16
Service manual
The Z carriage (4) supports the thermostated needle and can be displaced over the Y carriage (3), which, in turn, can
be displaced over the X carriage (2), which, in turn, can be displaced over the X guide (1). In this way, the needle can
be displaced in the three Cartesian directions of X, Y and Z. The cable carrier chain (5) houses the Teflon dispensing
tube (6) and all the electrical hoses (7) of the arm. The support cover (8) guides the cable carrier chain of the Y
carriage along the X carriage.
2.2.1.1. X guide
(1) X GUIDE PROFILE
(2) X TRACK RAILS
(3) X START PHOTODETECTOR
(4) RETURN PULLEY
(5) BEARING
(6) OPERATING PULLEY
(7) X MOTOR
This consists of an aluminium profile (1) which holds the steel rails (2) on which the X carriage runs. The photodetector
(3) indicates the position of the start of the movement of the X carriage. The motor (7) operates the belt of the X
carriage by means of the pulley (6). The pulley (4), fitted on the bearing (5), returns the belt operated by the motor.
34521 7 6
3
2
5
1
7
6
4
8
X
Z
Y
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