Manual SIPLACE D4
4.2.4 Replacing the Y-Axis Scale
4.2.5 Replacing the Tensioning Keys [00329478-01, 00329485-01]
4.2.5.1 Tools and Equipment
Set of DIN 911 Allen keys
Belt tension measuring device TSM [00326015-01]
"Measuring belt tensions" operating instructions
4.2.5.2 Parts
Tensioning key [00329478-01]
Tensioning key [00329485-01]
4.2.5.3 Removing the tensioning keys
X Switch the machine off and secure it to prevent unauthorized reactivation as described in section
(4.2.1 Preparations for Service Work
J
62 ) .
X Push the head mount in the direction of the deflection pulley (6).
X To relax the toothed belt (5), proceed as follows:
Loosen the locknut (11),
Turn the hexagon socket-head screw (3) counterclockwise.
Removing the tensioning key, item 1 (synchronizing disk, short)
X Loosen the M4 x 5 hexagon socket-head screw (8).
X Lift out the tensioning key.
Removing the tensioning key, item 2 (synchronizing disk, long)
X Rotate the hexagon socket-head screw (3) out of the spacer bolt (7).
X Lift out the tensioning key.
NOTE:
This service task may only be performed by specially trained 6,3/$&(service technicians
The procedure is described in a separate manual.
Service Work
Replacing the Tensioning Keys [00329478-01, 00329485-01] Gantry
Service Manual SIPLACE D4
65
4-12: Replacing the tensioning keys
Legend
1 Tensioning key [00329478-01] 7 Spacer bolt with Benzing U-clip
2 Tensioning key [00329485-01] 8 M4 x 5 hexagon socket-head screw
3 M4 x 35 hexagon socket-head screw for
tensioning the toothed belt
9 Synchronizing disk, short
4 Head mount 10 Synchronizing disk, long
5 Toothed belt for the X-axis 11 Locknut
6 Deflection pulley
Service Work
Gantry Replacing the Tensioning Keys [00329478-01, 00329485-01]
66 Service Manual SIPLACE D4
4.2.5.4 Installing the tensioning keys
4.2.5.5 Settings
4-13: Replacing the tensioning keys
Installing the tensioning key, item 1
(synchronizing disk, short)
X Place the tensioning key on the "short
synchronizing disk" (9).
X Fasten the tensioning key with the M4 x 5
hexagon socket-head screw (8).
Installing the tensioning key, item 2
(synchronizing disk, long)
X Use the Benzing U clip to fit the spacer bolt (7)
onto the new tensioning key.
X Place the tensioning key on the "long
synchronizing disk" (10).
X Use the size 8 Allen key to turn the
synchronizing disk slightly until the hexagon
socket-head screw (3) can be screwed in.
X Pretension the toothed belt by turning the
hexagon socket-head screw clockwise.
4-14: Replacing the tensioning keys
X Push the head mount towards the X-axis
motor as far as the stop on the elastomeric
spring.
X Turn the hexagon socket-head screw to set
the belt tension to 53 Hz + 1/3 Hz.
CAUTION:
Do not overstretch the toothed belt
when adjusting the belt tension.
X Secure the hexagon socket-head screw (3)
with the locknut (11).