CM602all_EJM8AESM_Service Manual.pdf - 第426页
Machinery Part Replacement Remarks L ight Transfer-Head Assembly (8-nozzle type ) Item Install the head unit. Refer to "Head Assembly Replacement." Section 5-3-1 Switch on the main power and air supply. From 0.…

Machinery Part Replacement
Remarks
L
ight Transfer-Head Assembly (8-nozzle type
)
Item
Install the theta motor.
Allen key 3 mm
Screw M4 2 pcs.
Adjust the belt tension.
1-000314
Belt tension
Specification1.5kg/cm
Allen key 3 mm
Screw M4 2 pcs.
Place the plate jig on the bottom of the
theta unit. Check that the nozzle holders are
positioned precisely in the theta direction.
Adjust the angle of each nozzle to 0°.
The set-screws of Nozzle Holders 1 to 4
should be positioned opposite those of
Nozzle Holders 5 to 8.
Nozzle theta angle
position:
Specification: +/- 0.5°
Jig: Nozzle theta adjusting
jig
Fix lightly; after installing
the head, adjust.
See Section 4-1-8.
Allen key 1.5 mm
Set-screw 2mm 8 pcs.
Put the theta unit back on.
Refer to "Theta Unit Removal." Section 5-3-13
11
9
10
12
Motor gear
Motor gear
Set-screws
should
face
td
Adjusting jig
Seen from bottom of the head
Lower belt
Tension pulley
FWD
Upper belt
Tension pulley
FWD
Dowel pin
EJM8A-E-SMA050305-A01-00
Page5-3-5-4

Machinery Part Replacement
Remarks
L
ight Transfer-Head Assembly (8-nozzle type
)
Item
Install the head unit.
Refer to "Head Assembly Replacement." Section 5-3-1
Switch on the main power and air supply.
From 0.49MPa
to 0.54MPa
Ad
j
ustment:
Nozzle Holder Angle Adjustment
Teaching:
Board Recognition Camera --- X
and Y-axis Origin Offset
Z-axis Origin Offset
Chip Recognition Camera and
Theta-axis Origin Offset
Determining the Mounting Height
and Positioning the Board
Mounting Position
Pickup Position
Nozzle Exchan
g
e Position
Section 4-1-8
Section 4-2-2
Section 4-2-3
Section 4-2-4
Section 4-2-5
Section 4-2-7
Section 4-2-8
Section 4-2-9
13
14
15
1
2
EJM8A-E-SMA050305-A01-00
Page5-3-5-5

Machinery Part Replacement
This section describes the procedures for replacing the Z-axis motor.
・Tools
Allen key 2 mm
Allen key 2.5 mm
Nipper
Magic marker
MP Grease 2S
・Jig
None
L
ight Transfer-Head Assembly (8-nozzle type
)
5-3-6 Z-axis Motor Replacement
Caution
Dange
r
Warning
Assembly
A
d
j
ustment
55min.
Teaching
min.
Total Time Weight of
Part
Removal
Disassembl
y
55min.
110min.
kgs
EJM8A-E-SMA050306-A01-00
Page 5-3-6-1