80S-20贴片机 - 第120页
5 Gantries SIPLACE 80S-20/F4/F4-6/F5 Service Manual 5.3 Replacing the Endless Toothed Belt of the X Axis Edition 09/99 5 - 12 5.3 Replacing the Endless T oothed Belt of the X Axis 5.3.1 Spare Parts, Auxil iary Materials …

SIPLACE 80S-20/F4/F4-6/F5 Service Manual 5 Gantries
Edition 09/99 5.2 Replacing the Drive Motor of the X Axis
5 - 11
● Fit the ribbon cable holder and plug the two ribbon cables into the conversion board.
● Now carry out a complete adjustment of the x axis (see adjustment instructions) .
Toothed belt Endless toothed belt 12ATS5/280-E6/8
Adjustment with belt tension meas. device
Tensioning force: 75 N
Frequency prior to cont. operation:
275 Hz ± 20 Hz
Frequency after cont. operation:
275 Hz ± 20 Hz
Table 5.2 - 1 Required setting for the x-axis endless toothed belt

5 Gantries SIPLACE 80S-20/F4/F4-6/F5 Service Manual
5.3 Replacing the Endless Toothed Belt of the X Axis Edition 09/99
5 - 12
5.3 Replacing the Endless Toothed Belt of the X Axis
5.3.1 Spare Parts, Auxiliary Materials and Equipment
– 1 Synchroflex 12 ATS5/280 - E6/8 toothed belt, from item no. 00318549-01
– Belt tension measuring device, from item no. 00326015-01
5.3.2 Removal
NOTE
You should comply with the safety instructions given in Section 1.
● Undo the four hexagon socket screws on the tension rollers of the drive motor and remove the
X-drive motor. (See Section 5.2
).
● Remove the placement head (see Section 9).
● Loosen the endless toothed belt of the X axis at the tension rollers (see Fig. 5.2.1 on page 5 - 9).
● Undo the fastening screw (M4 hexagon socket screw) of the reduction gear by gripping the opposite end
with a standard screw driver (see Fig. 5.3.1
).
● Remove the reduction gear together with the shaft by carefully pressing the shaft out from behind and lift-
ing the reduction gear up and away.
● Watch out for the reduction gear shim washer.
NOTE
Each reduction gear is adjusted separately with its own shim washer. This shim washer must be reused with
its own reduction gear if the belt is to run precisely.
● Now remove the defective endless toothed belt.

SIPLACE 80S-20/F4/F4-6/F5 Service Manual 5 Gantries
Edition 09/99 5.3 Replacing the Endless Toothed Belt of the X Axis
5 - 13
Fig. 5.3.1 X-axis drive
Key to Fig. 5.3.1.
1 4 hexagon socket screws for mounting the motor 2 Endless toothed belt
3 X-axis drive motor 4 Reduction gear shaft
5 Reduction gear 6 Cut toothed belt
7 Shim washer 8 M4 hexagon socket screw for mounting the
reduction gear shaft