SIPLACE D4-D4i 工程师手册_EN.pdf - 第71页
Service Work 4.2.8 Replacing the X Motor Unit 00333167-xx Gantry Service Manual SIPLACE D4/D4i 71 Removing the X-axis motor unit Replacing the X-axis motor un it Legend ► Switch off the machine and secure it to prevent u…

Service Work
Gantry 4.2.8 Replacing the X Motor Unit 00333167-xx
70 Service Manual SIPLACE D4/D4i
4.2.7.5
4.2.7.5 Settings
Settings
See also
4.2.7.4 Installing the X-axis toothed belt [ ➙ 69]
4.2.8
4.2.8 Replacing the X Motor Unit 00333167-xx
Replacing the X Motor Unit 00333167-xx
Tools and Equipment
▪ Set of DIN 911 Allen keys
▪ Cable ties
▪ Belt tension measuring device TSM [00326015-xx]
▪ "Measuring belt tensions" operating instructions
Parts
▪ X motor unit [00333167-xx]
Fixing the X-axis toothed belt to the tension jack
► Push the head mount (1) towards the X axis motor
unit, as far as the stop on the elastomeric spring.
► Turn the hexagon socket-head screw (5) to set the
belt tension to 53 Hz 1/3 Hz.
CAUTION! Do not overstretch the toothed belt
when adjusting the belt tension.
► Secure the hexagon socket-head screw (5) with the
locknut.

Service Work
4.2.8 Replacing the X Motor Unit 00333167-xx Gantry
Service Manual SIPLACE D4/D4i 71
Removing the X-axis motor unit
Replacing the X-axis motor unit
Legend
► Switch off the machine and secure it to prevent unauthorized reactivation.
Gantry 1 or 3
► Remove the black cover strip on the cross-beam above the gantry concerned:
⇨ Unplug the fan cable. The fan is fixed to the black cover strip.
⇨ Remove the black cover strip (3 M6x8 hexagon socket-head screws).
► Cut the cable ties holding the X-axis motor cable.
1 Head mount 7 2 x M6x14 hexagon socket-head screws
2 M4 x35 hexagon socket-head screw for
tensioning the X toothed belt
8Locknut
3 Synchroflex X-axis toothed belt 9 Board holder
4 X-axis motor unit 10 Cable clamps
5 X/Y distributor 11 Cable clamp
6 X5 socket for X-axis motor
DANGER
POWERFUL MAGNETIC FIELD
► Always follow the special safety instructions when working in the vicinity of powerful mag-
netic fields.
Service Work
Gantry 4.2.8 Replacing the X Motor Unit 00333167-xx
72 Service Manual SIPLACE D4/D4i
► Remove the cable clamp for the flat ribbon cable (11).
► Disconnect all the plugs from the X/Y distributor (5).
► Remove the X/Y distributor (5).
► Remove the board holder for the X/Y distributor (9).
► Remove the cable holders (10) on the trailing cable.
► To relax the toothed belt (3), proceed as follows:
⇨ Loosen the locknut (8),
⇨ Turn the hexagon socket-head screw (2) counterclockwise.
► Loosen the two M6 x14 hexagon socket-head screws (7) fixing the X motor unit (4).
► Pull the X motor unit (4) up and out,
► at the same time pushing the board holder slightly to the side.
Gantry 2 or 4
► Remove the black cover strip on the cross-beam above the gantry concerned:
⇨ Unplug the fan cable. The fan is fixed to the black cover strip.
⇨ Remove the black cover strip (3 M6x8 hexagon socket-head screws).
► Cut the cable ties holding the X-axis motor cable.
► Remove the cable clamp for the flat ribbon cable (11).
► Disconnect all the X motor plugs from the X/Y distributor (5).
► Remove the board holder for the X/Y distributor (9).
► Remove the cable holders (10) on the trailing cable.
► To relax the toothed belt (9), proceed as follows:
⇨ Loosen the locknut
(8),
⇨ Turn the hexagon socket-head screw (2) counterclockwise.
► Loosen the two M6 x14 hexagon socket-head screws (7) fixing the X motor unit (4).
► Pull the X motor unit (4) up and out,
at the same time pushing the board holder slightly to the side.